176 to 200 of 235 Permanent Open Source Jobs

Enterprise Account Executive - South Africa

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
record of closing and exceeding quota in consumption based business (SaaS, PaaS, IaaS). Experience navigating procurement frameworks and mechanisms Background in Cloud software, open source technology, or the Data and AI space Experience driving adoption of usage-based SaaS services and co-selling with AWS, Azure … ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other protected characteristics. Compliance If access to export-controlled technology or source code is required for performance of job duties, it is within Employer's discretion whether to apply for a U.S. government license for such ...

Senior Software Engineer, Firefox Security

Hiring Organisation
Jobleads-UK
Location
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. What you’ll do: Advance Firefox's security architecture and cryptography stack: Contribute … etc. - varies by country) About Mozilla Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives ...

VP of Network Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
scale. You set the bar, the culture, and the bench. Build a team that writes things down. Push our source‐of‐truth (Nautobot) and config automation (Jinja‐based generation) forward with the Systems and Dev teams, so the network is driven by data rather than tribal knowledge. … Nairobi and on calls with partners in the same time zone. Nice‐to‐have Experience running or contributing to SONiC, FRR, or other opensource networking stacks. Automation chops (Python, Go, or Bash), especially against NETCONF/gNMI, Nautobot, or Jinja‐driven config pipelines. IPv6 planning and dual ...

Principal Software Engineer, Containerized AI Agents

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Agents initiative. You will design scalable, distributed systems for AI agents in containers, and mentor engineers across a remote‐first team. The role emphasizes opensource evolution, reliability, and secure runtimes. Responsibilities include defining the long‐term strategy, evaluating AI orchestration patterns, and growing the ecosystem with community ...

Staff Software Engineer – Containerized AI Agents (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
seeking a Staff Engineer for its AI engineering team in London to build containerized AI agents and scale agent runtimes. You will expand the open-source cagent project and work on RAG-enabled capabilities with cross-functional teams, focusing on reliability and production readiness. Applicants should have 8+ ...

Scale-Driven Microservices Engineer (Go/Python)

Hiring Organisation
Jobleads-UK
Location
Douglas, Northern Ireland, United Kingdom
Canonical is a leading provider of open source software and operating systems with Ubuntu serving global enterprise markets. This general selection track targets back-end REST API microservices in Go and Python, spanning all seniorities. You will work on scalable services, collaborate with a global team, and contribute ...

Software Engineer

Hiring Organisation
Set2Recruit
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
Experience Experience working with unmanned or autonomous systems (aerial, ground, or marine vehicles). Familiarity with real-time or safety-critical systems. Experience extending open-source software. ...

Chief Architect

Hiring Organisation
Jobleads-UK
Location
United Kingdom
architectures beyond traditional RISC and CISC approaches. Experience in the development of specialized architecture for cloud computing, edge computing, or embedded systems. Contributions to open-source or industry-standard architecture research projects. Experience working in multi-disciplinary teams and collaborating on large-scale, cross-functional projects. Please reach ...

Project Technical Lead - AI Systems Simulation

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
project management frameworks. Knowledge of modern inference‐serving frameworks (e.g., vLLM). Background in statistics, operations research, or large‐scale datacenter infrastructure. Contributions to opensource AI or systems projects. Benefits High‐impact role in a rapidly growing, well‐funded organisation. Collaborative and supportive work environment. Competitive salary ...

VLA Pre-training Lead (Deep Learning)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with synthetic data generation and sim-to-real pipelines at scale. Publications at top-tier deep learning conferences (NeurIPS, ICML, ICLR, CoRL) or equivalent open-source contributions. Experience optimising foundation models for real-time edge inference. What We Offer Competitive equity: stock options with meaningful upside ...

Computer Vision Research Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Evidence that you can carry an idea from research into something real; that may be a shipped feature, a production pipeline, a widely used open-source release, or similar. Ability to independently drive research projects from idea generation through experimentation and publication. Nice to Have Experience with classical ...

Remote Open Source Systems Architect for Cloud & SRE

Hiring Organisation
Jobleads-UK
Location
Douglas, Northern Ireland, United Kingdom
Canonical Group Ltd is hiring an Information Systems Architect to define best-practice infrastructure as code at a global scale, shaping the backend that supports tens of millions of devices running Ubuntu. This role leads ...

Engineering Manager: Lead Global Open Source Teams

Hiring Organisation
Jobleads-UK
Location
Douglas, Northern Ireland, United Kingdom
Canonical Group Ltd is seeking Engineering Managers to lead a team of engineers in the United States, Nebraska. You will mentor team members and ensure the successful delivery of projects while working remotely in a ...

Founding Head of Public Sector

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
coding assistant, but our own models, agent stack, eval harnesses, and product layer. We build our agent tooling entirely in-house and post-train open-source models to deliver reliable, enterprise‐grade coding performance in security‐critical settings. Our offerings can be used as SaaS, deployed … repeatable commercial narratives. Priority areas to explore include: Secure AI coding and software engineering inside sensitive or regulated public sector environments. AI adoption where source code, credentials, data, or infrastructure cannot leave the customer’s control boundary. Legacy system modernisation and maintenance. Software assurance, auditability, testing, review, and governance. ...

Founding Head of Telco

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
coding assistant, but our own models, agent stack, eval harnesses, and product layer. We build our agent tooling entirely in-house and post-train open-source models to deliver reliable, enterprise-grade coding performance in security-critical settings. Our offerings can be used as SaaS, deployed … engineering inside telco-controlled infrastructure. Helping telcos compete with hyperscalers by offering AI coding capabilities that run on their own infrastructure. AI adoption where source code, credentials, operational data, or infrastructure cannot leave the customer’s control boundary. Monetisation of GPU, cloud, and sovereign infrastructure investments through AI developer ...

Head of Finance (Interim)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
what we're building with YOLO. Nice to have Experience supporting a Series A or B fundraise. Exposure to SaaS, deep tech, or opensource business models. Familiarity with employment law, HR operations, or benefits admin. Experience working with legal teams on commercial contracts. Knowledge of scaling tools … improvement. Strive for excellence: Perseverance and attention to detail. Actions, not words: Focus on delivering meaningful results. Act with urgency: Seize fleeting opportunities. Open access to all: Transparent communication and collaboration. Compensation and benefits We reward excellence and impact — not just tenure or title. Competitive salary: Reflecting your experience ...

Senior Software Engineer

Hiring Organisation
17918
Location
Cheltenham, Gloucestershire, United Kingdom
Senior Software Engineer you will help lead the development of back end platforms and services by leveraging the latest commercial and open-source technologies in private and public cloud environments. Duties & Responsibilities Design, develop, document, deploy and enhance features to our platforms and services that meet functional/ ...

Lead/Principle Software Engineer

Hiring Organisation
17918
Location
Gloucester, Gloucestershire, United Kingdom
Data Platforms The Role As a Software Engineer, you will play a key role in developing backend platforms and services using modern commercial and open-source technologies across both private and public cloud environments. Working within an Agile, cross-functional team, you will contribute to impactful projects that ...

Senior Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
Senior Software Engineer you will help lead the development of back end platforms and services by leveraging the latest commercial and open-source technologies in private and public cloud environments. Duties & Responsibilities Design, develop, document, deploy and enhance features to our platforms and services that meet functional/ ...

Lead/Principle Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Gloucestershire, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Data Platforms The Role As a Software Engineer, you will play a key role in developing backend platforms and services using modern commercial and open-source technologies across both private and public cloud environments. Working within an Agile, cross-functional team, you will contribute to impactful projects that ...

Remote IAM Engineering Manager | Secure, Distributed Systems

Hiring Organisation
Jobleads-UK
Location
Douglas, Northern Ireland, United Kingdom
remote work in the Americas or EMEA. Candidates should have experience in Go, Python, and managing software engineering teams. Join Canonical, a trailblazer in open-source technology, and contribute to transforming identity management for millions of users worldwide. Excellent interpersonal skills and the ability to design complex systems ...

Remote Senior Linux & OpenStack Engineer

Hiring Organisation
Jobleads-UK
Location
Douglas, Northern Ireland, United Kingdom
strong debugging skills and a solid background in relevant technologies. Canonical offers a competitive salary as well as benefits reflecting its commitment to open source and employee support. #J-18808-Ljbffr ...

Software Engineer

Hiring Organisation
Platform Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £115000/annum
commercial C++ expertise Significant bias towards C++ development Genuine passion for writing clean, performant code Bonus if : Commercial C++ experience Have worked on open-source projects Have an activity portfolio of personal C++ projects Full details are available. Please don't hesitate to get in touch. ...

Lead AI Architect

Hiring Organisation
Jobleads-UK
Location
Cambridgeshire and Peterborough, England, United Kingdom
architectures, memory bandwidth constraints, and large-scale workload simulation Desirable Assets: Practical familiarity with distributed inference frameworks, cluster optimization, data center infrastructure, or open-source systems software What is offered A defining leadership position within a heavily backed, scaling technology enterprise Highly competitive salary package, pension, and comprehensive ...

Client Solutions 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 ...