Remote Open Source Jobs in the South East

1 to 25 of 501 Remote Open Source Jobs in the South East

DevOps AI Engineer- £750PD- Remote

London, South East, England, United Kingdom
Hybrid / WFH Options
Tenth Revolution Group
skills, with the ability to guide small, inexperienced client teams in a collaborative yet authoritative manner. You will play a key role in shaping and delivering solutions built on open-source technologies, data pipelines, vector stores, and Generative AI (GenAI) capabilities, with an emphasis on integrating Large Language Models (LLMs). Key Responsibilities Leadership & Collaboration: Lead and mentor … non-technical audiences. Build strong relationships with client stakeholders, ensuring alignment on objectives and expectations. Technical Delivery: Design, implement, and document end-to-end data and GenAI solutions using open-source and cloud-based components. Develop and maintain data pipelines, vector databases, and LLM integrations. Configure and optimize solutions on Microsoft Azure Cloud. Ensure adherence to best practices … Required Skills & Experience Proven ability to lead small technical or client teams. Excellent communication and presentation skills. Strong team player with a collaborative, mentoring mindset. Hands-on experience with open-source technologies across front-end and back-end systems. Proficiency in data pipelines, vector stores, and Generative AI/LLM implementations. Working knowledge of Microsoft Azure Cloud services More ❯
Employment Type: Contractor
Rate: £700 - £800 per day
Posted:

Full Stack Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Higher - AI recruitment
Founded in 2023, the company has already secured significant early-stage funding, including a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, Generative AI, and reinforcement … or equivalent experience 5+ years of experience working with cross-functional software development teams Experience shipping and iterating on production-grade software components professionally and/or in the open-source community Ability to write robust, well tested, and well-designed code that frequently gets deployed to users Strong understanding of product development and navigating large codebases Located … in London/Paris and open to working in office Tech Stack: Python FastAPI Typescript + React Open source LLMs On premise deployments Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months fully paid parental leave 25 days holiday + bonus days for company closure Subsidised lunches More ❯
Posted:

Full Stack Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Higher - AI recruitment
Founded in 2023, the company has already secured significant early-stage funding, including a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, Generative AI, and reinforcement … or equivalent experience 5+ years of experience working with cross-functional software development teams Experience shipping and iterating on production-grade software components professionally and/or in the open-source community Ability to write robust, well tested, and well-designed code that frequently gets deployed to users Strong understanding of product development and navigating large codebases Located … in London/Paris and open to working in office Tech Stack: Python FastAPI Typescript + React Open source LLMs On premise deployments Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months fully paid parental leave 25 days holiday + bonus days for company closure Subsidised lunches More ❯
Posted:

Full Stack Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
Higher - AI recruitment
Founded in 2023, the company has already secured significant early-stage funding, including a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, Generative AI, and reinforcement … or equivalent experience 5+ years of experience working with cross-functional software development teams Experience shipping and iterating on production-grade software components professionally and/or in the open-source community Ability to write robust, well tested, and well-designed code that frequently gets deployed to users Strong understanding of product development and navigating large codebases Located … in London/Paris and open to working in office Tech Stack: Python FastAPI Typescript + React Open source LLMs On premise deployments Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months fully paid parental leave 25 days holiday + bonus days for company closure Subsidised lunches More ❯
Posted:

AI Practitioner

South East London, London, United Kingdom
Hybrid / WFH Options
Profile 29
use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building meaningful missions. More ❯
Employment Type: Permanent, Work From Home
Salary: £75,000
Posted:

Agentic AI Consultant

South East London, London, United Kingdom
Hybrid / WFH Options
Profile 29
use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building meaningful missions. More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

AI Practitioner

London, South East, England, United Kingdom
Hybrid / WFH Options
Profile 29
use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation they’re building meaningful More ❯
Employment Type: Full-Time
Salary: £65,000 - £75,000 per annum
Posted:

Agentic AI Consultant

London, South East, England, United Kingdom
Hybrid / WFH Options
Profile 29
use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation they’re building meaningful More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

Senior Full Stack Software Engineer - Series A FinTech

london, south east england, united kingdom
Hybrid / WFH Options
Bondaval
join a fast-growing, well-funded fintech and be part of our journey as we continue to develop and scale our distributed financial risk platform. We have multiple roles open and this would suit either a mid/senior-level engineer looking for a new challenge, or a senior engineer looking to move into a technical lead role. Location … improve CI/CD pipelines and infrastructure (AWS, Ansible, GitHub Actions). Write clean, maintainable, and well-tested code. Mentor team members and share knowledge across disciplines. Contribute to open-source libraries and research where relevant. Demonstrate a strong understanding of BondAval’s ethos and values in your work. Actively seek to understand the business, product, and our … databases (Postgres) and NoSQL databases (MongoDB, Redis, Cassandra). Experience with RESTful API design and integration. Familiarity with front-end frameworks (VueJS, React, or Angular). Good knowledge of source control (Git) and CI/CD tools. Understanding of infrastructure and deployment (AWS, Ansible, Kubernetes). Architectural skills and experience with microservices. A genuine interest in AI and LLMs More ❯
Posted:

Senior Full Stack Software Engineer - Series A FinTech

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Bondaval
join a fast-growing, well-funded fintech and be part of our journey as we continue to develop and scale our distributed financial risk platform. We have multiple roles open and this would suit either a mid/senior-level engineer looking for a new challenge, or a senior engineer looking to move into a technical lead role. Location … improve CI/CD pipelines and infrastructure (AWS, Ansible, GitHub Actions). Write clean, maintainable, and well-tested code. Mentor team members and share knowledge across disciplines. Contribute to open-source libraries and research where relevant. Demonstrate a strong understanding of BondAval’s ethos and values in your work. Actively seek to understand the business, product, and our … databases (Postgres) and NoSQL databases (MongoDB, Redis, Cassandra). Experience with RESTful API design and integration. Familiarity with front-end frameworks (VueJS, React, or Angular). Good knowledge of source control (Git) and CI/CD tools. Understanding of infrastructure and deployment (AWS, Ansible, Kubernetes). Architectural skills and experience with microservices. A genuine interest in AI and LLMs More ❯
Posted:

Java Engineer

South East London, London, United Kingdom
Hybrid / WFH Options
Profile 29
Experience integrating process automation with case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building More ❯
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

Java Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Profile 29
Experience integrating process automation with case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation they’re More ❯
Employment Type: Full-Time
Salary: £35,000 - £65,000 per annum
Posted:

Java / Camunda Engineer

South East London, London, United Kingdom
Hybrid / WFH Options
Profile 29
Experience integrating process automation with case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building More ❯
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

Java / Camunda Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Profile 29
Experience integrating process automation with case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation they’re More ❯
Employment Type: Full-Time
Salary: £35,000 - £65,000 per annum
Posted:

iPaaS Platform & Integration Engineer

Bletchley, Buckinghamshire, United Kingdom
Hybrid / WFH Options
Informed Recruitment
and supporting systems and platform integrations. An excellent understanding of a wide range of integration strategies and techniques across a diverse mix of technology environments and architectures, from fully open source/bespoke environments through to fully proprietary, Enterprise and COTS-based. Strong scripting/programming skills - SQL essential, others such as Python, Java/JavaScript, C# very More ❯
Employment Type: Permanent
Salary: GBP 50,000 - 65,000 Annual
Posted:

Integration Development & Support Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Informed Recruitment LTD
and supporting systems and platform integrations. An excellent understanding of a wide range of integration strategies and techniques across a diverse mix of technology environments and architectures, from fully open source/bespoke environments through to fully proprietary, Enterprise and COTS-based. Strong scripting/programming skills - SQL essential, others such as Python, Java/JavaScript, C# very More ❯
Employment Type: Full-Time
Salary: £50,000 - £65,000 per annum
Posted:

iPaaS Platform & Integration Engineer

Bletchley, Milton Keynes, Buckinghamshire, England, United Kingdom
Hybrid / WFH Options
Informed Recruitment LTD
and supporting systems and platform integrations. An excellent understanding of a wide range of integration strategies and techniques across a diverse mix of technology environments and architectures, from fully open source/bespoke environments through to fully proprietary, Enterprise and COTS-based. Strong scripting/programming skills - SQL essential, others such as Python, Java/JavaScript, C# very More ❯
Employment Type: Full-Time
Salary: £50,000 - £65,000 per annum, Negotiable, Inc benefits
Posted:

Senior Go Developer

london, south east england, united kingdom
Hybrid / WFH Options
Fruition Group
scale, data-driven applications Product-focused approach, ideally within fast-paced tech organisations (start-ups or scale-ups) Knowledge of Kafka, Cassandra, gRPC, and microservices is a strong advantage Open-source contributions are beneficial If you’re a Senior Go Developer looking for a challenging 6-month contract with a forward-thinking tech company, apply today. We are More ❯
Posted:

Senior Go Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Fruition Group
scale, data-driven applications Product-focused approach, ideally within fast-paced tech organisations (start-ups or scale-ups) Knowledge of Kafka, Cassandra, gRPC, and microservices is a strong advantage Open-source contributions are beneficial If you’re a Senior Go Developer looking for a challenging 6-month contract with a forward-thinking tech company, apply today. We are More ❯
Posted:

DevOps Engineer

london, south east england, united kingdom
Hybrid / WFH Options
microTECH Global LTD
Experience in MLOps/LLMOps (MLflow, Kubeflow, Weights & Biases, experiment tracking). Exposure to video processing, compression, or neural rendering pipelines. Knowledge of FPGA/embedded deployment Contributions to open-source GPU/ML/DevOps projects. If this sounds of interest, please apply or reach out to daniel@microtech-global.com for more information More ❯
Posted:

DevOps Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
microTECH Global LTD
Experience in MLOps/LLMOps (MLflow, Kubeflow, Weights & Biases, experiment tracking). Exposure to video processing, compression, or neural rendering pipelines. Knowledge of FPGA/embedded deployment Contributions to open-source GPU/ML/DevOps projects. If this sounds of interest, please apply or reach out to daniel@microtech-global.com for more information More ❯
Posted:

Senior Platform Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Fruition Group
logging) Confident debugging and resolving issues in complex distributed systems Product-oriented mindset with a collaborative approach to improving developer experience Bonus: experience with Kafka, gRPC, or contributing to open-source projects If you’re a Senior Platform Engineer who thrives on building tools and systems that empower developers and accelerate delivery, apply today. The client is looking More ❯
Posted:

Senior Platform Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
Fruition Group
logging) Confident debugging and resolving issues in complex distributed systems Product-oriented mindset with a collaborative approach to improving developer experience Bonus: experience with Kafka, gRPC, or contributing to open-source projects If you’re a Senior Platform Engineer who thrives on building tools and systems that empower developers and accelerate delivery, apply today. The client is looking More ❯
Posted:

Senior Platform Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Fruition Group
logging) Confident debugging and resolving issues in complex distributed systems Product-oriented mindset with a collaborative approach to improving developer experience Bonus: experience with Kafka, gRPC, or contributing to open-source projects If you’re a Senior Platform Engineer who thrives on building tools and systems that empower developers and accelerate delivery, apply today. The client is looking More ❯
Posted:

Principal Test Automation Consultant

South East London, London, United Kingdom
Hybrid / WFH Options
TEN10 SOLUTIONS LIMITED
your team to success and leading by example. What Youll Be Doing Design and Develop: Build and support automation or performance test frameworks using the most appropriate solutions. Whether open source or commercial, or a combination . Collaborate with Clients: Work closely with clients to understand their requirements and create tailored QA strategies. Provide Expert Insights: Conduct technical More ❯
Employment Type: Permanent, Work From Home
Posted:
Open Source
the South East
10th Percentile
£50,375
25th Percentile
£52,145
Median
£67,500
75th Percentile
£73,750
90th Percentile
£85,700