751 to 775 of 843 Open Source Jobs in England

Security & Resilience QA Engineer

Location
Brighton, England, United Kingdom
reliability and security. Expect automation, resilience testing, and collaboration with CI/CD teams for seamless releases. We value proactive debugging, reproducible builds, and open-source contributions, with a remote-first culture and occasional Brighton gatherings to align on strategy and trust. #J-18808-Ljbffr ...

Low-Latency Software Developer, Event-Driven Systems

Location
Stoke-on-Trent, England, United Kingdom
services across the full stack, focusing on Golang, TypeScript, React, SQL and Kafka with deployments to GKE. You will contribute to distributed architectures, explore open-source solutions, and collaborate with cross-functional teams in a delivery-driven environment. The role supports a hybrid work-from-home policy ...

AI-First Product Engineer - Hybrid London

Location
Greater London, England, United Kingdom
real product features end-to-end, work with LLMs, agents, and MCP integrations from day one, and ship with ownership while contributing to our open-source ecosystem. A fast-growing, mentorship-rich environment awaits. #J-18808-Ljbffr ...

Android Developer/Bristol or Manchester

Hiring Organisation
iBSC
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 Daily
design knowledge MVVM/MVI, Jetpack (Architecture Components, Compose) SOLID principles, modular codebases Offline storage, threading, performance tuning UI testing, Git, open-source Android libraries Self-motivated, comfortable with stakeholder management and architecting solutions Essentially: a senior Android dev with modern Jetpack/Compose experience ...

Frontend Developer

Location
Greater London, England, United Kingdom
Objectively restore stand-alone markets rather than enterprise-wide products. Uniquely underwhelm best-of-breed mindshare through adaptive niches. Seamlessly parallel task open-source content without resource sucking technology. Job Responsibilities Be involved in every step of the product design cycle from discovery and user acceptance testing. Work ...

Android Developer

Location
West of England, England, United Kingdom
knowledge of Android SDK, Android UI design principles, patterns, and best practices Experience with offline storage, threading, and performance tuning Awesome knowledge of the open-source Android ecosystem and the libraries available for common tasks and benchmarking and optimisation Proficient in Google's Android design principles, interface guidelines ...

Founding Product Engineer

Location
Greater London, England, United Kingdom
good questions, form a view, test quickly, communicate clearly and care whether the work changes outcomes. Evidence of shipped work. Show us professional work, open-source contributions, personal products, research or hackathon results. Roughly 2+ years of experience is useful, but evidence matters more than tenure. #J ...

Frontend Developer

Location
Greater London, England, United Kingdom
Objectively restore stand-alone markets rather than enterprise-wide products. Uniquely underwhelm best-of-breed mindshare through adaptive niches. Seamlessly parallel task open-source content without resource sucking technology. Job Responsibilities Be involved in every step of the product design cycle from discovery and user acceptance testing. Work ...

Cyber Intelligence Director

Location
Greater London, England, United Kingdom
cybersecurity, with a focus on threat intelligence, incident response, and risk management. Significant knowledge and experience in advanced intelligence analysis techniques, security research, and Open-Source Intelligence (OSINT) to proactively identify and assess potential risks. Knowledge of SIEM tools such as Splunk will be beneficial to your ...

Cyber Consultant (SC Cleared)

Hiring Organisation
Morson Edge
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
£70 - 78 per hour
Managing risks and services in accordance with customer, regulatory and legislative expectations. o Experience outside of traditional enterprise IT scenarios extending to proprietary and open-source software, firmware and electronic hardware. o Exposure to product architectures, encapsulating technologies such as electro-optics, radars, lasers. o Exposure to Operational ...

FPGA Engineer

Location
Greater London, England, United Kingdom
with FPGA design tools, specifically Quartus and Vivado.* Familiarity with scripting languages (Python, Tcl).* Comfortable with version control systems (Git).* Comfortable with open-source verification tools (Cocotb, Verilator).**Who You Are:*** Comfortable in a small, fast-moving team.* Willing to adapt to unfamiliar design paradigms. ...

AI-native Product Engineer

Location
Greater London, England, United Kingdom
integrations from day one Learning by shipping: we believe the fastest way to grow is to have real ownership Contributing to our open-source ecosystem Helping shape how a small, high-trust team builds at the frontier of AI About You We care less about your ...

QA / Test Engineer

Location
Brighton, England, United Kingdom
debug and analyse across different platforms. Familiarity with OS-level testing (networking, storage, kernel). Background in security testing or penetration testing. Contributions to open-source QA projects. Experience with reproducible builds and test-driven development. Record of finding critical vulnerabilities before release. Tools & Technologies You’ll thrive ...

Software Engineer (EDR Workflows, Security)

Location
Greater London, England, United Kingdom
curious and want to engage in team meetingsExperience in cybersecurity and forensicsKnowledge of the Elastic stack and solutionsExperience and interest in contributing or developing open-source projects #J-18808-Ljbffr ...

Anthropic Fellows Program, ML Systems & Reinforcement Learning

Location
Greater London, England, United Kingdom
research and engineering talent. We provide funding and mentorship to promising technical talent - regardless of previous experience. Fellows will primarily use external infrastructure (e.g. open-source models, public APIs) to work on an empirical project aligned with our research priorities, with the goal of producing a public output ...

Data Analyst Apprentice

Hiring Organisation
QA
Location
Reading, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
£21,000 per annum
Ensure all new and existing links to the website include correctly structured and consistent UTM parameters to support accurate marketing tracking and reporting Review open-source package pages to ensure descriptions, documentation, and associated links are accurate, functional, and up to date Identify pages that are underperforming against ...

Founding Engineer

Location
Manchester, England, United Kingdom
looking for You have built something from zero to one and thrive in ambiguity. That could be a company, a product, an open-source project or something you made because it needed to exist You have unusually high agency. You spot what matters, move quickly and finish what ...

Research Engineer

Location
Greater London, England, United Kingdom
provide a seamless path from research to production for machine‐learning models Enabling large‐scale distributed training of machine‐learning models Contributing back to open‐source projects Ideal Candidate Deliver high‐quality, well‐engineered software with strong architectural awareness Take end‐to‐end ownership of solutions, from concept ...

Forward Deployed Engineer

Hiring Organisation
Vermillion Analytics
Location
London, United Kingdom
Employment Type
Permanent
Salary
£150000 - £300000/annum
pilots with engineering teams. A strong computer science background from a leading university, or equivalent depth shown through early and serious coding (competitive programming, open source). Something that makes you stand out, whether that's an exceptional company, an academic record, or a hackathon win. Nice ...

Member of Technical Staff – Agent Deployments

Location
Witney, England, United Kingdom
customer feedback and usage. Requirements 2+ years of experience in engineering, forward-deployed work or a functional domain, or equivalent depth from research, open source or your own projects Time at a fast-growing startup A clear spike as an engineer, a forward-deployed engineer, or a functional ...

Field Specialist – AI hardware security and verification

Location
Sheffield, England, United Kingdom
team effectively, and learn by doing. Ideally you have projects to share with us. Prior startup or early‐stage company experience. Published work, open‐source contributions, or side projects demonstrating technical depth. Experience managing or mentoring engineers. This role is ideal for someone who wants to do meaningful ...

Field Specialist – AI hardware security and verification

Location
Greater London, England, United Kingdom
team effectively, and learn by doing. Ideally you have projects to share with us. Prior startup or early‐stage company experience. Published work, open‐source contributions, or side projects demonstrating technical depth. Experience managing or mentoring engineers. This role is ideal for someone who wants to do meaningful ...

Vulnerability Response Engineer

Location
Greater London, England, United Kingdom
access control weaknesses that automated tooling does not surface Excellent knowledge of large-scale security solutions and vulnerability scanning tools, both commercial and open source Software development experience with either Python, Go, Rust, and/or Bash scripting, sufficient to build and maintain production security tooling and automation ...

Information Security Officer

Location
Greater London, England, United Kingdom
international company through its certifications and into the classified domain, with direct access to the CISO and top management. You work with a modern, open-source-first and sovereign technology stack, alongside an IT team that implements the controls you define. You will find room to grow, both ...

Full Stack Software Engineer

Hiring Organisation
We Are Dcoded Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Expo. Experience with monorepo tooling (turborepo, pnpm workspaces, or equivalent). Experience in insurance, fintech, or another regulated/compliance-sensitive industry. Side projects, open-source contributions, or prior startup/founder experience. Some exposure to C#/.NET is a bonus (not required) as the team ...