Senior Backend Engineer
Build and scale the Rails and Go services behind source control, CI/CD and security scanning, collaborating asynchronously across time zones.
307 roles across 58 companies — filter by region or category.
307 of 307 positions shown
Build and scale the Rails and Go services behind source control, CI/CD and security scanning, collaborating asynchronously across time zones.
Keep a large multi-tenant DevSecOps platform reliable, working across Kubernetes, observability tooling and incident response.
Own documentation for major product areas in a company where the handbook is the single source of truth and writing carries most decisions.
Support customers over live chat, tickets and forums across WordPress, themes, plugins, domains and billing.
Work on WordPress core, WooCommerce or Jetpack in PHP and JavaScript, contributing back to open source as part of the job.
Design end-to-end product flows for publishing and commerce tools used by a very large share of the web.
Help customers debug automated workflows spanning thousands of connected apps, mostly over email and chat.
Own onboarding and lifecycle campaigns for a self-serve product with a very large organic search footprint.
Own flows end to end across web, desktop and mobile, writing detailed written proposals instead of relying on meetings.
Build and maintain the Todoist and Twist Android apps in Kotlin with a small, highly autonomous team.
Work across the Ubuntu distribution, cloud and IoT tooling, largely in Python, Go and C, with teams meeting in person a few times a year.
Deploy and troubleshoot Ubuntu, OpenStack and Kubernetes environments alongside enterprise customers.
Lead a distributed engineering team shipping open-source infrastructure, balancing delivery with hiring and mentoring.
Keep large-scale, multi-tenant observability infrastructure healthy across Kubernetes, Go and the company's own open-source stack.
Partner with prospective customers to design observability architectures and prove out Grafana Cloud in technical evaluations.
Work alongside customers to design search, observability and security deployments on the Elastic Stack.
Diagnose complex cluster, query and performance issues for enterprise Elasticsearch deployments.
Get matched with client projects and work flexible hours remotely as part of a global freelance engineering network.
Run screening and matching for a large remote talent network, coordinating between clients and specialists.
Sell a global hiring platform to companies expanding across borders, owning a full sales cycle remotely.
Run multi-country payroll cycles, resolve discrepancies and keep filings accurate across many jurisdictions.
Monitor employment and contractor regulations across markets and translate them into product and operational requirements.
Own an area of the digital experience analytics product, working with distributed engineering and design teams.
Turn large volumes of behavioural web data into insight for product and go-to-market decisions.
Build the privacy-respecting telemetry and analytics pipelines that inform Firefox and Mozilla product decisions.
Coordinate privacy reviews across product teams and help shape policy positions for an organisation built on open web principles.
Build the APIs and systems that move money for millions of businesses, with a strong emphasis on correctness and reliability.
Investigate fraud and credit risk signals across a global payments network and refine the models behind them.
Own relationships with growing merchants, helping them expand their use of payments and financial infrastructure.
Build the integrations and data pipelines connecting thousands of financial institutions to fintech applications.
Guide fintech customers through technical integration decisions and help them launch on the platform.
Ship features in Swift for a banking app used by tens of millions of retail and business customers.
Investigate suspicious activity, sanctions alerts and AML cases across a fast-growing global customer base.
Own a banking product area end to end, from regulatory requirements through to launch metrics.
Build learning tools used by millions of students and teachers, working in a mission-driven non-profit engineering team.
Create and review maths exercises, articles and videos aligned to curriculum standards.
Analyse malware, intrusion techniques and adversary tradecraft, feeding findings into detection content.
Triage and investigate detections around the clock for managed detection and response customers.
Run technical evaluations and proofs of value for enterprise security buyers.
Build merchant-facing commerce features across Ruby, TypeScript and React in a digital-by-design company.
Help high-growth merchants get more from the platform, spanning onboarding, troubleshooting and growth advice.
Model merchant and buyer behaviour at very large scale to guide commerce product decisions.
Design tools that other designers and engineers use daily, working closely with a craft-focused product team.
Represent the design community publicly through talks, workshops and content, feeding insight back into the product.
Investigate safety and policy cases across a global travel marketplace, balancing guest and host outcomes.
Build booking and hosting experiences in React across web and mobile web at large scale.
Develop ranking and personalisation models serving one of the largest travel platforms in the world.
Support accommodation partners with listings, availability, payments and platform questions.
Work on the PHP and JavaScript platform behind Wikipedia, in the open and alongside volunteer developers.
Support volunteer communities and affiliates running free-knowledge programmes around the world.
Write documentation, guides and demos for a structured content platform, and support developers building on it.
Architect content platform implementations with enterprise customers and their agency partners.
Join teams building and maintaining a healthcare SaaS platform used across North America.
Design and run test suites for a large healthcare platform, working with automation and manual verification.
Lead delivery on client projects across .NET and cloud stacks, and mentor junior engineers.
Support engineering teams on hiring, onboarding, performance cycles and retention.
Own features in an app used by tens of millions of customers, working with engineering, risk and compliance teams.
Cover planning, reporting and regulatory compliance for a heavily regulated financial services business.
Handle customer queries across the mobile financial services platform by phone and digital channels.
Build the services behind ride-hailing, logistics and payments at very high transaction volumes.
Run city operations across rider supply, service quality and delivery performance.
Work across the storefront, warehouse management and delivery routing systems for a national grocery platform.
Coordinate picking, packing and dispatch across a network of micro-warehouses.
Grow the merchant base in an assigned territory and support small retailers using the B2B platform.
Analyse sourcing, credit and logistics data to guide commercial and operational decisions.
Handle customer and service-provider queries and resolve issues across the services marketplace.
Run acquisition and retention campaigns across digital channels for a consumer services marketplace.
Join long-running product teams for Nordic clients across .NET, Java, JavaScript and cloud platforms.
Own test strategy and automation for client product teams working to Nordic delivery standards.
Produce accurate clinical notes for US physicians, with a defined path into team lead, trainer and compliance roles.
Lead a documentation team on quality, throughput and shift coverage for a US healthcare client base.
Plan, operate and optimise mobile network infrastructure serving the country's largest subscriber base.
Run digital campaigns and app-based engagement for a national telecom brand.
Support microfinance groups in the field, covering disbursement, collection and member training.
Collect and analyse programme data to measure development outcomes across large-scale interventions.
Teach undergraduate computer science courses and contribute to curriculum development and research.
Build backend services in Go for enterprise clients across banking, telecom and government sectors.
Own CI/CD pipelines, container orchestration and cloud infrastructure across multiple client projects.
Provide family medicine consultations in a patient-centred practice combining clinical care and diagnostics.
Guide patients through appointments, diagnostics and follow-up across in-person and digital channels.
Verify prescriptions and advise customers for an online pharmacy delivering nationwide.
Own assortment, pricing and seller relationships for a product category on a major regional marketplace.
Design and implement high-performance network services in Rust and C that handle millions of requests per second at the edge.
Define the roadmap for Zero Trust network access products protecting enterprise customers worldwide.
Investigate emerging DDoS attack vectors and develop novel mitigation strategies for the global network.
Help enterprise customers architect CDN, security and serverless solutions during technical evaluations.
Write developer documentation and API references for Workers, R2 and other developer platform products.
Build the distributed systems that ingest and query trillions of metrics data points in real time.
Maintain the availability and performance of a large-scale observability platform running across multiple cloud regions.
Design intuitive dashboards and alerting workflows for engineering teams monitoring complex infrastructure.
Run technical demonstrations and proof-of-concept deployments for enterprise observability prospects.
Develop anomaly detection algorithms that automatically surface infrastructure issues before they become outages.
Develop features for the infrastructure-as-code tool used by millions of engineers to provision cloud resources.
Create tutorials, conference talks and sample projects showing best practices for Vault, Consul and Terraform.
Design infrastructure automation architectures for enterprise customers adopting multi-cloud strategies.
Build and maintain test frameworks for Terraform providers and modules across major cloud platforms.
Drive the roadmap for secrets management and encryption products serving security-conscious enterprises.
Build communication APIs and SDKs that developers use to embed voice, video and messaging into their applications.
Produce quickstart guides, code samples and video tutorials helping developers integrate communications APIs.
Partner with enterprise accounts to drive adoption and expansion of the communications platform.
Build data pipelines processing billions of communication events daily for analytics and billing systems.
Monitor and respond to security incidents across the global communications infrastructure.
Build interactive CRM and marketing automation interfaces in React used by hundreds of thousands of businesses.
Design and execute inbound marketing campaigns that drive free-to-paid conversion across product tiers.
Write blog posts, ebooks and marketing guides that rank for high-intent search terms in the CRM space.
Manage the full sales cycle for mid-market CRM and marketing hub deals through consultative selling.
Design onboarding flows and feature experiences that reduce time-to-value for new CRM users.
Develop features for the project tracking tool used by millions of software teams to plan and ship work.
Build and scale the cloud platform infrastructure supporting all Atlassian products across global regions.
Conduct user research studies to uncover collaboration pain points and inform product direction across the suite.
Lead a distributed engineering team building collaboration tools while fostering a healthy team culture.
Analyse product usage patterns across Jira and Confluence to surface insights for growth and retention teams.
Troubleshoot complex configuration and integration issues for enterprise Atlassian Cloud customers.
Build the real-time syncing and database engine that powers millions of collaborative workspaces.
Design flexible block-based interfaces that serve both personal note-takers and enterprise teams.
Define the vision for AI-powered features that help teams organize and retrieve knowledge faster.
Guide enterprise customers through workspace design and integration architecture during onboarding.
Plan and execute campaigns showcasing templates and use cases that drive organic workspace creation.
Build the fast, keyboard-driven issue tracker in TypeScript and React that engineering teams prefer for speed.
Craft pixel-perfect, high-performance UI components for a tool where interface speed is a core product value.
Design opinionated workflows that streamline project tracking while keeping the interface minimal and fast.
Write integration guides and API documentation that help engineering teams automate their project workflows.
Contribute to the open-source Next.js framework used by millions of developers for production web applications.
Scale the serverless deployment infrastructure that builds and serves frontend applications globally.
Create example projects, video tutorials and conference talks about modern frontend deployment workflows.
Help enterprise customers migrate to the platform and optimize build performance for large-scale applications.
Own the developer experience roadmap for the deployment platform, from local development to production.
Extend and optimize the managed Postgres platform powering real-time subscriptions and row-level security.
Write guides, produce launch week content and support the open-source community building on the platform.
Build the dashboard and studio UI in React and TypeScript where developers manage their database projects.
Assist enterprise customers with database architecture, migration planning and performance tuning.
Keep thousands of managed Postgres instances healthy across global regions with automated tooling.
Work on the core database engine in C++ to improve query performance, replication and storage.
Build and operate the Atlas managed database platform serving hundreds of thousands of clusters worldwide.
Design data architectures for enterprise customers migrating from relational databases to document models.
Maintain and expand developer documentation and driver references across all supported programming languages.
Own the roadmap for managed database features including serverless instances and vector search.
Improve search ranking and instant answer features for the privacy-focused search engine.
Build privacy features and browsing protections for the iOS browser and search app.
Develop tracker blocking and private browsing features for the Android app in Kotlin.
Research web tracking technologies and develop countermeasures that protect user privacy across platforms.
Write privacy-focused blog posts and educational content explaining online tracking and data protection.
Build authentication and authorization services that secure access for thousands of enterprise customers.
Identify vulnerabilities in identity protocols and contribute to security hardening of the authentication platform.
Design identity and access management architectures for enterprise customers during pre-sales engagements.
Drive the roadmap for workforce identity products including SSO, MFA and lifecycle management.
Write integration guides and SDK documentation for developers building authentication into their applications.
Develop next-generation firewall features in C and Go that protect enterprise networks from advanced threats.
Analyse malware samples and zero-day exploits to build detection signatures for the threat intelligence feed.
Design cloud-native security architectures for customers deploying workloads across AWS, Azure and GCP.
Conduct technical demonstrations and proof-of-concept deployments for enterprise network security products.
Own the product direction for secure access service edge features combining network and security functions.
Build Vue.js interfaces for the DevSecOps platform, contributing to a codebase that is itself developed in the open.
Shape the continuous integration and deployment experience used by millions of developers worldwide.
Triage and respond to vulnerability reports through the bug bounty programme and internal security assessments.
Build data pipelines processing events from WordPress sites representing a large share of the web.
Develop the WordPress iOS app in Swift, shipping features used by bloggers and publishers on mobile.
Build the workflow engine that processes millions of automated tasks daily across thousands of app integrations.
Define the strategy for AI-powered automation features that help non-technical users build complex workflows.
Build sync and collaboration features for Todoist and Twist in Python and Kotlin with an async-first team.
Design test strategies across web, desktop and mobile clients for productivity apps with complex sync logic.
Drive the desktop and server roadmap for the Ubuntu operating system across multiple release cycles.
Automate testing for Ubuntu releases across cloud images, desktop installers and IoT builds.
Write and maintain documentation for Ubuntu Server, cloud-init and Juju deployment tools.
Build React-based visualisation panels and dashboard editing experiences for the open-source Grafana platform.
Own the product direction for Grafana Cloud alerting and on-call management features.
Develop anomaly detection and natural language processing models integrated into the Elastic Stack.
Create search and observability tutorials that help developers adopt Elasticsearch in their applications.
Drive the roadmap for Elastic Security SIEM and endpoint protection features.
Design the talent matching platform experience used by freelancers and clients worldwide.
Write thought leadership articles and case studies showcasing freelance talent and remote work best practices.
Build payroll and compliance automation features for the global HR platform in TypeScript and Python.
Design intuitive contract management and payment flows for employers hiring across multiple countries.
Resolve payroll, tax and compliance queries from clients and contractors operating in dozens of countries.
Build React-based analytics dashboards that visualise user behaviour heatmaps and session replays.
Help enterprise clients extract actionable insights from digital experience analytics to improve conversion rates.
Contribute to the Firefox browser engine in Rust and C++, improving performance and web standards compliance.
Identify and fix security vulnerabilities across Firefox and Mozilla web services through code audits and fuzzing.
Conduct user research studies to understand browsing behaviour and inform privacy-focused product decisions.
Build the merchant dashboard and checkout interfaces in React with a focus on accessibility and performance.
Model payment fraud patterns and develop machine learning systems that protect merchants from financial losses.
Protect financial data flowing through the platform by building security tooling and conducting threat assessments.
Define the product strategy for financial data connectivity APIs used by thousands of fintech applications.
Analyse financial data quality metrics and connection success rates to identify improvement opportunities.
Build banking features in Kotlin for the Android app serving tens of millions of customers globally.
Develop credit scoring and risk assessment models for lending products across multiple European markets.
Design learning experiences that keep students engaged across math, science and computing courses.
Test interactive exercises and video delivery across web and mobile platforms used by millions of learners.
Analyse learner engagement and completion data to identify where students struggle and how content can improve.
Build real-time threat detection engines that process endpoint telemetry at massive scale.
Build pipelines that process billions of security events daily for threat intelligence and detection models.
Build storefront and checkout experiences in React and TypeScript for the commerce platform.
Own the product roadmap for merchant onboarding and store setup features that drive activation.
Scale the infrastructure supporting flash sales and peak traffic events for the global commerce platform.
Build the real-time collaboration engine that lets multiple designers edit the same file simultaneously.
Lead the team building plugin APIs and developer platform features for the design tool ecosystem.
Build search ranking and pricing services that match travellers with listings across millions of properties.
Model marketplace dynamics including pricing, demand forecasting and host acquisition to grow supply.
Own the host experience product area, improving listing management and earnings tools for property owners.
Build accommodation search and booking features in Java and React for one of the largest travel platforms.
Analyse conversion funnels and A/B test results to optimize the booking flow across devices and markets.
Keep Wikipedia and sister projects available worldwide by managing the infrastructure behind free knowledge.
Guide improvements to the reading and editing experience for Wikipedia's global volunteer community.
Build the real-time content lake infrastructure that powers structured content for headless CMS deployments.
Define the product direction for content modelling and collaboration features used by editorial teams.
Own the roadmap for electronic health record modules used by care providers across North America.
Help healthcare agencies configure and troubleshoot the SaaS platform for their documentation workflows.
Build automated test suites for client projects across web, mobile and API platforms.
Coordinate delivery timelines and client communication across multiple concurrent software projects.
Set up CI/CD pipelines and cloud infrastructure for client projects on AWS and Azure.
Build and scale the transaction processing services handling millions of daily mobile money transfers.
Monitor transaction patterns and investigate fraud attempts across the mobile financial services platform.
Build rider and driver features in Kotlin for the ride-hailing and delivery app.
Analyse ride demand patterns and delivery metrics to optimize pricing and driver allocation strategies.
Own the rider experience product area across ride-hailing and food delivery verticals.
Develop shopping and delivery tracking features for the grocery platform iOS app in Swift.
Analyse order patterns and inventory data to reduce stockouts and optimize warehouse operations.
Build APIs and services for the B2B commerce platform connecting retailers with suppliers.
Define the product strategy for small retailer lending and supply chain features.
Build the service marketplace platform connecting customers with verified service providers.
Own the service provider experience, from onboarding and verification through to quality management.
Manage service provider onboarding and quality assurance across multiple service categories.
Build React and Angular frontends for Nordic client products with a focus on accessibility standards.
Coordinate between Nordic clients and local development teams across agile delivery cycles.
Develop NLP models that assist in converting physician-patient conversations into structured clinical notes.
Validate the accuracy of AI-generated medical documentation against clinical standards and physician expectations.
Build self-service and billing systems for the largest mobile operator in the country.
Analyse subscriber behaviour and network usage patterns to inform commercial and capacity planning decisions.
Own digital product features for the MyGP app serving millions of mobile subscribers.
Build dashboards and analyse field data to measure the impact of education and livelihood programmes.
Support recruitment and staff development across a large development organisation with nationwide operations.
Conduct academic research and assist faculty with grant proposals and publications in engineering disciplines.
Maintain campus network infrastructure, learning management systems and student information systems.
Build enterprise applications across React, Node.js and .NET for banking and telecom clients.
Lead delivery of enterprise software projects for government and financial services clients.
Build the health management platform connecting patients with appointments, diagnostics and health records.
Oversee clinic operations including scheduling, diagnostics workflow and patient flow management.
Build prescription upload and medicine ordering features for the pharmacy delivery app in Kotlin.
Coordinate order fulfillment and last-mile delivery logistics for the online pharmacy platform.
Build shopping and checkout experiences in React for the regional e-commerce marketplace.
Onboard and support marketplace sellers with listing optimization and promotional campaign planning.
Analyse buyer behaviour and seller performance metrics to drive marketplace growth strategies.
Build the scheduling and publishing APIs that power a fully remote social media management platform.
Help customers get the most from Buffer over email and chat while feeding product feedback back to the team.
Shape positioning and launch campaigns for new scheduling and analytics features across social channels.
Analyse engagement and retention metrics across a self-serve subscription product to guide roadmap decisions.
Build the scheduling calendar and analytics dashboards in React for a fully distributed engineering team.
Run hiring, onboarding and benefits administration for a team distributed across many time zones.
Operate the cloud infrastructure platform serving droplets, managed databases and Kubernetes clusters at scale.
Troubleshoot networking, compute and storage issues for developers and startups running production workloads.
Own the roadmap for virtual machine and bare metal compute products used by millions of developers.
Build the control plane services provisioning cloud resources across a global network of data centers.
Guide startups and SMBs through technical evaluations of cloud infrastructure and managed services.
Write tutorials and API documentation that help developers deploy and scale applications on the platform.
Build low-latency matching engine and order book systems for a cryptocurrency exchange handling billions in volume.
Monitor transactions for suspicious activity and support regulatory reporting across multiple jurisdictions.
Protect customer funds and platform infrastructure through security architecture reviews and incident response.
Own the roadmap for the self-custody wallet product used to store and trade digital assets.
Build fraud detection and risk models protecting a large cryptocurrency exchange from bad actors.
Resolve account, trading and withdrawal issues for customers trading digital assets around the clock.
Build the currency conversion and payment routing infrastructure moving billions across borders each year.
Investigate fraud and money laundering signals across an international money transfer platform.
Design transparent, low-friction money transfer flows used by millions of customers worldwide.
Analyse transfer volumes, pricing and conversion metrics to guide expansion into new currency corridors.
Help customers resolve transfer delays and account verification issues across multiple languages.
Build the iOS and Android apps used for international transfers and multi-currency account management.
Build the heatmap and session recording capture scripts that run on millions of customer websites.
Help customers adopt behaviour analytics tools to improve conversion rates on their websites.
Own the roadmap for survey and feedback collection features integrated into the analytics platform.
Build pipelines processing session recordings and clickstream data at scale for behaviour analytics.
Produce guides and case studies helping product teams understand and act on user behaviour data.
Build the time tracking and reporting APIs behind a fully remote productivity tools company.
Design simple, fast time tracking and project planning experiences across web, desktop and mobile.
Help freelancers and teams troubleshoot time tracking integrations and billing questions over chat and email.
Run acquisition campaigns for time tracking and hiring tools aimed at freelancers and small teams.
Test time tracking sync and reporting accuracy across web, desktop and mobile clients.
Operate the anycast network and edge infrastructure that routes traffic for a large share of the internet.
Own the roadmap for DDoS mitigation and web application firewall products protecting millions of sites.
Run technical proofs of concept helping enterprise customers adopt observability across their stack.
Build the ingestion pipelines processing trillions of metrics, logs and traces daily.
Create content and talks helping developers adopt Terraform, Vault and other infrastructure tools.
Build the messaging and voice APIs that power communication features for thousands of applications.
Support enterprise sales cycles with technical demonstrations of communication APIs and use cases.
Help growing businesses adopt CRM, marketing and sales tools to hit their growth targets.
Produce educational content that attracts and converts small business owners into customers.
Own the roadmap for issue tracking and agile planning features used by millions of software teams.
Design flexible workspace and collaboration features for a productivity tool used by millions of teams.
Build a fast, keyboard-driven issue tracking interface with a strong focus on performance and craft.
Create tutorials and demos showing developers how to deploy and scale frontend applications.
Build the open-source database and authentication infrastructure powering thousands of applications.
Design database architectures with enterprise customers migrating to a document-oriented database platform.
Help enterprise customers get the most from their database deployments and renew their contracts.
Build privacy-respecting search and browsing features without tracking user behaviour or building profiles.
Run technical evaluations helping enterprises adopt identity and access management solutions.
Resolve complex network security configuration issues for enterprise firewall and cloud security customers.
Build client-facing web applications across React and Vue for a diverse portfolio of software projects.
Analyse transaction patterns and customer usage data to inform product and risk decisions.
Manage warehousing and last-mile delivery operations for a B2B commerce and lending platform.
Resolve billing, network and service queries for mobile subscribers across multiple channels.
Test enterprise applications across banking, telecom and government client projects.
Oversee fulfillment centre operations and last-mile delivery performance for a regional marketplace.
Build the analytics pipeline surfacing engagement metrics for scheduled social media posts.
Build the billing and usage metering pipelines tracking resource consumption across the cloud platform.
Build iOS and Android trading and wallet experiences used by millions of cryptocurrency holders.
Support regulatory licensing and reporting requirements across dozens of countries for a global fintech.
Build the infrastructure capturing and storing session recordings and heatmap data at scale.
Analyse usage patterns across time tracking and hiring products to guide feature prioritisation.