15 of 15 Permanent Open Source Jobs in the South East

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
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) Other Stuff NB: Please only apply if you have resided ...

Principle Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
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) Other Stuff NB: Please only apply if you have resided ...

AI Architect

Hiring Organisation
Vermillion Analytics
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£400 per day
certifications (Solutions Architect Pro, ML Specialty, AI Practitioner) Exposure to regulated industries — BFSI, Healthcare, Pharma, Telecom Experience with knowledge graphs, multimodal AI, or open-source contributions in AI/ML Interested? Send your ...

Software Engineer - Pensions & Actuarial Solutions

Hiring Organisation
Proactive Appointments
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
workflow automation, systems integration or data engineering. Experience with cloud technologies and modern software architectures. Understanding of pensions administration or actuarial processes. Personal projects, open-source contributions or a strong interest in AI and emerging technologies. What's On Offer Salary up to £60,000. Discretionary bonus scheme. ...

Full Stack Engineer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
event-driven architectures Strong understanding of software development best practices Desirable: Financial services or trading systems experience Messaging technologies (AMQP, Solace, Pub/Sub) Open-source contributions Regulatory project experience This is an excellent opportunity for an engineer looking to work on large-scale, business-critical systems while ...

Senior Developer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
Redhill, Surrey, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum
Senior Developer to lead and work as part of a team in the system design/development processes. You will be using bespoke and open-source software, primarily Linux based to bring additional value to their in-house and customer solutions. In co-ordination with the Head ...

Software Engineer - AI & Business Solutions

Hiring Organisation
Proactive Appointments
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £60,000 per annum
process improvement initiatives. Exposure to systems integration, data engineering, business intelligence or cloud platforms. Consulting, business analysis or solution design experience. Personal projects, open-source contributions or experimentation with AI. What’s On Offer £40,000–£60,000 salary depending on experience. Discretionary bonus scheme. Remote or hybrid ...

Technology Lead, AI Lab

Hiring Organisation
167 Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£150,000 - £200,000 per annum
pipelines using vector databases, embeddings, and enterprise data sources Develop agent-based workflows, orchestration layers, and multi-step reasoning systems Work extensively with open-source and commercial LLM ecosystems, including Hugging Face models and tooling Implement prompt engineering, evaluation frameworks, and performance optimisation strategies Architect secure, scalable GenAI ...

Cloud Architect- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £120,000 per annum, Negotiable
commute to London.- Experience as a hands-on cloud architect CLOUD ARCHITECT ESSENTIAL SKILLS- Expertise in delivering AWS Cloud native solutions- Background in Open-source technologies and frameworks- Experience with micro-service based architectures- Experience working with structured architecture approaches (TOGAF or SAFe)- Leadership and stakeholder management experience ...

Lead AI Architect

Hiring Organisation
MicroTECH Global Ltd
Location
Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£119,000 - £120,000 per annum
represented, how workflows are verified, and how complex AI systems can be made reliable enough for real-world use. Qualifications and Portfolio Mature open-source contributions AND/OR.Portfolio projects related to agentic AI, LLM systems, knowledge-based AI, neuro-symbolic reasoning. Experience building AI systems in domains ...

Senior DevOps Engineer

Hiring Organisation
Morgan McKinley
Location
Oxford, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
message queues Securing infrastructure, applications, and data in a hybrid cloud environment Designing and maintaining robust CI/CD Automation pipelines Implementation of open-source standards for observability (e.g., OpenTelemetry ) Strong troubleshooting, analytical, and system-debugging skills Desired Skills We are also keen to discuss experience in: FinOps ...

Junior Intelligence Consultant

Hiring Organisation
BrighterBox
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£31,000 - £35,000 per annum
Experience with SaaS platforms or client delivery work Working with data or analytics Interest in Regtech, AI or risk intelligence Any familiarity with open-source research or due diligence Interview process: Initial interview - focused on motivations and communication style (virtual or in person) Timed remote task - testing your ...

Senior Data Fabric Engineer

Hiring Organisation
FBI &TMT
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
security and governance Job Requirements: Extensive experience as a data/platform engineer working on distributed systems in production Proven hands-on experience with open-source data integration and streaming technologies Experience enabling workflow automation for technical users Strong grasp of data modelling fundamentals, data contracts, and schema ...

Associate Data Fabric Engineer

Hiring Organisation
FBI &TMT
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£50,000
policy-based security and governance Job Requirements: Experience as a data/platform engineer working on distributed systems in production Hands-on experience with open-source data integration and streaming technologies Experience in enabling workflow automation for technical users Strong understanding of data modelling fundamentals, data contracts ...

Remote Researcher (Global)

Hiring Organisation
IT Search & Select
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £45,000 per annum
miss You can work independently and deliver clear, structured outputs You write confidently in English You’re comfortable using LinkedIn, GitHub, company registries, and open-source intelligence tools Bonus Skills Experience in recruitment research, sourcing, or market mapping Understanding of tech roles (software, cloud, cyber, data, quant, etc. ...