1 to 25 of 45 Permanent Distributed Systems Jobs in the East of England

Senior Principal Offensive Security Engineer

Hiring Organisation
Oracle
Location
Colchester, Essex, UK
Employment Type
Full-time
Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. … interests. Offensive Security Engineer Oracle Cloud Infrastructure Group The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research ...

Senior Principal Offensive Security Engineer

Hiring Organisation
Oracle
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. … interests. Offensive Security Engineer Oracle Cloud Infrastructure Group The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research ...

Senior Principal Offensive Security Engineer

Hiring Organisation
Oracle
Location
Peterborough, Cambridgeshire, UK
Employment Type
Full-time
Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. … interests. Offensive Security Engineer Oracle Cloud Infrastructure Group The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research ...

Head of Engineering (AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Colchester, Essex, UK
Employment Type
Full-time
deep observability, and human-in-the-loop controls where required. We are looking for a Head of Engineering to scale these production-grade agentic systems, strengthen platform reliability, and lead global engineering teams to deliver a secure, highly reliable, and operationally mature SaaS platform. This role sits … intersection of AI-first engineering, distributed systems, and customer impact, working closely with the leadership team, customer success, development, DevOps, and security teams to ensure engineering accelerates, rather than blocks, sustainable growth. This is not a maintenance role. This is a build, scale, and lead role. Why This ...

Head of Engineering (AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
deep observability, and human-in-the-loop controls where required. We are looking for a Head of Engineering to scale these production-grade agentic systems, strengthen platform reliability, and lead global engineering teams to deliver a secure, highly reliable, and operationally mature SaaS platform. This role sits … intersection of AI-first engineering, distributed systems, and customer impact, working closely with the leadership team, customer success, development, DevOps, and security teams to ensure engineering accelerates, rather than blocks, sustainable growth. This is not a maintenance role. This is a build, scale, and lead role. Why This ...

Head of Engineering (AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Ipswich, Suffolk, UK
Employment Type
Full-time
deep observability, and human-in-the-loop controls where required. We are looking for a Head of Engineering to scale these production-grade agentic systems, strengthen platform reliability, and lead global engineering teams to deliver a secure, highly reliable, and operationally mature SaaS platform. This role sits … intersection of AI-first engineering, distributed systems, and customer impact, working closely with the leadership team, customer success, development, DevOps, and security teams to ensure engineering accelerates, rather than blocks, sustainable growth. This is not a maintenance role. This is a build, scale, and lead role. Why This ...

Head of Engineering (AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Peterborough, Cambridgeshire, UK
Employment Type
Full-time
deep observability, and human-in-the-loop controls where required. We are looking for a Head of Engineering to scale these production-grade agentic systems, strengthen platform reliability, and lead global engineering teams to deliver a secure, highly reliable, and operationally mature SaaS platform. This role sits … intersection of AI-first engineering, distributed systems, and customer impact, working closely with the leadership team, customer success, development, DevOps, and security teams to ensure engineering accelerates, rather than blocks, sustainable growth. This is not a maintenance role. This is a build, scale, and lead role. Why This ...

Principal Software Engineer

Hiring Organisation
Immersum
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
Principal Software Engineer – Node/TypeScript £130,000 – £150,000 100% Remote – UK/Europe Tech stack: Node.js, TypeScript, Cloud, Distributed Systems, APIs, Async Processing Immersum is supporting a bootstrapped CyberSecurity SaaS company specialising in vulnerability scanning as they look to hire a Principal Software Engineer. With … long-term technical quality. Who They're Looking For A T-shaped engineer with deep Node.js and TypeScript expertise who enjoys owning complex systems, influencing technical direction, and staying hands-on. The Role • Design and evolve backend services supporting APIs and asynchronous workflows • Own architecture decisions focused on scalability ...

Principal Software Engineer

Hiring Organisation
Immersum
Location
Colchester, Essex, UK
Employment Type
Full-time
Principal Software Engineer – Node/TypeScript £130,000 – £150,000 100% Remote – UK/Europe Tech stack: Node.js, TypeScript, Cloud, Distributed Systems, APIs, Async Processing Immersum is supporting a bootstrapped CyberSecurity SaaS company specialising in vulnerability scanning as they look to hire a Principal Software Engineer. With … long-term technical quality. Who They're Looking For A T-shaped engineer with deep Node.js and TypeScript expertise who enjoys owning complex systems, influencing technical direction, and staying hands-on. The Role • Design and evolve backend services supporting APIs and asynchronous workflows • Own architecture decisions focused on scalability ...

Python Developer

Hiring Organisation
SearchWorks
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
continue building the product. This is a product engineering role (not consultancy) What you'll be doing Architecting the backbone of revolutionary AI systems Create backend systems that deliver sub second response times Help to guide and mentor an extremely strong team of engineers Help to create robust … scalable platforms to process commercial claims faster than every before. What they're looking for Expert Python skills with proven experience building high performing systems 8+ years of backend engineering experience, ideally with some insights into distributed systems Some systems architecture exposure Performance engineering exposure Mentoring ...

Python Developer

Hiring Organisation
SearchWorks
Location
Bedford, Bedfordshire, UK
Employment Type
Full-time
continue building the product. This is a product engineering role (not consultancy) What you'll be doing Architecting the backbone of revolutionary AI systems Create backend systems that deliver sub second response times Help to guide and mentor an extremely strong team of engineers Help to create robust … scalable platforms to process commercial claims faster than every before. What they're looking for Expert Python skills with proven experience building high performing systems 8+ years of backend engineering experience, ideally with some insights into distributed systems Some systems architecture exposure Performance engineering exposure Mentoring ...

Python Developer

Hiring Organisation
SearchWorks
Location
Colchester, Essex, UK
Employment Type
Full-time
continue building the product. This is a product engineering role (not consultancy) What you'll be doing Architecting the backbone of revolutionary AI systems Create backend systems that deliver sub second response times Help to guide and mentor an extremely strong team of engineers Help to create robust … scalable platforms to process commercial claims faster than every before. What they're looking for Expert Python skills with proven experience building high performing systems 8+ years of backend engineering experience, ideally with some insights into distributed systems Some systems architecture exposure Performance engineering exposure Mentoring ...

Python Developer

Hiring Organisation
SearchWorks
Location
Peterborough, Cambridgeshire, UK
Employment Type
Full-time
continue building the product. This is a product engineering role (not consultancy) What you'll be doing Architecting the backbone of revolutionary AI systems Create backend systems that deliver sub second response times Help to guide and mentor an extremely strong team of engineers Help to create robust … scalable platforms to process commercial claims faster than every before. What they're looking for Expert Python skills with proven experience building high performing systems 8+ years of backend engineering experience, ideally with some insights into distributed systems Some systems architecture exposure Performance engineering exposure Mentoring ...

Senior Backend Developer (.NET | AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs autonomous systems that plan, build, and operate security awareness and human risk workflows, supported by strong guardrails and observability. We're looking for a Senior Backend Developer who wants … build production-grade backend services that power these systems, working in a multinational, AI-first engineering team where quality, ownership, and long-term thinking matter. What You'll Do Design, build, and maintain scalable backend services for Keepnet's Human Risk Management platform. Build clean, modular APIs that integrate ...

LLM Software Engineer

Hiring Organisation
microTECH Global LTD
Location
Cambridge, England, United Kingdom
building software tools and agentic applications that leverage our AI hardware and large language models. We need software engineers who can design scalable backend systems and integrate advanced LLM capabilities. Qualifications Ability to collaborate effectively within a team and work on-site Strong problem-solving skills and attention … Master’s degree in Computer Science or related field Experience in LLM-related software development is a plus Key responsibilities Design, build and deploy distributed systems and AI agents that leverage LLMs and retrieval‐augmented generation (RAG) to provide contextual, reasoning‐based capabilities. Develop cloud‐native microservices ...

Senior Network Engineer

Hiring Organisation
Couch Heroes
Location
Bedford, Bedfordshire, UK
Employment Type
Full-time
dies on the quality of its networking layer. We need a Senior Network Engineer who can build the server infrastructure, networking architecture, and online systems that allow thousands of players to share a seamless, responsive world. You will report to the CTO and work closely with gameplay engineers, backend … developers, and DevOps to design and implement the server architecture, replication systems, and online services that underpin the entire game experience. We are in early production. The studio has been running for three years, and server architecture, zone streaming, player session management, and replication models are still being designed. ...

Senior Network Engineer

Hiring Organisation
Couch Heroes
Location
Norwich, Norfolk, UK
Employment Type
Full-time
dies on the quality of its networking layer. We need a Senior Network Engineer who can build the server infrastructure, networking architecture, and online systems that allow thousands of players to share a seamless, responsive world. You will report to the CTO and work closely with gameplay engineers, backend … developers, and DevOps to design and implement the server architecture, replication systems, and online services that underpin the entire game experience. We are in early production. The studio has been running for three years, and server architecture, zone streaming, player session management, and replication models are still being designed. ...

Senior Network Engineer

Hiring Organisation
Couch Heroes
Location
Peterborough, Cambridgeshire, UK
Employment Type
Full-time
dies on the quality of its networking layer. We need a Senior Network Engineer who can build the server infrastructure, networking architecture, and online systems that allow thousands of players to share a seamless, responsive world. You will report to the CTO and work closely with gameplay engineers, backend … developers, and DevOps to design and implement the server architecture, replication systems, and online services that underpin the entire game experience. We are in early production. The studio has been running for three years, and server architecture, zone streaming, player session management, and replication models are still being designed. ...

DeFi Developer

Hiring Organisation
Harrington Starr
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
rollup execution Requirements: • Advanced degree in a quantitative field • 2+ years strong Rust and Solidity • Experience building low-latency, high-throughput trading or onchain systems • Strong distributed systems knowledge • Comfortable across Linux, AWS, Docker, Git High ownership. Close collaboration with founders. Real impact on live DeFi infrastructure. ...

DeFi Developer

Hiring Organisation
Harrington Starr
Location
Basildon, Essex, UK
Employment Type
Full-time
rollup execution Requirements: • Advanced degree in a quantitative field • 2+ years strong Rust and Solidity • Experience building low-latency, high-throughput trading or onchain systems • Strong distributed systems knowledge • Comfortable across Linux, AWS, Docker, Git High ownership. Close collaboration with founders. Real impact on live DeFi infrastructure. ...

DeFi Developer

Hiring Organisation
Harrington Starr
Location
Ipswich, Suffolk, UK
Employment Type
Full-time
rollup execution Requirements: • Advanced degree in a quantitative field • 2+ years strong Rust and Solidity • Experience building low-latency, high-throughput trading or onchain systems • Strong distributed systems knowledge • Comfortable across Linux, AWS, Docker, Git High ownership. Close collaboration with founders. Real impact on live DeFi infrastructure. ...

DeFi Developer

Hiring Organisation
Harrington Starr
Location
Peterborough, Cambridgeshire, UK
Employment Type
Full-time
rollup execution Requirements: • Advanced degree in a quantitative field • 2+ years strong Rust and Solidity • Experience building low-latency, high-throughput trading or onchain systems • Strong distributed systems knowledge • Comfortable across Linux, AWS, Docker, Git High ownership. Close collaboration with founders. Real impact on live DeFi infrastructure. ...

DeFi Developer

Hiring Organisation
Harrington Starr
Location
Norwich, Norfolk, UK
Employment Type
Full-time
rollup execution Requirements: • Advanced degree in a quantitative field • 2+ years strong Rust and Solidity • Experience building low-latency, high-throughput trading or onchain systems • Strong distributed systems knowledge • Comfortable across Linux, AWS, Docker, Git High ownership. Close collaboration with founders. Real impact on live DeFi infrastructure. ...

Scala Developer

Hiring Organisation
Sky
Location
Romford, Essex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
here at Sky. What you'll do Design and implement scalable APIs and backend services, primarily in Scala, to integrate ML models into production systems and deliver personalised experiences. Real time data processing and gRPC microservices (Typelevel stack). Take end-to-end ownership of services, from development … skills with experience in Scala, ideally the typelevel stack (bonus if you have exposure to Golang and Python). Interest in machine learning, personalisation systems and cloud technology - even if you haven't worked extensively in ML before. Demonstrated experience designing, implementing, deploying, and maintaining production-grade APIs ...

Scala Software Engineer

Hiring Organisation
Sky
Location
Dagenham, Essex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
here at Sky. What you'll do Design and implement scalable APIs and backend services, primarily in Scala, to integrate ML models into production systems and deliver personalised experiences. Real time data processing and gRPC microservices (Typelevel stack). Take end-to-end ownership of services, from development … skills with experience in Scala, ideally the typelevel stack (bonus if you have exposure to Golang and Python). Interest in machine learning, personalisation systems and cloud technology - even if you haven't worked extensively in ML before. Demonstrated experience designing, implementing, deploying, and maintaining production-grade APIs ...