Remote Software Engineering and Development jobs open to United Kingdom.

Unreal Engine, C++, Streaming solutions, Memory system, Physics (ChaosPhysics), World building tools, AAA title experience, Multithreaded programming, System architecture, Debugging and optimization

CD PROJEKT REDCD PROJEKT RED is a Warsaw-based video game developer specializing in story-driven RPGs, including The Witcher series and Cyberpunk 2077, operating primarily in the B2C gaming industry with a global target market.

Unreal Engine, C++, Streaming solutions, Memory system, Physics (ChaosPhysics), World building tools, Multithreaded programming, System architecture, Debugging and optimization

CD PROJEKT REDCD PROJEKT RED is a Warsaw-based video game developer specializing in story-driven RPGs, including The Witcher series and Cyberpunk 2077, operating primarily in the B2C gaming industry with a global target market.

Python · Java · Rust

Qualifications; Required Qualifications 9+ years experience in Software Engineering, Computer Science, or related technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, Java; Script, Go, Ruby, Rust, or Python OR Associate’s Degree in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, Computer Science, or related field AND 8+ years experience in Software Engineering, Computer Science, or related technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, Java; Script, Go, Ruby, Rust, or PythonOR Bachelor's Degree in Computer Science or related field AND 7+ years experience in Software Engineering, Computer Science, or related technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, Java; Script, Go, Ruby, Rust, or Python OR Master's Degree in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, Computer Science, or related field AND 5+ years experience in Software Engineering, Computer Science, or related technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, Java; Script, Go, Ruby, Rust, or Python OR Doctorate in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, Computer Science, or related field AND 3+ years experience in Software Engineering, Computer Science, or related technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, Java; Script, Go, Ruby, Rust, or Python. OR equivalent experience2+ years experience with large-scale Kubernetes fleet operations, cluster lifecycle management, capacity management, or workload migration; Preferred Qualifications: Experience with Azure Kubernetes Service or operating Kubernetes on Azure.Experience with platform engineering, developer platforms, internal infrastructure products, or infrastructure-as-a-service style systems.Experience with Kubernetes controllers, operators, CRDs, admission control, scheduling, autoscaling, service mesh, or multi-cluster networking.Experience improving reliability through SLOs, observability, incident response, automation, and operational readiness practices.Experience leading Staff-level technical projects with high ambiguity and broad organizational impact. Git; Hub values Customer-obsessed Ship to learn Growth mindset Own the outcome Better together Diverse and inclusive Manager fundamentals Model Coach Care Leadership principles Create clarity Generate energy Deliver success Who We Are; Git; Hub is the world’s leading AI-powered developer platform with 150 million developers and counting. We’re also home to the biggest open-source community on earth (and 99% of the world’s software has open-source code in its DNA). Many of the apps and programs you use every day are built on Git; Hub. Our teams are dreamers, doers, and pioneers, leading the way in AI, driving humanitarian efforts around the globe, and even sending open source to Mars (and beyond!). At Git; Hub, our goal is to create the space you need to do your best work. We’re remote-first and offer competitive pay, generous learning and growth opportunities, and excellent benefits to support you, wherever you are—because we know that people flourish when they can work on their own terms. Join us, and let’s change the world, together. Equal Employment Opportunity; Git; Hub is made up of people from a wide variety of backgrounds and lifestyles. We embrace diversity and invite applications from people of all walks of life. We don't

GitHubGitHub is a San Francisco-based B2B SaaS platform specializing in version control and collaboration tools for the global software development industry.

6 years of experience, C++, Unreal Engine, Networked gameplay, 3D math skills, Gameplay systems development, Cross-platform performance optimization, Game feel understanding, Mentoring programmers, FPP games knowledge

Python

5 years of experience, Strong Python, AI-assisted development, Healthcare experience, Flask, SQLAlchemy, PostgreSQL, Redis

CollectlyCollectly is a San Francisco-based B2B SaaS healthcare technology company specializing in AI-driven patient billing and revenue cycle management solutions for healthcare organizations.

C/C++/C# proficiency, Embedded Linux development, QNX experience, AAOS or AOSP development, Vulkan and OpenGL ES experience, Performance optimization on embedded SoCs, Customer collaboration in automotive, Team influence on cross-platform initiatives

UnityUnity Technologies is a San Francisco-based gaming company providing a leading B2B SaaS platform for real-time 3D development, widely used by creators across various industries globally.

Python

2 years of experience, C++, C#, Python, Technical leadership, Gaming technology, Machine Learning, AI technologies, PlayStation hardware knowledge

sonyinteractiveentertainmentglobalSony Interactive Entertainment is a San Mateo-based global video game and digital entertainment company, primarily B2C, known for the PlayStation brand and its innovative gaming hardware, software, and network services.

3 years of experience, HPC application performance testing, HPC toolchain optimization, Technical program management, Customer-facing experience, Compiling large codes from source, Understanding of system-level hardware, Linux administration for HPC middleware, Experience with CUDA or OpenACC or OpenMP, Proven understanding of baseline testing of HPC codes

RTL design, CPU architecture, Microarchitecture development, Power-saving techniques, High-speed processor design, Design verification, Synthesis and timing closure, Problem-solving skills

SQL

10 years of experience, Cloud-based SaaS products, AI-augmented workflow, API first mindset, Databases, SQL, query optimization, Transforming engineering teams, Deep technical fluency in primary stack, High-performing engineering teams philosophy, Excellent judgment under pressure, Direct, candid communication

DoiTDoiT is a global B2B SaaS provider specializing in cloud management and FinOps, headquartered in a global location, serving cloud-driven organizations worldwide.

SQL

10 years of experience, Cloud-based SaaS products, AI-augmented workflow, Hands-on coding experience, Technical decision-making, Team transformation, Databases and SQL expertise, API first mindset, Strong engineering management philosophy, Excellent judgment under pressure

DoiTDoiT is a global B2B SaaS provider specializing in cloud management and FinOps, headquartered in a global location, serving cloud-driven organizations worldwide.

Go · SQL · Kubernetes

3 years of experience, GoLang, Docker, Kubernetes, DevOps mindset, Financial market knowledge, Experience with large datasets, SQL, Microservice architectures

AlpacaAlpaca is a US-based fintech company providing self-clearing brokerage infrastructure and APIs for stocks, ETFs, options, and crypto, serving financial institutions globally.

Go · SQL · Kubernetes

3 years of experience, GoLang, Docker, Kubernetes, DevOps mindset, Financial market knowledge, Experience with large datasets, SQL, Microservice architectures

AlpacaAlpaca is a US-based fintech company providing self-clearing brokerage infrastructure and APIs for stocks, ETFs, options, and crypto, serving financial institutions globally.

TypeScript · React · GraphQL

4 years of experience, Go, Postgres, React, TypeScript, GraphQL, Product-minded, Comfortable across the stack, Cloud web applications familiarity, Complex data models familiarity, Strong engineering practices experience

Python

5 years of experience, AI/ML applications, n8n, Claude API, Python, HR systems integration, Workday, HR compliance, agentic workflows, automation impact tracking, cross-jurisdictional privacy, People Operations experience

KrakenKraken is a global fintech B2B and B2C cryptocurrency exchange platform, dedicated to accelerating crypto adoption and headquartered remotely with a presence in over 70 countries.

C++, WebAssembly, Emscripten, LLVM, Performance optimization, Multi-threading, Profiling and debugging, Mentoring engineers, Rendering knowledge, Physics knowledge, Audio knowledge

UnityUnity Technologies is a San Francisco-based gaming company providing a leading B2B SaaS platform for real-time 3D development, widely used by creators across various industries globally.

3 years of experience, Full-stack or backend proficiency, Custom integrations experience, Technical implementation ownership, Technical discovery sessions, C1+ English proficiency

PearlPearl is a dental AI company specializing in SaaS solutions for dental x-ray analysis, headquartered in an unspecified location, operating in the B2B healthtech industry with a global market presence.

C++, WebAssembly, Emscripten, LLVML, Platform architecture ownership, Deep root cause analysis, Technical mentoring, Effective communication, Browser engine internals, Real-time 3D engine knowledge, Compression methodologies

UnityUnity Technologies is a San Francisco-based gaming company providing a leading B2B SaaS platform for real-time 3D development, widely used by creators across various industries globally.

TypeScript · React · Node.js

5 years of experience, React, TypeScript, Node.js, REST, GraphQL, MongoDB, CI/CD, iPaaS, AI coding tools, Healthcare integrations, Security awareness

Python

4 years of experience, Autonomous AI agents in production, Context engineering, Agent frameworks: LangChain, LangGraph, CrewAI, AutoGPT, RAG systems on vector databases, Python and AI/ML libraries, Integrating LLMs via API, AI governance and model lifecycle management, Implementing Model Context Protocol (MCP), AI guardrails and safety tooling

Python · Java

2 years of experience, Strong Java proficiency, Experience with large-scale data processing, Ability to work directly with clients, Working knowledge of Python, MSc in Computer Science or AI-related field, Strong problem-solving skills, Experience with simulation frameworks or modeling tools, Prior client-facing technical consulting experience

Python · Azure · Kubernetes

3 years of experience, SLIs/SLOs definition, Multi-tenant SaaS platforms, Datadog, Grafana, Elastic Stack, High-availability architectures, Kubernetes, Python, Bash, Incident response, Cloud experience (Azure)

HostPapaHostPapa is a Canadian-based web hosting company offering B2B and B2C solutions, including shared, reseller, and VPS hosting services, with a focus on small businesses and a global presence.

5 years of experience, Firmware architecture, Ethernet/IP technologies, Cloud technologies, Data-center technologies, Programming computer networks, System build principles

NVIDIANVIDIA Corporation is a Santa Clara-based technology company specializing in designing GPUs and AI solutions for gaming, professional visualization, and cloud services, operating in both B2B and B2C markets globally.

5 years of experience, Fortran, C, C++, OpenACC, OpenMP, MPI, CUDA, performance analysis, parallel architectures, machine architectures, assembly language programming

NVIDIANVIDIA Corporation is a Santa Clara-based technology company specializing in designing GPUs and AI solutions for gaming, professional visualization, and cloud services, operating in both B2B and B2C markets globally.

Python

8 years of experience, InfiniBand, Networking protocols (EVPN, BGP, OSPF, VXLAN), LAN configuration, HPC/AI environments, Cumulus Linux, SONiC, IOS, JunosOS, EOS, Automated network provisioning (Ansible, Salt, Python), CI/CD pipelines for network operations, High-performance computing architectures, Job schedulers (Slurm, PBS), Luster management technologies, GPU hardware/software

NVIDIANVIDIA Corporation is a Santa Clara-based technology company specializing in designing GPUs and AI solutions for gaming, professional visualization, and cloud services, operating in both B2B and B2C markets globally.

Go · AWS · GCP

Golang, AWS, Google Cloud, Kubernetes, CI/CD pipelines, Prometheus, Grafana, ELK stack, Core networking, Security best practices, Automation tools

ArangoDBArangoDB is a San Francisco-based B2B multi-model database platform that integrates graph, document, and key-value data models, serving industries like AI, healthcare, and finance globally.

AWS · Kubernetes · Docker

8 years of experience, GitHub Actions, Kubernetes, AWS, Docker, Terraform, CI/CD for mobile apps, Financial services experience, Developer workflow improvement

PhantomPhantom is a self-custodial multichain cryptocurrency wallet based in the Web3 industry, enabling users to manage tokens and NFTs across Solana, Bitcoin, Ethereum, and Polygon with a focus on security and user experience.

Ruby

10 years of experience, Ruby on Rails, PostgreSQL, AI/ML integration, Systems thinking, Technical leadership, Web stack familiarity, Passion for education

CodePathCodePath is a remote-based non-profit EdTech organization focused on providing technical training and career support for first-generation and low-income students in the tech industry.

Kubernetes

Kubernetes, Datacenter experience, Distributed systems, Go, Terraform, Crossplane, Cluster-API, Networking components management, Operating code

Grafana LabsGrafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

Kubernetes

Kubernetes, Distributed systems, Datacenter experience, Go, Terraform, Crossplane, Cluster-API, Tinkerbell, Talos, Ceph, Networking management

Grafana LabsGrafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.