51 to 75 of 169 Open Source Jobs in the UK

Principal Automation Test Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
success and leading by example. You will: 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. ...

Software Engineer

Hiring Organisation
Appcast
Location
Manchester, UK
test, automation, etc.)Innovation Research projects, including prototyping, to explore future opportunities.Investigate new technologies.Optimise the development process through use of automation, in-house and open source solutions.Self Development and GrowthDevelop new skills by working with other members of the team.Be a self-starter and use your own initiative … themselvesProblem solving - recognition of problems and recasting difficult-to-solve problems in order to find unique and innovative solutionsIntegrity - honest and transparent in dealing, open to voice and accept criticism, is trustworthy and builds credibility through actionsDetail focussed - pays attention to the details and can make a conscious effort ...

Backend Software Engineer - Infrastructure

Hiring Organisation
Appcast
Location
London, UK
development process, helping to refine and enhance our products.Core Responsibilities Building a performant search and indexing ecosystem for complex granularly permissioned dataContributing to open-source data processing libraries, integrating the latest innovations to achieve performance gainsBuilding the distributed systems that power large scale compute workloads, orchestrating and efficiently … operations of complex distributed systems like Cassandra, Elasticsearch, Kafka, and more across different environmentsTechnologies We UseDifferent backend languages, including Java, Rust, and GoOpen-source technologies like Cassandra, ElasticSearch, Spark, Kafka, Kubernetes, FlinkIndustry-standard build tooling, including Gradle and GitHubWhat We ValueDemonstrated ability to collaborate and empathise with a variety ...

Security Engineer

Hiring Organisation
Precise Placements
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£70,000 - £85,000 per annum
detection accuracy Assess SIEM architecture and recommend improvements across ingestion, parsing, correlation, and storage Implement automation and orchestration (SOAR) to streamline security operations Log Source Onboarding & Integration Identify and onboard log sources across cloud, network, endpoint, identity, and application layers Develop custom parsers, connectors, and ingestion workflows Collaborate with … Data Loss Prevention (DLP) Network security and secure remote access solutions Cloud and software-defined environments (SaaS, IaaS, PaaS, DaaS) Cyber threat intelligence and open-source intelligence tools Disaster recovery and business continuity planning Knowledge of data privacy regulations Additional Information Some out-of-hours work ...

AI Solution Architect - Senior Manager/Associate Director Capital Markets

Hiring Organisation
Datatech Analytics
Location
London, United Kingdom
Employment Type
Permanent
containerised and GPU enabled environments Supporting AI implementation programmes from proof of concept through to enterprise deployment and optimisation Evaluating and selecting technologies across open source and commercial platforms Designing and integrating AI solutions into existing enterprise systems and applications Working with AI Engineers, Data Scientists and technical ...

Principal Software Engineer

Hiring Organisation
Profile 29
Location
United Kingdom
Employment Type
Permanent
Salary
£90,000
level React Native or equivalent building native mobile from a React codebase Design system or component library ownership Consultancy or client-facing delivery background Open-source contributions, conference talks, or published technical writing Polyglot beyond Java Other Stuff NB: for non-UK Citizens; we cannot accept applications from ...

Principal Java Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
level React Native or equivalent building native mobile from a React codebase Design system or component library ownership Consultancy or client-facing delivery background Open-source contributions, conference talks, or published technical writing Polyglot beyond Java Other Stuff NB: for non-UK Citizens; we cannot accept applications from ...

Principal Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
level React Native or equivalent building native mobile from a React codebase Design system or component library ownership Consultancy or client-facing delivery background Open-source contributions, conference talks, or published technical writing Polyglot beyond Java Other Stuff NB: for non-UK Citizens; we cannot accept applications from ...

Principal Statistical Programmer

Hiring Organisation
Appcast
Location
Durham, County Durham, UK
improve programming productivity and automation.Familiarity with modern software engineering practices, including Git-based workflows, reusable frameworks, and automation pipelines.Experience with R, Python, and open-source analytics tools within regulated clinical development environments.Experience contributing to standards development, process improvement, or digital transformation initiatives.Knowledge of Agile delivery methodologies and collaborative … communities worldwide. We are deeply committed to:Patient Focus – Always putting the needs of those living with HIV first. Transparency, Respect, and Integrity – Maintaining open communication, mutual respect, and a high ethical standard in everything we do. Courage and Accountability – Demonstrating bold leadership by making agile, evidence-based decisions ...

Linux Systems Engineer

Hiring Organisation
Becrypt
Location
London, United Kingdom
Employment Type
Permanent
Purpose: We are seeking an innovative and dynamic Linux Systems Engineer to help shape the next generation of secure endpoint solutions. This role is open to enthusiastic engineers ready to tackle complex challenges in a fast moving environment. You will work at the intersection of Linux internals, networking … level or performance-critical development. Experience with containerisation (Docker, Kubernetes). Familiarity with endpoint security, intrusion detection, or system hardening. Contributions to Linux or open-source projects. Experience with debugging, profiling, or performance optimisation tools. Why Join Us: Shape the future of secure endpoint technology. Work on high ...

Senior Product Security Engineer

Hiring Organisation
Appcast
Location
London, UK
uncovered weakness in designs, implementations, integrations, and processesIntegrates and matures Product Securitys suite of tooling thought Anduril’s products.Conducts security assessments including architecture review, source code analysis, configuration auditing, and adversarial testingRequirements:Proficient with one or more programming languages (e.g. C/C++, Golang, Rust, Python)Experience assessing security … third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources. This third-party service provider does not act as a consumer reporting agency. Use of this provider helps ...

Senior Linux Engineer

Hiring Organisation
Summer Browning Associates
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Contract
Contract Rate
£0.00 - £1/day Competitive Inside IR35 Day Rate
VMware and Hyper-V. A solid understanding of common services, applications, and protocols, including HTTPS, SSH, DNS, NTP, and SSL. Experience with the open-source automation tool Ansible. Experience working in a cloud infrastructure environment, including AWS, Azure, or GCP. Proficiency in managing Ceph storage or Linux storage ...

Lead Software Engineer

Hiring Organisation
Sanderson Government & Defence
Location
Cheltenham, England, United Kingdom
Principal) to help build and scale secure backend platforms. You’ll work on modern cloud‐based systems using a mix of commercial and opensource technologies across private and public cloud environments. What you’ll be doing Designing, building, deploying and improving backend services and platforms Delivering features ...

Senior Software Engineer

Hiring Organisation
Searchability NS&D
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
Designing, developing and testing bespoke software solutions Working across the full software development lifecycle Developing applications using Java, TypeScript, JavaScript and React Working with open-source libraries, frameworks and components Building and maintaining CI/CD pipelines using tools such as GitLab Deploying applications across AWS, Azure ...

Senior Data Engineer - SC Cleared

Hiring Organisation
Sanderson Government and Defence
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
help build and maintain a secure batch and real-time data platform for a government client. You'll work with modern commercial and open-source tools to ingest, transform, and deliver data to support analytics and decision-making. Build, test, and maintain data pipelines Design logical and physical ...

Full Stack Developer

Hiring Organisation
CMD Recruitment
Location
Melksham, Wiltshire, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum
cost-saving insights and predictive maintenance through robust data engineering and modern software practices. The focus of this role is to integrate existing and open-source software and hardware to deliver these innovative services. This includes building and maintaining automated data pipelines, managing cloud infrastructure and creating digital ...

Senior Software (Java) Engineer

Hiring Organisation
CPS Group (UK) Limited
Location
Nationwide, United Kingdom
Employment Type
Permanent
Salary
£60000 - £65000/annum
full software development lifecycle. Key Responsibilities: * Designing, developing and testing bespoke software solutions in Java, React JavaScript, and TypeScript * Working across a range of open-source technologies and libraries * Developing and maintaining CI/CD pipelines using tools such as GitLab * Deploying applications across AWS * Contributing to architecture ...

Applied AI Product Builder (FDE based in Singapore)

Hiring Organisation
Confidential Career Shoutout
Location
London Area, United Kingdom
them reliably. You can move between customer problems, product decisions and hands-on technical implementation. You can demonstrate working products, repositories, prototypes, publications or open-source contributions. You combine curiosity about frontier AI with discipline around security, reliability, governance, user trust and cost. Global Applicants Applications are welcomed ...

Lead DevOps Engineer

Hiring Organisation
Appcast
Location
Southampton, UK
mixed Linux and Windows environments with Puppet at scaleFamiliarity with puppet-lint, rspec-puppet, and automated Puppet module testing pipelinesUnderstanding of Puppet Enterprise or open-source Puppet Server administrationPowerShell ScriptingProficient PowerShell scripting for Windows Server administration, task automation, and hybrid cloud integrations (AWS Tools for PowerShell, Azure PowerShell ...

Lead Technical Architect (AI)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 76,000 - 85,000 Annual
within UK central government or wider public sector Familiarity with ATRS submissions, HM Treasury Orange Book, or equivalent public-sector risk/assurance frameworks Open-source contributions or active engagement in engineering/AI communities Experience designing for sustainability/Green IT commitments Location and Working Pattern Hybrid ...

Frontend Engineer - Java and Open Source - Private and FS

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
hackajob is partnering directly with Version 1 to hire for this role. Company Description Version 1 has celebrated over 26 years in Technology Services and continues to be trusted by global brands to deliver solutions ...

Senior C Developer

Hiring Organisation
Hackajob Ltd
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
systems, meet the end users and in-country support staff. Essential Requirements Software development in C++ including use of modern standards, third-party/open-source software (e.g. boost), writing for performance, and concurrency techniques Detailed knowledge of Linux development including build systems, tools, compilers, kernel and drivers … experiences strengthens our teams and is vital to the work we do. We welcome applications from all candidates and give full, fair and open consideration to everyone. If you require any reasonable adjustments during the recruitment process, please contact our recruitment team to discuss any further support ...

Senior Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
partnering directly with loveholidays to hire for this role. Why Engineering @loveholidays? At loveholidays - we trailblaze together . We're on a mission to open the world to everyone, giving our customers' unlimited choice, unmatched ease and unmissable value for their next getaway. Our team is the driving force … modern user experience through web and mobile applications For a better understanding of our work, refer to some of our blog posts. Or our open source contributions: github.com/loveholidays/ripley github.com/loveholidays/phrasebook github.com/loveholidays/po-test As part of our tech ...

Linux Engineer

Hiring Organisation
Henderson Scott
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Kubernetes. Advanced scripting skills in Bash and Python. Strong understanding of HTTPS, SSH, DNS, NTP, SSL and related services and protocols. Experience with open-source Ansible automation tooling and systems monitoring for infrastructure. Strong Linux troubleshooting capability up to 4th line level, with demonstrable Agile and DevOps experience ...

Cloud Architect- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £115,000 per annum, Negotiable
commute to Manchester.- 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 ...