Remote Backend Developer jobs open to United Kingdom.

Go · Ruby

9+ years software engineering, load balancers/DDoS protection, cloud-native at scale, Golang and Ruby, on-call

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

Go · Kubernetes

5+ years backend, Golang (or fast ramp-up), public API design, Kubernetes

ChainguardChainguard supplies hardened open-source containers, libraries, and packages that help organizations reduce software supply-chain risk.

Backend-leaning full stack, high-traffic production systems, system design and database fundamentals, production ops

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

Python

C, RTOS, Python, Git, IoT security, Serial protocols, Board bring-up, ESP32

GCP

Google Cloud, Cloud Infrastructure, Cloud Architecture, DevOps, Cybersecurity, Data Engineering, AI-related technical fields

Productive PlayhouseProductive Playhouse is a California-based global data and language-services company specializing in transcription, localization and AI evaluation.

Python

5+ years C++, Python-based AI services, agentic workflows or retrieval systems

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

Go

Shipped LLM/agent features to 10k+ users, Golang backend, RAG and tool calling, LLM evals, 1 year Web3 preferred

Trust WalletTrust Wallet is a non-custodial, multi-chain cryptocurrency wallet that lets people self-custody and manage digital assets across 100+ blockchains.

Python · Go

Europe/UK with right to work, senior backend in Golang or Python, production LLM apps, AI coding agents

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

2 years of experience, C#, Elite 3E, REST APIs, JSON, XML, Git, Power Automate, Financial systems integration, Legal technology exposure, Problem-solving skills

HarborHarbor is a global provider of expert services in strategy, legal technology, operations, and intelligence, primarily serving law firms and corporate legal departments.

Python

Python, End-to-end ownership, Client-facing communication, Full-stack development, Cloud infrastructure, AI-powered development, Production-minded development, Business thinking, Self-management, Timezone flexibility

AE StudioAE Studio is a custom software development and design agency specializing in AI integration and data science, operating as a B2B provider for clients ranging from startups to Fortune 10 companies.

TypeScript · JavaScript · Node.js

5 years of experience, JavaScript, TypeScript, Node.js, AWS, AI application patterns, LLM-powered features, AI observability, Production AWS, REST/API design, Ownership mindset, English B2

WildixWildix is a Tallinn-based B2B UCaaS provider specializing in AI-powered VoIP and collaboration solutions for businesses across 135+ countries.

5+ years backend/AI systems, LLM inference, APIs/distributed systems; also eligible in Cyprus and Hungary

KrakenKraken is a financial platform where individuals and institutions trade crypto, stocks, ETFs, and futures.

AWS · Azure

2 years of experience, MuleSoft Anypoint Platform, API design, Integration Design patterns, Microservices architecture, Public cloud experience (AWS/Azure), Non-profit sector experience, Excellent debugging skills, Strong communication skills

fusionSpanfusionSpan is a Rockville, MD-based B2B technology consulting firm specializing in Salesforce implementations and managed services for nonprofits and membership organizations.

React · Python · Go

5 years of experience, React, WordPress, Python, Golang, Microservices architecture, Event-driven systems, Distributed computing, Agile concepts, Dev-ops processes, Cloud platforms (AWS, Azure, GCP), Containerization (Docker), SQL, NoSQL, Terraform

Unity, AI focus, Social gaming