51 to 75 of 75 Java Jobs in the City of London

Senior IDAM Java Developer - £525p/d Inside IR35 - Remote - SC Cleared

Hiring Organisation
Exalto Consulting ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 130,446 Annual
Senior Back-End Java Developer (IDAM) - Contract (Inside IR35) - SC Cleared We're looking for a Senior Back-End Java Developer with strong Identity & Access Management (IDAM) experience to join an Agile engineering team delivering enhancements, new features and BAU support for a large-scale IDAM service. You'll help ...

Java Software Engineer – Quant Hedge Fund (London, Hybrid)

Hiring Organisation
Winston Fox
Location
City of London, London, United Kingdom
Java Software Engineer with around 3-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. … Corporate Functions. The team deal directly with business users right across the firm, taking ownership of analysis, design, architecture, and implementation, working primarily with Java, but also with Python, SQL and to a lesser extent, MATLAB. They currently have an opening for a mid-level hire in the team, with ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
Software Engineer (Core Java) – Low-Latency Financial Trading! 💹 💰 Salary: £70,000 - £90,000 + bonus + benefits 📍 Location: 3 days onsite, City of London Looking to enter the fast-paced environment of financial trading? Do you have experience working in Core Java, high-throughput environments? This role is your chance … work on cutting-edge trading solutions! This highly respected financial institution is expanding its London office and is on the lookout for a Java Software Engineer to contribute to the development of their world-class FX trading platform. As a Java Software Engineer, you will: Collaborate with a team ...

Java Software Engineer

Hiring Organisation
Block MB
Location
City of London, London, United Kingdom
designing, building and testing new features, partnering closely with product and design, mentoring peers, and contributing to architecture decisions. Tech Stack Java/JVM ecosystem Spring MVC/Spring Boot JPA What they're looking for Strong Java backend experience Solid understanding of backend system design and architecture SOLID principles ...

Senior SRE (Java)

Hiring Organisation
Morgan McKinley
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Senior SRE (Java) The Opportunity: A Software-First Approach to Reliability I am currently partnering with a major FTSE 100 FinTech company that is undergoing a massive modernisation and observability overhaul. They aren't looking for a traditional, infrastructure-heavy SRE; they need a Senior Java Developer who has recently … client operates high-performance trading platforms for over 340,000 global users. They need an engineer who can "get under the hood" of a Java codebase to build, debug, and instrument for high-scale reliability while defining the standards for their future cloud-native architecture. Why This Role is Different ...

Graduate / Junior Developer, Python, Linux, C#, Java - London

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum
Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage … experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what should ...

Junior Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
Junior Java Developer – High-Throughput, Low-Latency Financial Trading! 💹 💰 Salary: £60,000 - £65,000 + bonus + benefits 📍 Location: 3 days onsite, City of London Are you looking to kick-start your career in a fast-paced environment? Do you have a year or two of commercial experience … passion for Java development? This role is your chance to join a leading Asian FX trading firm and work on cutting-edge trading solutions! This highly respected financial institution is expanding its London office and is on the lookout for a Junior Java Developer to contribute to the development ...

Software Engineer Java API SpringBoot AWS

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
Software Engineer/Developer (Java SpringBoot AWS) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. As a Software Engineer you will design, develop ...

Backend Engineer (Java) - Up to £60k

Hiring Organisation
Few&Far
Location
City of London, London, United Kingdom
Backend Engineer (Java, Spring) 🚀 HealthTech Startup 📍 Hybrid-Remote: City of London (1-2 days per week) 💰 £55,000 - £60,000 Did you know conditions like Dementia and Parkinson’s disease affect millions globally, yet care is still largely reactive? We’re working with a pioneering startup changing that. This team … product features Work closely with product and leadership Help scale a platform already being used in real-world healthcare settings Tech Stack includes: Java 21, Spring (core to the interview process), AWS, microservices, Terraform What They’re Looking For 2-4 years’ experience (likely your 2nd company) Strong foundations ...

Principal Engineer

Hiring Organisation
Arrive
Location
City Of London, England, United Kingdom
Platform, we are looking for a Staff Engineer. We are transitioning from a established PHP foundation to a high-performance, modern ecosystem built on Java and Kotlin . We need a technical heavyweight who can navigate our roots while architecting the future of global automotive services. Why This Role … Exciting This is a high-impact technical leadership role where you will: Architect the Future: Act as the primary driver for our move toward Java/Kotlin powered services. Bridge Two Eras: Use your deep understanding of architecture to ensure a seamless transition without disrupting services used by millions. Influence ...

Java Developer (Mid-Senior Level) - Up to £120k + Bonus

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
Role: Java Developer (Mid-Senior Level) - Up to £120k + Bonus Salary: Up to £120k base salary + Bonus + Package Location: London (Hybrid) This firm is an elite tech driven investment institution that uphold extremely high tech standards. They are made up of some exceptionally talented individuals who above … limits. They’ll find the best team to suit your skillset/interests but you'll be working with the latest versions of Java, directly with traders and quants to build out high performance pricing and analytics tools from scratch. This role is greenfield and will allow you to shape ...

Java Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £460 per day + Inside IR35
variety of sources, ensuring that different data sets can be effectively combined and analysed. They can also utilise programming languages such as Python, Java or SQL and tools such as Apache Spark or in this instance LakeFS, for data processing and management. Useful - R, Apache Spark. Very useful - Python ...

Java Engineers - Senior / Lead

Hiring Organisation
numi
Location
City of London, London, United Kingdom
writing. Evolve the tech stack by integrating modern technologies and patterns. What They’re Looking For Essential Proficiency in JVM-based languages, specifically Java or Kotlin. Deep experience with cloud-native architecture and multi-cloud environments. A pragmatic, iterative approach to solving complex technical challenges. Strong architectural thinking with ...

Senior Software Engineer

Hiring Organisation
Revoco
Location
City of London, London, United Kingdom
build software that truly matters. The position leans more towards a back end engineer . This role is perfect for engineers who started as Java developers but have grown to work across multiple languages, frameworks, and stacks. If you like solving problems, shaping products, and exploring new technologies, this role … looking for This role suits engineers who are product-minded problem solvers , not just implementers. You’ll likely bring: Strong backend engineering experience ( Java is ideal, but mindset matters more than language) Comfort working across different technologies (e.g. Java, .NET, Python, Go, microservices) Experience in product-led teams Confidence operating ...

Quant Developer OTC Pricing

Hiring Organisation
James Joseph Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
oriented modelling in Python with production engineering in Java. You will use Python to analyse data, test ideas and support model development, while using Java to build and enhance high-performance pricing infrastructure used in a live, global trading environment. You will be involved in the development of pricing logic … pricing problems at scale. KEY RESPONSIBILITIES: Quant Developer OTC Pricing Build and enhance quantitative pricing, hedging and optimisation models within a high-performance Java framework Work alongside quantitative researchers to analyse large datasets and translate research into production-ready solutions Use Python for model prototyping, data analysis, signal investigation ...

Graduate Developer in Test

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
around the world. As a Graduate SDET, you must have: BSc in Computer Science Degree from Russell Group University Strong comprehension of Core Java concepts and Computer Science fundamentals Hard-working & driven mindset In this position, you will gain extensive knowledge across a broad variety of technological topics: ✅ Automation testing … knowledge of REST APIs ✅ Software development experience in Java ✅ Identifying opportunities and executing improvements to quality process ✅ Developing automated tests and test frameworks ✅ Improving Continuous Integration pipeline ✅ Exposure to Docker, Kubernetes, SQL, Linus, Cloud deployments You will be joining a highly collaborative and smart engineering team, learning from some ...

Software Engineer (National Security)

Hiring Organisation
Frontier Resourcing
Location
City of London, London, United Kingdom
Make an Impact Central London 4 or 5 days a week on site Existing SC or DV Clearance is required National Security Sector Tech: JAVA/C++/Python - or Devops/Data Background An exciting opportunity has arisen for a Software Engineer to join a cutting-edge team developing … reviews Comfortable taking projects from initial concept through to delivery Analytical thinker who can decompose challenges and deliver iterative value Preferred Background Experience using Java, C++, or Python Understanding of data-intensive systems, backend services, or cloud-based platforms Familiarity with regulated, high-security, or mission-critical development contexts Confidence ...

Technical Consultant - Java Software Development

Hiring Organisation
MARBLE MAYNE RECRUITMENT LTD
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Technical Consultant - Java Software Development Location: London Contract Type: Permanent Salary: circa £85,000 - £120,000 total compensation (salary + discretionary bonus) Are you a solutions and project focused Technical Consultant with a strong back-end coding background in Java or Python? Do you have excellent people skills and enjoy ...

Data Analyst

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £510/day
main focus is understanding and documenting existing systems, with the goal of supporting decommissioning activities. The role centres on analysing current solutions built using Java, Node JS, and React, and developing a clear, end to end picture of how data flows across the wider programme. This includes documenting data flows … accurate and trusted. Experience working in cloud environments such as AWS or Azure is expected, with Databricks considered a nice to have. Required Skills: Java background Node JS Json RDS React Data Modelling Python/Spark Cloud experience (AWS/Azure) o AWS Glue o Databricks Testing e.g. PyTest Data ...

Senior Software Engineer

Hiring Organisation
Burns Sheehan
Location
City of London, London, United Kingdom
Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £110,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Senior ...

Software Engineer - Multi-Strat Hedge Fund - AI Systems - £400k

Hiring Organisation
Paragon Alpha - Hedge Fund Talent Business
Location
City of London, London, United Kingdom
building applications that span all asset classes, underpin trading strategies, and impact hundreds of end users. They're looking for an excellent C# or Java Engineer (Codebase contains both languages), but also someone with AI, distributed systems and database exposure. Stack: C# or Java, Kubernetes, Kafka, React, LLMs The firm ...

Java Risk Engineer – Multi-strat Hedge Fund – £250k TC

Hiring Organisation
Saragossa
Location
City of London, London, United Kingdom
high-performance environment (and top of the class in their field), meaning your performance-related bonus will be better than most. They're a Java house, so previous experience building low-latency applications in Java is a must here. If you've got exposure/an understanding of Equities/ ...

Quantitative Developer

Hiring Organisation
L.Knighton
Location
City of London, London, United Kingdom
partnering with a leading Trading firm seeking a Senior Java Engineer to help develop and evolve the trading interfaces used by traders and risk teams across global markets on their most profitable trading desk. This role focuses on building high-performance, real-time trading applications , delivering intuitive tools that allow … directly by traders. These applications process high-frequency market data and provide tools for order entry, pricing, and risk monitoring. The role combines core Java engineering with front-end desktop development , working on applications built using Java Swing. You will collaborate closely with traders, quants, and backend engineers to build ...

Full Stack Engineer

Hiring Organisation
CBTS
Location
City of London, London, United Kingdom
days/week, 2 days/week WFH Years of Exp: 3-9 years Skills: Full Stack, Kotlin (essential), TypeScript (essential), CI/CD, Java £25-£40/hr depending on experience and assessment level, Inside IR35 Visa sponsorship is not available. Strong fundamentals of Computer Science to scale developments. … Excellent communication & interpersonal skills. Creative and a good team worker. Kotlin (or strong Java) & TypeScript mainly – full stack ideally. Fundamentals are very important. Data structures, algorithms & system designs. Online test will be given in the first instance. Successful candidates will go through a 2 round interview process. GitHub could help ...

Software Development Lead Bank

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £150000/annum
range: £(Apply online only)k Role requirements: team management, software development strong prior background in development in any of the core technologies: C#, .Net, Java, SQL This is a great opportunity for a team leader to lead a brilliant software development team. You will be leading a team of developments. … technical stack is C#, .Net, Java, SQL This role will report into the Head of Development within the Post trade technology area of the bank. This role is focused on People management and team management Role requirements Team leading and team management experience Development background - strong prior background in development ...