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8,586 Senior Backend jobs

Senior backend engineering roles owning server-side systems and APIs.

8.6K jobs
Papaya Gaming
23 views 4 days ago

Senior Backend Engineer (Optimus Team)

Open 17d HybridMENASenior
Israel
Tel Aviv-Yafo, Tel Aviv District

Senior Backend Developer on the Optimus team at Papaya Gaming, building and owning the high-scale backend platform (shared services, experimentation, live config) behind skill-based mobile games with tens of millions of daily tournaments. Stack: AWS, Kubernetes, Node.js, TypeScript, Redis, MySQL, with heavy AI-assisted development via Claude Code.

A/B Testing AI Analytics API AWS +19 skills
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Inscale
22 views 4 days ago

Senior Backend Go Developer

New EuropeSenior
Portugal
Lisbon

Senior backend engineer owning features end-to-end in Go on AWS (Lambda, EventBridge, SQS, RDS) for a multi-market broker and membership platform, integrating with partner banks. AI-first culture where agentic coding (Claude Code) is the daily workflow, shipping feature-flagged experiments measured on business outcomes.

Agentic AI AI Analytics API Api Design +36 skills
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TalyCap Global
64 views 4 days ago

Desarrollador Backend Senior

New RemoteLATAMSenior
Colombia
Bogotá

Senior Backend Developer designing, building, and optimizing scalable backend applications with Python (Django/DRF, Flask, FastAPI) on Google Cloud Platform. The role emphasizes advanced algorithms, SOLID design patterns, microservices, and DevOps with Docker, Kubernetes, and CI/CD, using PostgreSQL and Redis. Fully remote within Colombia, full-time.

API BigQuery CI/CD CircleCI Cloud +22 skills
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Voom Prop Tech
16 views 4 days ago

Senior Backend Developer

New On-siteMENAFull-timeSenior
Egypt
Nasr City, Cairo

Senior Backend Engineer at a real-estate technology company in Cairo, working on-site to design and maintain scalable backend services and REST APIs (Next.js-based), optimize PostgreSQL databases, and support CI/CD, monitoring, and production systems while mentoring other engineers.

AI API Api Design CI/CD Git +11 skills
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Syndesus
38 views 4 days ago

Senior Backend Engineer (Golang & Python) (Frisco, TX)

New HybridNorth AmericaSenior
United States

Senior backend engineer for a global cybersecurity company (hired via Syndesus), hybrid from Frisco, TX. Day to day: design and scale Golang/Python microservices, REST and event-driven APIs, and cloud-native distributed systems on AWS/Azure using Docker, Kubernetes, Terraform, and CI/CD.

AI API Api Design AWS Azure +38 skills
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vCluster
87 views 4 days ago

Senior Software Engineer (Backend)

New RemoteAfrica, CIS, Europe, MENA, North America, UKSenior
+66

As vCluster Labs’ Senior Software Engineer (Backend) , you aren’t just writing code; you are defining the future of tenant isolation. In this role, you will serve as a core architect of the vCluster Platform, tasked…

AI ChatGPT Cloud GitHub GitLab +8 skills
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GitLab Backed by Y Combinator
130 views 4 days ago

Senior Backend Engineer, Deployment Environments

Open 102d RemoteNorth America, UKFull-timeSenior 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.

Senior Backend Engineer at GitLab designs and improves cloud-native deployment guidance and ephemeral environments to make GitLab easier to deploy and validate across environments.

AI Cloud Cloud Native DevSecOps GitLab +1 skills
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GitLab Backed by Y Combinator
165 views 4 days ago

Senior Backend Engineer, AI Engineering: Chat

Open 102d RemoteUKFull-timeSenior 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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GitLab Backed by Y Combinator
127 views 4 days ago

Senior Backend Engineer, Architecture Engineering: Nonlinear Productivity

Open 87d RemoteNorth AmericaFull-timeSenior 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.

Senior Backend Engineer builds AI-powered automation to remove friction in software development workflows, diagnosing and resolving issues like slow code reviews and manual releases using reliable agentic systems in Go/Rust/Python.

Agentic AI AI Automation DevSecOps Distributed Systems +5 skills
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GitLab Backed by Y Combinator
207 views 4 days ago

Senior Backend Engineer, India

Open 78d RemoteAPAC, North America, UKFull-timeSenior 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 Backed by Y Combinator
161 views 4 days ago

Senior Backend Engineer (Go), Tenant Scale: Gitaly

Open 72d RemoteEurope, North America, UKFull-timeSenior 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 GitLab’s Git data storage tier (Gitaly) using Go, focusing on distributed storage, repository management, and performance for self-managed and Dedicated customers.

AI API Automation DevSecOps Git +4 skills
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GitLab Backed by Y Combinator
122 views 4 days ago

Senior Backend Engineer, Trusted Agentic Development

Open 53d RemoteEuropeFull-timeSenior 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
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GitLab Backed by Y Combinator
90 views 4 days ago

Senior Backend Engineer, Database Excellence (Ruby)

Open 52d RemoteUKFull-timeSenior 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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GitLab Backed by Y Combinator
108 views 4 days ago

Senior Backend Engineer, Platform Enablement

Open 43d RemoteNorth AmericaFull-timeSenior 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 States

Senior backend engineer on GitLab's Performance Enablement team, building self-service performance testing platforms, tooling, and AI-assisted workflows so feature teams can own performance testing in their own CI/CD pipelines. Core stack includes Kubernetes, k6, AWS/GCP cloud infrastructure, and AI-driven development practices.

AI Automation CI/CD Cloud Developer Experience +5 skills
157K – 235K $
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GitLab Backed by Y Combinator
89 views 4 days ago

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

Open 25d RemoteEuropeFull-timeSenior 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
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Rockcruit
203 views 4 days ago

TN16 - Backend Node.js Senior

Open 25d RemoteLATAMSenior
Argentina

Rockcruit is hiring a senior backend Node.js engineer (remote, Argentina) to design, build, and maintain scalable microservices and APIs for a client, owning features end to end from design through production support. Core stack: Node.js/TypeScript (NestJS/Express/Hono), REST/GraphQL, AWS/cloud, event-driven messaging, and SQL/NoSQL databases.

Agile API AWS Azure CI/CD +22 skills
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Wellhub Backed by SoftBank Vision Fund
99 views 4 days ago

Senior Backend Software Engineer | AI Engine

Open 92d RemoteLATAMPart-timeSenior
Brazil

Designs and deploys AI-powered backend services (LLMs, retrieval, agentic workflows) with Python/AWS, ensuring scalability, reliability, and observability for a global wellness platform.

Agentic AI AI Airflow API AWS +26 skills
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Wellhub Backed by SoftBank Vision Fund
66 views 4 days ago

Senior Backend Software Engineer | MEP

Open 15d RemoteLATAMPart-timeSenior
Brazil

Senior backend engineer on Wellhub's Marketing Engineering & Platform (B2B Acquisition) team, owning the SMB customer acquisition funnel end to end — lead capture, pricing/quotation, and onboarding handover. Day-to-day is building high-throughput, event-driven services in Kotlin/Spring Boot and Go with Kafka, GraphQL BFF, AWS/Kubernetes, and integrations with Salesforce, HubSpot, and Segment.

AI API Api Design AWS Cloud +19 skills
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Reclame AQUI
46 views 4 days ago

Desenvolvedor(a) Backend SR - Java

New RemoteLATAMSenior
Brazil

Senior software developer at Reclame AQUI, a Brazilian consumer-complaints platform. Day to day: writing production-ready, well-tested Java code (Spring Boot/Quarkus, Hibernate/JPA) using MVC/hexagonal/DDD architecture, deploying on Kubernetes and cloud (GCP/AWS) with MySQL/PostgreSQL, with openness to learning Go. Remote within Brazil.

AWS Cloud GCP Go Hibernate +10 skills
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imaginebeyond
52 views 4 days ago

Desenvolvedor (a) Backend Sênior - Java (Integração)

New RemoteLATAMSenior
Brazil
São Paulo, São Paulo

Na Beyond Soluções, acreditamos que pessoas são o centro de toda grande transformação.Não enxergamos talentos como simples recursos, mas como profissionais reais, com histórias, ambições e potencial para ir além.…

API Java Microservices React
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