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26,989 Backend jobs

Server-side engineering roles — APIs, services, databases and backend systems.

Backend jobs by country — openings, pay and top skills →

27K jobs
Wolt
6 views 10 hours ago

Software Engineer, Growth Platform - Backend

Open 38d Europe 1 question
Finland
Helsinki

Backend engineer on Wolt's Growth Platform — a shared, AI-native marketing platform spanning DoorDash, Wolt, and Deliveroo. Day to day you own backend features end-to-end at massive scale, unify customer data and execution across brands, and treat agentic coding with AI agents as a core engineering discipline.

Agentic AI AI API Machine Learning Observability
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DoorDash Canada
146 views 10 hours ago

Staff Software Engineer, Backend

Open 106d North AmericaFull-timeStaff Salary + equity 5 questions
Canada
Toronto, ON

Build and scale DoorDash's backend systems and microservices to power its global logistics platform for consumers, merchants, and delivery drivers.

API CAD Elasticsearch Java Kotlin +8 skills
185K – 232K CAD
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DoorDash Canada
132 views 10 hours ago

Senior Software Engineering, Backend (All Teams)

Open 23d North AmericaFull-timeSenior Salary + equity 5 questions
Canada
Toronto, Ontario

Senior Backend Engineer building and running large-scale backend services across DoorDash's Product and Product Platform teams in a hybrid Toronto role — owning projects end-to-end, defining backend architecture, and helping migrate a monolith to microservices. Core tech: REST APIs, SQL/NoSQL (Postgres, Redis, Elasticsearch, RabbitMQ), and AI coding tools.

AI API CAD Claude Code Elasticsearch +8 skills
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DoorDash Canada
118 views 10 hours ago

Software Engineering, Backend (All Teams)

Open 23d North AmericaFull-time Salary + equity 5 questions
Canada
Toronto, ON

Backend engineer at DoorDash building and running large-scale services for its on-demand delivery logistics marketplace, including the migration from a monolith to microservices. Work spans product and platform teams using REST APIs, SQL/NoSQL stores (Postgres, Redis, Elasticsearch, RabbitMQ), and AI coding tools.

AI API CAD Claude Code Elasticsearch +8 skills
120K – 150K CAD
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GitLab Backed by Y Combinator
272 views 10 hours ago

Staff Backend Engineer, Database Automation (Go)

Open 56d RemoteNorth AmericaFull-timeStaff 5 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.

Staff backend engineer on GitLab's Database Excellence group building Go-based automation for the full PostgreSQL lifecycle (provisioning, upgrades, failover, scaling) as an internal PostgreSQL-as-a-service platform, operating at GitLab.com scale in a fully remote environment alongside Kubernetes, infrastructure-as-code, and multi-cloud tooling.

Agentic AI AI Automation Cloud DevSecOps +9 skills
153K – 259K $
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GitLab Backed by Y Combinator
344 views 10 hours ago

Backend Engineer, GitLab Orbit

New RemoteNorth AmericaFull-time 5 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.

Intermediate backend engineer on GitLab's Orbit team building the Knowledge Graph service — a Rust backend that turns SDLC and code data into a property graph using ClickHouse and NATS JetStream, exposing secure graph queries and MCP tools for AI agents. Day to day: shipping backend features and integrations, improving reliability/observability, and sharing on-call.

Agentic AI AI Analytics API ClickHouse +15 skills
115K – 162K $
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GitLab Backed by Y Combinator
174 views 10 hours ago

Senior Backend Engineer, Database Excellence (Ruby)

Open 57d RemoteUKFull-timeSenior 5 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
United Kingdom

Senior Backend Engineer focused on database scalability, health, and tooling. Works with Ruby on Rails and PostgreSQL to build data growth controls, retention frameworks, and developer guardrails for GitLab's SaaS and self-managed platforms.

Agile AI Analytics Corrective Action Data Engineering +7 skills
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Decathlontechnology
10 hours ago

Senior Backend Software Engineer - Ecom Pricing & Promotions (f/m/d)

New HybridEuropeFull-timeSenior
France
Lille, Upline, Nord

Senior backend engineer on Decathlon's e-commerce Pricing & Promotions feature team in Lille (hybrid, 2 days remote). Builds and scales cloud microservices behind the global storefront, designs architecture, ensures code quality, and runs production DevOps/SRE. Stack: Java 21/Spring Boot 3, Kafka, PostgreSQL, Kubernetes, multi-cloud.

Agile AWS Azure CI/CD Cloud +19 skills
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VANRATH
10 hours ago

Lead Developer - Backend Software Development

New HybridUKFull-timeLead
United Kingdom
Omagh

Lead Developer owning a real-time web platform for an Omagh-based organisation: designing and optimising PostgreSQL databases, building Supabase functionality (auth, real-time, RLS, server functions), integrating Stripe payments, and developing TypeScript/React frontend features. Permanent, hybrid role paying £45,000-£55,000.

Accessibility AI Authentication Gdpr PostgreSQL +6 skills
45K – 55K £
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Acclaim
10 hours ago

Senior Backend Engineer (Platform)

New RemoteCISSenior
Georgia
Tbilisi, Tbilisi

Build and scale Acclaim's internal LLM agent framework — backend services, APIs, databases, and automated LLM evaluation pipelines — using async Python (FastAPI/aiohttp) and cloud-native architecture, in close collaboration with ML/NLP teams. The company builds voice-first, privacy-first generative AI products; role is fully remote across Europe.

Agentic AI AI API ChatGPT Cloud +9 skills
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Socure
10 hours ago

Staff Backend Graph Engineer

New RemoteNorth AmericaFull-timeStaff 11 questions
United States

Why Socure? Socure is building the identity trust infrastructure for the digital economy — verifying 100% of good identities in real time and stopping fraud before it starts. The mission is big, the problems are…

Airflow Analytics API AWS CI/CD +18 skills
225K – 250K $
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GitLab Backed by Y Combinator
217 views 10 hours ago

Staff Backend Engineer, Architecture Engineering: Nonlinear Productivity

Open 91d RemoteNorth AmericaFull-timeStaff 9 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.

Staff Backend Engineer defining and building agentic systems to automate parts of GitLab’s DevSecOps workflow while keeping humans in the loop, using Go/Rust/Python.

Agentic AI AI DevSecOps Distributed Systems GitLab +6 skills
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xai Backed by a16zBacked by Lightspeed
148 views 10 hours ago

Backend Engineer, API

Open 145d UK Salary + equity 7 questions
United Kingdom
London, England

Builds and scales a high-throughput AI inference API in Rust, owning model serving, routing, and observability for global developer access.

API Authentication ClickHouse C++ Distributed Systems +11 skills
107K – 262K £
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xai Backed by a16zBacked by Lightspeed
122 views 10 hours ago

Backend Engineer, Enterprise

Open 145d APAC 7 questions
Japan

Builds and maintains scalable backend systems in Rust/C++ and Python, integrating AI workflows with databases like PostgreSQL and Kubernetes, to deliver enterprise-grade solutions.

AI API Authentication ClickHouse CockroachDB +12 skills
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Vast
86 views 10 hours ago

Senior Software Engineer, Backend

Open 146d North AmericaFull-timeSenior Salary + equity 3 questions
United States
Long Beach, California

Build secure, scalable backend services for next-gen space stations, focusing on authentication, APIs, and mission-critical systems in a fast-paced startup environment.

API Api Design Api Security Authentication Cloud +13 skills
159K – 267K $
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IonQ
10 hours ago

Staff Backend Software Engineer, Cloud Platform

New North AmericaFellowshipStaff Salary + equity 7 questions
United States
Bothell, Washington

Staff Backend Engineer on IonQ's Cloud Platform team builds the APIs and asynchronous job-processing pipeline that compile, queue, and run customers' quantum jobs on IonQ hardware via partner clouds like AWS, GCP, and Azure. Core tech: Go/TypeScript/Python, PostgreSQL, Kubernetes, and cloud-native services, plus on-call and mentoring duties.

AI Analytics API Authentication AWS +21 skills
152K – 228K $
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Coralogix
219 views 10 hours ago

Backend Engineer - Alerting

Open 29d HybridMENA, UK Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
Ramat Gan

Backend engineer on Coralogix's Alerting team, building a real-time streaming detection system that processes millions of events per second with millisecond latency. The role involves owning distributed, event-driven services end-to-end using Scala/ZIO, Kafka Streams, Elasticsearch, Redis, Kubernetes and AWS.

Analytics AWS Data Modeling Distributed Computing Distributed Systems +17 skills
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Censys
155 views 10 hours ago

Software Engineer II (Backend)

New RemoteNorth AmericaMiddle 5 questions
US/Canada

Backend engineer on Censys's Exposure Management team, building and running product APIs (REST/gRPC, primarily in Go on Postgres) that show security teams which internet exposures matter most, including SIEM integrations and cross-team data services. Remote anywhere in the continental US or Canada.

AI API AWS Ccpa Data Modeling +17 skills
116K – 164K $
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GitLab Backed by Y Combinator
234 views 10 hours ago

Staff Backend Engineer, India

Open 64d RemoteAPACFull-timeStaff 7 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
India
Bangalore

Staff Backend Engineer at GitLab providing cross-team technical leadership on the DevSecOps platform: leading large backend initiatives, modernizing the Ruby/Rails monolith toward modular services (Go, Kubernetes, Rust, PostgreSQL), setting engineering standards, and driving adoption of AI-assisted/agentic workflows.

Agentic AI AI Ai Enablement API Cloud +12 skills
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Unikey
10 hours ago

Sviluppatore Python Backend – API (FastAPI), Cloud & Remote

New RemoteEurope
Italy
Lombardia

Unikey is hiring two Python backend developers in Milan to design, build, and maintain high-performance backends with secure, scalable RESTful APIs using FastAPI and cloud technologies, collaborating with DevOps and frontend teams. Hybrid or full remote work; RAL €30-35K based on experience.

API DevOps Python REST
30K – 35K €
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