701 to 725 of 848 Open Source Jobs in London

Growth Marketing Lead for Developer Tools & Open Source

Location
Greater London, England, United Kingdom
Trigger.dev is seeking a Marketing Lead to own growth marketing, focusing on influencer partnerships, GEO/SEO, and bold, high-visibility campaigns across the developer tools space. You'll choose one or two channels to ...

FTC B2B Influencer Marketing Lead, EMEA

Location
Greater London, England, United Kingdom
across KW, BDM, and developer audiences, setting clear audience, market, channel, investment, and outcome priorities. Build a credible bench of developer creators, technical educators, open-source voices, AI builders, and community leaders across Europe, and design programmes that genuinely help developers learn, evaluate, and build. Develop differentiated creator … plans for the UK, France, and Germany, balancing regional consistency with local language, culture, platform behaviour, regulation, and audience expectations. Source, evaluate, and build durable relationships with creators who have genuine authority with our priority audiences. Own outreach, briefing, negotiation, contracting, content development, activation, and relationship management. Design curated ...

QA Lead

Location
Greater London, England, United Kingdom
tools they need to build a better world. We work with charities across the digital stack helping them to rebuild their processes using flexible open source tools. As a data driven creative technology agency, we are passionate about helping membership, charitable and cultural organisations to streamline and reimagine … meet and learn from people from an amazing array of nationalities and cultures. We’re extremely proud of the way we work and the open culture we have developed. Key Responsibilities Hands‐on QA delivery (core) Preventive QA planning: Own QA planning for your squad and coordinate QA activities ...

Business Development Representative

Location
Greater London, England, United Kingdom
every day with a fresh mindset to go again. Coachable - constant improvement through feedback and experimentation, taking new ideas on board and being open to different ways of doing things. Who Thrives Here Our growth is powered by people who bring passion to their craft, professionalism to their execution … Value a culture of openness, collaboration, and constant evolution. Bonus points if you’ve worked with APIs, cloud-native platforms, AI-enabled systems, or open source, but curiosity matters most. Life at Gravitee At Gravitee, we invest in humans, not just roles . You’ll get: Competitive medical ...

Senior Staff Product Manager, Browser Control Platform

Location
Greater London, England, United Kingdom
shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms. About this team and role: This role owns the foundation that lets other … What you’ll do: Own the shared foundation and the building blocks it gives other software, and make them reliable and secure. Push the open standard (WebDriver BiDi) forward, and build Firefox-only advantages the standard won’t cover Design the safety controls: let a person approve actions ...

Implementation Manager – EMESA North (German-speaking preferred)

Location
Greater London, England, United Kingdom
onboarding and each paid PS package against that plan and a 180-day go-live target, including engagements delivered by partners, holding the single source of truth on status rather than relaying on people’s versions of it. Own Acceptance and the Billing Trigger: Drive milestone acceptance against … Account Manager who provides the architecture guidance. Hand Over Cleanly: Transition the account to the Account Managers at go-live with the architecture decisions, open risks and outstanding items documented, so nothing has to be rediscovered three months later. Build the Delivery Picture: Own professional services forecasting, backlog ...

Ubuntu Desktop Support Engineer (London Office)

Location
Greater London, England, United Kingdom
leading open source tech firm in London seeks a Linux Engineer/Administrator to deliver technical support for employees and customers. You'll be responsible for troubleshooting Linux issues and ensuring outstanding customer satisfaction. The ideal candidate will have a passion for Linux, strong customer support experience ...

Backend SaaS Engineering Manager

Location
Greater London, England, United Kingdom
managers, and drive architectural and delivery excellence across SAAS and on‐premises. You will mentor engineers, set strategy, and partner with Canonical and the open‐source community to deliver high‐quality software. The role requires technical depth in Python/Golang, strong communication, and a passion for scalable ...

Data Infrastructure Engineer (OpenSearch/Elasticsearch) - Remote

Location
Greater London, England, United Kingdom
Elasticsearch. The role is London-on-site and involves building enterprise automation for data platforms, collaborating with an internationally distributed team, and contributing to open-source communities. You will write Python, work on data stores, and participate in cloud/on-prem solutions. Travel for internal and external ...

Observability Software Engineer - Data & Dashboards

Location
Greater London, England, United Kingdom
Tuesday, and Friday for those within commuting distance; otherwise, the role is fully remote. You will collaborate with cross-functional teams and contribute to open-source initiatives. #J-18808-Ljbffr ...

Backend Engineer: Scalable Distributed Systems

Location
Greater London, England, United Kingdom
delivery. You will collaborate with both technical and non-technical teammates to solve customer problems, build high-performance data processing pipelines, and contribute to open-source libraries, with emphasis on security clearance readiness and cloud infrastructure #J-18808-Ljbffr ...

Senior Backend Engineer - Macro Quant Analytics & AI

Location
Greater London, England, United Kingdom
investing, building scalable analytics platforms, and embracing cloud architectures and AI to empower smarter decision making. Join a team of experts who work with open-source solutions, real-time data pipelines, and cross-functional collaboration with quants and portfolio managers. This role focuses on C# backend analytics services ...

AI Systems Researcher & Engineer — Hybrid (London)

Location
Greater London, England, United Kingdom
device ML, privacy-preserving systems, and performance evaluation across cutting-edge AI models. You have deep research experience in AI systems, strong open-source collaboration, and a track record of delivering data-driven products. PhD preferred, but industry experience will be considered for exceptional candidates. #J-18808-Ljbffr ...

Lead DevSecOps Architect – AI-Driven Security & Tooling

Location
Greater London, England, United Kingdom
budgets and developer efficiency. You will lead DevSecOps services, promote new engineering approaches in security and tooling, and mentor teams while contributing to open-source security solutions. #J-18808-Ljbffr ...

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 ...

Systems Operations Engineer

Hiring Organisation
LinuxRecruit
Location
London, UK
Employment Type
Full-time
scale, maintain and maximise the performance of the Linux infrastructure. In doing so, you will bring automation to everything that you do and embrace open source software. As an employee, you will have a hybrid structure in place going into the office on Tuesdays and Thursdays with core ...

android developer for the fashion retail app

Location
Greater London, England, United Kingdom
Scrum team Ability to own large pieces of work from planning through execution and delivery Contribution to the wider Android community through blog posts, open-source projects, or talks Условия Employee discount Personal development opportunities across the business Employee sample sales 25 Days of paid annual leave plus ...

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 ...

Senior Rust Engineer

Hiring Organisation
Understanding Recruitment
Location
London, UK
Employment Type
Full-time
large-scale, distributed system architecturesRequirements: Expertise in crafting network services or asynchronous code using Rust. Ideally two years production Rust experience, or substantial open-source contributions. Ability to independently troubleshoot issues across the entire stack (OS, network, application) Experience developing distributed systemsPackage: This is a very exciting time ...

Simulation Engineer

Location
Greater London, England, United Kingdom
real challenges, NVIDIA Isaac Sim or IsaacLab, domain randomization, system identification, robocasa, robosuite or similar frameworks, publications in robotics or RL, strong open-source contributions Условия Relocation support is available for candidates relocating to the UK Base salary + equity package 23 Days of annual leave, 15 days ...

Embedded Regional Threat Intelligence Specialist (Middle East Focus)

Location
Greater London, England, United Kingdom
detail.Strong written and verbal interpersonal and communication skills. Demonstrated ability to work independently and collaboratively in a distributed team environment. Superior research and Open-Source Intelligence(OSINT) skills. Demonstrated knowledge of security analysis and riskassessments for physical security or securityoperations andplanning. Proficiency in Arabic desired Familiarity with ...

Python Engineer Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
London office more efficient in its execution. 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 and through ...

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 ...

full stack developer for Developer Ecosystems

Location
Greater London, England, United Kingdom
maintenance, and product evolution Mentor more junior engineers and review contributions Raise the technical bar across the team Guide and manage external contributors and open-source collaboration Act as a key interface with the developer community Incorporate developer feedback into product direction Требования: Experience building developer tooling ...