Software Developer Programmer jobs in Watford

Company Description Established in 2009, Crew à la Mode is an apparel and lifestyle agency, supplying luxury performance clothing and lifestyle solutions for super yachts, private aviation, hotels, villas and private residences globally. Based in our London Head Office, our project management team m

Date live: 16/04/2026 Business Area: Corporate Digital Banking Area of Expertise: Technology Contract: Permanent Reference Code: JR-0000079083 Embark on a transformative journey as a Software Engineer/Python Developer . At Barclays, our vision is clear – To design, develop and improve software, util

Optiver is looking for a Software Engineer to join our Developer Experience team. This team is crucial in building the tools and platforms that power our development workflows, enabling our engineers to work fast and with confidence. You’ll be responsible for building the infrastructure, tooling and

Haystack

Senior Software Developer | £500 - £600 We're working with a global energy transformation leader with a 150-year legacy of innovation on this exciting opportunity. We are looking for a heavy-hitting Senior Developer who can bridge the gap between complex finance logic and high-performance Ruby on Ra

Job description We are seeking a Software Developer to join our team in Winnersh UK, supporting long-term Government projects. This role requires strong Java fundamentals and the ability to deliver clean, secure, maintainable back-end code within a structured, compliance-driven environment. You will

ITOL Recruit

£28,000 - £35,000 /year

Are you looking to benefit from a new career in Software Development? Skills shortages in the IT sector is driving the need for qualified, entry-level career seekers and career changers. We help place graduates from this programme in top UK companies and organisations needing to employ entry-level s

Lead Full Stack Software Developer | £80,000 - £100,000 We're working with a fast-growing UK SaaS technology company building data-driven digital products on this exciting opportunity. This is a high-impact, hands-on leadership role where you will shape the next generation of customer-facing platfor

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across fo

Salary: £200k + bonus Summary Join a sophisticated technology team in the London office of a prop trading house that places software development at the centre of business strategy. This team have the responsibility of a trading group and a core infra team. This role is for a senior engineer who is a

🎓 Graduate Software Developer / Quantitative Developer / Quantitative Researcher 📍 Location: London (Hybrid) 💷 Compensation: Up to £180,000 + Bonus + Benefits 🏢 Client: Prestigious Fund 🚀 Kickstart Your Career in Technology & Quantitative Finance Just graduated and ready to launch your care

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across fo

DEVELOPER JOURNEY STRATEGY AT GOLDMAN SACHS The Developer Journey Strategy focuses on investing in the developer experience to minimize friction, promote standardization, and leverage artificial intelligence (AI) to enable seamless delivery. By streamlining processes, implementing consistent practic

Job Req Id 26953948 Location(s) London, England, United Kingdom Job Type Hybrid Posted Apr. 16, 2026 Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the o

Citigroup

We’re looking for an expert level server side engineer, to join one our high-impact teams inside Citi’s CTO organisation. You’ll sit within Developer Enablement, a group focused on innovation, developer platforms and internal tools used across the bank, where we experiment and ship fast, like a star

eFinancialCareers

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview We'r

LinuxRecruit

£8,333 - £10,000 /year

The giants of cybersecurity didn't just build a new company; they invented an entire market. Today, that market is worth £22 billion, and the rocket ship they built to lead it is currently docking in London! Quietly assembling an elite, newly formed engineering squad. This isn't a team that maintain

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across fo

FlexTrade Systems is a provider of customized multi-asset execution and order management trading solutions for buy- and sell-side financial institutions. Through deep client partnerships with some of the world's largest, most complex and demanding capital markets firms, we develop the flexible tools

Why a Great Opportunity Sales Director needed in the Pittsburgh, PA area Job Description As the Sales Director - Furnace Aftermarket, you are part of our Aftermarket Service Division. You will be mainly working both inside and outside sales in offering spare parts, rebuilds/retrofits, and field serv

Job Summary We are seeking a highly skilled and motivated Software Engineer to join our dynamic development team. The successful candidate will be responsible for designing, developing, and maintaining innovative software solutions across various platforms. This role offers an excellent opportunity