101 to 125 of 156 Java Jobs in Central London

Senior Developer - £400PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £425/day
Responsibilities Backend Development: Develop and maintain backend services, with Python as the preferred language for new systems. Provide support for services built in Java and .NET, ensuring seamless integration and continued reliability. Enhance and maintain existing solutions using Oracle SQL PL. Database & Data Services: Work with relational databases including Oracle … culture of knowledge sharing and continuous improvement. What We're Looking For Strong experience developing backend services with Python, plus working knowledge of Java and/or .NET. Proficiency in SQL and experience with Oracle PL/SQL or similar technologies. Hands-on experience with cloud platforms (AWS, Azure), containerisation ...

Full Stack Software Engineer

Hiring Organisation
Firenze
Location
City of London, London, United Kingdom
design, build, and deliver customer-facing features across our greenfield platform. You’ll work end-to-end—crafting TypeScript frontends and robust Java back-ends—while learning from experienced engineers and contributing to a modern, scalable architecture . This is a hands-on role with plenty of opportunity to develop … mentorship, learning, and engineering excellence. Key Responsibilities Feature Delivery: Collaborate with senior engineers to deliver new features from design to production. Back-End Engineering (Java): Build APIs and microservices using Java (Spring Boot, Micronaut, or Quarkus), with guidance on best practices for performance and reliability. Front-End Engineering (TypeScript – Nuxt ...

Senior Java Software Engineer

Hiring Organisation
Paritas Recruitment
Location
City of London, London, United Kingdom
Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We’re partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role building high-performance, scalable software … such as e-commerce search functionality, streaming platform logins, or other large-scale consumer-facing systems. What We’re Looking For Proven experience developing Java microservices for high-traffic applications (retail, e-commerce, media, or streaming platforms). Hands-on experience with the full software lifecycle in agile environments ...

Power Systems Engineer

Hiring Organisation
Vallum Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550 per day Inside IR35
delivering Energy Management Systems Should have worked on Power Systems applications for Distribution (VVC (Volt VAR Control, Automatic Feeder Rate etc) Experience with C++, Java, SQL or other related language. Experience with LINUX and Windows Operating Systems Design, implement, and optimize ADMS solutions to meet business needs and improve operational ...

Senior Solutions Architect

Hiring Organisation
Michael James Associates
Location
City Of London, England, United Kingdom
technology estate. Knowledge: Insurance experience is essential Working knowledge of Architecture technology solutions Experience with Enterprise, Application and information architecture. General knowledge of Java ...

Sports Trading Quantitative Analyst

Hiring Organisation
Spectrum It Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science ...

Observability Engineer

Hiring Organisation
Hays Technology
Location
City of London, London, Cheap, United Kingdom
Employment Type
Contract
succeed Extensive experience in observability/SRE/platform engineering roles Strong experience with OpenTelemetry, Prometheus, Grafana, Splunk, Elastic etc Python, Go or Java programming Experience with Terraform, Helm or other IAC tools What you'll get in return An exciting opportunity to join an international organisation in financial services. ...

Technical Lead

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
part in shaping architecture, mentoring engineers, and driving best practices across the platform. They’re looking for people with experience in: Kotlin (or strong Java engineers willing to transition) AWS or other major cloud platforms Event-driven & microservices architectures Working in modern, product-driven tech environments Leading teams while remaining ...

Offensive Security Tester Red Team

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
keen interest in Cyber Security and understanding of key concepts and protocols You can code with any OO programming language (e.g. Python, C++, C#, Java) You have experience of using different operating systems and networking technologies You have a good understanding (and interest in) low level concepts including operating systems ...

Technical Account Manager

Hiring Organisation
Travelfusion
Location
City of London, London, United Kingdom
appropriate message and delivery method, limiting or explaining technical language What experience you'll have 5+ years of development/engineering experience Knowledge of Java Strong analytical skills with experience leading highly complex products through technical support, product development or project management. Having a consistent track record of being ...

Senior Java Software Engineer

Hiring Organisation
Stott and May
Location
City of London, London, United Kingdom
Senior Java Engineer Location: London (x3 days a week onsite) Salary: Up to £80k DOE Type: Perm Job Description We are looking for a passionate Senior Java Engineer in London to lead the design and development of core product features and services that power an app used by thousands … travellers on a daily basis. As a Senior Java Engineer for an loyalty program team, you will have the opportunity to make a massive impact on traveller's behaviour and booking experience. Specifically, you’ll be responsible for driving improvements to loyalty offerings that enable millions of business & leisure travellers. ...

Java Developer

Hiring Organisation
Lorien
Location
City of London, London, United Kingdom
Agile methodology • To Contribute to continuous improvement plans throughout the product lifecycle, particularly during team retrospectives Knowledge, Skill and Experience • Proven experience of Java, Spring and Hibernate • Proven experience of Angular, Javascript, HTML5, CSS, RESTful services • Proven experience of Oracle database • Proven experience of testing framework using Junit 5 • Experience ...

Senior eFX Low Latency Java Developer

Hiring Organisation
Reed Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£150000 - £160000/annum
Title: Senior eFX Low Latency Java Developer Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert in low latency trading systems. This is a hands-on development role focused on building and optimizing pricing, hedging … systems for the eFX trading desk. Experience in eFX pricing is essential , including price construction and algorithmic trading . You'll work closely with Java and C# developers, business analysts, project managers, and QA teams to deliver high-performance solutions. A strong understanding of FX trading, low latency architecture ...

Implementation Engineer

Hiring Organisation
Pyramid Consulting, Inc
Location
City of London, London, United Kingdom
Title: Senior Java Developer – Livelink (OpenText) Implementation Specialist Location: London, UK (Hybrid/On-site as required) Employment Type: Full-Time Team: Engineering/Integration Services/Digital Content Management 🧠 About the Role We are seeking an experienced Senior Java Developer with deep expertise in Livelink/OpenText Content Server … implementation, integration, and customization. The ideal candidate will design, build, and support scalable enterprise solutions leveraging Java technologies and Livelink APIs for large-scale document/content management environments. 📘 Key Responsibilities Technical Delivery Lead the implementation and enhancement of Livelink/OpenText Content Server solutions. Design, develop, and deploy Java ...

Recruitment Consultant Technology

Hiring Organisation
NexGen Talent Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£35,000
maintain strong client relationships, understanding their hiring needs and providing market insights Source and screen candidates for technical roles (SAP, ERP, CRM, DevOps, Java, Cloud, Digital, Blockchain, etc.) Negotiate offers and manage the end-to-end placement process Meet and exceed agreed KPIs and revenue targets Requirements Minimum 12 months ...

Quantitative Analyst

Hiring Organisation
Stanford Black Limited
Location
City of London, London, United Kingdom
Experience: Prior exposure to quantitative research or electronic trading, ideally including market microstructure and trading strategies. Technical Proficiency: Strong coding skills in Python or Java; familiarity with KDB+ (Q) is advantageous. Experience with large-scale market data and statistical modelling is key. Quantitative Expertise: Knowledge of statistical methods, machine learning ...

Lead PKI Engineer - Fully remote - Excellent opportunity

Hiring Organisation
Cyber Talent Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
building and expanding upon their existing PKI infra-structure. Required skills and experience:- PKI lead or similar type roles. S oftware development, preferably in Java and Python is desirable. In depth experience with key ceremonies S ystem development lifecycle and system integration is desirable. C ryptography programming, nShield HSM (Hardware ...

Java Developer - eTrading Solutions

Hiring Organisation
Hays Specialist Recruitment Limited
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Join a leading banking firm as a Java Developer - eTrading Solutions Job Overview: Do you have a proven track record of building high-performance solutions? Are you confident at iteratively refining user requirements and removing any ambiguity? Do you want to design and build best-in-class, enterprise scale applications … using the latest technologies? We're looking for a java developer to: Develop scalable Java applications for complex business challenges Optimise and refactor existing services to improve performance and maintainability Translating business requirements into technical specifications Perform code reviews and share results with colleagues Lead UAT and demonstration sessions with ...

Software Engineer - Core Wealth

Hiring Organisation
Hargreaves Lansdown
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
adoption throughout HL Digital. Contributing to technical decisions and shaping how we build our services. About You Experience building and deploying services with Java and Spring Boot. Comfort working in a cloud-native environment - Kubernetes (EKS), containers, scaling etc. An understanding of observability, using tools like Prometheus and Grafana … engineers within the team. Adaptable, thriving in a fast-moving environment where we ship things quickly and always look to evolve. Your Technical Toolkit Java (21) and Spring Boot AWS and cloud-native architecture RDBMS/NoSQL databases Event-driven and microservices architectures Containers (e.g., Docker, Kubernetes) CI/ ...

Software Engineer in Test (Java)

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Software Engineer in Test (Java backend & APIs) ??| Fintech Trading ?? ?? £70,000 - £90,000 + Bonus + Benefits ?? Hybrid - 3 days/week in Central London Join a collaborative, engineering-led team ensuring the stability and performance of a high-volume, global electronic trading platform. You'll write clean, quality Java … based automation code to contribute to an internal Java-based test automation framework, catching issues before they hit production and helping deliver flawless, high-performance user experiences. What You'll Do Build and maintain robust Java test automation Work on an internal Java-based test automation framework used across ...

Full Stack Engineer

Hiring Organisation
Reed Professional Services
Location
City of London, London, United Kingdom
join our team. The successful candidate will have a proven track record in both front-end and back-end development, with strong skills in Java, Python, and API development. You will be instrumental in building and maintaining scalable, high-quality applications that deliver exceptional user experiences. … role: Develop and maintain front-end and back-end components of applications. Utilise Java and Python to create robust, scalable server-side logic. Implement responsive and visually appealing front-end designs using HTML, CSS, JavaScript, and modern frameworks like React, Angular, or Vue. Design and manage API integrations, ensuring seamless ...

Artificial Intelligence Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
/ML pipelines and vector databases (e.g. Pinecone, FAISS, Weaviate). Proficiency in Python plus at least one other backend language (TypeScript or Java preferred). Proven experience with AWS , containerisation, and infrastructure as code (Terraform, Docker). Solid understanding of API design, data modelling, and microservice architecture. Excellent communication … skills, with the ability to translate technical outcomes into business impact. Tech Environment Languages: Python, TypeScript, Java AI/LLM: OpenAI, Anthropic, Retrieval-Augmented Generation (RAG) Infrastructure: AWS (Lambda, ECS, S3), Terraform, Docker Databases: PostgreSQL, MySQL, Redis, vector databases DevOps: GitHub, CI/CD pipelines Why Join Competitive salary ...

Full Stack Software Engineer Java React Banking

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £85000/annum
Full Stack Software Engineer Java React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title: Full Stack … Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base This is an AVP Banking front office ...

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 ...

Full-Stack Developer

Hiring Organisation
mthree
Location
City of London, London, United Kingdom
Full-Stack Developer - Finance Technology (Java, Spark, Cloud) - Global Investment Bank We’re hiring a Full-Stack Developer to join a high-impact Finance/Regulatory Technology team within a leading global investment bank working on business-critical regulatory reporting platforms. You’ll help modernise legacy systems and build strategic … cloud-based data solutions used across the firm. You’ll work in a collaborative Agile squad focused on Java services, Spark data pipelines, and cloud transformation, partnering closely with Finance and Regulatory teams. Key Responsibilities Build and enhance full-stack applications for regulatory and financial reporting Develop Java backend services ...