Principal Software Engineer Developer - 6,330+ job offers

*Staff Engineer / Principal Engineer / Lead Engineer -** Full Stack *UK Remote, moving to Hybrid** : Manchester area by 2027 (estimate) *Summary:** Lead Forensics is a leading UK based SAAS company with products in the B2B sales and marketing space. We’re seeking a Staff level full stack Software En

### Who you are You have 10+ years’ experience in professional Python development, with at least 5 years of experience working with Django specifically Mastery of the full product development life cycle Proven experience tackling and, where necessary delegating, large, complex tasks, whilst maintain

At Anaplan, we are a team of innovators focused on optimizing business decision-making through our leading AI-infused scenario planning and analysis platform so our customers can outpace their competition and the market. What unites Anaplanners across teams and geographies is our collective commitme

We’d all like amazing work to do, and real work-life balance. That’s waiting for you at Sainsbury’s. Think about the scale it takes to feed the nation. The level of data, transactions and variety involved. Then you’ll realise this is a modern software engineering environment, because it has to be. W

**hackajob** is collaborating with *8th Light** to connect them with exceptional professionals for this role.* *Who We Are** At 8th Light, we bring life to the best ideas. Founded in 2006 and headquartered in Chicago, we are a technology solutions provider that partners with organizations to solve m

# **Principal Software Engineer, Cloud** # **Senior Full-Stack .NET Developer – AI-Forward Engineering** Type: Full-time Level: Senior ## **About the Role** We’re looking for a senior full-stack .NET developer who treats AI tooling as a core part of their engineering practice. You’ll build and maint

We're currently partnered with a fast-growing UK based SaaS scale-up who operate in the B2B marketing space. They are now looking for an experienced Principal Software Engineer to join the team to remain hands-on and build customer-facing products. As a hands-on technical role, you'll be involved fr

🌟 *Principal Frontend Engineer – Build the Future of Cox Automotive Europe** *Location:** Manchester - Hybrid Are you a visionary engineer who loves solving complex problems, shaping modern architectures, and building products that scale? Do you thrive in greenfield environments where you can influ

*About The Job** *Mercor** connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include *Benchmark** , *General Catalyst** , *Peter Thiel** , *Adam D'Angelo** , *Larry Summers** , and *Jack Dorsey** . *Position:** Software Engineer

*Overview** *Role:** Principal Engineer, Embedded Software *Locations:** Leamington Spa *Role ID:** 2025-3309 *Our vision is to create a safe and sustainable world.** Ricardo, member of WSP, is a global strategic, environmental, and engineering consulting company. With over 100 years of engineering

*Principal Software Engineer (Java / React)** *£100,000–£130,000 + Bonus Scheme** *Hybrid (London)** A global technology consultancy is looking for a Principal Software Engineer to lead the design and delivery of modern, scalable full-stack applications across a range of high-impact client projects.

Winterflood is seeking a senior Principal Software Engineer to play a leading role in shaping and evolving our trading platform. This is an opportunity to join a business-critical, regulated environment where technology is central to performance, resilience, and growth. You will combine architectura

Hello! Thanks for checking out our job posting for the role of *Principal Engineer - PHP Developer** at PerchPeek. You’ve already taken a tiny step towards being a part of our team – huzzah! 🦜 We know that taking your next career step is as exciting as it can be exhausting. So, with that in mind, w

***The Power of Now**** Fortescue Zero’s mission is to be the world leader in zero emission power systems. We are developing and manufacturing the technologies needed to decarbonise our planet. We are expanding across the geographies of UK, US and Australia and becoming a global company. As part of

*Job title: Principal Software Engineer Location: Oxford - Hybrid Salary: up to £75,000 Job Type: Permanent** *Organisation Overview** Our Client operates within the high-tech instrumentation sector, specialising in advanced measurement solutions for scientific and industrial applications. Recognise

*Principal Software Engineer (C#) | London | £110,000-£130,000** Peaple Talent is working with a fast-growing UK fintech that is transforming how customers access financial services through modern, technology-driven solutions. We’re looking for a Principal Software Engineer to play a key role in sha

Principal Backend Engineer | Permanent Role Play a key role in scaling complex backend systems and shaping engineering direction. We’re looking for a Principal Backend Engineer to join a high-performing team working on large-scale platforms that power customer journeys and internal operations. This

*Principal Software Engineer - AI Projects** Hampshire - Hybrid working £80,000-£85,000 + £790 per month car allowance + bonus Roc Search are seeking a Principal Software Engineer with strong experience across ML and Generative AI Capabilities to work on an exciting engineering initiative for our en

A *global B2B SaaS tech company** building out its European engineering hub and hiring *Senior/ Principal Full Stack Software Engineers (JavaScript)** . • *Fully remote (Candidates have to be UK-based)** • *Senior / Lead IC role** (no people management) Building/enhancing a *mission-critical SaaS pl

*About Us** At TAE Power Solutions, we design power management systems that use less but do more. From, electric vehicle, drivetrains, ultrafast charging, stationary energy storage and grid efficiencies. We develop a clean energy ecosystem of proprietary technology designed to go faster, perform str