26 to 50 of 197 Permanent Open Source Jobs

Senior Python Engineer

Hiring Organisation
Safe Intelligence
Location
City of London, London, United Kingdom
with the latest technologies and trends in Python development and actively contribute to the team's technical knowledge base. Contribute to Machine Learning related Open Source initiatives. Requirements : The technical requirements for the role are: Extensive professional experience as a Python-based developer. Experience with modern Python development … pipelines. Advanced proficiency with code maintenance tools and best practice, including Git and configuring workflows. Experience either contributing to or maintaining Python based open-source projects. Have a passion for code quality and things done right. Additional beneficial experience includes: Familiarity with CUDA and optimising highly parallelised ...

Java Software Engineer

Hiring Organisation
DWP Digital
Location
Preston, Lancashire, UK
Employment Type
Full-time
MongoDB. Able to design and maintain a robust, effective automated test suite to support continuous deployment. Experience of developing large scale systems using open-source technologies using Java 8 or above. You and your role Our Java Software Engineers work on large-scale, high-impact systems used … team. You'll need experience with TDD/BDD, SQL/noSQL databases, cloud-native engineering and of delivering high-quality systems using open-source technologies. Details. Wages. Perks. Hybrid Working: We work a hybrid model - you'll spend some time working at home (40%) and some time ...

Software Engineer

Hiring Organisation
Robertson Geo
Location
Conwy, Gwynedd, Wales, United Kingdom
Employment Type
Permanent, Work From Home
under demanding operational conditions. Key Duties and Responsibilities: Design, develop, and maintain software products as directed by the Software Lead or Senior Management. Ensure source control (Git) is used for all projects, following best practices such as branching and merge strategies. Maintain accurate and up-to-date build documentation … ensure reliability and maintainability. Track, manage, and resolve issues via repository cards (e.g., GitHub Issues, Jira, or equivalent). Research and integrate existing open-source packages where suitable, ensuring all third-party code is properly licensed. Collaborate with hardware, firmware, and geophysics colleagues to deliver integrated solutions. Contribute ...

Senior Embedded Linux Software Engineer II

Hiring Organisation
FHLB Des Moines
Location
Dublin, Ireland
Employment Type
Permanent
Salary
EUR 125,000 - 150,000 Annual
enhancing Microchip's RISC-V base application processors Linux support.What's attractive about this opportunity.This role provides the opportunity to work on cutting edge open-source technologies, including the development and upstreaming of embedded Linux drivers for Microchip's PolarFire 2 SoC and future RISC-V based application … processors.Key job responsibilities/duties include: Work with commercial partners and the open-source Linux community to enhance Microchip's RISC-V application processors Linux support Develop and upstream Microchip's RISC-V application processors support into mainline Linux Develop and integrate software components into Microchip's RISC ...

Senior Linux Engineer: CentOS/RHEL (Global, Flexible)

Hiring Organisation
Red Hat, Inc
Location
Dublin, Ireland
Employment Type
Permanent
Salary
EUR 125,000 - 150,000 Annual
leading provider of open-source software is seeking a Senior Software Engineer in Dublin. In this role, you will engage in the full development lifecycle of critical software for open source communities. The ideal candidate should have expertise in Linux administration and Python programming, along with ...

Senior LLM Engineer / AI Engineer Cheshire

Hiring Organisation
Adria Solutions
Location
Northwich, Cheshire, North West, United Kingdom
Employment Type
Permanent
Salary
£70,000
experimental background. The Role You will: Design, build and deploy LLM-driven features into live products and platforms Work with both commercial and open-source LLMs , selecting the right model for each use case Build and optimise RAG pipelines , embeddings and vector-based retrieval solutions Develop APIs … FastAPI/Flask or similar Strong understanding of trade-offs around accuracy, latency, cost and scalability Highly Desirable Experience working with or fine-tuning open-source LLMs Familiarity with LLMOps (monitoring, evaluation, guardrails, versioning) Experience integrating LLMs into complex or data-heavy systems Docker and Linux experience Background ...

Senior Software Engineer, C++

Hiring Organisation
Ripple
Location
London, England, United Kingdom
full software development lifecycle, including architecture, technical design, C++ development, bug fixing, as well as functional and performance validations. Be part of the open-source XRP ledger community, setting high standards for coding, testing, and deployment. Actively participate in code reviews to maintain the high quality … Ability to learn new technologies and languages quickly. Ability to independently solve highly complex problems with creative solutions. Nice to have: Experience in developing open-source software and contributing to collaborative blockchain communities. WHO WE ARE: Do Your Best Work The opportunity to build in a fast-paced ...

Solutions Engineer

Hiring Organisation
Formance
Location
City of London, London, United Kingdom
ground up, focusing on the flow of funds first to help businesses realize their product visions on a solid financial foundation. Starting with an Open Source Ledger (i.e. a database for financial transactions), we’re building a comprehensive suite of modern financial backend modules, including native and automated … leading SaaS companies and financial institutions like Booksy, Doctolib, and Liberis, along with many others worldwide. Our success stems from the trust in our open-source foundation, the high level of programmability of our solutions, and our software-first approach, moving beyond traditional payment business models. ...

PHP Developer

Hiring Organisation
rcrtr
Location
Newcastle Upon Tyne, England, United Kingdom
debugging (e.g. Chrome Console). Knowledge of eCommerce and payment systems. Configuration and managing databases such as MySQL, Mongo. Working knowledge of various tools, open-source technologies, and cloud services. Agile Methodology. Required Skills PHP and OOP JQuery HTML Less/CSS/Flexbox Apache MySQL/MariaDB … debugging (e.g. Chrome Console). Knowledge of eCommerce and payment systems. Configuration and managing databases such as MySQL, Mongo. Working knowledge of various tools, open-source technologies, and cloud services. Agile Methodology. Pay range and compensation package £40,000-£50,000 plus excellent benefits ...

Embedded Linux Engineer

Hiring Organisation
Platform Recruitment
Location
CB3, Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
Embedded Linux Engineer : Porting the OS, integrating with ODM software Fixing build issues when moving to new platforms and applying patches to debug open-source software Researching technical growth Requirements: Highly experienced with embedded build systems, preferably buildroot, OpenWRT, or other WRT-Variants Experienced with CLANG and very … confident working with patches on open source software Strong understanding of network protocols Desirable skills for an Embedded Linux Engineer: Experience developing Linux kernel modules and using the kernel build system Knowledge of the Wireless and Linux network stack Experience managing the process from a reference board ...

Java Developer

Hiring Organisation
Experis
Location
Birmingham, UK
Employment Type
Full-time
Jenkins, SonarQube, and Stash Repository. Experience developing in a Linux development environment. Experience working with a suite of Atlassian products. Experience working with open-source database management systems like PostgreSQL. Experience working with AWS services (EC2, SQS, RDS, DynamoDB, S3, Route53, KMS, Cloudwatch). Monitoring using Grafana. Agile ...

Senior Technology Development Operations Manager

Hiring Organisation
Cooley LLP
Location
Palo Alto, California, United States
Employment Type
Any
Salary
GBP Annual
ArgoCD) Familiarity with microservices deployment and release automation Hands-on with .NET Core containers on Linux and scripting in Linux/Windows Knowledge of open-source and NoSQL databases (e.g., MS SQL, MongoDB, Elasticsearch) Experience with APM tools (Datadog, New Relic, etc.) and IaC security tools (Snyk, tfsec ...

Java Developer (SC + NPPV3 Cleared)

Hiring Organisation
Syntax Consultancy Limited
Location
Birmingham, UK
Employment Type
Full-time
Jenkins, SonarQube, Git + Stash Repository. AWS Cloud Services (EC2, SQS, RDS, DynamoDB, S3, Route53, Cloudwatch, KMS). Any experience of Linux, Atlassian products, open-source DBs, PostgreSQL, or Grafana monitoring would be helpful. Technical Environment: Quartz, SQL PostgreSQL databases, Aurora, Messaging Services (ActiveMQ), Maven, Jenkins, Junit ...

Full Stack Engineer

Hiring Organisation
Persistent Systems
Location
City of London, London, United Kingdom
Role : Full Stack Engineer Location: Glasgow, UK Hybrid: 2 days to office Job Type : Permanent role Summary: Looking for Expertise in advanced Java and open-source technologies. Skilled in Spring Boot, Hibernate, Microservices, Docker, Kubernetes, JPA, MySQL, SQL Server, Snowflake, REST API, Apache Kafka, Jenkins, CI/ ...

Junior Systems Engineer

Hiring Organisation
Open Answers
Location
Harrow, Greenhill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£30000 - £35000/annum
Junior Systems Engineer/Harrow (Hybrid)/Up to £35K & Great Benefits Open Answers ((url removed)) is a provider of premium quality digital technology services to blue chip customers and the public sector, specialising in cloud systems integration. Customers include British Airways, Allwyn (The National Lottery) and Channel … successful company you will have the opportunity to make the most of and enhance your skills, working as part of a great team. Open Answers provides a happy, respectful and collaborative working environment and we give our employees the freedom to find innovative solutions for themselves. Working conditions ...

AI Prompt Engineer

Hiring Organisation
Staffworx
Location
London, England, United Kingdom
Prompting, Reasoning & Agentic Systems Design, test, and optimize prompts for leading frontier models (GPT-4.x/5, Claude 3+, Gemini, LLaMA, DeepSeek, and emerging open-weight models). Apply advanced prompting and reasoning techniques, including: Chain-of-Thought, ReAct, Tree-of-Thoughts, Graph-of-Thoughts, Program-of-Thoughts Self … mitigation, governance, and compliance frameworks. Background in Computer Science, AI/ML, Engineering, or a related technical discipline. Experience deploying, fine-tuning, or serving open-source LLMs in production. Staffworx is a UK-based Talent & Recruiting Partner supporting organisations across Digital Commerce, Software Engineering, and Value-Add Consulting ...

Senior Java Developer - Manchester

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
microservices architecture and containerization (Docker, Kubernetes) Exposure to CI/CD pipelines and DevOps practices Background in agile methodologies and delivery management Contributions to open-source Java libraries or frameworks Why Join Them? Work with brilliant, passionate engineers Real ownership & influence over the product roadmap Flexible working hours ...

Senior Java Developer

Hiring Organisation
F5 consultants
Location
United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
with Java and Spring Boot Experience building and testing REST APIs and microservices Solid understanding of TDD, unit testing and integration testing Experience with open-source integration frameworks Working knowledge of: SQL and NoSQL databases Spring JPA, transactions and application design patterns Containers (Docker) and container platforms (e.g. … cloud environments, CI/CD pipelines and application security principles Other Info: Comfortable working in an Agile/DevSecOps delivery environment Location & working pattern Open to candidates based anywhere in the UK Hybrid working with office attendance once per month Some flexibility required to meet client and project needs ...

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
Central London, London, United Kingdom
Employment Type
Permanent
practices for production deployment. Generative AI & LLM Integration - Proficient in working with Large Language Models including OpenAI GPT models, Anthropic Claude, Azure OpenAI, and open-source alternatives (Llama, Mistral). Experience with prompt engineering, fine-tuning, RAG (Retrieval Augmented Generation) architectures, vector databases (Pinecone, ChromaDB, FAISS), embeddings ...

Senior Platform Engineer

Hiring Organisation
Inspire People
Location
Ireland
Employment Type
Full-Time
Salary
£63,824 - £83,778 per annum
solutions to complex technical problems independently Desirable experience Experience in designing and implementing Docker images through containerisation Experience in prototyping through reuse of existing Open-Source components Benefits In return, you can expect a planned, transparent progression with learning and development tailored to your role, an environment with ...

Senior Platform Engineer

Hiring Organisation
Inspire People
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
solutions to complex technical problems independently Desirable experience Experience in designing and implementing Docker images through containerisation Experience in prototyping through reuse of existing Open-Source components Benefits In return, you can expect a planned, transparent progression with learning and development tailored to your role, an environment with ...

Senior Platform Engineer

Hiring Organisation
Inspire People
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
solutions to complex technical problems independently Desirable experience Experience in designing and implementing Docker images through containerisation Experience in prototyping through reuse of existing Open-Source components Benefits In return, you can expect a planned, transparent progression with learning and development tailored to your role, an environment with ...

Senior Platform Engineer

Hiring Organisation
Inspire People
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
solutions to complex technical problems independently Desirable experience Experience in designing and implementing Docker images through containerisation Experience in prototyping through reuse of existing Open-Source components Benefits In return, you can expect a planned, transparent progression with learning and development tailored to your role, an environment with ...

Senior Platform Engineer

Hiring Organisation
Inspire People
Location
Salford, Greater Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
solutions to complex technical problems independently Desirable experience Experience in designing and implementing Docker images through containerisation Experience in prototyping through reuse of existing Open-Source components Benefits In return, you can expect a planned, transparent progression with learning and development tailored to your role, an environment with ...

Senior Platform Engineer

Hiring Organisation
Inspire People
Location
Darlington, County Durham, North East, United Kingdom
Employment Type
Permanent, Work From Home
solutions to complex technical problems independently Desirable experience Experience in designing and implementing Docker images through containerisation Experience in prototyping through reuse of existing Open-Source components Benefits In return, you can expect a planned, transparent progression with learning and development tailored to your role, an environment with ...