Senior Java React Developer jobs in London

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

*Altimetrik** is a digital enablement company. We deliver bite-size outcomes to enterprises and start-ups across various industries in an agile way, helping them scale and accelerate their businesses. What makes us unique in the IT market is our innovation-first approach, strong focus on core develo

Who are 118118 Money? At 118 118 Money, we are dedicated to helping Britain achieve financial fitness. In 2023, we proudly relaunched the iconic 118 118 twins, reaffirming our commitment to improving the financial health of individuals across the nation. Our loans and credit cards are designed speci

About us At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up – things move fas

*Java Developer** to join a leading UK brand. Excellent rates (Inside IR35), remote working & long term engagement *Key Responsibilities** Build Java/Spring Boot services, APIs, and microservices Manage CI/CD, AWS deployments, and containerization (Docker/Kubernetes) Write SQL and support report

Smartedge’s Client is looking for an individual to help with thei *r** *Senior Full Stack Engineer** *Job Details :** Role Name : Senior Full Stack Engineer Role Location : Canary Wharf, London, UK/Hybrid Role Type : Contract *Job Description :** Role Overview: We are seeking a Senior Full Stack Eng

*Java Developer** *London, UK (Hybrid Work)** *Contract (Inside IR35)** *Key Responsibilities:** Design, implement, and maintain market connectivity solutions using TransFICC’s Unified API. Integrate and manage connectivity with electronic trading venues such as Tradeweb, Bloomberg, MTS, BrokerTec,

Do you have 1 - 3 years commercial experience developing software with Java?* Looking to join a company when you can make a real impact?* *🚀 Java Software Developer** – SaaS Solutions 🚀 *💲 Salary** – up to £55k + bonus *📍 Location** – hybrid working 2 days a week in modern London office We have

Do you have 3-5 years experience and are looking for your next challenge?* Have you been developing with Core Java without the use of frameworks?* *Mid Java Developer – Leading FinTech** *Location** – hybrid in London 3 days a week *Salary** – up to £90k + bonus We are working with our long-term par

Have you got experience leading a team while remaining hands-on and technically involved?* *Senior Java Developer – FX Trading** *Salary** : up to £130k + bonus *Location** : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor FinTec

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 Engi

*Job description** Role-Full Stack Developer Mode-Hybrid-3 Days from London Type-FTE/Perm Key Responsibilities End to End Development Design develop test deploy and maintain web applications from UI to database Front End Create user interfaces and layouts using HTML CSS JavaScript and modern framewo

*Role: Java Backend Developer** *Location: London, UK** *Duration: Contract** *Job Description:** *Essential skills/knowledge/experience:** 5–10 years of overall software development experience, with minimum 4+ years of hands on Java development Strong experience with Java 9+ Proven expertise in Spr

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 Engi

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 Engi

**hackajob** is collaborating with *Sainsbury's DTD** to connect them with exceptional professionals for this role.* We’d all like amazing work to do, and real work-life balance. That’s waiting for you at Sainsbury’s. Think about the scale it takes for us to feed the nation. The level of data, trans

*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 Overvie

Java Developer- Listed Derivatives ______________________________________________________________________ Location: London, UK Type: Full-time Department: Technology _______________________________________________________________________ Summary eClerx Markets is searching for a talented and motivat

Java Developer (Low Latency) Location - London (3days Onsite Weekly) Permanent position DETAILED RESPONSIBILITIES- - Lead the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Opt

Hi, Java Low Latency Developer FTE London, UK (Hybrid) Description: "Our app relies heavily on async development, we use vertex. it takes significant time to switch perspective. And to lead he need to already have significant intuition with that, and some modern messaging like Aeron or ZeroMQ." Resp