1 to 25 of 60 Principal Engineer Jobs in Central London

Senior/Principal Systems Engineer Multiple Locations: Bristol, Manchester, London, Reading, Silchester UK nationals only Hybrid working: 2/3 days onsite per week Salary: £45,000 - £85,000 (+ £5,500 car allowance for Principal level) Shape the future of complex projects. We are a dynamic and forward-thinking organisation delivering innovative solutions across a diverse More ❯

Principal Front Office Developer - Trade Capture, Pricing, Risk, and STP You will be: Accountable for the successful software delivery from inception to deployment for the complete Front Office Derivatives Technology Stack Deliver key strategic business goals by identifying systems changes that support revenue generation and regulatory reporting for the Front Office businesses, focusing on Derivatives Markets Build the future More ❯

Our Principal Software 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 Principal Software 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 Principal Software Engineers are responsible for engaging with our clients … lasting, trusted advisor relationships. They will also oversee multiple, concurrent client deliveries to help ensure quality and drive the sharing of best practice across our engagements and industries. Our Principal Software Engineers are members of the Software Engineering Practice leadership team with the responsibility to develop the capability of the practice to meet business needs and to accelerate the More ❯

Principal Software Engineer - Java, Leadership - London (Hybrid) One of my consulting clients in London is looking for a Principal Software Engineer to lead a development team working on an exciting project. Key Skills: Java Development Springboot Microservices REST APIs Cloud (AWS Ideally or Azure) Leadership experience Mobile app development Exposure to retail industry (not essential) Key More ❯

Principal/Senior UI Software Engineer - HTML5, React, Typescript, JS - Trading sought by leading financial services company based in the city of London. Proven experience as a senior/principal engineer in high-performance trading systems or similar domains. Demonstrable experience in HTML5, React 16/17+, Typescript4/5+, JavaScript UI Libraries such as Material More ❯

Principal Software Engineer London (Bank – Three days a week in the office) £90k-£100k We’ve partnered with a global insurance company as they continue to grow their Engineering team – they’re seeking a Principal Software Engineer to lead & drive innovation & quality across the software development lifecycle. The company are working on several new products, so More ❯

Social network you want to login/join with: Principal 3GPP Research Engineer, london (city of london) col-narrow-left Client: European Tech Recruit Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: This role is working … world renowned technology research and development company, that focuses on the creation and licensing of intellectual property (IP) related to wireless communications, mobile devices, and connected technologies. As a Principal Engineer – 6G Standards Research, you will join their 6G research team and contribute to the development of innovative solutions, algorithms and protocols addressing the challenges of future wireless More ❯

I’m working with one of our big Financials domain client based in the Central London, and they’re looking for a Princiapal Software Engineer to join the team. This role requires a highly skilled hands-on professional who is passionate about technology and finance, works within a low latency enterprise event driven architecture hosted on the AWS cloud More ❯

Tech Principal Location: London, United Kingdom Type: Full-Time (hybrid working – home and central office) This is a hands-on leadership role with significant influence across DevOps, architecture design, database integration, team management, and product direction. You will coordinate a rapidly growing engineering team and play a pivotal role in enabling scalable, high-performance solutions that support the firm More ❯

Temenos 24 Software Engineer - hybrid - market rates inside IR35 - London - 6 months + Our client currently have T20 R20, TAFJ. The following are probably the key technical items from the job spec: * Mandatory to have L3 code development skills with hands-on experience. * TAFJ knowledge and code library management experience. * Local code development skill using Info Basic and TAFJ … Core API hooks) in Transact. * Good understanding of T24 data model and storage in Oracle. * In-depth experience in developing T24 multi-thread routines. For the T24 Principle Software Engineer: The knowledge, experience and qualifications you need * Wide, detailed, and up-to-date experience of the technologies and tools in your area. * Plenty of experience in the full lifecycle … knowledge, experience and qualifications that will help * Temenos Integration Framework, IRIS, Jboss configurations. * Channel interfaces configurations BROWSER, IB, DFE, Data Warehouse etc. * Core Java * Oracle Database Temenos 24 Software Engineer - hybrid - market rates inside IR35 - London - 6 months + Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. 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 of the biggest names in FinTech working on a new and unique … sector. Salary: Up to £140,000 + 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 … of TypeScript engineers who also happen to be a great group of people on a new product being backed by the industries most successful names then please apply now! Principal Software Engineer Requirements: Experience as a Senior, Staff or Principal level software engineer. Competent working across the full stack Experience working on cloud based products Customer obsessed More ❯

Principal Software Engineer – 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 successful fintech scale-ups who have built a platform helping businesses … They’ve recently launched a new product line which has become the company’s highest-growth area, with its own dedicated leadership and roadmap. They’re now hiring a Principal Engineer to become the technical lead across two core engineering teams working in the card and credit space. This is a critical hands-on IC role driving architecture … days/week in their London office (no fixed days) Be part of a high-ownership role with real scope to shape the success of a growing product Principal Software Engineer – Cards & Credit (Python, Java, Clojure, AWS More ❯

I'm working with a fantastic software company that's looking for a Principal Software Engineer to join their team. They've developed a powerful product that utilises data analytics and machine learning to optimise inventory data, built primarily on Java. This is a key role where you'll take ownership of the technical roadmap and manage solutions … architecture, acting as a vital link between leadership and the engineering team. Job Title: Principal Software Engineer Location: Central London (Office Based) Salary: £80,000 - £95,000 Industry: Software/Data Analytics Requirements: Over 7 years of experience as a Full Stack Developer. Proven track record in leading product development and architecting solutions. Demonstrated expertise in scaling and More ❯

Principal ML/AI Engineer - Python | Greenfield AI Platform (Contract) We are seeking a Principal/Senior AI/ML Engineer with a strong foundation in software engineering and Python development, to join a globally renowned organisation at the forefront of AI innovation. This is a rare chance to work on greenfield AI/ML projects … one of the world’s most respected organisations on high-visibility projects. Engineering-driven culture: Prioritising quality, autonomy, and continuous learning. If you're a seasoned AI/ML engineer who thrives in high-autonomy environments, and you’re passionate about solving real-world problems with software and data — we’d love to hear from you. More ❯

Are you a highly experienced and versatile Principal Engineer looking to make a significant impact at a dynamic FinTech company? We're revolutionizing the lending space in general, and we need your expertise to help us build cutting-edge technology that empowers businesses and fosters a more inclusive financial ecosystem. We're all about levelling the playing field … a vibrant culture: Experience a dynamic and supportive work environment with team events, social clubs, and a strong focus on employee well-being. About You: 😊 You're a seasoned engineer with a proven track record of technical leadership, significant ownership, and driving design and architectural decisions . You thrive in a fast-paced, evolving environment and are passionate about … You'll have the autonomy to re-architect and evolve core systems to meet ambitious, ever-changing challenges. This includes conceiving new projects for continuous improvement, collaborating with other principal engineers to ensure a coherent system design, and shaping the technical roadmap for long-term success. Leadership and Influence: You're a natural leader who will drive the evolution More ❯

of the Iglu group and still sees itself as a 25 year old startup that needs to move quickly to cater for rapidly changing customer habits and needs. As Principal Software Engineer for our Ski business, you’ll take full ownership of the Ski tech platform—ensuring its stable, scalable, and ready to support ambitious growth in an More ❯

Principal Data Engineer £95,000 - £105,000 + Bonus London (other UK locations available) A top-tier global consultancy is in search of a Data Engineer (Principal Consultant) to drive the delivery of cloud-native data platforms across complex, high-impact environments. If you’re passionate about data engineering, experienced in building practices and winning new … work (RFI/RFP), and want to work in an organisation that values creativity, autonomy, and technical excellence — this could be the one. What you’ll do as a Principal Data Engineer: • Lead the architecture and build of modern data platforms using AWS-native tools (S3, Redshift, Lambda, Glue, DynamoDB, Matillion, etc.). • Drive best practices in CI … and proposal development. • Ensure solutions are secure, scalable, and production-ready. • Be an advocate of clean code, DevOps, and hands-on engineering leadership. Skills you’ll bring as a Principal Data Engineer: • Extensive experience with AWS data services (Redshift, Glue, S3, etc.). • Hands-on with ETL/ELT using Matillion or similar tools. • Strong Python and SQL More ❯

Principal UI Engineer – Drive the Front-End Future of Fintech Join a hyper-growth fintech that’s redefining the global financial landscape through technology. As Principal UI Engineer, you’ll take the lead in building the front-end foundation of a platform that powers high-volume, high-impact financial services across the world. This is a More ❯

Job Title: Principal Data Engineer Location: London, UK – Hybrid (Liverpool Street office) Department: Data & Engineering Reports To: Head of Data Science Employment Type: Permanent A leading global payments and fintech platform , empowering clients to innovate and scale. Their mission is to create frictionless, secure, and intelligent payment solutions that unlock value across banking, financial services, and digital assets. … As they continue to scale their data infrastructure , they’re seeking a seasoned Principal Data Engineer to help design, build, and optimise a modern data platform, with a focus on orchestration (Airflow), scalable data warehouse architecture, and high-performance pipelines. The ideal candidate will bring both technical depth and strategic thinking , with the ability to communicate effectively across … learning and technical excellence. Ensure compliance with data security , privacy, and regulatory standards (e.g., PCI-DSS , GDPR ). Essential: 7+ years in Data Engineering, with 2+ years in a Principal or Lead role. Proven experience designing and delivering enterprise data strategies . Exceptional communication and stakeholder management skills. Expertise in enterprise-grade data warehouses (Snowflake, BigQuery, Redshift). Hands More ❯

Social network you want to login/join with: Principal Data Engineer, london (city of london) col-narrow-left Client: Xcede Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: Principal Data Engineer Hybrid - London … incredible culture and have won multiple awards for their approach to high achieving professionalism balanced with a great work-life balance. About the Role We’re looking for a Principal Data Engineer to join a highly skilled team focused on delivering next-gen, data-driven solutions across complex enterprise environments. We’re looking to a Principal Technical More ❯

A leading financial institution seeks a Principal Network Engineer Position Summary As a highly skilled principal network engineer, you will be responsible for the ongoing support and reliability of all components within the company's ecosystem, encompassing platforms, networks, applications, and services. In this role, you will provide escalation support for important network services, ensuring the More ❯

Principal/Senior Electrical Engineer - UK, London - Permanent Contract This is your opportunity to work for a global data centre company that partners with the world’s largest technology firms to provide robust and sustainable operating infrastructure. With significant investments secured, this data centre group is entering their next phase of growth and are looking to bring on … board a Principal/Senior Electrical Engineer. Responsibilities: Support in the management of the master planning of sites pre-acquisition, working closely with the site selection, leasing, and Development and Construction teams Be part of a close-knit team, effectively supporting the full life cycle of projects, guiding the Senior Management around both internal and external resource management Assist More ❯

to have fun along the way. So why not join us at FairPlay and be part of something bigger... What we are looking for: We are seeking a seasoned Principal React Enginee r to lead the development of high-performance, scalable, and user-centric web applications. This role demands a blend of hands-on coding expertise, architectural acumen, and … technologies and advocate for their adoption when beneficial to the project. Qualifications: Experience: Minimum of 7 years in frontend development, with at least 3 years in a leadership or principal role. Technical Proficiency: Expertise in React.js and its core principles, including state management (e.g., Redux, Context API), hooks, and lifecycle methods. Testing: Proficiency in testing frameworks such as Jest More ❯

Responsibilities Plan, research, and execute testing of computer systems and applications to simulate real-world attacks on Microsoft’s services and infrastructure. Assess existing security capabilities to detect and respond to emerging threats. Outline and document risk impacts in executive More ❯

Principal/Senior Engineer - C# .Net, AWS, React - Trading sought by leading financial services organisation based in the city of London. Essential skills: Proven experience as a senior/principal engineer in high-performance trading systems or similar domains. Microsoft C# .Net backend, React front end and Java components. Experience with low-latency, high-throughput messaging More ❯