fullstack software developer jobs in Stevenage

A fast-growing fintech company is hiring a Fullstack Developer(AI) to help build the next generation of intelligent, personalized financial platforms. This role blends modern front-end engineering with AI-powered workflows, automation, and human-centered design to deliver seamless digital experiences for users across global markets. You'll join a lean, high-impact product and engineering team...

You will be responsible for the end-to-end design, development, and delivery of a critical, high-scale digital service. Leveraging your expertise across the full technology stack, you will build robust solutions that meet stringent standards for security, performance, and reliability.

Benefits - 39 days holiday - 9% pension contribution - Stock Options This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a-kind Social Good platform change the world by developing this one-of-a-kind eCommerce solution. The Company - $120m VC-backed Scale-Up - One of the fastest-growing companies in the world - 'Fast Company' Most...

You will have an open approach to software development, as the software you develop can be used across multiple products and projects - Exposure to real-time software development and simulation standards (DIS and HLA) would be advantageous, however it is not crucial Our company: Peace is not a given, Freedom is not a given, Sovereignty is not a given

Lead Software Developer – Systems Simulation & Experimentation Are you ready to lead the development of cutting-edge simulation and experimentation environments that shape the future of defence systems? We’re looking for a proactive and passionate Lead Software Developer to join our expanding team in Systems Simulation & Experimentation, creating innovative solutions that deliver an end-to-end...

About PostGrid: PostGrid is a global leader in enterprise SaaS platform for automated offline communications. Our robust APIs empower organizations to create, personalize, and dispatch physical mail letters, postcards, checks, and more to any address on the globe without ever touching an envelope, while ensuring clean address data. Operating at massive scale across multiple regions, we’re...

Since 2014, Novade has been helping leading companies in construction, civil engineering, industry, and energy to digitalise their field operations. With more than 100,000 users across thousands of projects in Europe, Asia, and Africa, Novade is transforming how teams manage quality, safety, and productivity on site. We’re also a pioneer in applying AI to predict and mitigate risks onsite in...

Senior Software Developer required by a successful software company with an international client base. The Senior Software Developer will be responsible for full stack development with C# and React as part of the ongoing evolution of the company's core SaaS product as they evolve a traditional monolith architecture towards a modular monolith. Key experience - Extensive C# experience - SQL...

Senior Software Developer - Java / Python with Delphi We’re looking for an experienced Software Engineer (Java/Python) to join a high-profile government project focused on modernising and integrating complex systems within a secure environment. You’ll work across backend development, integration and automation – with occasional support for legacy Delphi components as part of wider platform...

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

Contic is a startup consultancy that designs, builds, and supports digital products that drive businesses forward. We work with clients of all sizes—from early-stage founders to enterprise teams—to bring ideas to life and support them long after launch. But we're more than just builders. We're a team of creative thinkers, technical experts, and trusted partners who care deeply about impact....

Salary £50,000 About iQ HealthTech At iQ HealthTech, we are dedicated to improving healthcare outcomes universally through innovative technology. Known for our flagship product, iQemo, we empower healthcare providers worldwide to deliver safer and more efficient chemotherapy treatments. Our commitment to revolutionising electronic systemic anticancer treatment (SACT) prescribing systems makes us...

Location: Mostly remote (with one day per month in Milton Keynes) Salary: £75,000 - £80,000 Contract type: Full time, permanent Our client is seeking a Lead Software Developer to join their engineering team. This is an opportunity to take on a pivotal technical leadership role within a collaborative, Agile environment, working alongside colleagues across multiple regions. If you are passionate...

We are hiring a Satellite Operations Software Developer (remote or on-site Helsinki ) on behalf of our client, a pioneering space company that is building the world’s most advanced hyperspectral satellite constellation and developing AI-powered analytics to turn spaceborne data into actionable insights. Their mission is to tackle some of today’s greatest challenges — from climate change to food...

Do you want to develop innovative technical solutions that provide a positive impact? Anteam is developing innovative AI solutions to improve freight efficiency and sustainability. Working with logistics partners, we benchmark, deploy, and test our AI technology aimed at reducing CO₂ emissions and improving operational efficiency. We are seeking a Software Developer (Full-time or Part-time) to...

Overview We are looking for a motivated and detail-oriented Junior Software Developer to join our growing team. This role is ideal for someone eager to learn, contribute to real-world projects, and grow their skills in software development while working alongside experienced professionals. Responsibilities - Assist in the design, development, testing, and maintenance of software...

You will get 25 days paid holiday outside of the bank holidays, a pension scheme with employer contributions, options for private medical cover as well as life assurance and enhanced maternity/paternity pay. For some employees you will also be eligible to take part in our impressive employee referral scheme (£3,000 per employee referred).

Principal Developer (C# and Azure) required to lead architectural design and delivery across enterprise-scale Azure platforms. This hands-on technical leadership role involves shaping distributed systems and mentoring developers within a global travel and events technology environment. You’ll architect scalable microservices, drive Azure best practices, and guide product-aligned teams across the...

Python/Golang/Rust Developer - Digital Assets arm of Global Fund - Up to £200k base + Bonus One of the leading absolute return/hedge fund managers within finance, currently managing over $40bn, is diversifying further by creating a separate division to focus on managing crypto and digital asset strategies. Meaning these guys offer the dynamism and entrepreneurial spirit of a small firm, with...

Lead Software Developer required by a successful software company with an international client base. This is a hands on, Technical Lead level role. The technical focus is "full stack" working with C# and React. The Lead Software Developer will be responsible for - Full stack development with C# and React as part of the ongoing evolution of the company's core SaaS product - Evolving a...