Skip to content
Search jobs inside your AI agent. Claude, ChatGPT, Claude Code, Codex, Gemini, Cursor and Grok
Connect

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
GitLab Backed by Y Combinator
145 views 6 hours ago

Intermediate Backend Engineer, Pipeline Authoring

Open 57d RemoteEuropeFull-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.
Poland

Intermediate backend engineer on GitLab's Pipeline Authoring group, maturing the CI/CD Catalog and Components features and improving performance, scalability, security and usability of pipeline creation. Core stack is Ruby on Rails with PostgreSQL and GraphQL, fully remote from Poland.

Agile AI CI/CD DevSecOps GitLab +5 skills
248K – 372K PLN
 Sign in to see your match
GitLab Backed by Y Combinator
258 views 6 hours ago

Backend Engineer, Source Code: Repository Services (Ruby)

New RemoteNorth AmericaContract 4 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.
Canada

Remote (Canada) backend engineer on GitLab's Source Code repository services team, taking backend features from problem clarification through shipping and production follow-up. Works mainly in Ruby/Rails (Go also welcome) building APIs, background jobs, and data models, with testing, code review, on-call, and AI-assisted workflows.

AI API CI/CD Cloud DevSecOps +11 skills
 Sign in to see your match
OX Security
642 views 6 hours ago

Senior Backend Engineer - Vibesec

Open 50d RemoteCIS, Europe, LATAMFull-timeSenior
Buenos Aires

Senior backend engineer on OX Security's VIBESEC team, building AI security products end to end in Node.js and TypeScript across cloud environments and endpoints. Fully remote within Argentina, working in a small senior distributed team with overlap alongside Israel and EU colleagues.

Agentic AI AI Cloud Cybersecurity Developer Experience +7 skills
 Sign in to see your match
Foxhole Technology
6 hours ago

Sr. Backend Developer

New North AmericaSenior Salary + equity 11 questions
United States
Herndon, VA

Location- Remote in States Foxhole is registered Clearance: Ability to obtain a DHS Public Trust Foxhole Technology provides robust cybersecurity and IT support capabilities for federal civilian and defense agencies. A…

Accessibility Agile AI Analytics Angular +47 skills
 Sign in to see your match
GitLab Backed by Y Combinator
280 views 6 hours ago

Backend Engineer (Ruby), Plan: Spec-Driven Development

Open 85d RemoteEurope, UKFull-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.

Build backend systems for GitLab’s AI-driven intent-to-code workflows using Ruby on Rails, Python, PostgreSQL, and LLM APIs to turn user intent into verified, mergeable code.

Agentic AI AI API DevSecOps GitLab +6 skills
 Sign in to see your match
GitLab Backed by Y Combinator
182 views 6 hours ago

Senior Backend Engineer (Ruby), Production Engineering:Tenant Controls

Open 30d RemoteEuropeFull-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.
Poland

Senior backend engineer at GitLab building the Tenant Controls team's application-level rate limiting framework for GitLab.com — a single way to define, configure, and observe rate limits that operators can change without a deploy. Day-to-day: shipping Ruby backend features in the modular monolith, setting standards, mentoring, incident response, and integrating agentic AI into workflows.

Agentic AI AI API ClickHouse DevSecOps +7 skills
272K – 408K PLN
 Sign in to see your match
GitLab
23 views 6 hours ago

Senior Backend Engineer, Cloud Cost & Capacity

New APACFull-timeSenior 6 questions
India
Bangalore

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate…

AI Anomaly Detection BigQuery Cloud Data Pipelines +12 skills
 Sign in to see your match
GitLab Backed by Y Combinator
365 views 6 hours ago

Staff Backend Engineer, Developer Experience

Open 146d RemoteNorth America, UKFull-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.

Build and improve GitLab’s internal developer tools and testing infrastructure using Ruby and Go, reducing friction in CI/CD pipelines and shaping engineering culture across globally distributed teams.

AI Automation CI/CD Developer Experience DevOps +7 skills
132K – 282K $
 Sign in to see your match
Deliveroo Backed by AccelBacked by Index Ventures
101 views 6 hours ago

Senior Backend Engineer - Case Management

Open 19d UKSenior 2 questions
United Kingdom
London, England

Senior backend engineer at Deliveroo (now part of DoorDash) building the Common case-management system powering support-case handling across DoorDash, Wolt, and Deliveroo. Day to day: designing backend services and APIs for case lifecycle, routing, queues, and audit history, and safely migrating traffic off legacy platforms.

AI API Observability
Sign in to see your match
Agoda
100 views 6 hours ago

Backend Lead Software Engineer (L5) — Bangkok Relocation Provided

Open 146d HybridAPACLead 17 questions
Thailand
Bangkok

Lead a team of backend engineers in Bangkok to design, build, and maintain scalable travel booking systems using Scala, Go, Kafka, and Aerospike, with relocation support provided.

Agile API CI/CD Distributed Systems Kafka +1 skills
 Sign in to see your match
Deliveroo Backed by AccelBacked by Index Ventures
109 views 6 hours ago

Golang Backend Engineer, Financial Product Fraud

Open 19d UK 2 questions
United Kingdom
London, England

Builds real-time fraud detection and automated enforcement backend services in Go for Deliveroo/DoorDash/Wolt financial products — instant payouts, merchant cash advances, and platform-issued banking. A founding engineer on a new London-based team working closely with Helsinki and Berlin.

AI AWS Cloud Distributed Systems Event Driven Architecture +11 skills
 Sign in to see your match
Verkada
7 hours ago

Backend Engineer

New North AmericaFull-time Salary + equity 3 questions
United States
San Mateo, CA United States

Backend Engineer building scalable distributed backend services, APIs, and data models in a microservices architecture to handle high-volume traffic from hundreds of thousands of deployed devices on Verkada's AI-powered physical security platform. Onsite five days a week in San Mateo, CA.

Agentic AI AI API Firmware Microservices
140K – 140K $
 Sign in to see your match
Deliveroo Backed by AccelBacked by Index Ventures
81 views 7 hours ago

Software Engineer, Backend (BI Platform)

Open 19d HybridUK 4 questions
United Kingdom
London, Deliveroo

Backend software engineer on Deliveroo's Core BI team in London (hybrid, ~3 days/week in office), building and operating the backend services, APIs, integrations and automation behind the BI platforms (mainly Looker and Sigma) used across DoorDash, Deliveroo and Wolt. Core stack: Python, SQL, Kubernetes, CI/CD, plus AI/LLM tooling.

Agentic AI AI Analytics API Authentication +15 skills
 Sign in to see your match
Deliveroo Backed by AccelBacked by Index Ventures
107 views 7 hours ago

Software Engineer II (Backend) - Home Page & Merchandising Platform

Open 19d HybridUKMiddle 3 questions
United Kingdom
London, Deliveroo

Backend engineer on Deliveroo's Home Page & Merchandising Platform team in London, designing and scaling services for a real-time hyper-local food-delivery marketplace. Works in Go, Ruby, or Python with PostgreSQL/MySQL plus NoSQL/caching layers; hybrid role with typically 3 days in the office.

DynamoDB Elasticsearch MySQL NoSQL PostgreSQL +7 skills
 Sign in to see your match
Deliveroo Backed by AccelBacked by Index Ventures
93 views 7 hours ago

Software Engineer II (Backend) - Subscriptions

Open 19d UKMiddle 4 questions
United Kingdom
London, Deliveroo

Backend engineer on Deliveroo's Subscriptions team in London, building shared subscription and loyalty capabilities (DashPass, Deliveroo Plus, Wolt+) that serve millions of users across Deliveroo, DoorDash, and Wolt. The team is explicitly AI-first, expecting engineers to work with agentic coding workflows and ship reliable backend features end-to-end.

Agentic AI AI API Observability
Sign in to see your match
Deliveroo Backed by AccelBacked by Index Ventures
92 views 7 hours ago

Senior Software Engineer (Backend)- Merchants

Open 19d HybridUKSenior 2 questions
United Kingdom
London, Deliveroo

Senior backend engineer on Deliveroo's (now part of DoorDash) MX Intelligence team in London (hybrid, 3 days in office), building a first-party platform replacing Salesforce for merchant identification, CRM, quoting, contracting and onboarding across DoorDash, Deliveroo and Wolt. Stack includes Go, Ruby/Rails, Python, Scala, Rust, PostgreSQL, Redis, DynamoDB and Elasticsearch.

CRM DynamoDB Elasticsearch MySQL NoSQL +9 skills
 Sign in to see your match
Deliveroo Backed by AccelBacked by Index Ventures
90 views 7 hours ago

Senior Software Engineer, Backend - New Verticals

Open 19d HybridUKSenior 3 questions
United Kingdom
London, Deliveroo

Senior backend engineer on Deliveroo's New Verticals (grocery/retail 'Shopping') team in London, hybrid 3 days/week: improving architecture and code quality, leading project planning, and scaling backend systems while moving a monolith to microservices. Stack includes Go, Ruby/Rails, Python, Scala, Rust, PostgreSQL/MySQL and Redis/DynamoDB/ElasticSearch.

AI API Claude Code DynamoDB Elasticsearch +11 skills
 Sign in to see your match
GitLab Backed by Y Combinator
227 views 7 hours ago

Senior Backend Engineer, Trusted Agentic Development

Open 58d RemoteEuropeFull-timeSenior 8 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.
Poland

Senior backend engineer on GitLab's Trusted Agentic Development team, owning the technical thesis and early prototypes for validating AI-agent-generated code — building fast, trustworthy mid-loop feedback so passing tests mean working software, starting with Rust, Ruby, and Go.

Agentic AI AI Automation Developer Experience DevSecOps +6 skills
272K – 408K PLN
 Sign in to see your match
Piramidal (YC W24)
7 hours ago

Senior Backend Engineer

New North AmericaSenior Salary + equity
United States
New York, NY

Piramidal (YC W24) | Senior Backend Engineer | New York, NY | $200K-$300K + equity | www.piramidal.ai We’ve built the first-of-its-kind foundation model for brainwave data. Our goal is Intelligence Amplification (IA)…
ADSearch
8 hours ago

Lead développeur Back end (H/F)

New On-siteEuropeFull-timeSenior
France
Avignon, Provence-Alpes-Côte d'Azur

En bref : Lead développeur back end (H/F) - Avignon - CDI - Rémunération autour de 55k / 60k brut annuel € Notre client, belle PME en pleine croissance, recherche son nouveau Lead développeur back end (H/F) à Avignon.…

Agile .NET Java Kotlin Spring
50K – 60K €
 Sign in to see your match