16 of 16 Principal Software Engineer Jobs in Slough

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 , the critical hire for this specific team. This position offers full ownership and autonomy from day one, and you … double in size over the coming months, it's an exciting time to join the business 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 Note: The business are hiring for Senior-Principal Engineers Principal Engineer TypeScript, React, NextJS, NestJS, Python At Wave Talent, we don't want to consume any more of your time trying to decipher job descriptions to identify the information you need. … We’ve partnered with a high-growth AI technology company who are pushing the boundaries in industrial tech, and we’re hiring Senior to Principal Engineers to join their mission-critical platform team. This role is on-site 5 days a week and whilst this may change in the … driving technical excellence across the team. We'd love to chat with you about this position if: ✅ You’ve got extensive experience as a Principal Engineer, Staff Engineer, or in a senior full-stack engineering role, ideally within fast-paced, high-growth tech environments. ✅ You’re highly More ❯

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 … 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 matthew.coney@adameher.com ASAP to be considered More ❯

Principal Software Engineer (TypeScript) Salary: £120,000 - £140,000 plus equity Location: 3 days p/week in London Principal Engineer - would you like the opportunity to work for a start-up who recently raised series A funding? You will be joining a technology team … a passion for innovation, collaboration, and providing the best service to their customers as well as embracing new ideas, technologies and approaches. As a Principal Engineer, you will be joining the organisation at one of the most exciting times. You will be working alongside a team of experienced … fast-paced start-up. Focus on building highly reliable and well architected products. Computer Science degree would be a bonus. If you're a Principal Engineer, looking to work for one of the fastest growing start-ups, please apply. More ❯

Principal Software Engineer | Permanent | London Cititec Talent is excited to partner with a global commodities firm seeking a Principal Software Engineer to join their team. The team is closely aligned with front-office operations and collaborates directly with trading desks, global research teams, and … platform’s core capabilities. Implementation of shared libraries, frameworks, APIs, SDKs, and microservices. Collaboration with cloud platform engineers, data engineers, data scientists and other software engineers. Requirements: Strong background in software engineering, with expertise in Python. Extensive experience in API design and development. Knowledgeable in enterprise architecture, including More ❯

Principal Software Engineer | London (Hybrid - 3x in office) up to £140K Salary + Bonus + Benefits We are seeking a talented and passionate Principal software engineer to join a leading financial services company. Our client is a pioneering player in the pension's space … of assets under management and a reputation for excellence, this is an exciting opportunity to contribute to the transformation of the industry. As a Principal, you will play a pivotal role in enhancing and developing critical systems used across various business functions, including trading, operations, actuarial, and finance. You … cross-functional teams, including Trading, Operations, and Finance, to deliver impactful new features. Contribute to a fast-paced environment while maintaining best practices in software development. Skills and Experience Required: Excellent academic record, PhD or MSc in Science/Stem subjects. 4+ years of application development experience, within fast More ❯

Principal Software Engineer | Python/GoLang, Product Development & Public Cloud | Security SaaS Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their platform provides organisations with real-time visibility into their attack surface and … any sign of slowing down their growth. After receiving a total of $29 million over three funding rounds, they're looking to grow their software engineering division throughout the next 6-months with this senior role and a further junior role. They have recently expanded into Europe & US and … are continuing to grow. This role has the opportunity to learn from a highly experienced engineer who is completing their PhD in AI & Computer Science. Additionally, you'll have the opportunity to work at the scale of the internet, their product scans the entire internet, giving you the chance 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 More ❯

Principal C++ Software Engineer - World Class Start-up/Deep Tech Principal C++ Software Engineer required for a rapidly growing start-up who have just received a significant amount of funding. You will be looking to use your C++ Engineering or Rust skills within … Python Engineers and are looking at bringing on a few key hires to help scale the company and really develop their product. As the Principal Software Engineer you will play a critical role, working closely with the founders and founding team. You will ideally be interested in … AI and Robotics and will be keen to lead from the front in the development of their software but most importantly be keen to solve complex challenges. They're building a unique platform which will be working with a number of elite robotics manufactures and running a large amount More ❯

Job Title: Senior/Principal Software Engineer Location: Remote Employment Type: Permanent/Full-Time Salary: £65-75k plus benefits We’re working with a client who’s a real leader in their space. Known for building high performing, scalable cloud based solutions. They’re growing … their remote tech team and looking for a Senior or Principal Software Engineer with a strong background in C# and Azure , and some experience with architecture. What they’re looking for: Someone who enjoys a mix of hands on coding and higher level thinking. You’ll be … LLD) Solution architecture and cloud best practices Performance, scalability, and security decisions Helping define and evolve the technical roadmap If you’re a senior engineer who is looking to make the next step into an architect role. Please apply now for more details More ❯

Senior/Principal Software Engineer - Kotlin £90,000-£150,000 basic salary Project at Tier One Investment Bank London - Hybrid working - flexible Are you a Senior/Principal Engineer with commercial Kotlin experience who is ready to make an impact in one of the world … s leading financial institutions in the new year? We’re searching for a Senior/Principal Kotlin focused Engineer to join a critical project at a Tier 1 Investment Bank, working on mission-critical systems that power global investment strategies. This is a greenfield project where you'll … have a lot of autonomy and influence. Working for a developer-led software consultancy passionate about software craftsmanship and developer experience enables you to focus on the tech and not get bogged down in the politics. What you’ll do: Develop and maintain highly reliable backend systems using More ❯

We’re hiring: Principal Software Engineer @ IRIS Software! 🚀 📍 UK-based | 💻 Hybrid working | 🧠 High-impact role We’re growing fast and looking for an inspiring Principal Engineer to join our thriving Engineering team. This isn’t just a technical role — it’s your chance to … large-scale systems 💡 An innovative mindset, excited by new tools and new ways of thinking 🎉 Why join IRIS? We’re more than just a software company — we’re a community of curious minds , supportive leaders, and bold thinkers. We care about our people, and we’re building a tech More ❯

We’re hiring: Principal Software Engineer @ IRIS Software! 🚀 📍 UK-based | 💻 Hybrid working | 🧠 High-impact role We’re growing fast and looking for an inspiring Principal Engineer to join our thriving Engineering team. This isn’t just a technical role — it’s your chance to … large-scale systems 💡 An innovative mindset, excited by new tools and new ways of thinking 🎉 Why join IRIS? We’re more than just a software company — we’re a community of curious minds , supportive leaders, and bold thinkers. We care about our people, and we’re building a tech More ❯

Principal Software Engineer - Full Stack We’re looking for a powerhouse FS Engineer who thrives in high-energy, fast-paced environments and knows how to help Engineering to scale through hypergrowth. Our client, a groundbreaking legal tech company backed by top-tier VC and is redefining … of a hyper-growth journey. Hybrid working - Central London 1x PW. Fully Remote UK will be considered for outstanding candidates. If you’re an engineer who loves building, shipping, and solving meaningful problems, we want to hear from you More ❯

Equity options: 0.30% - 0.5% Hybrid working policy: Minimum three days a week in our Holborn office Experience level: At least seven years in commercial software engineering If you're looking to join an exceptional, fast-paced, and growing team building innovative products in FinTech, check out the full job … product that may not be suitable for every investor. The role As we approach the launch of our product, we are looking for a Principal Software Engineer to strengthen our engineering team. You will have extensive commercial experience designing, building and maintaining systems used in critical services … Ensure best practice through example and continual team feedback Root causing real-time production issues in a timely manner Taking a pragmatic approach to software development Your background Extensive experience in software engineering, with a focus on designing, building, and maintaining large-scale systems Proven track record of More ❯

Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior software development role at the enterprise level with a proven track record of successful project delivery. Experience mentoring junior developers and being an active member More ❯