101 to 125 of 127 Principal Engineer Jobs in the Thames Valley

Social network you want to login/join with: Senior Back End Engineer | Node.js | up to £100,000, slough col-narrow-left Client: RedCat Digital Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: I am looking for a Senior Back … End Engineer (Node.js) to join a scaleup on a mission to transform UK healthcare with their innovative FinTech solutions. At a time when the healthcare system is evolving rapidly, you would be pivotal in building products that focus is on accessibility and affordability for their customers. As a high-growth start-up, they have launched their initial flagship product More ❯

Social network you want to login/join with: Location: London (Hybrid – 2 days onsite) Rate: Up to £800/day (PAYE) Duration: 6 months Start Date: 21 April 2025 IR35 Status: PAYE A leading financial services organisation is seeking More ❯

name provider of information technology, consulting, and business process outsourcing services, constantly ranked among the top performing and fastest growing companies worldwide. We are currently looking for an experienced Principal Data Engineer to join us to work alongside a key public sector client. A Successful Principal Data Engineer will have: Heavy experience in AWS infrastructure. Hands … with Matillion. Demonstrable knowledge in ETL & using patterns for cloud data warehouse solutions. Lengthy experience in consulting firms. Experience working with public sector clients. Eligibility for unrestricted SC Clearance. Principal Data Engineer Key Details Salary up to £105k (with additional flexibility for outstanding candidates). Performance Bonus. Flexible hybrid working. Must be eligible for SC Clearance. If the … Principal Data Engineer role sounds like a fit for you, make sure to click apply now! If you'd like to discuss the Principal Data Engineer role further, make sure to get in contact with Zachary Phillips at Anson McCade for a private discussion about the role or any additional details. More ❯

Social network you want to login/join with: Principal Engineer (Java/Kotlin), Slough Client: Xcede Location: Slough, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Role: Principal Engineer Stack: Java, Kotlin, AWS Location: London, Hybrid (2-4x Month) Xcede is partnering … with a FinTech scale-up building a new SaaS platform integrating directly with major banking institutions. What will you do as a Principal Engineer? Lead architectural discussions and act as the technical authority within the engineering team. Collaborate with Product Managers and Engineers to optimize solutions. Engage with clients to gather requirements and understand problems. Set best practices … core stack (JVM/Kotlin, Typescript, AWS). Experience building and designing large-scale engineering platforms. Comfortable working with both technical and non-technical stakeholders. 3+ years as a Principal/Staff Engineer or Architect. Experience dealing with clients in a commercial environment (consultancy, SaaS, etc.). Preference for experience within SaaS or FinTech. If this sounds interesting More ❯

Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a Principal Engineer? You will be leading architectural discussions … core stack (JVM/Kotlin, Typescript and AWS) Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech If this sounds interesting, please More ❯

Social network you want to login/join with: Principal Engineer - 5G/6G RAN, slough col-narrow-left Client: IC Resources Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: This leading developer of wireless communications technologies is urgently … seeking a Principal Engineer 5G/6G RAN to be based at their R+D Centre in London. The Principal Engineer 5G/6G RAN will be involved in research and development of emerging 5G and 6G systems relevant to 3GPP RAN wireless standards. Along with this the Principal Engineer 5G/6G RAN will … be pivotal in driving next generation innovation and development addressing the challenges of future wireless systems development. The Principal Engineer 5G/6G RAN will also contribute to the development of innovative solutions, algorithms and protocols, addressing emerging technologies in wireless, video and AI applications. Your background will include extensive research and development experience gained in emerging wireless More ❯

Principal Machine Learning Engineer Paying between £100,000-£140,000 Hybrid in Central London La Fosse is partnered with a leading insurance company who are looking for an experienced Principal Machine Learning Engineer to drive their AI innovation at scale. They are looking for someone to lead a dynamic team in designing and deploying AI, ML … industry is a plus. Relevant experience in the insurance or financial sector is beneficial. If you’re interested in this role, apply through the AD to find out more! Principal Machine Learning Engineer More ❯

Social network you want to login/join with: Principal Machine Learning Engineer, slough col-narrow-left Client: Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 10.06.2025 Expiry Date: 25.07.2025 col-wide Job Description: Principal Machine Learning Engineer Paying between £100,000-£140,000 Hybrid … in Central London La Fosse is partnered with a leading insurance company who are looking for an experienced Principal Machine Learning Engineer to drive their AI innovation at scale. They are looking for someone to lead a dynamic team in designing and deploying AI, ML, NLP, and Generative AI solutions that will shape business models and deliver tangible More ❯

Social network you want to login/join with: Contract - Principal AI Engineer, Slough Client: Source Technology Location: Slough, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 5 Posted: 16.06.2025 Expiry Date: 31.07.2025 Job Description: Principal AI Engineer/Data Scientist Contract - inside IR35 London - hybrid £700-£900 inside IR35 (potential flex … quick learning ability AWS (or similar cloud) and rapid prototyping mindset Front-end exposure (e.g., React) is a nice-to-have but not required If you're an experienced engineer or scientist with a strong Python and commercial AI background, get in touch. #J-18808-Ljbffr More ❯

Social network you want to login/join with: Principal Go Engineer | Up to £200k | Hybrid London, slough col-narrow-left Client: Maze Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Principal Go (Golang) Engineer | Stealth Fintech … ground up. They’re creating the world’s first open-source, AI-native "Thin Ledger" —set to replace legacy infrastructure at Tier 1 banks. We're looking for a Principal Engineer specialising in Go to lead v1 builds, define architecture, and ship mission-critical backend systems from scratch. What you’ll do: Design & scale a fault-tolerant ledger … Kafka, CockroachDB/YugabyteDB) Architect distributed, multi-region infra with five-nines reliability Lead backend, DevOps, and CI/CD decision-making Embed AI into engineering workflows & ops Strong engineer with system engineering & system architectural experience; exceptional communicator across technical and non-technical audiences. Self-motivated, problem-solving mindset; open to non-traditional backgrounds. You should have: Expert backend More ❯

Social network you want to login/join with: Senior to Principal DevOps Engineer, Slough Client: Location: Slough, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: I am currently working with a rapidly expanding organisation in the financial sector. They are bolstering their 6 x DevOps … startup vibe with the resources of a major scale-up. It's a great time to join their UK team, with a modern office in London. Job Titles: DevOps Engineer (Senior Level and Above) Salary: Please specify your salary expectations. Location: London (Hybrid, 3 days on-site) Industry: Software/Financial (FinTech) Start: ASAP Responsibilities: Design, develop, and deploy … Design and improve CI/CD pipelines with platforms like GitLab or Jenkins. Mentor and guide DevOps and development teams, promoting continuous learning. If you are an experienced DevOps engineer seeking new opportunities, apply now! #J-18808-Ljbffr More ❯

Senior/Principal Python Engineer, slough Client: Source Technology Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: Senior/Principal Python Engineer Front Office Technology £800-£850 inside IR35 (could flex for the right candidate) London - Hybrid We’re looking for a … senior Python engineer to join the front office technology team of a major financial player on a long-term contract. The role sits within a core engineering group that supports multiple investment teams with an increasing focus on Python as the go-to language across the platform. You’ll be building tooling and infrastructure that directly supports front office More ❯

Principal AI Engineer/Data Scientist Contract - inside IR35 London - hybrid £700-£900 inside IR35 (potential flex, focus in on the right person) Join a high-impact AI R&D team at a major financial player, where you'll be working at the cutting edge of LLMs and agentic workflows in the investment space. The team partners with … to learn quickly AWS (or similar cloud) and rapid prototyping mindset Front-end exposure (e.g. React) is a nice-to-have but not required If you're an experienced engineer or scientist with a strong background in Python and commercial AI experience get in touch. More ❯

Principal Data Engineer/Tech Lead Certain Advantage are recruiting on behalf of our global energies trading client in London for a Principal Data Engineer who can offer demonstrable experience in: *Technologies* - Databricks (DLT, Performance Tunning, Cost Optimization ), PySpark, Python, SQL, ADF. *Capabilities* – leading a data engineering team, being technically hands on and drive a project More ❯

Principal or Associate Electrical Engineer Join to apply for the Principal or Associate Electrical Engineer role at Hoare Lea Principal or Associate Electrical Engineer 1 day ago Be among the first 25 applicants Join to apply for the Principal or Associate Electrical Engineer role at Hoare Lea Principal or Associate Electrical … our aim is to enable everyone to develop their knowledge, give their best, and enjoy what they do. About The Role We have a brand-new opportunity for a Principal or Associate Electrical Engineer to join our team based in our Oxford office. Our Oxford office was established to provide a local presence on our projects. We have … between people and planet. We deliver high performing buildings which respond to the challenges of climate change whilst creating spaces which meet the needs of modern living. As a Principal or Associate Engineer, you will be responsible for supporting and delivering designs for a range of project types and sizes. You will work within a multidisciplinary team of More ❯

Social network you want to login/join with: Senior to Principal AWS DevOps Engineer, Slough Client: Location: Slough, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: I am currently working with a rapidly expanding organisation in the financial sector. They're bolstering their 6 x … a fantastic time to join their founding UK team as they continue their growth here, with a cracking office in one of London's iconic buildings. Job Titles: DevOps Engineer (Senior Level and Above) Salary: Please let me know your salary expectations. Location: London (Hybrid, 3 days on-site) Industry: Software/Financial (FinTech) Start: ASAP Responsibilities: Design, develop … and reliable software deployments. Provide mentorship and technical guidance to DevOps and development teams, fostering a culture of continuous learning and improvement. If you are a highly experienced DevOps engineer looking for a new opportunity and interested then apply! #J-18808-Ljbffr More ❯

Axiom is partnering with a leading UAE Bank , building out their DeFi and Stablecoin Infrastructure for future growth and wider blockchain-related deployment. We are in search of a Principal Engineer – Blockchain Architect to define and build their DeFi & Stablecoin architecture. This is an amazing opportunity to join a major bank at the very start of its decentralised … dynamic bank's blockchain-related infrastructure. Design and implement secure wallet systems Build smart contracts and DeFi tooling from the ground up Develop interoperable cross-chain and L2 solutions Engineer tokenisation systems for banking infrastructure Collaborate with key teams for enterprise crypto services Key Responsibilities: Develop reliable, high-performance blockchain systems Design wallet, smart contract, and cross-chain solutions More ❯

Join to apply for the Principal Mobile Data Services Engineer role at Virgin Media O2 2 days ago Be among the first 25 applicants Join to apply for the Principal Mobile Data Services Engineer role at Virgin Media O2 Get AI-powered advice on this job and more exclusive features. Summary Location Reading, Slough Job Family … Technicians & Engineers Job Type Full Time Posted Date 11-Jun-2025 Ref # 67398 We’re recruiting for a Principal Mobile Data Services (MDS) Engineer to provide outstanding 3rd Line Technical Support. In this role you’ll lead, coordinate, manage and investigate faults escalated to the MDS group, providing technical support for Packet Core GPRS/3G/… function Job function Engineering and Information Technology Industries Telecommunications Referrals increase your chances of interviewing at Virgin Media O2 by 2x Sign in to set job alerts for “Service Engineer” roles. Aylesbury, England, United Kingdom 6 days ago Maintenance Engineer -OUTSIDE IR35 - Manufacturing Slough, England, United Kingdom 19 hours ago Watford, England, United Kingdom 1 day ago West More ❯

Social network you want to login/join with: Lead & Principal Frontend Focussed Fullstack Product Engineer (React/TypeScript) + Equity + Benefits Hybrid (3 days/week in London) 80-140K, slough col-narrow-left Client: Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 16.06.2025 … Expiry Date: 31.07.2025 col-wide Job Description: Lead & Principal Frontend Focussed Fullstack Product Engineers (React/TypeScript) - £80 -140K + Equity + Benefits Hybrid (3 days/week in London) The Opportunity We're looking for Lead and Principal engineers to help shape the future of our brand-new platform - one with zero tech debt, a strong More ❯

Social network you want to login/join with: We are currently looking for an experienced Cloud Platform Engineer to join a leading banking client on a 12-month contract. This is an exciting opportunity to work on cutting-edge cloud infrastructure, with a strong focus on FinOps, automation, and Azure services. Location: Hybrid (3 days per week onsite More ❯

Lead & Principal Frontend Focussed Fullstack Product Engineers (React/TypeScript) - £80 -140K + Equity + Benefits Hybrid (3 days/week in London) The Opportunity We're looking for Lead and Principal engineers to help shape the future of our brand-new platform - one with zero tech debt, a strong engineering culture, and serious backing (pre-seed More ❯

keys to toggle section visibility Location Reading, Slough Job Family Technicians & Engineers Job Type Full Time Posted Date 11-Jun-2025 Ref # 67398 We're recruiting for a Principal Mobile Data Services (MDS) Engineer to provide outstanding 3rd Line Technical Support. In this role you'll lead, coordinate, manage and investigate faults escalated to the MDS group More ❯

keys to toggle section visibility Location Reading, Slough Job Family Technicians & Engineers Job Type Full Time Posted Date 11-Jun-2025 Ref # 67398 We're recruiting for a Principal Mobile Data Services (MDS) Engineer to provide outstanding 3rd Line Technical Support. In this role you'll lead, coordinate, manage and investigate faults escalated to the MDS group More ❯

I am currently looking for Senior Mechanical Engineers to work on a contract basis with a nuclear client. The key details are below: Job Type: Contract (INSIDE of IR35) Rate: £61 to £80 ph Location: Newbury or Bristol Duration: 12 More ❯

Social network you want to login/join with: About the Role You’ve mastered the art of DevOps. Now it’s time to lead. Join a global powerhouse where financial technology meets real-time performance at an unprecedented scale. More ❯