java software developer jobs in City of Westminster

You will play a key role in driving our ambition to create a best‑in‑class software engineering team, environment, and culture. We are looking for people to join our community of engineers to drive this transformation, build a modern digital ecosystem using exciting technologies and do the best work of their careers.

You will be positioned as a senior engineer with a specialisation in test automation and quality engineering, rather than someone who only executes test cases.

Job Title: Sales Development RepresentativeSalary: £30k basic, with OTE taking your package up to £35kMust speak Swedish to a fluent levelSector: SoftwareOur client has delivered field Management software for almost thirty years, with offices across the UK and Asia. They've entered an exciting growth phase in key markets, and are looking for a number of graduates to join a brand new team! If...

Senior C++ Developer / Engineer (C++ Rust Low Latency Trading) London / WFH to £180k+ Are you a Senior C++ Developer to progress your career and transfer your skills to Rust? You could be joining a hugely profitable High Frequency Trading firm that specialise in crypto markets and earning substantial bonuses in a senior, hands-on Senior C++ Developer role. What's in it for you: - Salary to...

About Us SharkNinja is a global product design and technology company, with a diversified portfolio of 5-star rated lifestyle solutions that positively impact people’s lives in homes around the world. Powered by two trusted, global brands, Shark and Ninja, the company has a proven track record of bringing disruptive innovation to market, and developing one consumer product after another has...

DV Cleared Site Reliability Engineer London - 5 Days Onsite Up to £550 per day (Umbrella, Inside IR35) 12-Month Contract Must hold live and transferrable DV Clearance Are you passionate about reliability, automation, and supporting mission-critical systems? Join this global defence organisation as a Site Reliability Engineer (SRE) and help shape the future of one of the UK's most vital...

You will receive a dedicated training budget to use during your first year with us. This can cover major cybersecurity conferences such as Black Hat, specialist training, and more. We are looking for experienced Software Engineers who want to have a real impact, and who are keen to apply their creative thinking to the ever‐changing space of cybersecurity.

You will get the opportunity to build the systems, APIs and help us shape the next stage of our comparison scraping strategy. 5+ years of experience in Java or Kotlin (or other JVM based language) Strong experience with Spring framework, relational databases, distributed and concurrent systems (Kafka)

Job Title: Commercial Software SpecialistLocation: Hybrid – 60% on site (Manchester, Liverpool, Solihull and Leeds and Sheffield or London)Contract Duration: 3 MonthsDaily Rate: £650/day (Umbrella)IR35 Status: Inside IR35Security Clearance: SCKey ResponsibilitiesCommercial Strategy: Develop and implement software sourcing strategies aligned with departmental objectives and government...

You will be responsible for: Building and scaling new software products within an agile squad. Supporting the delivery of innovative health-tech services that positively impact society. Collaborating closely with cross-functional teams including product, UX, and engineering leads.

You will have full autonomy to shape the engineering culture, keeping it lightweight, modern, and void of unnecessary ceremony.

You will not be inheriting a massive legacy team or bureaucratic processes.

You will define the culture, set the standards, and hire the squad that will take us from early traction to Scale-Up.

MUST BE BASED IN THE UK TO BE ELIGIBLE. Are you an experienced Full-stack Engineer seeking new and exciting opportunities? While we may not have an immediate vacancy, we’re always on the lookout for talented individuals to join our Talent Pool. Who We AreGSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious...

iOS - Software Engineer - HolbornHere at Whitbread, we are seeking an experienced iOS Engineer to help deliver value to our business and our customers by using technology to solve business problems with creativity & innovation.This is a unique opportunity for someone who has strong Swift experience to join our commercial technology team to work on new and exciting projects. Role: Software...

You will play a key role in driving our ambition to create a best-in-class software Engineering team, environment, and culture.

You will define and execute the software engineering strategy aligned with our broader business objectives.

MUST BE BASED IN THE UK TO BE ELIGIBLE. Are you an experienced AI/ML Developer seeking new and exciting opportunities? While we may not have an immediate vacancy, we’re always on the lookout for talented individuals to join our Talent Pool. Who We AreGSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious...

As a Senior Engineer, you'll contribute significantly to large-sized impactful projects, taking ownership of complex features that improve how we handle external financial crime investigations queries. You'll work on automation systems and intelligent tools that process requests from partner banks and law enforcement agencies while reducing manual handling time and improving customer...

Back End Engineer / Developer (Rust High Frequency Trading) London / WFH to £180k+ Do you have expertise with low latency software engineering within finance or gaming environments? You could be progressing your career in a senior, hands-on Back End Engineer role at a hugely profitable High Frequency Trading firm that specialise in crypto markets and earning substantial bonuses. What's in it...

A leading defense contractor in the UK is seeking experienced Software Engineers to join their Operational Cyber Group. This role involves delivering high-assurance code, mentoring, and adapting to new technologies while focusing on cybersecurity. Candidates should possess proficiency in programming languages like C++ or Java and have strong communication skills. The company offers flexibility in...

About Us SharkNinja is a global product design and technology company, with a diversified portfolio of 5-star rated lifestyle solutions that positively impact people’s lives in homes around the world. Powered by two trusted, global brands, Shark and Ninja, the company has a proven track record of bringing disruptive innovation to market, and developing one consumer product after another has...

You will take ownership of complex features, collaborate with junior engineers, and lead technical discussions while ensuring the efficiency of case management platforms. A strong background in Java, Spring, and microservices is required. The position offers the opportunity to significantly impact the handling of sensitive communications among banks and law agencies.