Remote Backend Developer jobs open to Europe.

Backend engineering, Production systems, APIs, Cloud infrastructure, Asynchronous processing, Developing agents, End-to-end ownership, Creative agents, Multimodal generation, MCP experience, Small team experience

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

Python

8 years of experience, Python, OpenTelemetry, AI applications, Asynchronous code, Open-source collaboration, Observability tooling, Performance profiling, Instrumentation techniques

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

Python

8 years of experience, Python, OpenTelemetry, AI applications, Asynchronous code, Open-source collaboration, Observability tooling, Instrumentation techniques, Profiling, Runtime diagnostics, Technical leadership

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

Python · Java · GCP

Who You Are: You have experience developing and scaling backend services using Java, Python, or similar technologies in a cloud environment such as Google Cloud Platform.; Who You Are: You're familiar with scalable database technologies such as PostgreSQL and understand the fundamentals of building reliable backend systems.; Who You Are: You have exposure to data systems and pipelines, or you're interested in developing your expertise in this area.; Who You Are: You enjoy tackling technical challenges, breaking down complex problems, and finding practical solutions.; Who You Are: You communicate clearly and are comfortable sharing ideas, participating in technical discussions, and presenting your work to others.; Who You Are: You're proactive, take ownership of your work, and enjoy learning new technologies and approaches.; Who You Are: You value collaboration, feedback, and working with people from different technical backgrounds to achieve shared goals.; Who You Are: Experience in e-commerce, payments, or financial engineering is valuable, but not essential.

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

TypeScript · React

TypeScript, React, Go, Database performance monitoring, AI coding tools, Technical ownership, Mentoring engineers, User focus, Open-source contribution

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.

Java · Kotlin

Java or Kotlin, Spring Boot, Kafka, event-driven microservices, high-integrity financial systems

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

SQL

7+ years designing and building scalable production backend services. Strong Go, distributed systems, service-oriented architecture, SQL and relational database design. Basic frontend development ability. Independent ownership, clear communication, collaboration and a willingness to experiment with new practices. Excellent English, based in Europe including the UK and in a European time zone, with a valid right to work. A computer science or related degree or equivalent experience is desired.

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

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.