1 to 25 of 27 Principal Engineer Jobs in Berkshire

Principal Engineer London Hybrid £100,000-£170,000 + bonus + benefits We’re working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users with seamless, intelligent technology solutions. We are looking for Principal Engineer … their high performance systems. This is an opportunity to work with modern backend architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment. Responsibilities as a Principal Engineer: Contribute to the businesses technology strategy and architecture Contribute to the backend Kotlin infrastructure Ship resilient and well tested production code Collaborate with different teams to deliver … and bonus Hybrid office/remote-working practices Private Health Insurance Pension Scheme Life Assurance Scheme with death in service benefit of 4x salary This is a career defining Principal Engineer position with the potential to have a massive impact on the technology strategy of a business that is directly shaping the future of intelligent digital infrastructure. **Unfortunately More ❯

Role: Principal Data Engineer (Databricks) Industry: Commodities Location: London (hybrid, 3 days per week) Rate: £800-900/d (inside IR35) Contract: 6 months rolling (multi-year scope) X4 Technology are partnered with a global commodity trading firm in central London to hire a contract Principal Data Engineer (Databricks). You'll take a lead role … in a flagship transformation programme that places Databricks at the centre of how trading data is standardised, governed and used to drive sharper commercial decisions globally. Responsibilities of the Principal Data Engineer (Databricks) Design and architect end-to-end data platforms and modernised data environments Lead the shift toward data-driven thinking across both IT and business stakeholders … and problem management processes Champion best practices, community development (CoE/CoP), and continuous improvement Act as a visible thought leader - delivering technical guidance and mentorship Requirements for the Principal Data Engineer (Databricks) Deep hands-on experience with Databricks, Delta Live Tables (DLT), data modelling, data ingestion & integration Strong proficiency across Data Factory, SQL DB, Synapse, Stream Analytics More ❯

Principal Sales Engineer Location: Remote (UK-based) – with travel to customer sites Salary: circa £140k +20% bonus + car allowance + extensive benefits package (DV cleared) Clearance Requirement: DV (Developed Vetting) or SC if willing to go through DV process Our client is at the forefront of digital transformation, supporting the world’s most essential organisations through their … visibility and insight at an unparalleled scale they help clients solve problems faster, secure what matters, and drive continuous innovation across their digital ecosystems. We are now seeking a Principal Sales Engineer to support the growth of UK public sector accounts. This is a remote, client-facing role for a highly technical and experienced presales professional with a … with tools like Wireshark, Zeek, or similar platforms. Awareness of cybersecurity frameworks and best practices (e.g., NIST, ISO 27001) and how they apply to network assurance. Role & Responsibilities As Principal Sales Engineer, you will play a vital role in driving revenue by delivering technical presales support, demonstrating product value, and shaping best-fit solutions. Reporting to the Regional More ❯

Principal JavaScript Engineer (TypeScript/React/Node.js) £150,000–£170,000 + Equity | Hybrid – 3 days in London We’re helping a VC-backed SaaS scaleup reinvent how organisations manage and approve spend, from software requests to supplier onboarding, and they’re gearing up for serious growth. With enterprise clients already on board and revenue climbing, they … re looking for an outstanding Principal Engineer to drive their platform forward. The company in a nutshell Funding : $25M Series A from top-tier investors Leadership : Founders with a track record of building one of Europe’s best-known B2B scale-ups Growth : Plans to 10× revenue and expand to 200+ enterprise customers within 3 years What’s More ❯

Principal Platform Engineer London/WFH to £150k Are you a technologist with start-up experience and a first class education looking for a new opportunity? You could be joining a small Fintech start-up run by small, successful and proven team of finance technology entrepreneurs, backed by Silicon Valley investors, as they build out the product, currently … in stealth mode. As a Principal Platform Engineer you'll have an impactful role with lots of influence. Initially you'll assess the current tech set up based on GCP, Python, TypeScript, PostgreSQL and Terraform; establish the production environment and extend the platform to enable scalability. You'll collaborate closely with the CTO and Lead Software Engineer … of Technology. Location/WFH: You'll be based in Central London, with flexibility to work from home twice a week. About you: You have experience in a similar Principal Platform Engineer role within start-up/scale-up environments with strong commercial acumen You have achieved a 2.1 or above BSc from a well renowned top world More ❯

Senior/Principal Systems Engineer £45,000 - £85,000 + excellent bens Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You'll lead teams that use Systems Thinking to analyse, assess and develop solutions to their most complex challenges. Underpinned by … a huge variety of projects, ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal projects. Champion a Model Based … to a client. Proactively identify opportunities and contribute to ADS&T growth. Contribute to the development of our people through mentoring and coaching. What can you bring: Senior/Principal Systems Engineer The use of MBSE approaches and tools (e.g. Sparx EA, Cameo). Knowledge of modelling languages and architecture frameworks, e.g., UML/SysML, ArchiMate, TOGAF, MODAF. More ❯

Job Title: Principal Engineer - Embedded Software Rank: Determined by the confirmed level and scope of experience Company: Chevalier Tech Limited Location: Colindale, Greater London (On-site) Salary: Salary is competitive and negotiable based on experience. Job Type: Full-time, Permanent About Us Chevalier Tech Limited is a tier-one supplier specialising in advanced technology systems, primarily for the … Control Systems, Power Actuators, Smart Door Handles, and Control Electronics, which are integrated into high-end passenger and super cars worldwide. About the Role As a highly Experienced Software Engineer , you will lead the software engineering team, play a pivotal role in the design, development, and implementation of embedded software solutions for new and existing products. You shall ensure … AM - 5:00 PM Requirements Must be based in the UK to apply. Ability to commute or to relocate . If you are an ambitious and experienced engineer with a passion for innovation, leadership, and an inclination toward the automotive technology , we would be delighted to hear from you More ❯

Principal Python Engineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a Python Engineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python back-end … data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A problem-solver who enjoys working closely with the business If you’re a Python engineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯

Principal Engineer at VC backed start-up About the Company: We’re a well-backed, early-stage tech venture on a mission to transform how people and intelligent systems work together. Our platform brings automation, data, and decision-making into one seamless experience — helping teams move faster, think smarter, and create more impact. Supported by top-tier investors More ❯

Contributor) to solve some of their most complex problems. This is an opportunity to be a top technical voice, influence the system, and mentor a talented team. As a Principal Engineer , you will be a hands-on problem solver and a technical leader, influencing the team through expertise and example rather than line management. What You'll Do … approaches and accelerate their learning. Lead by Example: Run training sessions and facilitate discussions to elevate the entire engineering team. Who We're Looking For You are a seasoned engineer with 10-15 years of experience, a track record of building maintainable, scalable services and systems, and an upward trajectory in your career. You are a fantastic IC who 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 ❯

Principal Platform Engineer | Fintech | London | Up to £200k + Equity | London (Min 4 days per week in office) Maze is partnering with a stealth-mode startup that's rebuilding core banking from the 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 Platform Engineer to drive the infrastructure behind mission-critical systems: think active-active, five-nines uptime, and real-time observability at global scale. What You'll Do: Own platform architecture for our next-gen ledger infrastructure Scale multi-region Kubernetes environments across cloud & on-prem Harden distributed systems (Kafka, Redis, CockroachDB) for global More ❯

Principal Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid – London **Python, TypeScript, React** A leading fintech scale-up is hiring a Senior Software Engineer to join its high-performing engineering organisation in London. This is an opportunity to contribute to a platform designed to improve finance globally — with real impact at scale. The company … first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a Senior Engineer, you will play a key role in designing and delivering scalable, reliable systems that handle significant volumes of real-time data and transactions. You'll collaborate with product, data … and platform teams to deliver high-impact features that directly improve user financial wellbeing. This is a hands-on role for an engineer who values clean architecture, measurable outcomes, and meaningful user impact. What You’ll Do: Design and implement distributed systems that are resilient, scalable, and secure. Own technical decision-making across architecture and implementation — selecting the right More ❯

Our client, a leader in the defence and security sector, is seeking a Principal Software Engineer to join their team in Berkshire. This is a permanent role where you will provide technical leadership within their Cyber Unit. Key Responsibilities: Architect, specify requirements, design, implement, and test embedded and/or application software to ensure high quality and timely More ❯

Our client, a leader in the defence and security sector, is seeking a Principal Software Engineer to join their team in Berkshire. This is a permanent role where you will provide technical leadership within their Cyber Unit. Key Responsibilities: Architect, specify requirements, design, implement, and test embedded and/or application software to ensure high quality and timely More ❯

About the Role We’re seeking a Principal AI Engineer to lead the design and implementation of advanced AI solutions across our product and business ecosystem. This is a unique opportunity to define and deliver an organisation-wide AI strategy — combining hands-on technical work with cross-functional influence to drive real impact. You’ll work closely with More ❯

shift to a fully SaaS model, we’re entering an exciting phase of rapid expansion and innovation. About the Role We’re looking for a motivated and experienced Software Engineer to join our growing team. You’ll be involved in designing, developing, and maintaining cutting-edge software solutions in a collaborative and forward-thinking environment. This role offers the More ❯

shift to a fully SaaS model, we’re entering an exciting phase of rapid expansion and innovation. About the Role We’re looking for a motivated and experienced Software Engineer to join our growing team. You’ll be involved in designing, developing, and maintaining cutting-edge software solutions in a collaborative and forward-thinking environment. This role offers the More ❯

Overview Are you an experienced Hydraulics Engineer with a passion for sustainable solutions? Join Stantec, a leading innovator in engineering consultancy, renowned for exceeding client expectations and delivering award-winning solutions to complex industry challenges. We have been appointed onto several major regulated water frameworks across the UK & Ireland, including United Utilities, Yorkshire Water, Northumbrian Water and more, enabling … us to deliver a wide range of challenging projects and real impact. We are seeking a Senior/Principal Hydraulic Engineer to join our team. You will work across water, wastewater, energy & infrastructure portfolios, collaborating with a supportive team on major capital investment programmes and providing solutions to complex hydraulic challenges for our clients. Responsibilities Lead technical input More ❯

As a Principal/Lead Full-Stack Engineer, you'll thrive if you're hands-on, grounded, and passionate about building with technology. This role is ideal for those looking to have a large impact and huge scope for growth, while still being hands on with technology. We aim to allow growth without becoming “post-technical” . Our … and decision-making Provide hands-on mentorship and technical guidance that encourages knowledge sharing, continuous improvement, and innovation within your team Skills you’ll need: Demonstrated experience as a Principal or Lead Software Engineer Experience in leading architecture and design decisions, ensuring adherence to best practices in technology choices and system design Deep understanding of programming fundamentals and More ❯

Principal JavaScript Performance Engineer (with C++/Java/C# exposure) Location: London (Hybrid – 2 days WFH) Salary: £150,000 - £200,000 (Permanent)pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget. A high-growth software company is building the gold standard in UI frameworks and data-intensive visualisation technology . … no bureaucracy, high-calibre peers. Hybrid work model: central London office, two days WFH. Premium benefits: private healthcare, pension, gym membership, cutting-edge hardware. If you’re ready to engineer the engines behind some of the world’s most demanding applications, we’d love to hear from you. Apply now and build technology trusted by the Fortune 500. More ❯

Responsible for/Key responsibilities Responsible for assuring the Systems Engineering (in-process verification and validation) and delivery of conclusive evidence via System Integration, Verification and Validation (IV&V) processes and activities. Ensure the correctness and completeness of work products More ❯

Job Description: To be responsible for and assure the implementation of ISO 15288 processes and practices across the Systems Engineering life cycle. Responsible for/Key responsibilities Represents the Systems discipline as a senior member/leads SE for the More ❯

Role : Senior, Staff & Principal Engineers Salary range: 90 - 150k (+ equity) Location : Central London (x3 days per week onsite - Tue/Wed/Thurs) Tech stack includes : Typescript, React, Material UI, NodeJS, Postgres, AWS (Serverless) Current team size : 25 Engineers We're working with a B2B SaaS startup company based in London, an AI procurement platform - reduces time & money More ❯

Senior Go (Golang) Engineer | Stealth Fintech | London (Min. 4 days/week onsite in London) Up to £200k + Equity | London Maze is partnering with a stealth-mode startup that's rebuilding core banking from the ground up. They’re creating the world’s first open-source, AI-native "Thin Ledger" —set to replace legacy infrastructure at Tier … banks. We're looking for a Senior Engineer specialising in Go to contribute to v1 builds, define architecture, and ship mission-critical backend systems from scratch. What you’ll do: Design & scale a fault-tolerant ledger (Golang, Kafka, CockroachDB/YugabyteDB) Architect distributed, multi-region infra with five-nines reliability Contribute to backend, DevOps, and CI/CD decision More ❯