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26,989 Backend jobs

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

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27K jobs
GitLab Backed by Y Combinator
212 views 9 hours ago

Intermediate Backend Engineer, India

Open 64d RemoteAPACContract 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

Backend engineer on GitLab's DevSecOps platform who owns features end to end — clarifying requirements, building APIs, data models and background jobs, writing tests, reviewing code, and helping operate what ships. Works primarily in Ruby/Rails, Go, or similar modern languages in a remote-first, asynchronous team.

AI API CI/CD Cloud DevSecOps +11 skills
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ioasys
9 hours ago

Pessoa Desenvolvedora Back-end (Java)

New HybridLATAM
Brazil
Belo Horizonte, MG, Brasil

A ioasys é especialista na criação de soluções digitais para empresas que buscam evoluir de forma consistente. Combinamos estratégia, design, dados e inteligência artificial para transformar desafios complexos em…

AWS Azure Cloud DevOps Java +6 skills
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Fullpath
148 views 9 hours ago

Senior Backend Engineer

Open 79d HybridMENASenior
Israel
Jerusalem, Jerusalem District

Senior Backend Engineer at Fullpath developing AI-driven products in the automotive space. Responsibilities include writing high-quality code, optimizing application performance, and collaborating with cross-functional teams using technologies like AI, SQL databases, AWS, and microservices.

AI API AWS Cloud Microservices +5 skills
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
176 views 9 hours ago

Principal Software Engineer, Backend - Sharing

Open 141d North AmericaFull-timePrincipal Salary + equity 6 questions 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.
United States
San Mateo, CA

Principal backend engineer leading multi-year strategy for content sharing on Roblox, designing scalable systems and mentoring senior engineers.

API C++ C# Distributed Systems Java
295K – 345K $
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Roblox Backed by a16zBacked by GreylockBacked by Index Ventures
184 views 9 hours ago

Senior Software Engineer (Backend), Co-Experience

Open 51d North AmericaFull-timeSenior Salary + equity 6 questions 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.
United States
San Mateo, CA

Senior backend engineer on Roblox's Co-Experience team, owning and scaling the platform-level Party System (groups, chat, private gameplay, creator APIs) that keeps social interactions safe and civil for millions of concurrent users. Core tech: microservices in a compiled language (C#, C++, Java, or Go) and consumer-facing APIs, with heavy use of AI-assisted development.

AI API C++ C# Go +2 skills
197K – 243K $
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Innovecs
9 hours ago

Senior Back-End Engineer (Java, AI-Native)

New RemoteEuropeSenior No extra questions
Ukraine

We are looking for an experienced Senior Back-End Engineer (Java, AI-Native) . Our US-based client is a national warehouse operator with dozens of facilities located across the United states. The project goal is…

Accessibility AI Java
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ClassPass Backed by Techstars
30 views 9 hours ago

Sr Software Engineer - Backend

Open 72d North AmericaSenior 6 questions
United States

Senior Backend Engineer building and evolving the microservices and APIs that power the ClassPass fitness/wellness marketplace, using Java/Kotlin/C#, SQL databases, and observability tools like New Relic and Kibana.

Agile API C# Design Patterns Java +12 skills
151K – 200K $
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Robinhood
9 hours ago

Senior Backend Engineer, Growth

New North AmericaSenior Salary + equity 6 questions
United States
Menlo Park, CA

Senior Backend Engineer on Robinhood's Growth team, building and owning backend services and APIs that power Robinhood Gold, subscriptions, and customer acquisition/engagement journeys. Day-to-day is end-to-end project ownership, architecture, reliability/observability work, and mentoring.

AI API Distributed Systems Observability
196K – 230K $
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GitLab Backed by Y Combinator
395 views 9 hours ago

Senior Backend Engineer, India

Open 83d RemoteAPAC, UKFull-timeSenior 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.
Bangalore

Senior Backend Engineer at GitLab (DevSecOps platform) in Bangalore: design and ship complex backend features, define engineering standards, mentor engineers, handle reliability/performance at scale, and integrate agentic AI into production workflows. Core stack involves backend architecture, APIs, data systems (PostgreSQL/ClickHouse), and Kubernetes.

Agentic AI AI API ClickHouse DevSecOps +7 skills
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GitLab
15 views 9 hours ago

Intermediate Backend Engineer , Security Factory

New APACFull-time 7 questions
India
Bangalore

Intermediate backend engineer on GitLab's Security Factory: Code Scanning team, extending the static analysis (SAST) engine that finds and helps fix security vulnerabilities in code. Day-to-day work spans program modeling (parsing, call graphs, taint/data-flow analysis) and AI-assisted tooling, primarily in Rust with Go and Ruby.

Agentic AI AI API CI/CD DevSecOps +7 skills
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GitLab
75 views 9 hours ago

Intermediate Backend Engineer, Authorization

New APACFull-time 6 questions
India
Bangalore

Backend engineer on GitLab's Authorization team building the permission system that decides what users, tokens, and agents can access across GitLab.com, Self-Managed, and Dedicated — roughly 400 policy classes and ~1,900 permissions behind every API request. Day-to-day work is Ruby on Rails (GraphQL/REST enforcement, token permissions, refactors), plus contributions to a new Rust policy engine con

AI API Authentication DevSecOps GitLab +7 skills
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c6bank
46 views 9 hours ago

Pessoa Desenvolvedora Especialista Back-end Java e Kotlin | Onboarding

Open 41d LATAM 12 questions
Brazil
São Paulo

Specialist back-end developer (Java/Kotlin) on C6 Bank's Onboarding team, leading the full software lifecycle for card processing and financial transaction services. Works with Spring Boot microservices, PostgreSQL/MongoDB, Kafka/SQS/SNS, AWS with Terraform, CI/CD, and a strong focus on testing, observability, and security (JWT/OAuth2).

API AWS BDD CI/CD Cloud +20 skills
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Rekluti
9 hours ago

Desarrollador Backend .Net + Oracle - Perú

New HybridLATAMContract
Peru

Senior backend developer in Lima, Peru to maintain and support critical client-server applications built on PowerBuilder 19, .NET (C#/VB.NET) and Oracle, handling production incidents under 24x7 SLA shifts, plus unit/integration testing, documentation and production releases. Contractor engagement, paid in USD, hybrid after 15 days on-site.

Citrix C# .NET Git GitLab +7 skills
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Bancom Perú
9 hours ago

Desarrollador Backend (Java)

New LATAM
Peru

Backend Java developer at Bancom Perú who designs, builds, tests, and maintains REST APIs integrating with banking systems, optimizes SQL Server databases, manages CI/CD deployments on Azure DevOps, containers with Docker, and supports production services in a Scrum team.

API Azure Azure Application Insights Azure DevOps Azure Functions +27 skills
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Lokki Henkilöstöpalvelut Oy
9 hours ago

Senior Backend Developer

New EuropeSenior
Finland

Senior backend developer placed via staffing firm Lokki into a finance-sector client's team in Finland. Fully remote work (occasional visits to the client in Helsinki), 100% allocation, ~1-year engagement building Java/Spring backends with Angular.

Angular Java
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Lokki Henkilöstöpalvelut Oy
9 hours ago

Senior Backend Developer - FinTech (Remote, Java/Spring)

New EuropeSenior
Finland

Staffing firm Lokki Henkilöstöpalvelut is placing an experienced backend developer with a financial-sector client to build and maintain Java/Spring backend systems and integrate them with an Angular frontend. The work is fully remote (occasional visits to the client in Helsinki a few times a year) on an approximately 1-year contract starting as soon as possible.

Angular Java Spring
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GitLab Backed by Y Combinator
520 views 9 hours ago

Backend Engineer (Python),AI Engineering: Agent Foundations

Open 78d RemoteEurope, North America, 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.

Develops reusable AI-driven workflow components (Flow Registry) in Python for GitLab’s Duo Agent Platform, bridging backend services and frontend tools while ensuring scalability, security, and cross-stack collaboration.

Agentic AI AI API CLI DevSecOps +15 skills
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GitLab Backed by Y Combinator
274 views 9 hours ago

Senior Backend Engineer, AI Engineering: Chat

Open 106d RemoteUKFull-timeSenior 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.
United Kingdom

Builds and maintains the backend AI infrastructure for GitLab Duo Chat, integrating large language models and multi-agent flows using Python, LangGraph, and Ruby on Rails to power secure, agentic chat experiences.

Agentic AI AI API Data Modeling DevSecOps +16 skills
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CRUX
9 hours ago

Python Backend developer

New APACJunior
India
Chennai

Entry-level (fresher) Python backend developer role, fully onsite in Chennai. The posting gives no further detail on day-to-day duties or tech stack beyond Python backend development.

Python
Wolt
212 views 10 hours ago

Senior Backend Engineer(Go), Storage Platform

Open 80d Europe, UKSenior 3 questions
Berlin, London, England

Build and optimize a Go-based storage access platform and database abstraction layer for Wolt, focusing on sharding, replication, and automation using NoSQL and Kubernetes.

Automation Cassandra Distributed Systems DynamoDB EKS +3 skills
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