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27,054 Backend jobs

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

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Senior Backend Engineer (Platform & Architecture) - AppSec Solution

New RemoteCIS, EuropeSenior

Senior Backend Engineer at OX Security (AppSec platform) owning platform and architecture work: building shared service foundations, evolving the data layer at scale, driving Kubernetes cost/reliability, and building the foundations to run AI agents in-product. Core stack: Node.js/TypeScript, Kubernetes, DevOps.

Agentic AI AI Application Security Cloud Cybersecurity +11 skills

Shvintech India

Java Back End Developer - Fresher

New On-siteAPACFull-timeJunior

Title: Java Back End Developer - Fresher Location: Vizag - Work From Office Note: Applicants are expected to attend In-person Interview @ Hyderabad (or) Vizag location with 1 day prior notice on provided slots to…

Bootstrap CSS Hibernate HTML Java +9 skills

Tester Manualny – Frontend / Backend

New HybridEuropeFull-timeMiddle

Manual QA tester on a long-term project at IT services firm act digital in Wrocław, testing a client application at both frontend and backend level: functional, integration and workflow tests plus API verification via Postman or Bruno, with test cases and bug reporting in Jira. B2B contract at 60–80 PLN/h net.

API Integration Testing Jest Jira Postman +1 skills

60 – 80 PLN / hr

Senior Software Engineer, Backend (Reliability Platform)

Open 92d RemoteNorth AmericaContractSenior Salary + equity 7 questions Licensed UK sponsor H-1B sponsor history

Build a next-gen reliability platform for Affirm’s production systems, blending distributed systems engineering with AI-assisted automation to monitor, debug, and improve service health.

AI Analytics Automation AWS Distributed Systems +7 skills

173K – 255K $

#QueroSerMercantil

Desenvolvedor Backend Sênior

New RemoteLATAMSenior

Senior backend developer at DOMO, the technology and innovation hub of Banco Mercantil, a major Brazilian bank. The role handles incident resolution, data modeling, solution architecture, unit testing and code review, using C#/.NET Core, SQL Server, Git, REST APIs, Kubernetes microservices and distributed-systems architecture. Remote within Brazil.

API C# Data Modeling Distributed Systems .NET +7 skills

The New York Times

Backend Engineering Intern, Wirecutter

New North AmericaInternshipIntern Salary + equity 10 questions

Internship on Wirecutter's developer platform team at The New York Times (New York, NY): improving CI/CD pipelines, investigating web application performance and latency, and strengthening automated quality checks. Core tech: CI/CD tooling (e.g., GitHub Actions), AWS/Kubernetes exposure, and AI coding agents like Claude Code.

AI AWS CI/CD Claude Code Generative AI +3 skills

40 – 40 $ / hr

INTELLICS GLOBAL SERVICES PRIVATE LIMITED

Senior Java Backend Developer

New APACFull-timeSenior

Hyderabad, Telangana, Pune, Maharashtra

We are seeking a highly skilled Senior Java Backend Developer to join our dynamic team. The ideal candidate will have extensive experience in backend development using Java and will be proficient in utilizing modern…

Containerization Data Pipelines Docker Git Java +2 skills

Backend Java Developer

New HybridUKContract

Rusholme, Manchester

Spencer Rose are urgently seeking a Backend Java Developer for a 6-12 month contract working for a Tier-1 bank in Manchester, experience working with Google Cloud (GCP) is a must . Start: URGENT Location: Manchester -…

API Cloud GCP Java Microservices +2 skills

Senior Software Engineer I/II, Back-end/Data, Robotics

Open 86d WorldwideFull-timeSenior Salary + equity 5 questions

Cambridge, MA USA

Build back-end and data systems that schedule autonomous lab work, model digital twins, and turn raw experimental output into trustworthy, queryable data using Python, Flyte, Temporal, PostgreSQL, and AWS EKS.

AI Automation AWS CI/CD Cloud +20 skills

144K – 240K $

Senior Backend Engineer

Open 64d HybridMENASenior

Giv'atayim, Tel Aviv District

Personetics, a fintech company providing AI-driven 'cognitive banking' tools to banks, is hiring a senior backend engineer for its Platform team. Day to day they lead design of core platform capabilities in Java/Kubernetes cloud-native systems, improve SDLC and engineering standards, mentor others, and adopt AI-assisted dev tools like Cursor.

Agentic AI AI AWS Azure CI/CD +10 skills

Decathlon Digital FR

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

Open 125d HybridEuropeFull-timeSenior 1 question

Lille, Upline, Nord

Senior backend engineer on Decathlon Digital's Ecom Pricing & Promotions feature team in Lille, building and running cloud microservices that drive pricing and promotions on Decathlon's global e-commerce platform. Stack: Java 21/Spring Boot 3, Kafka, PostgreSQL, Kubernetes on multi-cloud with GitOps, SRE and monitoring practices.

Agile AWS Azure CI/CD Cloud +19 skills

fusionconsulting

Back End Node Js Developer

New HybridEuropeFull-timeSenior

We're looking for a detail-oriented and analytical Back End Node.js Developer to join our growing engineering team in Barcelona, Spain. In this role, you will design, develop, and maintain robust server-side…

API Api Design AWS Azure CI/CD +25 skills

Senior BackEnd Engineer

New HybridMENASenior

Tel Aviv-Yafo, Tel Aviv District

Senior Backend Engineer at EasySend, a no-code platform for digital customer journeys in insurance, banking, and financial services. The role owns and evolves a distributed Python workflow runtime on Kubernetes/EKS across 7 regional clusters, including architecture, CI/CD, on-call, mentoring, and a Celery-to-Temporal.io migration.

Agentic AI AI AWS CI/CD Claude Code +17 skills

(Senior) Backend Developer

New HybridEuropeFull-timeSenior

Onsite backend Java developer at Continental's Data and Customer Solution Competence Center in Lousado (Braga), building and supporting the Fleet Platform for the Americas with Spring Boot microservices, REST APIs, PostgreSQL, and CI tools like Jenkins, collaborating with US and EU Scrum teams.

Agile Angular API CI/CD Cucumber +16 skills

Java Backend Engineer – AI

Open 26d North America 6 questions

Hands-on backend developer at Capco, a financial services consultancy, who designs and builds scalable Java/Python backend services and integrates AI-powered workflows and automation into enterprise financial systems. Core work spans REST APIs, microservices, system integrations, and applying LLM/AI tools like GitHub Copilot to engineering workflows.

Agentic AI AI API Automation AWS +24 skills

92K – 118K CAD

Electronic Arts (EA)

Senior Backend Engineer – Scalable Cloud Services

New HybridNorth AmericaFull-timeSenior

Senior backend engineer at Electronic Arts building massively scalable, globally available cloud services that power creator-focused and generative content tools in games, bridging research and production (AI-assisted creation, procedural systems). Core stack: Python, Postgres, public cloud (AWS/GCP/Azure), and CI/CD; hybrid, onsite 3 days/week.

AI API AWS Azure CAD +9 skills

141K – 204K CAD

Head of backend

New RemoteUKC-level

Principal Backend Engineer (posted as Head of backend): a fully remote UK-based role acting as the CTO's technical partner — shaping backend architecture, coaching engineers and guiding modernisation of a 25-year-old C#/.NET monolith alongside modern .NET and TypeScript services on Azure, SQL Server, PostgreSQL and Redis.

AI API Api Design Azure Cloud +13 skills

Desarrollador Backend Senior: APIs y Microservicios (Remoto)

New LATAMSenior

Senior backend developer at Sears designing and maintaining scalable order platforms and backend systems, centered on RESTful APIs and microservices for high-demand environments. Works remotely from Guadalajara using Python, Java, Go, or Node.js with relational and NoSQL databases.

API Java Microservices Node.js NoSQL +2 skills

Senior Backend Engineer — AdTech & Real-Time Systems

New RemoteEuropeFull-timeSenior

Senior Backend Engineer building a programmatic advertising platform where milliseconds affect ad-buying: high-throughput, low-latency RTB/bid-stream services, performance tuning, and ad integrations. Backend work across Node.js/TypeScript, Go, Rust, Java or Python, based in Kraków with remote possible.

Gdpr Go Java Node.js Python +2 skills

24K – 35K PLN / mo

HOLISTICON CONNECT

Senior Backend Software Engineer (Java/Kotlin)

New RemoteContractSenior

Holisticon Connect is a division within NEXER GROUP - a custom software development company. We started in Poland in 2017 and are now a team of over 140 people. We have the opportunity to work with world-renowned…

API Automation AWS Azure CI/CD +24 skills