Open Source Jobs

SRE Manager (Full Remote) We are seeking a fully remote SRE Manager to join a team well known and heavily invested in the open source community, building a decentralised communications platform rivalling the likes of Slack and Discord. The team were founded from an open source community project which they still contribute heavily to, and after two large scale commercial... more ▸

Java Developer - Kafka, Microservices, TDD, Spring, Docker. Outstanding opportunity to join this highly regarded, industry leading, digital transformation technology services company as a Java Developer. This business provides architectural, technical and thought leadership to enterprise scale, prestigious organisations with highly complex technical landscapes who are looking to deliver major digital transformations of their applications and data, building... more ▸

Java Developer Experis are supporting one of our large consultancy clients who specialises in Agile custom software development and integration at an enterprise scale. Their capabilities cover a wide variety of Integration, Open Source, Microsoft and proprietary technologies. They are seeking an experienced Java Developer to become a consultant for a global leading organisation, at the forefront of innovation across Cloud, Digital and... more ▸

Job Title: ReactJS Developer Location: Fully Remote Salary/Rate: £570 Per Day (Inside IR35) Duration: Until the end of the year initially Job Type: Contract If you are a ReactJS Developer looking for an exciting new contract opportunity, we have a great role for you. One of our UK Consultancy clients are looking for a ReactJS Developer to join their team. *Experience... more ▸

Solution Architect contract, 12 month fully remote contract paying up to £530 per day, In scope of IR35 Hays are currently looking for an experienced Solutions Architect to support our financial services client on a 12 month project. We are looking for a Solution Architect with previous experience working within financial services particularly within lending and investments. Experience required; Digital Transformation of legacy systems... more ▸

DevOps Engineer - Newcastle (3/2 WFH Split) - £70,000 - £90,000. One of the largest consultancy firms in the world is investing heavily into DevOps and Cloud Computing. We are partnered to find passionate and highly skilful DevOps Engineers to continue the growth of their DevOps function. You will be part of a highly experienced agile team working with the latest technology to deliver complex technical... more ▸

Robert Half Technology are assisting a global payment company to recruit for a Scala Developer on 12 month contract, paying £700-£850 per day to start ASAP. Role. The Scala Develop highly performant, highly availability, fault tolerant systems that are packaged in containers and deployed on the cloud. Scale, manage and build tools to monitor them. Determine non-functional requirements and write... more ▸

Candidates must be flexible for travel* *Candidates must be eligible for SC clearance* Do you have? * Previous experience delivering Cloud based solutions * Technical knowledge of AWS * A background within Java and Open-Source technologies and frameworks * Previous experience working within a Agile/Scrum environment * An awareness of structured architecture approaches... more ▸

Solutions Architect - Remote/London - £80-100k Would you like to join an organisation who are at the heart of the multi-billion-dollar media and broadcasting industry which has boomed in the past few years ? Customers include the elite Global broadcasters. Our client is a leading provider of media and broadcast solutions and specialises in positioning their clients in the cloud and are keen proponents... more ▸

Rust Developer My client, one of the leading Crypto Exchanges are currently looking for more members in the Backend team, you will work with a world-class team of engineers building infrastructure using Rust. As a Backend Engineer, you help design and implement new services, and port legacy ones into Rust. You will work on projects through their lifecycle, from... more ▸

Python Developer's. required for an open-source package, using pure Python, highly-optimized scientific library, developed by the core developers, and that performs a number of common analysis tasks such as regridding, masking, levels extraction etc. Diagnostics are written in a variety of programming languages (Python, NCL, R, Julia) and are developed by the wider scientific community, and included after a scientific and technical... more ▸

Golang Developer. Full time Contract. I am currently undertaking a Search for a Golang Software Engineer role for a leading client who are going through significant growth and the launch of a new platform. As a result they are looking to hire to focus on building their Enterprise customer base. We are looking for a Golang Developer who is fluent in English and will work with a multidisciplinary... more ▸

UK's leading semiconductor company is looking for experienced Compiler Engineers to come an join their team Your new company This leading semiconductor company in the UK has fuelled the smartphone revolution by crafting imaginative compute power that fits in your pocket. Do you want to be part of the next revolution? We are looking for a skilled and enthusiastic compiler engineer to join their Research to implement... more ▸

Ruby Developer. Our client is a rapidly expanding company looking for talented people who adopt an enthusiastic and determined approach to ‘getting the job done’. They’ve grown a diverse client base in the photo/gift retail market ranging from individual store owners, through high street chains to massive global corporations. You will join nearly 80 other staff based in freshly renovated... more ▸

World-Renowned financial trading business is looking to improve and expand the number of tools available to its Traders, Quants and Sales teams in London. They are looking for strong java software engineers to build their next-gen trading technology platform and diversify their product offering to clients. No prior experience is needed within the trading technology or even finance space, but an enthusiasm... more ▸

You'll mostly be programming in Scala and JavaScript, running in AWS, but we use the tool that best fits the problem, and are interested in applicants with experience in any language. Much of our code is openly available on GitHub, and some of our projects are widely used throughout... more ▸

Software Engineer in Test- Central Manchester. Software Engineering / Test Automation / Agile / Continuous Integration. Rare opportunity to join one of Britain's most recognisable home-grown brands. Modern Office located in Central Manchester, currently 100% remote long term 1 day per week in the office. We are the largest investors in research and development for our field, in the whole of the UK. Salary up to £56k... more ▸

Software Engineer/Java Developer... You will also be willing and able to contribute to the 6point6 internal digital transformation strategy and thought leadership... Operate in an agile environment as part of a scrum team and participate in sprint rituals... SOLID principles and OO concepts/design patterns. Working with Spring Boot -... more ▸

Templeton and Partners are looking for a. Software Engineer- Back End. for one of our multinational client in gas and oil sector. Location. : London (3 days per week on-side) Contract. : Inside IR35. Required: 1. Python3 (preferred v3.7+ for type hinting) 2. Docker 3. SQL basics Wishlist: 1. Comfortable using linux command line and open source tools. 2. Kubernetes experience 3. Advanced SQL... more ▸

Required: 1. Python3 (preferred v3.7+ for type hinting) 2. Docker. 3. SQL basics. Wishlist: 1. Comfortable using linux command line and open source tools. 2. Kubernetes experience. 3. Advanced SQL knowledge, including CQRS (command query responsibility segregation) 4. Kafka or equivalent message broker knowledge/experience. 5. Javascript, HTML and websockets experience. 6. Financial trading knowledge/experience... more ▸

Mid/ Senior Software Engineer - Career defining role in a Tech Unicorn. Completely Greenfield platform working closely with the CEO of a Tech Unicorn. £50,000- £75,000 per annum + Benefits. Python (x-training opportunity), Distributed Systems, Microservices, Event-Driven Architecture, TDD, Paired Programming, AWS. Are you an ambitious Software Engineer who's looking to put yourself out of your comfort zone? Are you... more ▸

You will have hands-on cloud experience (preferably AWS) and familiar with CI/CD and Agile principles... The Lead Technical Consultant/Lead Architect should have: * Substantial experience as a software architect and/or developer * Hands-on cloud experience, preferably AWS * The ability to identify and solve problems and work with... more ▸

SDET - 100% Remote. Join a global organisation working on a product with a conscious! Remote role, join a laid back and friendly team. The chance to work on a software product with a global reach! Fast moving and tech centric environment. Salary up to £65k, flexible working hours, 5% pension, generous holidays, life insurance and much more. To apply please call 0113 887 8355,... more ▸

Our Communication Solution client are looking for a Senior Platform Engineer... Key experiences and technologies: Data Store Experience. Containerisation + Automation. MongoDB, Elastic Search, Kafka (desirable skills) Kubernetes. Linux Opensource. AWS, GCP or Azure experience. Ansible/Concourse/Jenkins - Delivery tooling. Python (desirable skill) The company are multinational and have headquarters in... more ▸

Full Stack Developer Remote / WfH to £90k. Full Stack Developer / Software Engineer (Java Kotlin React) *Remote WfH*. Are you a technologist with a range of programming experience across the full stack? You could be progressing your career at a pioneering search technology start-up, in a supportive environment with training allowance and 10% personal development time. As a Full Stack Developer you will design... more ▸

Site Reliability Engineer, £110,000 - £160,000, Full-Remote. We are seeking a Site Reliability Engineer or Customer Reliability Engineer, comfortable with customer facing work (no travel required) and strong cloud and Kubernetes knowledge to join a Series E funded San Fran team at the centre of data science innovation, helping global teams to further medical discovery, improve autonomous vehicle tech all the way... more ▸

Site Reliability Engineer (Full Remote) We are seeking a number of fully remote senior and principal level Site Reliability Engineers to join a team heavily invested in the open source community building a decentralised communications platform rivalling the likes of Slack and Discord. The team were founded from an open source community project which they still contribute heavily to, and after... more ▸

JAVA DEVELOPER - JAVA 8 / NoSQL / JAVASCRIPT / JIRA OPPORTUINTY TO JOIN ONE OF THE GLOBAL LEADERS AS A SENIOR JAVA DEVELOPER EARNING UP TO £75K. Senior Java Developer. Based in Sheffield. JAVA 8 / NoSQL / JAVASCRIPT / JIRA. Opportunity to add to the wider technical community through the likes of blogging and meetups. To apply please call 01138878355 or email. With offices all around the UK the company is continually... more ▸

Linux Systems Administrator - Office or Home Based. Chassam Recruitment are currently looking for a Linux Systems Administrator to join a leading Manchester based company. The role has come about due to significant company growth. They are exceptionally flexible, and you can work from the office or home. Reporting to the Systems Administration Manager you will be experienced in cloud technology... more ▸

Senior Full Stack Developer. London - Permanent - Full-time. £70-100k. Role Overview. My client is a global design studio, operating in the realms of design, technology and business. At about 90 here in London, they’re a curious and caring mix of thinkers, makers and doers. They believe that companies need to transform their business of today while building their business of tomorrow. They create products, services... more ▸

TECHNICAL ARCHITECT - SC CLEARED. BRAND NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A TECHNICAL ARCHITECT. Permanent opportunity for a Technical Architect who is eligible for SC clearance. Leading defence / cyber security company. Salary up to £75,000. Experience with UK Govt. desirable. London based organisation in an easily accessible location. To apply please call 07704 152 640 or email. WHO... more ▸

Senior SRE London to £100k. Senior SRE (Golang Python Kubernetes Linux). Would you like to use your Senior SRE skills to help make a real difference to a growing start-up? You could be joining a friendly and collaborative team where you can direct your career based on your interests and strengths and you will be encouraged to contribute your ideas to the team... more ▸

Site Reliability Engineer London to £80k. SRE / Site Reliability Engineer (Golang Python Kubernetes Linux). Would you like to use your Site Reliability Engineer skills to help make a real difference to a growing start-up? You could be joining a friendly and collaborative team where you can direct your career based on your interests and strengths and you will be encouraged to contribute... more ▸

At least 5 years' experience with code repository management, code merge and quality checks, continuous integration, and automated deployment & management using tools like Jenkins, Git, Ansible, Sonar, Selenium. At least 4 years' experience with Kubernetes. Minimum of 3 years' experience in automation Scripting using one or more of the following... more ▸

DevOps Engineer £65k , Financial Services My exciting client are looking for a DevOps Engineer to focus on Digital services within the finance sector. This client is working on a range of interesting and versatile projects. They are searching for an enthusiastic and hardworking DevOps Engineer who has a background in Development to solve issues and deliver solutions on both existing and upcoming projects. You... more ▸

DevOps Engineer £65k , Financial Services My exciting client are looking for a DevOps Engineer to focus on Digital services within the finance sector. This client is working on a range of interesting and versatile projects. They are searching for an enthusiastic and hardworking DevOps Engineer who has a background in Development to solve issues and deliver solutions on both existing and upcoming projects. You... more ▸

DevOps Engineer £65k , Financial Services My exciting client are looking for a DevOps Engineer to focus on Digital services within the finance sector. This client is working on a range of interesting and versatile projects. They are searching for an enthusiastic and hardworking DevOps Engineer who has a background in Development to solve issues and deliver solutions on both existing and upcoming projects. You... more ▸

DevOps Engineer £65k , Financial Services My exciting client are looking for a DevOps Engineer to focus on Digital services within the finance sector. This client is working on a range of interesting and versatile projects. They are searching for an enthusiastic and hardworking DevOps Engineer who has a background in Development to solve issues and deliver solutions on both existing and upcoming projects. You... more ▸

DevOps Engineer £65k , Financial Services My exciting client are looking for a DevOps Engineer to focus on Digital services within the finance sector. This client is working on a range of interesting and versatile projects. They are searching for an enthusiastic and hardworking DevOps Engineer who has a background in Development to solve issues and deliver solutions on both existing and upcoming projects. You... more ▸

DevOps Engineer £55k , Financial Services My exciting client are looking for a DevOps Engineer to focus on Digital services within the finance sector. This client is working on a range of interesting and versatile projects. They are searching for an enthusiastic and hardworking DevOps Engineer who has a background in Development to solve issues and deliver solutions on both existing and upcoming projects. You... more ▸

Backend Developer London to £100k Backend Developer / Distributed Systems Engineer (Node.js Real-time Golang Java C++). Would you like to be working on real-time, highly distributed systems within a technically challenging environment? You could be utilising and developing your Backend Developer skills within a friendly, supportive and relaxed company that offers perks including fully remote working, 25 days holiday and career... more ▸

Backend Developer London to £100k. Backend Developer / Distributed Systems Engineer (Node.js Real-time Golang Java C++). Would you like to be working on real-time, highly distributed systems within a technically challenging environment? You could be utilising and developing your Backend Developer skills within a friendly, supportive and relaxed company that offers perks including fully remote working, 25 days holiday and career... more ▸

Background as a Python or Java developer. You should be a SQL SME. Schema design and dimensional Datamodelling experience. NoSQL databases experience. Exposure to MapReduce or other MPP systems. TDD using appropriate tools and frameworks. Experience working with Docker or any other containerisation tool. Experience working with RabbitMQ and Kafka... more ▸

Distributed Systems Engineer London to £100k. Distributed Systems Engineer (Node.js Real-time Golang Java C++ OOP). Would you like to be working on real-time, highly distributed systems within a technically challenging environment? You could be utilising and developing your Distributed Systems Engineer skills within a friendly, supportive and relaxed company that offers perks including fully remote working, 25 days holiday and... more ▸

Lead Distributed Systems Engineer London to £120k. Lead Distributed Systems Engineer (Node.js Real-time Golang Java C++ OOP). Would you like to be working on real-time, highly distributed systems within a technically challenging environment? You could be utilising and developing your Lead Distributed Systems Engineer skills within a friendly, supportive and relaxed company that offers perks including fully remote working,... more ▸

Cloud Java Developer. Birmingham. An exciting opportunity has arisen as a Cloud Java Developer in a company that continually seeks innovation within their teams by creating IT solutions that assist in their customer's success. With Java being at the heart of the technology used within the company, it is important that the Cloud Java Developer is passionate about delivering business-critical solutions to different divisions among... more ▸

Cloud Java Developer. Redditch. An exciting opportunity has arisen as a Cloud Java Developer in a company that continually seeks innovation within their teams by creating IT solutions that assist in their customer's success. With Java being at the heart of the technology used within the company, it is important that the Cloud Java Developer is passionate about delivering business-critical solutions to different divisions among... more ▸

Cloud Java Developer. Manchester. An exciting opportunity has arisen as a Cloud Java Developer in a company that continually seeks innovation within their teams by creating IT solutions that assist in their customer's success. With Java being at the heart of the technology used within the company, it is important that the Cloud Java Developer is passionate about delivering business-critical solutions to different divisions among... more ▸

Software Developer London to £75k. Software Developer (Golang Node.js AWS Kafka Distributed Systems). Would you like to be working on real-time, highly distributed systems within a technically challenging environment? You could be utilising and developing your Software Developer skills within a friendly, supportive and relaxed company that offers perks including fully remote working, 25 days holiday and career development... more ▸

Are you an experienced Software Developer looking for a new challenge? Do you have experience with cloud technologies such as AWS and Azure? Would you like to work on nationally recognised opensource digital projects? If so, we would love to hear from you! The Driver and Vehicle Standards Agency work on high-profile digital products used by millions of people every year. To make an even greater... more ▸

Are you an experienced Software Developer looking for a new challenge? Do you have experience with cloud technologies such as AWS and Azure? Would you like to work on nationally recognised opensource digital projects? If so, we would love to hear from you! The Driver and Vehicle Standards Agency work on high-profile digital products used by millions of people every year. To make an even greater... more ▸

Are you an experienced Software Developer looking for a new challenge? Do you have experience with cloud technologies such as AWS and Azure? Would you like to work on nationally recognised opensource digital projects? If so, we would love to hear from you! The Driver and Vehicle Standards Agency work on high-profile digital products used by millions of people every year. To make an even greater... more ▸

How should our application architecture change and what supporting infrastructure do I need as we migrate to the Cloud? How do we maintain conceptual integrity of our product design as it rapidly evolves? How can we quickly deliver the robust legacy system interfaces needed by our Agile development teams? What do I need to do to integrate data science models into our production business processes and unlock the... more ▸

JAVA DEVELOPER - MID LEVEL. NEW PERMANENT OPPORTUNITY AVAILABLE FOR A JAVA DEVELOPER - MANCHESTER OR LIVERPOOL. Permanent opportunity for a mid-level Java developer in Manchester or Liverpool using new cutting-edge technology. Have the chance to be sponsored through SC Security Clearance whilst working. £40 - £50k plus a generous benefits package including training budgets and flexible working Manchester or Liverpool based in easily accessible locations... more ▸

Software Engineer | £65,000 | London. Austin Fraser are working with the largest multi-attraction pass company in the world operating in 35+ cities with over 65% market share. With a heavy investment in the technology teams this year, they are excited for like minded, problem solving individuals to join their transformation and make their mark on their future. They are looking... more ▸

Data Systems Analyst - A sophisticated, dynamic, and innovative data and AI based financial trading data organisation seeks to hire a Data Systems Analyst to work as part of a team providing research and solutions to complex data problems for internal users across the business. The organisation is an award-winning company, the Data Systems Analyst will work with specialist data scientists and leaders... more ▸

Java Developer, Java Engineer, Software Developer Software Engineer. Are you a Java Developer looking for your next opportunity? Perhaps you're a Java developer looking to move into a new industry? Then I may have just the role for you! As the Java Developer you will be joining a scaling insur-tech company who have recently successfully secured series B funding and... more ▸

Are you a DevOps Engineer looking for a fresh challenge working with cutting edge technology in an agile environment? This is an exciting role looking for a DevOps engineer who has passion and a sound understanding of Cloud Platforms (Azure), CI/CD (Azure DevOps, TeamCity or Jenkins), Infrastructure as Code (ARM Templates, Terraform) and Containerisation (Docker, Kubernetes, AKS). The client is one of the leading Microsoft... more ▸

Lead Full Stack Developer | Fully Remote | OOP PHP, JavaScript, Docker, Kubernetes | £100,000 DOE | Remote work, Flexible hours, Co-working space allowance, Tech training, 30 days annual leave. This is an opportunity for a Full Stack Developer looking to take the next step in their career and join a world-renowned Social Media Platform used by over 1 million users worldwide! The role... more ▸

Front End Software Developer - React or similar (Angular), JavaScript, Node.JS/TypeScript, GIT, Agile, TDD. Rapidly growing start-up company based in the heart of Reading seek several Front End Software Developers to work on their groundbreaking and cutting edge products. You will have the opportunity to work on the very latest no-code enterprise automation platform, working at the forefront of technology using... more ▸