London, England, United Kingdom Hybrid / WFH Options
Primis
PrincipalSoftwareEngineer £85,000 Remote, UK and Ireland We’re looking for a Senior or PrincipalSoftwareEngineer to join a growing and dedicated Software function who are pushing to be the best at what they deliver. Are you experienced with being … a hands on Senior SoftwareEngineer who can provide and contextualise the why and the how to other members of your team? This role could be for you! The PrincipalSoftwareEngineer is a key member of an Agile squad, who is able to put … cover 5% pension Opportunities to progress into management More to be discussed Please hit quick apply or send an email to beth.lees@primis-talent.com PrincipalSoftwareEngineer, Senior SoftwareEngineer, Lead SoftwareEngineer, C#, .NET, OOP, SOLID, RabbitMQ More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Burns Sheehan
PrincipalEngineer – ClimateTech | Tech Strategy for a New Platform London – 1 day a week Up to £130,000 plus stock Typescript | Python | GraphQL | AWS PrincipalEngineer – We have been exclusively engaged by a leading ClimateTech business to hire a PrincipalEngineer who will provide … key strategic direction for their growth plans in 2024. The PrincipalEngineer will report to the CTO and be responsible for shaping the technical roadmap for their platform which provides petabyte volumes of data for genuine climate impact. The PrincipalEngineer will be their first hire … at this level, providing technical leadership to an Engineering function of approximately 40 Engineers across Software, Data and SRE. In 2024 they plan to build a new, scalable platform, unlocking more products and driving growth/revenue. They are tech-agnostic; however, you will work extensively with Typescript, Python More ❯
London, England, United Kingdom Hybrid / WFH Options
Corriculo Ltd
Senior SoftwareEngineer, Python, AWS, Postgres, COR7231 Are you a skilled Senior SoftwareEngineer with strong Python expertise and a passion for solving complex technical challenges? We’re looking for a Senior SoftwareEngineer who’s seeking a tough, complex and highly rewarding technical … challenge. We require a Senior SoftwareEngineer who’s seeking a role that involves solving fresh problems, using the latest in technological advancement. My client is a well-funded start-up with grand plans and incredible ambition. This is a start-up opportunity not to be missed... A … chance to build something that matters and has impact! The Role This is an exciting Senior SoftwareEngineer role at a rapidly scaling AI-focused company whose mission is both economically and environmentally motivated. The Senior SoftwareEngineer will work to bring to market a product More ❯
City of London, England, United Kingdom Hybrid / WFH Options
Wilson Brown Limited
PrincipalSoftwareEngineer 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 ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
PrincipalSoftwareEngineer – London/Winchester (Hybrid Remote) - £83k plus 10% Bonus 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: PrincipalSoftwareEngineer – London/Winchester (Hybrid Remote) - £83k plus … Bonus | 6% Pension | Private Medical | Flexible Hours | 2 days per week in office | Enterprise-grade Projects Ada Meher is currently recruiting for a PrincipalSoftwareEngineer to join one of the country’s leading broadcasting and telecommunications companies. The role involves building and deploying new platforms to More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ada Meher
PrincipalSoftwareEngineer – 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 PrincipalSoftwareEngineer to join the one of the country’s … solutions and see great reward from the standard of the work they produce for their clients. We are expecting a strong response to this PrincipalSoftwareEngineer role, so please apply with or send a CV to matthew.coney@adameher.com ASAP to be considered More ❯
PrincipalSoftwareEngineer – 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 PrincipalSoftwareEngineer to join the one of the country’s … solutions and see great reward from the standard of the work they produce for their clients. We are expecting a strong response to this PrincipalSoftwareEngineer role, so please apply with or send a CV to matthew.coney@adameher.com ASAP to be considered More ❯
East London, London, United Kingdom Hybrid / WFH Options
Ada Meher
PrincipalSoftwareEngineer – 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 PrincipalSoftwareEngineer to join the one of the country’s … solutions and see great reward from the standard of the work they produce for their clients. We are expecting a strong response to this PrincipalSoftwareEngineer role, so please apply with or send a CV to matthew.coney@adameher.com ASAP to be considered More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Ada Meher
PrincipalSoftwareEngineer – 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 PrincipalSoftwareEngineer to join the one of the country’s … solutions and see great reward from the standard of the work they produce for their clients. We are expecting a strong response to this PrincipalSoftwareEngineer role, so please apply with or send a CV to matthew.coney@adameher.com ASAP to be considered More ❯
PrincipalSoftwareEngineer – Cards & Credit (Python, Java, Clojure, AWS) 💰 Up to £135,000 + bonus (15-22%) + annual equity 🖥️ Python, Distributed Systems, High-Scale Architecture 📍 London, hybrid working (2 days/week) 🤝 Leading business lending platform I'm partnered with one of the UK’s most … new product line which has become the company’s highest-growth area, with its own dedicated leadership and roadmap. They’re now hiring a PrincipalEngineer to become the technical lead across two core engineering teams working in the card and credit space. This is a critical hands … their London office (no fixed days) Be part of a high-ownership role with real scope to shape the success of a growing product PrincipalSoftwareEngineer – Cards & Credit (Python, Java, Clojure, AWS More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Burns Sheehan
PrincipalSoftwareEngineer – Cards & Credit (Python, Java, Clojure, AWS) 💰 Up to £135,000 + bonus (15-22%) + annual equity 🖥️ Python, Distributed Systems, High-Scale Architecture 📍 London, hybrid working (2 days/week) 🤝 Leading business lending platform I'm partnered with one of the UK’s most … new product line which has become the company’s highest-growth area, with its own dedicated leadership and roadmap. They’re now hiring a PrincipalEngineer to become the technical lead across two core engineering teams working in the card and credit space. This is a critical hands … their London office (no fixed days) Be part of a high-ownership role with real scope to shape the success of a growing product PrincipalSoftwareEngineer – Cards & Credit (Python, Java, Clojure, AWS More ❯
London, England, United Kingdom Hybrid / WFH Options
FactSet
PrincipalSoftwareEngineer - Hybrid - Datafeed Server Apply locations London, GBR time type Full time posted on Posted Yesterday job requisition id R26089 Datafeed Server SoftwareEngineer FactSet is seeking a talented softwareengineer with strong C/C++ skills to join the Datafeed … that deliver streaming real-time market data, and multiple SDKs that target several different programming languages, on both the Windows and Linux platforms. Our software allows internal and external engineers to programmatically access real-time market data content across a wide variety of platforms and languages. With just a … few lines of code, users can easily integrate FactSet’s wide range of streaming market-data into their applications. Responsibilities: Develop, test, and deploy software and services to end users. Design and implement user-friendly APIs that deliver streaming real-time market data. Participate in and contribute to design More ❯
City of London, England, United Kingdom Hybrid / WFH Options
Made Tech
Our PrincipalSoftware Engineers are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients. We believe that great delivery stems from a thorough understanding of our clients and their needs, strong discipline skills and subject matter expertise, excellent leadership and a clear … vision of lasting and effective change in a public sector environment. We expect our PrincipalSoftware Engineers to bring all of that and enthuse our delivery teams with the same passion. The successful candidate will lead the Software Engineering aspects of our client engagements while overseeing the … wider delivery within the account (or industry) when appropriate. In addition, our PrincipalSoftware Engineers are responsible for engaging with our clients to understand their challenges and build lasting, trusted advisor relationships. They will also oversee multiple, concurrent client deliveries to help ensure quality and drive the sharing More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Lead SoftwareEngineer, Principal Developer, Terraform, AZURE, C# 100% Remote UK Inside IR35, London Client: Experis UK 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: Job Title: Lead SoftwareEngineer, Principal Developer, Terraform, AZURE, C# Location: 100% Remote, UK Inside IR35 We are seeking an experienced Lead SoftwareEngineer/Principal Developer with expertise in Terraform , Azure , and C# to join our team. This role is remote, based More ❯
London, England, United Kingdom Hybrid / WFH Options
Fynity
Principal Java SoftwareEngineer London (Hybrid – 1–2 days/week onsite) Join a FinTech Powering the Future of Payments Are you an experienced Senior/Principal Java SoftwareEngineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time … office Opportunity to collaborate with major global banks Fast-paced, product-led environment where your voice matters If you're a motivated Senior/PrincipalEngineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯
Title : PrincipalSoftwareEngineer Company : HPC R&D Location : London (Hybrid) Pay : Up to £150,000 Company : An advanced HPC R&D firm, looking to expand the UK compiler team. Most of the team are ex-Big-Tech, ex-FAANG or ex-Chip firms. They joined because … technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : PrincipalSoftwareEngineer position with an emphasis on GPU compiler development in the context of AI. You will be working with Triton, but … edge compiler development project. Significant hires have already been made in the team to support this role. About you: 6 years+ as a compiler engineer Strong C++ programming skills Experience with Triton, LLVM, MLIR or other compilers Experience with GPU architectures Full details are available. Please don't hesitate More ❯
South East London, London, United Kingdom Hybrid / WFH Options
Corriculo Ltd
Principal 3D Computer Vision SoftwareEngineer, Python, AI, COR7246 Are you a seasoned Computer Vision SoftwareEngineer with a passion for solving complex 3D AI problems and building real-world, high-impact technology? This could be your opportunity to join an ambitious, mission-driven AI … a start-up opportunity not to be missed... A chance to build something that matters and has impact! The Role This is a unique Principal 3D AI Computer Vision Engineer position at a company building a cutting edge 3D AI platform. As PrincipalEngineer, you'll … lead 3D/2D vision and machine learning projects from design to deployment, working alongside talented software and product teams to turn complex 3D data into meaningful, actionable insights - a strong commercial background in 3D Computer Vision, Computational Geometry, or Machine Vision is a must! This role is hybrid More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: PrincipalSoftwareEngineer | Permanent | London | £130K - £160K base Location: London - Hybrid (4 days in office) Job type: Permanent Cititec Talent is excited to partner with a global commodities firm seeking a PrincipalSoftwareEngineer to … What you'll do: Lead the development of core frameworks and services for a cutting-edge data and analytics platform on AWS. Architect and engineer new solutions to enhance the platform’s core capabilities, ensuring scalable and robust design. Develop and maintain shared libraries, frameworks, APIs, SDKs, and microservices … to support advanced analytics functions. Collaborate with cloud platform engineers, data engineers, data scientists, and other software engineers to drive cross-functional projects. Requirements: Strong background in software engineering, with expertise in Python, Java, Go, or Rust. Extensive experience in API design and development, as well as client More ❯
London, England, United Kingdom Hybrid / WFH Options
MARKS&SPENCER
looking for people to join our community of engineers to support this transformation, build a modern digital ecosystem. Scope: We are seeking a passionate PrincipalSoftwareEngineer to join us working across Fulfilment systems at M&S, where you will be a driving force behind the modernisation … M&S, as we scale. As a technical leader, you will be collaborating with multiple multi-functional teams to design, build, and maintain the software that powers our fulfilment operations: order and returns management, fulfilment optimisation, stock management, in-store fulfilment and collections, supplier and carrier management. Your expertise … will help us create a best-in-class engineering environment while ensuring our systems are robust and scalable. The PrincipalSoftwareEngineer role is the embodiment of 'solving problems through technology' with key responsibilities as follows: Lead technical excellence from design to operations and launch of core More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Aventum Group
Job Title: PrincipalSoftwareEngineer X2 Entity: Aventum Department: Technology Location: London/Hybrid Who We Are Since its inception, Aventum Group has sought a different approach to insurance. We are on a mission to be the ‘most inspiring specialty (re)insurance group in the world’. … goals and ambitions. Role Summary You will assume a pivotal role, leveraging your extensive expertise to drive innovation and excellence across all facets of software development. In addition to spearheading the design, development, and maintenance of sophisticated software solutions, you will take a lead role in mentorship, software design and architecture, and championing secure software development practices throughout the software development lifecycle. Drawing from your wealth of experience with multiple programming languages, advanced software development methodologies, and industry best practices, you will serve as a beacon of knowledge and inspiration, guiding and mentoring both More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Curtis Reed Associates
PrincipalSoftwareEngineer with strong problem solving skills and deep technical expertise is required to join high calibre Product Engineering Team and lead the end-to-end design, implementation and delivery of future architecture for highly scalable, low latency systems within the Banking sector. Key Skills/… Experience: Clear understanding of data structures, algorithms, software design, design patterns & core programming concepts. Strong Computer Science skills including hands-on expertise in Java, Python, Apache Kafka, SQL, Databases, etc Cloud native solutions and public cloud platforms – GCP preferred Microservices, Containers (Docker, Kubernetes) Designing, building and supporting distributed systems … Preferred Skills/Experience: Master's degree or PhD in computer science or related field Certification in GCP “Cloud Architect”, “Cloud Developer”, “Professional Data Engineer”, or similar Certification in Apache Kafka (CCDAK) Team-leading Main Responsibilities: Lead end-to-end design, implementation and delivery of future architecture for highly More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Curtis Reed Associates
PrincipalSoftwareEngineer with strong problem solving skills and deep technical expertise is required to join high calibre Product Engineering Team and lead the end-to-end design, implementation and delivery of future architecture for highly scalable, low latency systems within the Banking sector. Key Skills/… Experience: Clear understanding of data structures, algorithms, software design, design patterns & core programming concepts. Strong Computer Science skills including hands-on expertise in Java, Python, Apache Kafka, SQL, Databases, etc Cloud native solutions and public cloud platforms – GCP preferred Microservices, Containers (Docker, Kubernetes) Designing, building and supporting distributed systems … Preferred Skills/Experience: Master's degree or PhD in computer science or related field Certification in GCP “Cloud Architect”, “Cloud Developer”, “Professional Data Engineer”, or similar Certification in Apache Kafka (CCDAK) Team-leading Main Responsibilities: Lead end-to-end design, implementation and delivery of future architecture for highly More ❯
Hounslow, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: PrincipalSoftwareEngineer, south west london col-narrow-left Client: Lorien Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide … Job Description: Principal Frontend Engineer Manchester city centre 2 days in office + flexible working hours JOB PURPOSE Having recently launched a new proprietary back-end enterprise platform, you will play a key role in transforming the front-end elements that serve millions of customers across the UK. … This will involve working closely with the Heads of Technology, Software Architects and team leads, so strong stakeholder management ability is crucial. Duties: Scaling and performance optimisation of web front-end and interaction with API layers Resolve high-level, complex software challenges and optimise system performance Implement softwareMore ❯
London, England, United Kingdom Hybrid / WFH Options
MARKS&SPENCER
championing Engineering excellence in a key area for M&S, that enables our on-line customers to find, evaluate and buy products. As the PrincipalEngineer for Selling Experience, you will support multiple teams in providing an engaging, simplified, transparent and inspirational digital experience that delivers the best … Engineering Excellence and creating culture of innovation. Making use of Platforms in order to maximise the value delivered by teams Key Accountabilities & Responsibilities The PrincipalSoftwareEngineer role is the embodiment of 'solving problems through technology' with key responsibilities as follows: Lead technical excellence from design to … technology Support recruitment, onboarding and internal and external brand outreach activities What We Need From You: Experience in implementing solutions using modern, web facing software solutions that provide the best possible experience across multiple devices Specialist in clean code and implementation of design patterns for common problems. Depth of More ❯
theblockchain have the power to fundamentally change the art world by creating greater choice,independence, and opportunity for artists, creators, and collectors. The Role: PrincipalSoftwareEngineer At the Principal level, engineers are expected to master their immediate domain and have broad impactacross other engineering teams. … This person will define technical direction, unblock and mentorteammates, and tackle the most complex system and architectural challenges. Principal engineers aredistinguished by their organization-level impact and focus on high-leverage activity, in addition to directcode contribution. Beyond pure technical focus, Principals bridge the gap between management and engineering … disseminate thiscontext to both audiences, up-leveling the entire organization in depth and delivery. Responsibilities: Influence leadership/CTO organization and collaborate with other Principal Engineers across the organization to build the right software architecture for Nifty Gateway. Design, implement, deploy, and maintain services supporting multiple engineering teams. More ❯