Remote Backend Developer jobs open to Europe.

Java · Kotlin

5+ years backend, Java/Kotlin, Spring Boot, Kafka/SQS, wallet or account systems, on-call rota

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

Java

Java (ideally 17+), Spring Boot, Kafka or SQS, payments or fintech experience, out-of-hours on-call

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

Python · Ruby · AWS

5+ years large-scale web apps, Ruby, AWS, Docker and Kubernetes, Python a plus

ZendeskZendesk provides customer-service software, including support, messaging and AI tools.

Python · Ruby · AWS

8+ years software engineering, production LLM integration, Ruby or Python, AWS, Kubernetes

ZendeskZendesk provides customer-service software, including support, messaging and AI tools.

Strong backend engineering, production APIs/cloud/async processing, hands-on AI agent development, some frontend

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Python

8+ years software development, deep Python, async code, OpenTelemetry, open source, AI agent instrumentation

Grafana LabsGrafana Labs builds Grafana Cloud and develops open-source observability projects including Grafana, Loki, Tempo, and Mimir.

Python

8+ years software development, deep Python, async code, OpenTelemetry, open source, AI agent instrumentation

Grafana LabsGrafana Labs builds Grafana Cloud and develops open-source observability projects including Grafana, Loki, Tempo, and Mimir.

Python

8+ years software development, deep Python, async code, OpenTelemetry, open source, AI agent instrumentation

Grafana LabsGrafana Labs builds Grafana Cloud and develops open-source observability projects including Grafana, Loki, Tempo, and Mimir.

Python · Java · Go

Golang or similar (Python, Java, C++, Rust), cloud/distributed systems, on-call rotation

Grafana LabsGrafana Labs builds Grafana Cloud and develops open-source observability projects including Grafana, Loki, Tempo, and Mimir.

Java · Kotlin · Kubernetes

Strong backend, Java or Kotlin, microservices, PostgreSQL, Kafka, Kubernetes, fintech/payments a plus

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

Java · Kotlin

7+ years backend, Java/Kotlin, Spring Boot, Kafka, billing/payments/ledger systems

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

JavaScript · Rust · SQL

8+ years software development, Rust, JavaScript, robust services, SQL or NoSQL databases

MozillaMozilla is a family of mission-driven organizations behind Firefox, Thunderbird, open-source AI tools and public-interest technology initiatives.

JavaScript · Rust

8+ years software development, Rust and JavaScript, database systems

MozillaMozilla is a family of mission-driven organizations behind Firefox, Thunderbird, open-source AI tools and public-interest technology initiatives.

Java

Java and Spring Boot backend, event-driven microservices, Kafka, real-time systems, employee contract (no B2B)

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

Go · SQL

7+ years backend, Golang, distributed systems, SQL, based in Europe incl. UK with right to work

Refurbedrefurbed runs an online marketplace for refurbished products, letting customers in 23 European countries buy for less while cutting CO2 emissions.

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

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.