76 to 100 of 673 Principal Software Engineer Jobs in the UK

Social network you want to login/join with: Principal Software Engineer – London/Winchester (Hybrid Remote) - £83k plus 10% Bonus, winchester col-narrow-left Client: Location: winchester, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 25.05.2025 Expiry … Date: 09.07.2025 col-wide Job Description: Principal Software Engineer – London/Winchester (Hybrid Remote) - £83k plus 10% Bonus 10% Bonus | 6% Pension | Private Medical | Flexible Hours | 2dpw in office | Enterprise-grade Projects Ada Meher is currently resourcing for a Principal Software Engineer to join … solutions and see great reward from the standard of the work they produce for their clients. We are expecting a strong response to this Principal Software Engineer role, so please apply with or send a CV to [emailprotected] ASAP to be considered! #J-18808-Ljbffr More ❯

Social network you want to login/join with: Principal Software Engineer – London/Winchester (Hybrid Remote) - £83k plus 10% Bonus, london (city of london) col-narrow-left Client: Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right … Job Views: 1 Posted: 25.05.2025 Expiry Date: 09.07.2025 col-wide Job Description: Principal Software Engineer – London/Winchester (Hybrid Remote) - £83k plus 10% Bonus 10% Bonus | 6% Pension | Private Medical | Flexible Hours | 2dpw in office | Enterprise-grade Projects Ada Meher is currently resourcing for a Principal Software Engineer to join the one of the country’s leading broadcasting and telecommunications companies as they continue to build and deploy new platforms to support content syndication and distribution via the Cloud. You’d be joining a team of circa 14 talented Engineers with responsibilities for More ❯

by Identify Solutions. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Principal Software (Data) Engineer - £105,000 + exceptional benefits - Architect the Future of Consumer Tech - Remote or hybrid My client is hiring a … Principal Software Engineer – Data, to help shape the future of a high-impact, consumer-facing platform used by millions each month. This is a rare opportunity to join a well-established but fast-evolving tech organisation that’s doubling down on modern architecture, engineering autonomy, and data … apply to hear more! Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries Software Development Referrals increase your chances of interviewing at Identify Solutions by 2x Get notified about new Software Engineer jobs in Oxford, England More ❯

Principal Software Engineer II (Fully Remote) Location: 100% Remote (UK & Ireland-based candidates preferred) Recruitment Partner: VANRATH Job Type: Full-time Permanent Industry: Fintech/SaaS/Payments VANRATH is proud to be partnering with an innovative and rapidly scaling fintech company to recruit a Principal Software Engineer II . This is a rare opportunity to play a pivotal role in building a modern, merchant-focused ecosystem while remaining hands-on in engineering. You'll help shape the future of the company's technical direction while contributing directly to the software that … infrastructure. This role is fully remote , offering you flexibility while working alongside a passionate, pragmatic, and forward-thinking engineering team. The Opportunity: As a Principal Software Engineer II , you'll lead the design, development, and strategic direction of key platform capabilities-such as APIs, Billing, Settlement, and More ❯

Join to apply for the Principal Embedded Software Engineer I role at CesiumAstro 1 day ago Be among the first 25 applicants Join to apply for the Principal Embedded Software Engineer I role at CesiumAstro Get AI-powered advice on this job and more … passionate, collaborative, energetic, and forward-thinking individuals to join our team. In this position, you will be responsible for low-level and high-level software in Cesium’s products through all phases of the development process. Key projects will include Linux-based single-board computers and high-reliability microcontroller … systems. Cesium’s goal is to create an out-of-the-box hardware and software experience which enhances our customers’ ability to rapidly integrate our products into their systems. As a Cesium software team member, you will be responsible for software designs from concept through production, including More ❯

Principal Software Engineer My client is undergoing an exciting digital transformation, re-platforming its technology stack. They are seeking a Principal Software Engineer to play a key role in shaping the future of their digital platforms. You will lead the design, execution, and integration … the companys digital strategy Ensure security, governance, and quality standards across development processes Oversee engineering execution, measuring productivity through KPIs Maintain high standards in software architecture, testing, and performance optimisation Collaborate with stakeholders, including Architects, Product Owners, and DevOps teams Support, mentor, and coach engineering teams Provide hands-on … coding support when required, ensuring best practices and modern development techniques What Were Looking For: Proven experience in software architecture, design, and development execution Technical leadership in engineering teams, driving innovation and best practices Expertise in at least one domain: eCommerce, Order Management, BI, Mobile Apps, or Fulfilment Strong More ❯

Principal Software Engineer My client is undergoing an exciting digital transformation, re-platforming its technology stack. They are seeking a Principal Software Engineer to play a key role in shaping the future of their digital platforms. You will lead the design, execution, and integration … company's digital strategy Ensure security, governance, and quality standards across development processes Oversee engineering execution, measuring productivity through KPIs Maintain high standards in software architecture, testing, and performance optimisation Collaborate with stakeholders, including Architects, Product Owners, and DevOps teams Support, mentor, and coach engineering teams Provide hands-on … coding support when required, ensuring best practices and modern development techniques What We're Looking For: Proven experience in software architecture, design, and development execution Technical leadership in engineering teams, driving innovation and best practices Expertise in at least one domain: eCommerce, Order Management, BI, Mobile Apps, or Fulfilment More ❯

Principal Software Engineer My client is undergoing an exciting digital transformation, re-platforming its technology stack. They are seeking a Principal Software Engineer to play a key role in shaping the future of their digital platforms. You will lead the design, execution, and integration … company’s digital strategy Ensure security, governance, and quality standards across development processes Oversee engineering execution, measuring productivity through KPIs Maintain high standards in software architecture, testing, and performance optimisation Collaborate with stakeholders, including Architects, Product Owners, and DevOps teams Support, mentor, and coach engineering teams Provide hands-on … coding support when required, ensuring best practices and modern development techniques What We’re Looking For: Proven experience in software architecture, design, and development execution Technical leadership in engineering teams, driving innovation and best practices Expertise in at least one domain: eCommerce, Order Management, BI, Mobile Apps, or Fulfilment More ❯

Job Description Principal Software Engineer/Lead Software Engineer/C++/Rust A well-funded technology start-up operating at the forefront of AI has secured significant multimillion-pound investment. The company is developing a truly unique software platform that transforms how organizations … interact with autonomous systems and the data they generate—bringing disparate technologies together and making them more user-friendly. You will join as a Principal Software Engineer - C++/Rust , a critical hire for this team. This position offers full ownership and autonomy from day one, and … plans to double in size over the coming months, it's an exciting time to join during a period of rapid growth. As the Principal Software Engineer, you’ll have the opportunity to build a team around you and make key strategic decisions shaping the company’s More ❯

Principal Software Engineer Start-up | FinTech | Product Engineer | TypeScript | React | Senior - Principal Level Experienced full stack software engineers required by a London based FinTech Start-Up with Series A Funding! You will be joining a group of extremely talented engineers being backed by some … + Equity. Location: Central London. Hybrid model working 3 days per week onsite, 2 days remote. We are searching for Senior, Staff or Principal level software engineers. Whilst comfortable working across the stack, it is expected that you will have a bias towards frontend or backend development. Whilst … we are open to Software Engineers coming from varied technical backgrounds, the ideal profile will have strong product background and have worked in JavaScript/TypeScript ecosystems. If you want to work within a talented group of TypeScript engineers who also happen to be a great group of people More ❯

this job and more exclusive features. St Neots, Cambridgeshire – hybrid working optional (2-3 days a week in the office) Your role As a Principal Software Development Engineer, you will work within a multi-disciplinary team, embracing agile methodologies while mentoring Engineers. You’ll create high-quality … software solutions that meet the needs of our internal and external customers, always delivered on time and to an exceptional standard. This role allows you to dive into resolving technical challenges, addressing technical debt, and continually improving your skills with dedicated “blue sky” time for professional development. You’ll … feature design, and help shape the architectural direction of our products. Join us and be part of something exciting! Main Areas of Responsibility: The Principal Software Development Engineer will work to design and refine required features, proposing alternative solutions to improve both customer and developer experience. They More ❯

Join to apply for the Principal UI Software Engineer role at TP ICAP 3 days ago Be among the first 25 applicants Join to apply for the Principal UI Software Engineer role at TP ICAP The TP ICAP Group is a world leading provider … products, asset classes, brands and regions. It has been recognized as the OTC trading platform of the year by Risk Magazine Role Overview The Principal UI Software Engineer will provide technical leadership on TP ICAP’s flagship Fusion platform. This includes the Fusion Platform UI team and … their discipline. You will lead the design, development, and implementation of cutting-edge trading applications while driving the technical direction of the team. The Principal Engineer will be passionate about software development and keen to use their technical skills to help their development teams to be successful. More ❯

Principal Software Engineer (Rates & FX) page is loaded Principal Software Engineer (Rates & FX) Apply locations Belfast time type Full time posted on Posted 4 Days Ago job requisition id R3782 Role Overview As a Principal Software Engineer at TP ICAP you … will be part of a talented team delivering business critical software for the internal broking division and their external customer base. You will work within an Agile environment, from design through to implementation, with a strong focus on continuous improvement whilst working collaboratively as part of self-organising, cross … Lead and manage a cross-functional team of engineers working on innovative Front Office solutions for our Rates & FX business lines Work closely with principal engineers in other regions to set and implement standards for engineering excellence Work closely with Solution Architects and Enterprise Architecture to build solutions that More ❯

Join to apply for the Principal Software Engineer role at Companies House 2 days ago Be among the first 25 applicants Join to apply for the Principal Software Engineer role at Companies House This range is provided by Companies House. Your actual pay will … experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Companies House We are recruiting for a Principal Software Developer to provide additional leadership to the Software Development profession during a time of growth. Are you someone who could help … is to work You’ll work closely with the Head of the Development to produce, lead and implement strategies to: Improve the flow of software into production and meet users needs. Ensure high quality software is delivered within an agile delivery environment through the constant improvement of standards More ❯

Principal Software Engineer - C, C++, Python, Cambridge Client: Spectrum IT Recruitment Location: Cambridge, UK Job Category: Engineering/Software Development EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Principal Software Engineer - C, C++, Python Join a … pioneering company specializing in cutting-edge radiation detection solutions, where your work will help protect and empower communities worldwide. Role Overview: As a Principal Software Engineer, you will lead high-stakes projects, collaborate with an experienced team, and utilize your technical expertise to drive product excellence. This More ❯

Principal Software Engineer (React, Node, AWS), London Client: Oliver Bernard Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 25.05.2025 Expiry Date: 09.07.2025 Job Description: We are seeking a Principal Software Engineer (TypeScript) to join a startup … funding. The role involves working with a passionate technology team that values innovation, collaboration, and excellent service, embracing new ideas and technologies. As a Principal Engineer, you will work alongside experienced full-stack product engineers, utilizing TypeScript, React, Material UI, Postgres, and AWS Services, taking end-to-end … a fast-paced startup environment. Focus on building reliable and well-architected products. A Computer Science degree is a bonus. If you are a Principal Engineer looking to work for one of the fastest-growing startups, please apply. #J-18808-Ljbffr More ❯

Principal Software Engineer - C, C++, Python, South West London Client: Spectrum IT Recruitment Location: South West London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Principal Software Engineer Join a pioneering company … specializing in cutting-edge radiation detection solutions, where your work will help protect and empower communities worldwide. Role Overview: As a Principal Software Engineer, you will work on high-stakes projects, collaborate with an experienced team, and utilize your expertise in C, C++, and Python to develop … innovative solutions. You will contribute to products used in customs, border protection, law enforcement, military, and emergency services. Qualifications: Deep expertise in software development with C, C++, and Python. Experience with cloud and on-premises environments, including Kubernetes, Helm Charts, Terraform, or Ansible. Proficiency in CI/CD tools More ❯

Principal Software Engineer - C, C++, Python, Stockport Client: Spectrum IT Recruitment Location: Stockport, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Principal Software Engineer Join a pioneering company in radiation detection solutions … where your work will protect and empower communities worldwide. As a Principal Software Engineer, you will work on high-stakes projects, collaborate with an experienced team, and drive product excellence. Responsibilities include: Designing and managing Kubernetes environments Working with IaC tools like Helm, Terraform, or Ansible Implementing More ❯

Principal Software Engineer - C, C++, Python, Exeter Client: Spectrum IT Recruitment Location: Exeter, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Principal Software Engineer Join a pioneering company specializing in cutting-edge … radiation detection solutions that protect and empower communities worldwide. As a Principal Software Engineer, you will work on high-stakes projects, collaborating with an experienced team to drive product excellence. This role offers the opportunity to build on the company's 18+ years of innovative solutions and More ❯

Principal Software Engineer - C, C++, Python Client: Spectrum IT Recruitment Location: Bradford, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Principal Software Engineer Join a pioneering company in radiation detection solutions, where … your work will protect and empower communities worldwide. Role Overview: As a Principal Software Engineer, you will work on high-stakes projects, collaborating with an experienced team to develop innovative solutions in a global impact industry, including customs, border protection, law enforcement, military, and emergency services. What More ❯

Principal Software Engineer - C, C++, Python, Chelmsford Client: Spectrum IT Recruitment Location: Chelmsford Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Principal Software Engineer Join a pioneering company in cutting-edge radiation detection solutions … where your work will protect and empower communities worldwide. As a Principal Software Engineer, you will work on high-stakes projects, collaborate with an experienced team, and leverage your expertise in C, C++, and Python to drive product excellence. What You Bring: Deep expertise in Cloud & On More ❯

Principal Software Engineer - C, C++, Python, Ipswich Client: Spectrum IT Recruitment Location: Ipswich Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Principal Software Engineer Join a pioneering company in cutting-edge radiation detection solutions … where your work will protect and empower communities worldwide. As a Principal Software Engineer, you'll work on high-stakes projects, collaborate with an experienced team, and use your expertise in C, C++, and Python to drive product excellence. Responsibilities include: Designing and managing Kubernetes environments Working More ❯

Principal Software Engineer (£95k + 15% bonus) This is a unique opportunity for a Principal Software Engineer to join an ecommerce scale-up in Manchester. The company have the backing of a FTSE 250 business and launched to the public late 2020 with a … full UK wide TV advertising campaign. As a Principal Software Engineer you'd become part of the leadership team and would work alongside other Principals, Tech Leads, Engineering Managers and Heads of Engineering to guide the evolution of serverless event driven systems in an AWS environment whilst … teams who value diversity and teamwork over individual heroics and you'd be working alongside product, data and delivery professionals, as well as other software engineers passionate about using quality practices like TDD, Pair Programming and DevOps. Tech: TypeScript, Node, React The money is good too - up to More ❯

Principal Software Engineer (£95k + 15% bonus) This is a unique opportunity for a Principal Software Engineer to join an ecommerce scale-up in Manchester. The company have the backing of a FTSE 250 business and launched to the public late 2020 with a … full UK wide TV advertising campaign. As a Principal Software Engineer you’d become part of the leadership team and would work alongside other Principals, Tech Leads, Engineering Managers and Heads of Engineering to guide the evolution of serverless event driven systems in an AWS environment whilst … teams who value diversity and teamwork over individual heroics and you’d be working alongside product, data and delivery professionals, as well as other software engineers passionate about using quality practices like TDD, Pair Programming and DevOps. Tech: TypeScript, Node, React The money is good too – up to More ❯

Social network you want to login/join with: Principal Software Engineer, southampton col-narrow-left Client: Stott and May Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description … Principal Software Engineer 2 days/week in Winchester or London office) £83,000 base salary + 10% annual bonus + 6% pension contribution + Private medical insurance We're looking for a Senior Principal Software Engineer to play a strategic role in guiding … You’ll Do Lead development across complex systems and cross-functional teams Act as a key decision-maker and deputy to the Head of Software Engineering Define and promote best practices across the software development lifecycle Guide architectural choices to ensure scalable, sustainable solutions Champion modern tools, frameworks More ❯