Senior Software Development Engineer jobs in Watford

We are looking for a Software Development Engineer to join our Letchworth or Christchurch team! As our Software Development Engineer, you will perform all software lifecycle phase tasks from planning to release and subsequent maintenance and support. Be able to complete all allocated tasks within the time and budget specified within the work package definitions. The successful candidate will be...

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them...

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 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...

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 product—Spark...

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...

Job Description We're looking for a Senior Software Engineer to join our team and take our technology and your career into new territories! MBDA is a great a place to learn about the company's entire product portfolio, whilst embracing the change to DevOps and other innovative technologies! Job Title: Senior Software Engineer Salary: £40,000-£75,000 depending on experience Location: Stevenage...

Senior Software Engineer .Net Location: UK remote | We are working with a high-growth global fintech, renowned for delivering world-class payments-related software and technology. This company is building the next generation of capabilities that power a merchant-first ecosystem. They believe that focused, empowered teams can achieve great things. You'll be joining a curious, driven, and...

The Vacancy Are you a Senior Software Development Engineer looking to join a company where your work truly makes a difference? Where you're empowered to innovate, collaborate, and help shape the future of healthcare technology? Then this could be the opportunity for you. We're looking for a talented Senior Software Development Engineer to join our EMIS-X Analytics team and help us build...

Senior+ Software Engineer - Python | FastAPI | AWS £90,000-120,000 + Bonus and Stock Flexible benefits | 90 day work-from-anywhere perk Python, FastAPI, gRPC, PostgreSQL, DynamoDB, AWS Remote first or hybrid (London) InsurTech | high traffic, scalable, event-driven, microservices development We've partnered with one of the UK's most exciting scale-ups in the Insuretech space over the past...

Senior Software Engineer - Backend & Data | Fully Remote (UK) Founding Engineer | Python | GCP | Terraform | Event-Based Systems | Data Pipelines An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Backend & Data) with deep experience in Python, Product development, and Data engineering. Role Information: - Salary: Up to £100,000 (DOE) + Equity -...

Senior Software Engineer / Developer (TypeScript Node.js) Remote UK to £80k Are you a senior, hands-on Software Engineer looking for an opportunity to take ownership and progress your career at a scaling tech company? You could be joining a growing games company that combines state of the art technology, gaming and luxury fashion. What's in it for you: - Salary to £80k - Remote working -...

Job Title: Senior Software Engineer – Video/AI Deployment Location: Remote Contract Length: 3 months – initial Rate: upto £45/hour - must have own limited company Start Date: ASAP Company Overview Our client is a pioneering leader in medical technology, focused on developing secure, high-performance software solutions that enhance patient care. Their multidisciplinary teams work at the...

Job Title: Senior Embedded Software Engineer Location: Fully Remote (UK) Salary: £80,000 - £90,000 per annum (DOE) Are you a systems-focused engineer with a passion for virtualisation and fullstack development? We're hiring a Senior Systems Engineer to join a UK-based tech company that's building innovative solutions across storage, networking, and compute virtualisation. About the Role As a...

Join Our ScriptRunner Platform Team as a Senior Software Engineer! Are you passionate about developing innovative solutions that enhance user experiences for millions? Do you have a knack for leading and mentoring teams to success? If so, ScriptRunner is looking for a dynamic Senior Software Engineer to join our talented ScriptRunner Cloud team. About us: ScriptRunner is committed to...

Senior .NET Engineer Are you a talented .NET Developer looking to take on a brand new challenge? Do you want to be part of a newly formed team of software engineers in a growing product-focused company, shaping the direction of their technical solutions from the ground up? My client is seeking a Senior .NET Engineer to join their innovative product team. This is a unique opportunity to work on...

Senior Software Engineer (C#/.NET) Remote-first (UK) | Up to £100k + benefits | Permanent We're supporting a fast-growing fintech fx platform that builds institutional-grade trading and risk-management systems used by global corporates and investment managers. Their engineering teams are scaling out the core trading backbone, a .NET-based microservices environment powering billions in...

A homegrown business in Scotland are looking to grow their engineering team, with a 4th member of their AI team. They have had an exciting few years, with major agreements setup with new and existing customers across Europe and North America They are looking for Senior Software Engineer, someone who has experience or a desire to work with AI. They have a team of 3 focusing on how they can...

You will be expected to work within a home based role, speaking with colleagues within the US and UK.

Senior Software Engineer / Tech Lead £90,000-£120,000+ Benefits + Remote working A Senior Software Engineer / Tech Lead opportunity for an exciting product led SaaS business offering innovative AI and Robotics solutions to a global customer base. The business offer an exciting product and are growing rapidly. They promote autonomy and collaboration and value problem solving skills and the...