Remote Backend Developer jobs open to Europe.

Java · AWS

Java, Spring Boot, Microservices, Event-driven architecture, Kafka, High-integrity transactional systems, REST APIs, AWS, Secure coding practices, AI tools, EVM-compatible networks, Stablecoin issuance, Compliance tooling, FinTech experience

BVNKBVNK is a UK-based fintech B2B platform specializing in stablecoin payment infrastructure, enabling businesses to send, receive, and convert currencies globally.

TypeScript · Go

5+ years backend services in production with on-call, TypeScript or Golang, OAuth/OIDC/JWT, PostgreSQL

SupabaseSupabase is a Postgres development platform providing databases, authentication, storage, APIs and related developer tools.

Python · Kotlin · AWS

1.5+ years software engineering, Python or Kotlin backend, AWS/MySQL/Kubernetes, no visa sponsorship

AffirmAffirm operates a payment network that gives consumers flexible ways to pay and helps merchants grow.

Python · Kotlin · AWS

4+ years backend at scale, Python or Kotlin, AWS/MySQL/Kubernetes, UK-based, no visa sponsorship

AffirmAffirm operates a payment network that gives consumers flexible ways to pay and helps merchants grow.

Java · Kotlin · AWS

Romania-based contractors only, Java or Kotlin backend, distributed event-driven systems, REST APIs, AWS

MasabiMasabi is a London-based B2B technology company specializing in fare collection solutions for public transport systems, with a global presence in major cities.

GraphQL · Ruby · SQL

UK-based, backend Ruby and GraphQL, relational databases and SQL tuning, caching, backend testing, on-call

GitLabGitLab provides a DevSecOps platform for planning, building, securing and delivering software.

Python · Kotlin · AWS

8 years of experience, Python, Kotlin, AWS, MySQL, Kubernetes, Correctness-sensitive systems, Data-processing systems, Cross-team collaboration, Technical strategy development, Code quality advocacy

AffirmAffirm operates a payment network that gives consumers flexible ways to pay and helps merchants grow.

Python · Kotlin · AWS

8 years of experience, Python, Kotlin, AWS, MySQL, Kubernetes, Correctness-sensitive systems, Data-processing systems, Cross-team collaboration, Technical strategy development, On-call operations management

AffirmAffirm operates a payment network that gives consumers flexible ways to pay and helps merchants grow.

React · Vue · Python

1.5 years of experience, Python, Kotlin, React, Vue, Declarative UI frameworks, Mobile application development, Code review, Debugging, Collaboration with product management, Agile methodology

AffirmAffirm operates a payment network that gives consumers flexible ways to pay and helps merchants grow.

React · Vue · Python

1.5 years of experience, Python, Kotlin, React, Vue, Declarative UI frameworks, Mobile application development, Code review, Debugging, Collaboration with product management, Agile methodology

AffirmAffirm operates a payment network that gives consumers flexible ways to pay and helps merchants grow.

Python

6-7+ years commercial development, Python 3.x, Django, high-load systems, fluent Russian, intermediate+ English

TorreroTorrero provides white-label casino and sportsbook platforms and B2B game aggregation for iGaming operators.

Python

5+ years commercial development, Python 3.x, Django, high-load systems, fluent Russian, intermediate+ English

TorreroTorrero provides white-label casino and sportsbook platforms and B2B game aggregation for iGaming operators.

Java · Kotlin · AWS

Java, Kotlin, AWS, Event-driven architecture, REST APIs, Kafka, Terraform, Distributed systems, Cloud-native systems, Scalable systems

MasabiMasabi is a London-based B2B technology company specializing in fare collection solutions for public transport systems, with a global presence in major cities.

Java · Kubernetes

5+ years software development, Java, Kubernetes/OpenShift, GenAI apps, Italian and English, onsite visits in Italy/EMEA

Red HatRed Hat provides enterprise open source software, including Linux, hybrid cloud, container and Kubernetes platforms, for businesses and public sector organizations.

SQL

6-8+ years software development, C#/.NET, SQL Server and T-SQL, AI-assisted dev tools, English B2+

Aras CorporationAras provides product lifecycle management software for engineering and manufacturing companies.

Python · Go · Kubernetes

5 years of experience, Golang, Python, Kubernetes, AI-assisted coding, Distributed systems

Lemon.ioLemon.io is a Ukraine-based B2B platform connecting startups with vetted freelance developers, offering services globally across various sectors.

Go

Golang or comparable backend language, distributed systems, Kafka, Pub/Sub or SQS messaging

CyberhavenCyberhaven provides an AI-native data security platform for protecting data across human and AI-agent workflows.

GraphQL · Ruby

Ruby on Rails, testable Rails code, relational databases (PostgreSQL a plus), GraphQL a plus, Tier 2 on-call

GitLabGitLab provides a DevSecOps platform for planning, building, securing and delivering software.

Rust

9+ years software engineering (fewer with degree), on-call, preferred: web-scale search, Rust, AI/ML features

GitHubGitHub is an AI-powered developer platform for code hosting, collaboration, automation, security and software delivery.

Java · SQL · Kubernetes

5 years of experience, Java 8+, Spring Boot, RESTful microservices, SQL optimization, Apache Kafka, asynchronous programming, Docker, Kubernetes, CI/CD (Jenkins), AI code companions, strong English communication

ACCESAAccesa builds digital and AI solutions for companies in retail, manufacturing and financial services.

Go · Rust

8+ years distributed systems, C/C++/Golang/Rust, API design, async programming, mTLS/IPsec knowledge

NVIDIANVIDIA builds accelerated-computing platforms for AI, data centers, gaming, robotics and autonomous vehicles.

Python · SQL · Azure

4 years of experience, Python, FastAPI, Azure, Databricks, REST APIs, SQL Server, Docker, Asynchronous processing, Messaging systems, CI/CD

Mutt DataMuttdata is a data and AI consultancy that builds data platforms and machine learning systems, such as forecasting and recommendation models, for client companies.

Python · SQL · Azure

4 years of experience, Python, FastAPI, Azure Databricks, Asynchronous processing, SQL Server, Docker, Azure services, CI/CD participation

Mutt DataMuttdata is a data and AI consultancy that builds data platforms and machine learning systems, such as forecasting and recommendation models, for client companies.

Python · Java · AWS

HPC, AWS, Java, Python, C++, Web API architecture, Containerization, Distributed systems, Linux, Infrastructure automation, Cloud integration

Node.js

5+ years backend with Node.js in production, distributed systems, PostgreSQL tuning, observability

SupabaseSupabase is a Postgres development platform providing databases, authentication, storage, APIs and related developer tools.

3+ years Haskell, C, PostgreSQL/plpgsql, open-source contributions, Linux debugging

SupabaseSupabase is a Postgres development platform providing databases, authentication, storage, APIs and related developer tools.

Python · Java · AWS

Java, Python, C++, AWS, Distributed systems, Production backend service ownership, Fluent English, Cloud integration with HPC, Simulation-specific solutions, High-performance computing optimization

Python

7+ years backend, Python, PostgreSQL, Redis, distributed task queues, remote anywhere in UK

ZscalerZscaler is a San Jose-based B2B cloud security company specializing in SaaS solutions for zero trust architecture and secure access service edge (SASE), serving enterprise customers globally.

Java · GCP

Who You Are: You have strong experience building and operating backend services and data pipelines in production at scale, ideally in Java, Scala or Go; Who You Are: You have designed APIs and handled schema evolution and backward compatibility in systems where other teams rely on stable contracts; Who You Are: You’re comfortable modelling data for auditability, versioning and efficient querying and  understand the tradeoffs between real-time and batch processing; Who You Are: You lead projects from discovery to handover, make sound technical decisions, and mentor others; Who You Are: You may have worked with content ingestion, metadata standards such as DDEX, B2B partner integrations, rights or compliance-sensitive data, lyrics or time-synced data, or GCP.

SpotifySpotify is an audio streaming service that offers music, podcasts and audiobooks to listeners worldwide.

Rust · AWS · Kubernetes

Rust, Postgres compatibility, Deterministic Simulation Testing, Formal verification methods, Fuzz testing, Differential testing, AWS, Kubernetes, Embedded databases, Remote team collaboration, Cloud systems observability, Cloud systems reliability, Cloud systems performance

SupabaseSupabase is a Postgres development platform providing databases, authentication, storage, APIs and related developer tools.