1 to 25 of 27 Principal Developer Jobs in the UK

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 C# Developer/Engineer (C# .Net AWS Python) London/WFH to 120kWould you like to join a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression … Principal C# Developer you will architect and build highly performant and scalable solutions using the Microsoft tech stack and SOLID design principles, collaborating with cross functional Agile project teams in 2 week Sprints, you'll be an advocate of best practice and ensure software is delivered to schedule. ...

Principal Java Developer/Software Engineer (Java Spring Boot AWS) London/WFH to £120kAre you an experienced Java Developer, with technical project leadership and client facing skills You could be progressing your career at a global technology consultancy.What's in it for you:Salary to £120kPension … family, including mental healthTravel InsuranceCharitable givingGym membership for you and your familyFlexible holiday schemeHybrid working (x2 days WFH per week)Your role:As a Principal Java Developer you will lead client projects, often long term technical transformations, designing, developing and delivering a range of projects for clients, mainly ...

company are looking for a Principal Developer to join our world-class digital technology consultancy and home to a diverse, smart, curious, and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer challenges. We help … operations. This is a Hybrid role working from our London office 2 days a week. Shape the Future of Digital Innovation As a Principal Developer, you will act as a strategic technical leader, guiding and shaping robust architectures, data strategies, and cloud-native environments across multiple squads ...

Principal Backend Developer (C#/.NET) The Opportunity This is a career-defining role for a Principal Backend Developer who wants to be at the forefront of a growing SaaS organisation. You'll be joining a company that's scaling rapidly, building innovative products that make ...

seeking an exceptional Principal Front End Developer to architect our front‐end ecosystem and guide our team into an AI‐native future. This role combines hands‐on development with strategic leadership, driving innovation in our user interfaces while mentoring a talented front‐end team in adopting AI‐native … workflows. The ideal candidate will shape our front‐end architecture, liaise closely with the principal developer team (including backend and product) to ensure architectural alignment, and guide the company in elevating UI development standards. As our Principal Front End Developer, you will champion agentic coding workflows ...

Trainee Information System (TIS) Principal Developer role presents an exciting opportunity to be part of service that is delivering positive change to our users and stakeholders. We are a multi‐disciplinary agile team that develops and maintains digital products and services aimed at supporting and improving Postgraduate Medical ...

Principal .Net Developer Wokingham (2 days onsite/3 days WFH) Up to £85,000 + Bonus Were hiring for a scaling digital products business building modern, cloud-based platforms used across financial services and enterprise. This is a hands-on, product-driven role not consultancy, not legacy ...

United States Digital Space LLC is seeking a Principal Developer for the Trainee Information System (TIS). You will lead software development strategy, ensure robust and scalable solutions, and provide technical leadership across a multi-disciplinary agile team supporting PMDE services in England. The role requires experience with ...

Principal Front End Developer/Engineer (React) London/WFH to £120kAre you an experienced Front End Developer, with technical project leadership and client facing skills You could be progressing your career at a global technology consultancy.What's in it for you:Salary to £120kPension, Life Assurance … ProtectionPrivate medical care for you and your family, including mental healthTravel InsuranceCharitable givingGym membership for you and your familyFlexible holiday schemeYour role:As a Principal Front End Developer you will lead the development of scalable and secure web applications for global financial clients using modern JavaScript frameworks, primarily ...

Your New Role I'm currently working with a London-based Financial Services client who are looking to bring in a Principal .Net Developer to develop and maintain a range of business-critical applications as a hands-on leader. What you'll need to succeed : Extensive hands … .Net development experience within investment banking or investment management Proven experience as a principal/lead developer, leading and mentoring junior developers Strong experience with SQL Good Kubernetes experience What you'll get in return : Up to £830pd Umbrella Initial 6-month contract with extensions London-based hybrid ...

Company DescriptionVersion 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate ...

Company DescriptionVersion 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate ...

Company DescriptionVersion 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate ...

Company DescriptionVersion 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate ...

Company DescriptionVersion 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate ...

Company DescriptionVersion 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate ...

Company Description Version 1 has celebrated30 yearsinbusinessand continues to be trusted by global brands to delivertechnology and transformationsolutions that drive customer success. Ourdeepexpertiseenables our customers to navigate the rapidlyevolving technology landscape. We foster strong partnerships ...

Principal Backend Engineer – JavaLocation: Edinburgh (Hybrid) | Practice Area: Technology & Engineering | Type: PermanentArchitect the next generation of financial platforms. Lead with Java expertise. Deliver impact at scale.The RoleWe’re looking for a Principal Backend Engineer (Java) to join our Technology & Engineering team. This leadership-level role calls for deep ...

Principal Backend Engineer – JavaLocation: Glasgow (Hybrid) | Practice Area: Technology & Engineering | Type: PermanentArchitect the next generation of financial platforms. Lead with Java expertise. Deliver impact at scale.The RoleWe’re looking for a Principal Backend Engineer (Java) to join our Technology & Engineering team. This leadership-level role calls for deep ...

software development best practices (virtual environments, git, CI/CD, code review etc.)Hands on experience applying AI and agentic approaches to improve developer productivity of data-driven applicationsSolution-oriented mindset with a collaborative spiritGood written EnglishDesirable requirements:Good understanding of drug development processHigh level understanding of the regulatory ...

open-source communities to collaborate in external settings. Minimum requirement: MSc in a quantitative/computational science or eqivalent Experience as an R developer Deep knowledge of data manipulation (tidyverse) and data visualization (ggplot2, plotly). Demonstrated ability to develop production-grade R packages, including comprehensive documentation and rigorous … software development best practices (virtual environments, git, CI/CD, code review etc.) Hands on experience applying AI and agentic approaches to improve developer productivity of data-driven applications Solution-oriented mindset with a collaborative spirit Good written English Desirable requirements: Good understanding of drug development process High level ...

inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Principal Backend Engineer – Java Location: Edinburgh (Hybrid) | Practice Area : Technology & Engineering | Type: Permanent Architect the next generation of financial platforms. Lead with Java expertise. Deliver impact … scale. The Role We’re looking for a Principal Backend Engineer (Java) to join our Technology & Engineering team. This leadership-level role calls for deep technical acumen, a security-first mindset, and strong coaching capabilities. You’ll architect cloud-native backend systems, shape our engineering standards, and mentor teams ...

want to change the status quo, we'll help you make your moment. Join Team Purple. Join the company. Job Description As a Principal Platform Engineer (IDP Focus), you will be the primary hands‐on technical resource responsible for the implementation, configuration, and ongoing support of the the company … Internal Developer Platform. You will work within the Platform Engineering team to build the tooling and automation that enables product teams to self‐serve infrastructure, services, and deployment pipelines on top of Kairos and Nexus. This is a deeply technical, delivery-focused role. You will be building and operating ...

life, but being part of a team which has already done extraordinary things and looks to do a few more. If you’re a developer, front-end or full-stack, and want to join one hell of a journey. Click the apply button and let’s talk. ...