java software developer jobs in City of Westminster

A leading FinTech innovator is shaping the future of financial markets - across traditional finance and crypto - with cutting-edge trade surveillance technology. Their mission is to protect investors, enhance transparency, and ensure compliance in some of the world's most dynamic markets. Trusted by regulators and institutions worldwide, their systems monitor over a trillion events every single...

Job DescriptionWhite Collar Factory (95009), United Kingdom, London, London Senior Software Development Engineer - Services About this roleWe are seeking a Senior Software Engineer who can walk in the shoes of our users, communicate & collaborate with teams in Business, Technology and Operations, bringing a passion for using software and technology to create impactful solutions. To be successful...

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...

Manages a team of developers, overseeing software delivery for front-office trading systems, focusing on Java and collaborating with stakeholders.

For more than two decades, Orange Logic has empowered a wide range of clients with its digital asset management system, Orange Logic Platform. We’ve worked with almost every industry, from Finance to NGOs, Media giants to educational institutions, securing and organizing their assets. This role will enhance Orange Logic’s software by participating in the design, development, maintenance and...

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all...

Senior Software Engineer - Go/React/AWS - Remote - New Role (REF46) A leading organisation in the Gloucestershire area requires a Senior Software Engineer to join its growing team. Suitable candidates will have strong Go and React experience coupled with AWS experience. The successful candidate will have the following: - Substantial experience in Go/Golang. - Proficiency in React and knowledge...

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 -...

Secure Screening Services is a tech-led background screening company on a mission to make background checks simple, fast and stress-free for clients and candidates. We’ve built our screening portal in-house and back it with a UK-based support team, using smart tools to deliver dependable service. We’re proud of our relaxed, friendly culture, and we match hard work and commitment with flexibility,...

Job Title: Software Engineer (AI HealthTech) Client: AI HealthTech Scale-Up – Backed by Top-Tier Investors, Led by World-Class Engineers Salary: Up to £100k + Bonus + Equity Location: Remote (UK-based) with an optional Holborn office Sells: Work on cutting-edge AI systems that power healthcare innovation at scale. Full remote flexibility across the UK, total ownership of greenfield projects,...

Join us as an AVP C# developer within the Fixed Income, Cross Market Pre Trade area and be involved in modernising our legacy platform to cloud and delivering new features, a mix of legacy and greenfield aspects. The following information aims to provide potential candidates with a better understanding of the requirements for this role. To be successful as a C#/SQL engineer at AVP level within...

Excellent opportunity to join a growing and award winning SaaS organisation headquartered in Belfast. My client have won various awards for innovation and support. Due to demand they have a new opportunity for a talented Android developer to join the team situated all over Ireland North and South. On offer - Salary £60k - £70k - D.O.E - Remote working options - Work from any where in Ireland -...

You will be responsible for building scalable, high-performance Back End systems that power their banking platform.

Rust Developer - HFT (Remote)My client is a G l obal HFT propriety trading firm.The client has recently expanded into decentralised markets and is looking to hire several Rust Engineers remotely to build a new trading platform.This position is available fully remotely anywhere in Europe. Payment will be made via B2B contract.Your role as a Rust Developer will be:Building and designing...

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all...

You will have the ability to deep dive on different technology options quickly and provide recommendations on a path forward.

Senior Software Engineer - Go/React/AWS - Remote - New Role A leading organisation in the Gloucestershire area requires a Senior Software Engineer to join its growing team. Suitable candidates will have strong Go and React experience coupled with AWS experience. The successful candidate will have the following: - Substantial experience in full stack development (Go). - Proficiency in React and...

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all...

Job DescriptionWhite Collar Factory (95009), United Kingdom, London, London Staff Software Engineer - Back End About this role Do you love shaping the technical landscape and driving innovation across the organisation? Are you passionate about solving complex business problems and supporting multiple teams toward a shared technical vision? At Capital One, you'll be part of a community of...

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all...