1 to 25 of 30 Principal Developer Jobs in England

Principal Developer - Active SC Required £600 per day (Inside IR35) 6 Month Contract Remote Working | Occasional Travel to London We're looking for a Principal Developer to join a major engineering programme delivering large-scale, cloud-native systems within AWS. This is a hands-on technical … Gateway. Lambda Authorizer. Terraform. Helm. Kafka/AWS MSK. Secrets Management. Authentication and Authorisation. Certificate Management. Ideal Candidate You'll be an experienced Principal Developer with a strong background in Java and AWS, capable of leading complex technical delivery while remaining hands-on. You'll have experience working ...

Principal Software Developer, AI Integration, C#, £550 day rate, Outside IR35, Reading, COR7630 We’re looking for an experienced Principal Software Developer to join a long-term contract with an initial 3-month term and a strong likelihood of extension up to 18 months. This role … based in Reading, with three days per week onsite, and offers a day rate of up to £550, outside IR35. As a Principal Software Developer, you’ll play a key role in driving the adoption of AI within a software engineering team. Working closely with developers ...

Principal Developer - Active SC Required £600 per day (Inside IR35) 6 Month Contract Remote Working Occasional Travel to London We're looking for a Principal Developer to join a major engineering programme delivering large-scale, cloud-native systems within AWS click apply for full job details ...

Role Profile Job title: Principal Developer Reporting to: Abigail Howe Based at: Remote – UK Assigned office - York Road, London Purpose As a Principal Developer in the IP Development team, you will provide senior technical leadership and architectural direction across squads to ensure consistent, high‐quality ...

Principal-level engineering of modern C# cloud software enhancing sustainability Cambridge, hybrid working; to £80k+ DoE with top benefits This role will suit a principal software developer with expertise guiding and contributing directly to cloud software development with AWS or Azure. The data-oriented platform and pipeline … suite of applications with a positive impact on global sustainability, and this is a prominent role with responsibility and reward. You will have a principal engineer's ability to address the finer points of architecture, consider the ramifications of far-reaching decisions, collaborate with stakeholders, and cultivate and apply ...

Principal-level engineering of modern C# cloud software enhancing sustainability Cambridge, hybrid working; to £80k+ DoE with top benefits This role will suit a principal software developer with expertise guiding and contributing directly to cloud software development with AWS or Azure. The data-oriented platform and pipeline … suite of applications with a positive impact on global sustainability, and this is a prominent role with responsibility and reward. You will have a principal engineers ability to address the finer points of architecture, consider the ramifications of far-reaching decisions, collaborate with stakeholders, and cultivate and apply ...

Overview Great opportunity for a Principal Developer to work remotely for a SaaS start-up in Manchester going through a period of growth. You'd join a small engineering department and would lead a cross functional product-based team responsible for building cloud-native, serverless systems ...

growing SaaS company in Manchester is seeking a Principal Developer to lead a product-based team. This role offers the opportunity to work remotely with responsibilities spanning from product ideation to deployment. Ideal candidates will have extensive experience in C#, .NET, and cloud-native systems. The position includes ...

Bell Integration in the United Kingdom is seeking a Principal Developer to provide senior technical leadership across the IP Development team and set architectural direction for scalable engineering delivery across squads. You will mentor Lead Developers and senior engineers, lead architectural reviews, and drive innovation with ...

Great opportunity for a Principal .NET Developer to join a SaaS scale-up in Manchester. Since their inception in 2015 this company has grown from start-up to scale-up, they now employ almost 200 people and have over 50,000 clients using their software around the world. … increments of value to their customers very frequently. This role sits across the teams responsible for developing their flagship software platform and as a Principal .NET Developer, you’ll be given the opportunity to lead teams that build, test and ship super-fast in an environment where people ...

growing technology company in Manchester is seeking a Principal .NET Developer to lead teams in developing their flagship software platform. You will work in an agile environment, focusing on best engineering practices. The position offers a competitive salary of up to £80k along with benefits. Ideal candidates will ...

Principal-level engineering of modern C# cloud software enhancing sustainability Cambridge, hybrid working; to £80k+ DoE with top benefits This role will suit a principal software developer with expertise guiding and contributing directly to cloud software development with AWS or Azure. The data-oriented platform and pipeline ...

hackajob is partnering directly with Version 1 to hire for this role. Company Description Version 1 has celebrated30 yearsinbusinessand continues to be trusted by global brands to delivertechnology and transformationsolutions that drive customer success. Ourdeepexpertiseenables ...

hackajob is partnering directly with Version 1 to hire for this role. Company Description Version 1 has celebrated30 yearsinbusinessand continues to be trusted by global brands to delivertechnology and transformationsolutions that drive customer success. Ourdeepexpertiseenables ...

Confidential Challenger Banking Client are looking for Principal Engineers to build new greenfield AI native digital banking products 0-1! They are using the latest AI Technology to ship fast. They can offer up to £150,000 basic + 20% bonus + double matched pension. They are based … London, and collaborate 2 days a week in the office. We are looking for strong Full Stack Principal Engineers to lead a squad of 8-10 with the following experience: Seniority: experience leading as a principal, staff level or tech lead. Ownership/Accountability: Have been responsible ...

Confidential Challenger Banking Client are looking for Principal Engineers to build new greenfield AI native digital banking products 0-1! They are using the latest AI Technology to ship fast. They can offer up to £150,000 basic + 20% bonus + double matched pension. They are based … London, and collaborate 2 days a week in the office. We are looking for strong Full Stack Principal Engineers to lead a squad of 8-10 with the following experience: Seniority: experience leading as a principal, staff level or tech lead. Ownership/Accountability: Have been responsible ...

Lead/Principal Full stack Developer React AI Engineer Location: London (Hybrid - 3-4 days per week) Salary: £120,000 - £1600,000 + Equity + Excellent Benefits Job Type: Permanent Build the Next Generation of AI Products We're partnering with an innovative, fast-growing technology company that … redefining how AI-powered products are built and delivered. This is an exciting opportunity for a Lead/Principal React AI Engineer to join a high-calibre engineering team developing cutting-edge AI applications used by customers globally. You'll play a pivotal role in building intuitive user experiences ...

adapt to the constantly evolving aviation environment. The Role We are looking for an experienced hands‐on Technical Architect or Systems design focused Principal Engineer to provide technical leadership across a portfolio of digital services. This is a role that combines architecture,engineering,and delivery. You will work closely … blockers. About You 5+ years of experiencedesigning and delivering enterprise level cloud‐based web applications and services, gained as a hands‐on Technical Architect, Principal Engineer, Lead Engineer or in a similar senior technical role. Able to communicate complex technical issues clearly through concise documentation,diagrams,and constructive conversations ...

predictive intelligence. Represent the AI engineering organisation in technical conversations and architectural reviews with outside teams. Your Qualifications Strong experience working within Software Engineering, Principal or Architect‐level role owning systems at scale. Deep expertise in Python and in designing and operating high‐availability, production ML services. Hands ...

Date Posted: 2026-09-18 Country: United Kingdom Location: Winnersh, Wokingham Position Role Type: Hybrid Principal Training Developer Permanent Benefits £: Competitive salary Contributory Pension Scheme (up to 10.5% company contribution) 6 times salary 'Life Assurance' with pension 25 days holiday (increasing with service) + statutory public holidays, plus … products remain of the highest quality and up to date with latest initiatives and advances in technology. Working closely with the rest of the Principal Training Developers to ensure alignment across quality, output and future direction. Coaching & mentoring training developers and aligning development opportunities where possible to help raise ...

Confidential Challenger Banking Client are looking for Principal Engineers to build new greenfield AI native digital banking products 0-1! They are using the latest AI Technology to ship fast. They can offer up to £150,000 basic + 20% bonus + double matched pension. They are based ...

Indra Group UK & Ireland is seeking a Principal IT Developer Lead on a 12-month FTC to steer design, development and ongoing improvement of enterprise applications for the TfL ticketing programme in London. The successful candidate will lead development teams, shape architectural designs, manage the full SDLC ...

seeking an experienced and opinionated Principal Java Engineer to join our high-performing engineering team, working on low latency, high-throughput systems in the payments processing domain. This hybrid role is based in the UK and offers the opportunity to build scalable, real-time services using modern technologies.If ...

team. All of these while having fun truly makes FlexTrade a wonderful place to work. The Team We are looking for an amazing developer to join our team building FlexTrade’s OEMS platform, FlexONE, which is our state-of-the-art, fully integrated Order Management System and Execution Management … customer or product requirements, through implementation, QA and delivery. Each team member works on every part of the system. About You As Senior Web Developer , be part of our FlexONE team and own critical product surfaces across our web and mobile applications. You’ll work end-to-end across ...

their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Principal Java Engineer to join our high‐performing engineering team, working on low latency, high‐throughput systems in the payments processing domain. This hybrid role ...