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772 jobs
Klanik
21 views 3 days ago

Développeur backend Java Springboot confirmé F/H

New EuropeMiddle
France
Montpellier

Backend Java developer (4-5 years' experience) at IT consulting firm Klanik, embedded in client teams in sectors like medical, energy, banking and insurance. Day to day: design and build Spring Boot microservices and REST APIs, maintain applications, and contribute to CI/CD pipelines and Agile ceremonies.

Agile API Big Data CI/CD Cloud +12 skills
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act digital
3 days ago

Tester Automatyzujący z Backend

New RemoteEuropeFull-timeMiddle
Poland
Warszawa

Wynagrodzenie B2B: 120 – 140 PLN / godz. netto Opis firmy Naszą misją jako firmy świadczącej usługi IT jest dostarczanie najlepszych rozwiązań naszym klientom na całym świecie. Osiągamy to poprzez analizowanie potrzeb…

API BDD CI/CD Cucumber Gradle +12 skills
120 – 140 PLN / hr
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QUEST GLOBAL SERVICES POLAND Sp z o. o.
17 views 3 days ago

Back-End Processing Engineer – Radar Systems

New On-siteEuropeFull-timeMiddle
Poland
Warszawa

An electronics/signal processing engineer in Warsaw who supports the integration, testing, and verification of back-end radar processing systems — analyzing test data, diagnosing hardware/firmware issues, and preparing engineering documentation. Core tools are Python or MATLAB, plus digital electronics and signal processing fundamentals.

C++ Embedded Systems Firmware FPGA MATLAB +2 skills
15K – 22K PLN / mo
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Proactive Appointments Ltd.
40 views 3 days ago

Backend C# .NET Developer - Hybrid in Taunton

New HybridUKFull-timeMiddle
United Kingdom
London

Proactive Appointments is recruiting a mid-level back-end C# .NET developer for a permanent, hybrid role (2 days on-site per week) in Taunton, Somerset. Day to day, the developer joins an established team working on a range of projects across the full software development lifecycle from design to deployment, earning up to £50,000 per year plus bonus.

C# .NET
up to 50K £
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EA Sports
19 views 3 days ago

Backend Engineer II - Real-Time Mobile Game Platform (Hybrid KL)

New APACMiddle
Malaysia
Kuala Lumpur

Backend Engineer II on EA Sports' FC Mobile team in Kuala Lumpur (hybrid), designing and running large-scale Node.js/Nest.js microservices on Kubernetes and cloud to power real-time mobile gameplay for millions of players, with focus on scalability, performance tuning, and live service operations.

Cloud Kubernetes Microservices Node.js
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EngiFlex
19 views 3 days ago

Freelance of vast - Backend Developer C#/.NET (Medior)

New EuropeContractMiddle
Belgium
Ghent

Medior backend developer in Ghent building and maintaining secure, scalable backend features in C# and ASP.NET Core — designing REST APIs and data models with Entity Framework Core and MSSQL, writing unit/integration tests, and contributing to a modular architecture using GitLab CI/CD, Kubernetes, and Elasticsearch. Freelance or permanent contracts possible.

Agile API CI/CD C# Docker +11 skills
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Firefly Electric & Lighting Corporation
18 views 3 days ago

Backend API Engineer (Python/FastAPI) for App Connectivity

New APACMiddle
Philippines

Mid-level engineer on Firefly Electric & Lighting's IT team in Manila, building REST APIs with Python/FastAPI to connect mobile apps to backend systems. Needs 1-3 years' mobile development experience, strong Python fundamentals, and familiarity with Kotlin/Java for Android or cross-platform work.

Android API FastAPI Java Kotlin +2 skills
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Nelnet Philippines Inc
12 views 3 days ago

Mid-Level Backend Engineer – Java/Python with AI

New APACMiddle
Philippines

Nelnet Philippines is hiring a mid-level backend engineer to own and deliver backend features in Java and Python, including AI-enabled capabilities. Day to day they translate requirements into production-ready code and collaborate with senior engineers and cross-functional teams in an Agile environment.

Agile AI Java Python
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Volkswagen Group
9 views 3 days ago

Software Developer II - Backend

New North AmericaContractMiddle
United States

Electrify America is committed to revolutionizing the way people charge. As the country's largest open DC fast charging network, Electrify America is actively contributing to electrifying mobility today and building a…

Accessibility API CI/CD DevOps Integration Testing +9 skills
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Edufit
35 views 3 days ago

Middle Backend Developer (Java, Spring)

New On-siteAPACMiddle
Vietnam
Hà Nội

Mid-level backend developer building and maintaining Java Spring Boot REST APIs and services for Edufit's education product: database design and query optimization, async messaging, testing, and production support, with a focus on integrating AI/LLM features. Core stack: Java 17–25, Spring Boot, JPA/Hibernate, SQL, Redis, Kafka.

ActiveMQ AI API AWS Azure +24 skills
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Mblabs
8 views 3 days ago

Desenvolvedor backend node pleno

New LATAMMiddle
Brazil

Mid-level Node.js backend developer at MB Labs, a Brazilian IT consultancy: writes cohesive, loosely coupled stateless APIs, reviews pull requests, monitors application performance, joins architecture decisions, documents technical specs, and mentors teammates. Stack: Node.js/TypeScript, PostgreSQL/SQL Server, MongoDB, AWS or Azure.

Angular API AWS Azure DNS +11 skills
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
116 views 3 days ago

Software Engineer II, Backend (Partner Merchant Interface)

Open 143d RemoteNorth AmericaMiddle 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.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.
Canada
Remote Canada

Build and maintain backend APIs that power Affirm’s merchant integrations, including high-scale systems for partners like Amazon and Stripe using Python or Kotlin.

Analytics API AWS Distributed Systems Kotlin +4 skills
133K – 183K CAD
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
191 views 3 days ago

Software Engineer II, Backend (Test Infra)

Open 115d RemoteNorth AmericaMiddle 7 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.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.
Remote US

Build and maintain scalable test automation frameworks and CI pipelines for Affirm’s fintech products using TypeScript, Python, Playwright, and Pytest.

AI Automation AWS Docker Playwright +5 skills
146K – 225K $
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
178 views 3 days ago

Software Engineer II , Backend, (Furnishing Platform)

Open 112d RemoteEuropeMiddle 8 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.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.
Spain
Remote Spain

Build and scale backend systems and data pipelines for Affirm’s furnishing platform, ensuring accurate credit reporting to consumer agencies using Python/Kotlin, AWS, MySQL, and Spark.

Analytics AWS Data Pipelines Distributed Systems Kotlin +3 skills
73K – 109K €
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
132 views 3 days ago

Software Engineer II, Backend (Furnishing Platform)

Open 112d RemoteEuropeMiddle 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.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.
Poland
Remote Poland

Build and maintain scalable backend systems and data pipelines to power Affirm’s consumer credit reporting, using Python or Kotlin and AWS.

Analytics AWS Data Pipelines Distributed Systems Kotlin +4 skills
259K – 379K PLN
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
148 views 3 days ago

Software Engineer II, Backend (Streaming)

Open 32d RemoteNorth AmericaMiddle 7 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.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.
Remote US

Backend engineer (Level II) on Affirm's Streaming team, which owns the event-driven data infrastructure behind Affirm's pay-over-time product. Day to day: designing and scaling stream-processing systems with Kafka, Flink and Kubernetes on AWS, shipping backend services in Python or Kotlin, and sharing on-call duties.

Analytics AWS Distributed Systems Event Driven Architecture Flink +4 skills
146K – 225K $
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
77 views 3 days ago

Software Engineer II, Backend (Online Storage)

Open 24d RemoteNorth AmericaMiddle 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.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.
Canada
Remote Canada

Backend engineer on Affirm's Online Storage team building and scaling managed Redis/Valkey cache services for mission-critical financial data — owning cluster migrations, capacity planning, self-service automation, SLOs/alerting, and on-call. Stack: Redis/Valkey, Python or Kotlin, AWS, Terraform, Kubernetes.

Agentic AI Analytics AWS CAD Data Science +11 skills
133K – 183K CAD
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
150 views 3 days ago

Software Engineer II, Backend (Card Integrations and Payments Experience)

Open 17d RemoteEuropeMiddle 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.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.
Poland
Remote Poland

Backend engineer on Affirm's Card Checkout team, building and operating the systems behind Affirm Card's in-app checkout experience. Day to day: breaking projects into deliverable phases, shipping backend services, collaborating with product/design/analytics, and sharing on-call duties. Stack includes Python or Kotlin, AWS, MySQL, and Kubernetes.

Analytics AWS Distributed Systems Kotlin Kubernetes +3 skills
259K – 379K PLN
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
194 views 3 days ago

Software Engineer II, Backend (Card Integrations and Payments Experience)

Open 17d RemoteEuropeContractMiddle 8 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.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.
Spain
Remote Spain

Backend engineer on Affirm's Card Checkout team, building and operating the scalable systems behind the in-app Affirm Card checkout experience, with on-call duties. Core stack: Python or Kotlin, AWS, MySQL, Kubernetes. Remote within Spain; visa sponsorship available.

Analytics AWS Distributed Systems Kotlin Kubernetes +2 skills
73K – 109K €
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
116 views 3 days ago

Software Engineer II, Backend (Payments)

New RemoteUKMiddle 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.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.
United Kingdom
Remote UK

Backend engineer on Affirm's Consumer Payments team, building and operating reliable, scalable payment systems that move billions of dollars a year. Day-to-day involves delivering project phases, designing APIs and backend services, and on-call support, using Python or Kotlin with AWS, MySQL and Kubernetes.

Analytics API AWS Distributed Systems Kotlin +3 skills
101K – 149K £
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