1 to 25 of 29 Principal Software Engineer Jobs in London

Principal Software Engineer/Developer (Rust Golang) London/WFH to £110k Are you a senior technologist with leadership skills? You could be progressing your career working on bleeding edge, Machine Learning and AI powered, audio fraud detection software used by all UK banks, the emergency … services and a range of other clients to prevent and detect fraudulent call activities at a market leading SaaS business. As a Principal Software Engineer you will split your time between architecture, design, hands-on coding and mentoring, team leadership and strategy. You'll collaborate with Product ...

Principal Software Engineer Here at BPP Education Group an opportunity has arisen for an experienced and passionate individual to join the team as a Principle Software Engineer. BPP Education is entering a new growth phase, attracting thousands of new students annually and expanding into new verticals … Technology (P&T) organisation is rapidly evolving, transforming its platforms, digital products, and experiences to support this growth. We are looking for a talented principal software engineer help us build best in class products and deliver amazing user experiences, to deliver scalable, secure and performant experiences that ...

Principal Software Engineer Location: London - 1x a month Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital … with engineering leadership to define best practices, coding standards, and long-term technical strategy. Design, develop, and oversee the delivery of robust, production-grade software built using Python, Django, Cloud Firestore, BigQuery, and Elasticsearch. Mentor and guide engineers at all levels, fostering a culture of technical excellence and continuous ...

Principal Software Engineer Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next … with engineering leadership to define best practices, coding standards, and long-term technical strategy. Design, develop, and oversee the delivery of robust, production-grade software built using Python, Django, Cloud Firestore, BigQuery, and Elasticsearch. Mentor and guide engineers at all levels, fostering a culture of technical excellence and continuous ...

Principal Software Engineer Location: London - 1x a month Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital ...

Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments … like!) 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior/Principal/Staff Java Software Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments ...

Principal Software Engineer - Frontend London (Remote First - Occasional travel) Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking a talented Principal Frontend Software Engineer to help build and scale cutting-edge digital … ensure reliable, scalable solutions. What do I need to be successful: Degree in Computer Science or equivalent hands-on experience. 7+ years in frontend software development, including experience in a lead or principal engineering capacity. Deep expertise in React, TypeScript, and modern frontend architecture (state management, component design ...

Snowflake services. It is also responsible for providing the foundation of global features like cross-region replication, data sharing, and data marketplace. AS A PRINCIPAL SOFTWARE ENGINEER - METADATA, YOU WILL: Solve real business needs at large scale by applying your software engineering and analytical problem solving … system and solve them. Ensure operational readiness of the services and meet the commitments to our customers regarding availability and performance. OUR IDEAL PRINCIPAL SOFTWARE ENGINEER WILL HAVE: 14+ years industry experience designing, building and supporting large scale systems in production. Strong computer science fundamentals including data ...

Principal Software Engineer - Frontend London (Remote First - Occasional travel) Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking a talented Principal Frontend Software Engineer to help build and scale cutting-edge digital ...

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make … working closely with senior stakeholders, mentoring engineers across multiple teams, and line managing a small group of engineers while helping shape our approach to software delivery, architecture, and engineering culture. Responsibilities Lead the design and development of advanced software solutions, ensuring high standards of quality, security and scalability. ...

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. Please read the following job description thoroughly to ensure … working closely with senior stakeholders, mentoring engineers across multiple teams, and line managing a small group of engineers while helping shape our approach to software delivery, architecture, and engineering culture. Responsibilities Lead the design and development of advanced software solutions, ensuring high standards of quality, security and scalability. ...

Principal Software Engineer/Developer (Rust Golang) London/WFH to £110k Are you a senior technologist with leadership skills? You could be progressing your career working on bleeding edge, Machine Learning and AI powered, audio fraud detection software used by all UK banks, the emergency ...

seeking an experienced Principal Software Engineer with a strong background in backend and cloud-based development, who has also taken on technical leadership responsibilities. This role involves leading the design and development of scalable systems, mentoring engineers, and ensuring high standards of architecture and code quality across … technical stakeholders Strong analytical and problem-solving skills Degree in Computer Science, Engineering, or equivalent experience Interest in financial services or experience in B2B software is advantageous ...

Principal Software Engineer | Python | Commodities Trading | London Our client is a global investment manager with a strong footprint across major financial centres. They manage multi-asset, commodities, and derivatives strategies for institutional and wholesale clients worldwide. The environment combines the scale and stability of an established asset … driven technology Close collaboration between trading, quant research, risk and technology teams The firm is now looking for a strong, passionate and experienced Python Engineer to join the Front Office Technology team. They are re-architecting the stack to be cloud-native on AWS, with Python at the core ...

Principal Software Engineer | Python | Commodities Trading | London Our client is a global investment manager with a strong footprint across major financial centres. They manage multi-asset, commodities, and derivatives strategies for institutional and wholesale clients worldwide. The environment combines the scale and stability of an established asset … driven technology Close collaboration between trading, quant research, risk and technology teams The firm is now looking for a strong, passionate and experienced Python Engineer to join the Front Office Technology team. They are re-architecting the stack to be cloud-native on AWS , with Python at the core ...

Title: Principal Software Engineer (Remote) Employment Type: Remote (Part-Time/Contract) Location: Remote within one of the following countries: United States, United Kingdom, Canada, Ireland, Australia, or New Zealand. Compensation: Estimated range: USD 5,000–8,000 per month, depending on location, experience, scope of responsibilities ...

Snyk is the leader in secure AI software development, helping millions of developers develop fast and stay secure as AI transforms how software is built. Our AI-native Developer Security Platform integrates seamlessly into development and security workflows, making it easy to find, fix, and prevent vulnerabilities — from … Forward Thinking. It’s how we stay driven, supportive, and always one step ahead as AI reshapes our world. Job Summary As a Principal Software Engineer on the Snyk Code team, you will be responsible for driving our technical future, tackling our most difficult and strategic challenges ...

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make ...

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make ...

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make ...

DescriptionAbout The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make ...

looking for a senior Front End Software Engineer who can be the technical go-to person in their area, offering guidance, mentorship, and hands-on expertise. You will be a proven senior who still loves to code, enjoys taking ownership of front-end decisions, and wants to play … practices and setting high technical standards. Working closely with product managers, QA, designers, and other engineers, taking on and integrating feedback. Delivering fully tested software iteratively and continuously. Creating beautiful, usable, user friendly solutions. Scoping projects, identifying opportunities, and delivering effective solutions. Prototyping new ideas and pushing boundaries ...

looking for a senior Front End Software Engineer who can be the technical go-to person in their area, offering guidance, mentorship, and hands-on expertise. You will be a proven senior who still loves to code, enjoys taking ownership of front-end decisions, and wants to play … practices and setting high technical standards. Working closely with product managers, QA, designers, and other engineers, taking on and integrating feedback. Delivering fully tested software iteratively and continuously. Creating beautiful, usable, user friendly solutions. Scoping projects, identifying opportunities, and delivering effective solutions. Prototyping new ideas and pushing boundaries ...

that operate in extreme environments, support mission-critical operations, and push the limits of what embedded intelligence can do. They’re looking for a Principal Embedded Software Engineer who thrives on deep technical challenges, works confidently across low-level software and hardware boundaries, and is motivated … seeing their work deployed in demanding, real-world conditions. This is a role for an engineer who loves technical problems, values autonomy, and wants to shape technologies deployed directly with customers, not just in a controlled lab. What You’ll Be Working On Solving complex challenges across the embedded ...

seeking an experienced algorithmic trading Java developer to join our IST team as a Principle Software Engineer in ESTAR to support the Delta One ETF Trading business. In the Technology division, we leverage innovation to build the connections and capabilities that power our Firm, enabling our clients … colleagues to redefine markets and shape the future of our communities. This is a Principal Software Engineering position at VP level, which is part of the job family responsible for developing and maintaining software solutions that support business needs. Since 1935, Morgan Stanley is known ...