Remote Backend Developer jobs open to United Kingdom.

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

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.

Python · GCP

5 years of experience, Python, Bash, Data pipelines, Large-scale data processing, Cloud infrastructure, GCP, Terraform, Web crawlers, Audio processing

SpeechifySpeechify is an AI-powered text-to-speech SaaS platform headquartered in the US, focusing on accessibility and productivity for a global audience.

Python · GCP

5 years of experience, Python, Bash, Data pipelines, Large-scale data processing, Cloud infrastructure, GCP, Terraform, Web crawlers, Audio processing

SpeechifySpeechify is an AI-powered text-to-speech SaaS platform headquartered in the US, focusing on accessibility and productivity for a global audience.

Python · GCP

5 years of experience, Python, Bash, Data pipelines, Large-scale data processing, Cloud infrastructure, GCP, Terraform, Web crawlers, Audio processing

SpeechifySpeechify is an AI-powered text-to-speech SaaS platform headquartered in the US, focusing on accessibility and productivity for a global audience.

Python · GCP

5 years of experience, Python, Bash, Data pipelines, Large-scale data processing, Cloud infrastructure, GCP, Terraform, Web crawlers, Data acquisition, ML training data, Audio processing

SpeechifySpeechify is an AI-powered text-to-speech SaaS platform headquartered in the US, focusing on accessibility and productivity for a global audience.

Python · GCP

5 years of experience, Python, Bash, Data pipelines, Large-scale data processing, Cloud infrastructure, GCP, Terraform, Web crawlers, Audio processing

SpeechifySpeechify is an AI-powered text-to-speech SaaS platform headquartered in the US, focusing on accessibility and productivity for a global audience.

Python · GCP

5 years of experience, Python, Bash, Data pipelines, Large-scale data processing, Cloud infrastructure, GCP, Terraform, Web crawlers, Data acquisition, ML training data, Audio processing

SpeechifySpeechify is an AI-powered text-to-speech SaaS platform headquartered in the US, focusing on accessibility and productivity for a global audience.

GraphQL · Ruby

Ruby and GraphQL, relational databases, full-stack experience, AI coding agents, Tier 2 on-call

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

JavaScript · GraphQL · Java

Who You Are: You have 5+ years of professional software engineering experience, with strong proficiency in Java and object-oriented software design.; Who You Are: You have experience designing, building and maintaining backend services in a production environment.; Who You Are: You're comfortable working with RESTful APIs, with GraphQL experience being a bonus.; Who You Are: You have a good understanding of JavaScript and modern web technologies.; Who You Are: You understand the principles of scalable, distributed systems and can reason about technical trade-offs.; Who You Are: You care about code quality, testing, maintainability and building software that lasts.; Who You Are: You're confident contributing to technical discussions and sharing your ideas and opinions.; Who You Are: You're a collaborative team player who enjoys working across disciplines and supporting others.; Who You Are: You're proactive, take ownership of your work and look for ways to improve how things are done.; Who You Are: You have a growth mindset, enjoy learning and know when to adopt new technologies and when to keep things simple.

PhorestPhorest makes salon management software for hair and beauty salons, including in-salon software, a staff app, online booking, client messaging and branded client apps.

TypeScript · Python · Java

Open Source Contributions, Backend Development and API Design, Python, Java, C++, Go, Rust, TypeScript, Debugging and Troubleshooting, Automated Testing and Code Validation, Performance Optimization

Weekday AIWeekday provides AI-assisted candidate sourcing and recruiting services for employers.

Go

10+ years production software, container images/OCI/registries, Golang, supply chain security, visible OSS work

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

JavaScript · Rust · AWS

3 years of experience, PostgreSQL Expert, Nix packaging, Ansible, Docker, AWS, Kubernetes, C/C++ builds, Go, JavaScript, Rust, Infrastructure management, Customer engagement, Proactive problem-solving

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

7 years of experience, Advanced modern C++ (C++23 or newer), Large-scale C++ codebases, Memory management, Concurrency, Performance profiling, Experience shipping software to a large consumer audience, Comfort with large build systems, Algorithms and data structures

DuckDuckGoDuckDuckGo is a Paoli, Pennsylvania-based privacy technology company offering a privacy-focused search engine and browser solutions for a global audience.

Python

5 years of experience, Trust & Safety systems, Python, Distributed systems, Cloud applications, End-to-end system ownership, APIs design, Collaboration with non-technical stakeholders, Problem-solving in ambiguous situations

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

Python

Python, Backend development, Payment processing experience, Stream processing, Debugging complex production issues, Test design fundamentals, Attention to detail in financial systems

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

Production Go, API design at scale, Cross-team collaboration, Comfort in ambiguity, Mentorship without title, Cloud-native familiarity, AI-powered product features

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

Python · Go · AWS

6 years of experience, Golang, Python, Event-driven systems, CI/CD tooling, Web application security, SAST/SCA/secret-scanning tooling, AI-assisted engineering, AWS, Kubernetes, Fintech experience, PCI DSS knowledge, Software supply-chain integrity, Policy-as-code familiarity, Threat modeling

SezzleSezzle is a payments platform offering installment plans, credit-building and rewards features to shoppers while connecting merchants to its customer network.

Python · Go · AWS

6 years of experience, Golang, Python, Event-driven systems, CI/CD tooling, Web application security, SAST/SCA/secret-scanning tooling, AI-assisted engineering, AWS, Kubernetes, Fintech experience, PCI DSS knowledge, Software supply-chain integrity, Policy-as-code familiarity, Threat modeling

SezzleSezzle is a payments platform offering installment plans, credit-building and rewards features to shoppers while connecting merchants to its customer network.

Python · Kubernetes

Python, Backend development, Software design patterns, Cloud infrastructure, Test design, Security fundamentals, Authentication/authorization experience, Kubernetes, Internal platform development

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

Rust

Rust, Backend engineering, System reliability, Scalable systems, UI systems design, Data pipelines, Project leadership, Professional editing tools

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

SQL

10 years of experience, ABAP4, ABAP OO, AI-driven development, SAP add-on development, SQL optimization, XBP, XMI, RFC programming, German fluency, Technical architecture ownership, Job scheduling expertise

StonebranchStonebranch is an Atlanta-based B2B SaaS provider specializing in IT automation and orchestration solutions for enterprises across industries such as financial services, healthcare, and technology.

Rust · SQL · AWS

5 years of experience, Rust, async Rust, Tokio, performance profiling, memory management, production-grade services, SQL/NoSQL databases, Docker, Linux, cloud provider (AWS/GCP/Azure)

Python

Python scraping of Google or protected sites, Playwright/Selenium, HTTP/TLS, anti-bot and CAPTCHA handling

AdthenaAdthena is an AI-powered search intelligence platform giving brands, marketers and agencies competitive insight into the paid search market.

5+ years distributed systems in production, sharding and replication, performance tuning, Elasticsearch/Vespa a plus

AlphaSenseAlphaSense is a New York City-based B2B fintech platform specializing in AI-driven market intelligence and search solutions for financial institutions and top companies globally.

Go · Rust

Rust or Golang, static/program analysis (IRs, taint/data-flow), AppSec (CWE, OWASP), LLM agent tooling, on-call

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

Backend generalist, complex data-heavy systems, usage reporting/accounts, media pipelines a plus

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