1,126 to 1,150 of 2,072 Open Source Jobs in the UK

Remote C++ Software Engineer

Hiring Organisation
Reactive Markets
Location
Clydebank, West Dunbartonshire, UK
Employment Type
Full-time
platform means being there when it matters. What You'll Work On Modern C++20 and Go on Linux — a modern software stack based on open source Cloud-native infrastructure on AWS with colocation in key data centres Microsecond-level latency optimisation and high-throughput messaging Market-data ...

Remote C++ Software Engineer

Hiring Organisation
Reactive Markets
Location
Peebles, Scottish Borders, UK
Employment Type
Full-time
platform means being there when it matters. What You'll Work On Modern C++20 and Go on Linux — a modern software stack based on open source Cloud-native infrastructure on AWS with colocation in key data centres Microsecond-level latency optimisation and high-throughput messaging Market-data ...

Remote C++ Software Engineer

Hiring Organisation
Reactive Markets
Location
St Andrews, Fife, UK
Employment Type
Full-time
platform means being there when it matters. What You'll Work On Modern C++20 and Go on Linux — a modern software stack based on open source Cloud-native infrastructure on AWS with colocation in key data centres Microsecond-level latency optimisation and high-throughput messaging Market-data ...

Remote C++ Software Engineer

Hiring Organisation
Reactive Markets
Location
Gretna, Dumfries & Galloway, UK
Employment Type
Full-time
platform means being there when it matters. What You'll Work On Modern C++20 and Go on Linux — a modern software stack based on open source Cloud-native infrastructure on AWS with colocation in key data centres Microsecond-level latency optimisation and high-throughput messaging Market-data ...

Remote C++ Software Engineer

Hiring Organisation
Reactive Markets
Location
Enniskillen, Co. Fermanagh, UK
Employment Type
Full-time
platform means being there when it matters. What You'll Work On Modern C++20 and Go on Linux — a modern software stack based on open source Cloud-native infrastructure on AWS with colocation in key data centres Microsecond-level latency optimisation and high-throughput messaging Market-data ...

Remote C++ Software Engineer

Hiring Organisation
Reactive Markets
Location
Lanark, South Lanarkshire, UK
Employment Type
Full-time
platform means being there when it matters. What You'll Work On Modern C++20 and Go on Linux — a modern software stack based on open source Cloud-native infrastructure on AWS with colocation in key data centres Microsecond-level latency optimisation and high-throughput messaging Market-data ...

Senior Java Software Engineer

Location
Wakefield, England, United Kingdom
able to apply it quickly; the expectation is continuous improvement, and you take that seriously Evidence of intellectual curiosity beyond coursework: personal projects, open source contributions, self-directed learning in AI or systems engineering Product Mindset You engage with the problem before you engage with the solution ...

Remote C++ Software Engineer

Hiring Organisation
Reactive Markets
Location
Bathgate, West Lothian, UK
platform means being there when it matters. What You'll Work On Modern C++20 and Go on Linux — a modern software stack based on open source Cloud-native infrastructure on AWS with colocation in key data centres Microsecond-level latency optimisation and high-throughput messaging Market-data ...

Remote C++ Software Engineer

Hiring Organisation
Reactive Markets
Location
Chester Le Street, County Durham, UK
Employment Type
Full-time
platform means being there when it matters. What You'll Work On Modern C++20 and Go on Linux — a modern software stack based on open source Cloud-native infrastructure on AWS with colocation in key data centres Microsecond-level latency optimisation and high-throughput messaging Market-data ...

Automation Assurance Specialist - Consultant - AI & Digital Factory

Location
Greater London, England, United Kingdom
experimenting with and learning new technologiesEncourage innovation, inclusion, teamwork, self-organisation, and diversityWork with clients and internal teams to develop new opportunities and open-source projects and initiativesAs part of your role, you will also have the opportunity to contribute to the business and your own personal growth ...

Senior Incident Response Consultant 2

Location
Oxford, England, United Kingdom
management of high‐profile security incidents, threat hunting and analysis, web application security, penetration testing, leading red and/or blue teaming exercises, and open‐source intelligence (OSINT). This role requires a logical, pragmatic, meticulous, analytical, and authoritative person who is highly skilled in managing technical teams ...

Staff Software Engineer, Platform Infrastructure

Location
Greater London, England, United Kingdom
companies run Apache Airflow at scale. Our R&D organization is home to some of the most innovative minds in cloud infrastructure and open-source software. You can’t spell “Data Orchestration” without “Data”, and we’re looking to add a world-class Staff+ level engineer … platform works. Make build vs. buy assessments, and advocate for the right tools for the right job when it comes to data. Garage Door Open : Create and maintain comprehensive internal documentation and decision records for systems and processes, ensuring clarity and accessibility. Participate in Architectural forums and discussion ...

Junior Python Engineer – Mongo

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
heart of what they do providing substantial opportunities for transformation via funding for small businesses. The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This … serious money doing something you are passionate about. Development is agile and fast paced. As requirements evolve you will leverage the best of the open source community, sometimes substituting your own solutions where greater performance is needed. You will be encouraged to evangelise and prototype new technologies ...

Research Software Engineer

Location
Greater London, England, United Kingdom
Self-starter, low-ego, collaborative, high-energy. Nice-to-haves Exposure to ML workloads or data-processing pipelines. Experience with GPU clusters or CUDA. Open-source contributions or widely used internal tools. Location and Remote This role is primarily based at one of our European offices (Paris, Warsaw … Zurich and London). We will prioritize candidates who either reside there or are open to relocating. We strongly believe in the value of in-person collaboration to foster strong relationships and seamless communication within our team. In certain specific situations, we will also consider remote candidates based ...

Network Automation & OSS Designer

Location
Greater London, England, United Kingdom
patterns for northbound and southbound APIs, resource-facing interfaces, and event‐driven message exchanges. Ensure solutions align with industry standards such as TM Forum Open APIs (TMF), IETF, ONF, ETSI NFV, and 3GPP. Produce solution design artifacts including High‐Level Designs (HLD), Low‐Level Designs (LLD), interface control documents … driving consensus and sign‐off. Guide and mentor development teams on best practices for network automation and cloud‐native OSS development. Evaluate and recommend open‐source tools, frameworks, and vendor solutions relevant to network automation. Contribute to OSS community, standards bodies, and internal knowledge repositories. Required Skills & Experience ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Glasgow, UK
that combine telemetry, infrastructure state, operational knowledge, and historical incidents to help agents make better decisions. Integrate with observability, incident management, ticketing, fleet inventory, source control, chat, and internal infrastructure systems through well-designed APIs. Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations. … improving the quality and reliability of LLM-powered systems About Together AI Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
London, UK
that combine telemetry, infrastructure state, operational knowledge, and historical incidents to help agents make better decisions. Integrate with observability, incident management, ticketing, fleet inventory, source control, chat, and internal infrastructure systems through well-designed APIs. Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations. … improving the quality and reliability of LLM-powered systems About Together AI Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Cambridge, Cambridgeshire, UK
that combine telemetry, infrastructure state, operational knowledge, and historical incidents to help agents make better decisions. Integrate with observability, incident management, ticketing, fleet inventory, source control, chat, and internal infrastructure systems through well-designed APIs. Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations. … improving the quality and reliability of LLM-powered systems About Together AI Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Dolgellau, Gwynedd, UK
that combine telemetry, infrastructure state, operational knowledge, and historical incidents to help agents make better decisions. Integrate with observability, incident management, ticketing, fleet inventory, source control, chat, and internal infrastructure systems through well-designed APIs. Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations. … improving the quality and reliability of LLM-powered systems About Together AI Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Cheltenham, Gloucestershire, UK
that combine telemetry, infrastructure state, operational knowledge, and historical incidents to help agents make better decisions. Integrate with observability, incident management, ticketing, fleet inventory, source control, chat, and internal infrastructure systems through well-designed APIs. Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations. … improving the quality and reliability of LLM-powered systems About Together AI Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Monmouth, Monmouthshire, UK
that combine telemetry, infrastructure state, operational knowledge, and historical incidents to help agents make better decisions. Integrate with observability, incident management, ticketing, fleet inventory, source control, chat, and internal infrastructure systems through well-designed APIs. Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations. … improving the quality and reliability of LLM-powered systems About Together AI Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Bicester, Oxfordshire, UK
that combine telemetry, infrastructure state, operational knowledge, and historical incidents to help agents make better decisions. Integrate with observability, incident management, ticketing, fleet inventory, source control, chat, and internal infrastructure systems through well-designed APIs. Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations. … improving the quality and reliability of LLM-powered systems About Together AI Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Deal, Kent, UK
that combine telemetry, infrastructure state, operational knowledge, and historical incidents to help agents make better decisions. Integrate with observability, incident management, ticketing, fleet inventory, source control, chat, and internal infrastructure systems through well-designed APIs. Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations. … improving the quality and reliability of LLM-powered systems About Together AI Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Lichfield, Staffordshire, UK
that combine telemetry, infrastructure state, operational knowledge, and historical incidents to help agents make better decisions. Integrate with observability, incident management, ticketing, fleet inventory, source control, chat, and internal infrastructure systems through well-designed APIs. Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations. … improving the quality and reliability of LLM-powered systems About Together AI Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Elgin, Moray, UK
that combine telemetry, infrastructure state, operational knowledge, and historical incidents to help agents make better decisions. Integrate with observability, incident management, ticketing, fleet inventory, source control, chat, and internal infrastructure systems through well-designed APIs. Own services end to end, including architecture, implementation, testing, deployment, observability, and production operations. … improving the quality and reliability of LLM-powered systems About Together AI Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower ...