1 to 25 of 79 Permanent Java Jobs in Central London

Senior Java Software Engineer

Hiring Organisation
TetriQ Solutions
Location
City of London, London, United Kingdom
Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing … conducting code reviews, troubleshooting complex technical issues, and driving innovation with new technologies. Key Responsibilities: • Team Leadership: Lead, mentor, and guide a team of Java developers in the development lifecycle. • Project Management: Oversee Java development projects from conception to completion, ensuring alignment with project requirements and timelines. • Technical Expertise: Design ...

API Automation Engineer

Hiring Organisation
Impellam Group
Location
City of London, London, United Kingdom
Financial Services Lorien's leading banking client is looking for a skilled API Automation Engineer with strong experience of with Rest API testing in Java to join our London-based team. The ideal candidate would have experience of working with Cloud Technologies and Streams-process platforms. This role is based … Umbrella. Working in a Hybrid Model of 2 days a week on site. Key Skills and Experience Rest API automation testing in Java Java library and framework: Lombok, Spring Boot Stub testing experience: yaml, wiremock or Mockito, SOAP API testing Programming languages experience in OOP: Java or C# tools used ...

Lead Solutions Architect

Hiring Organisation
Datamatics
Location
City of London, London, United Kingdom
Solid understanding of microservices architecture, APIs, and distributed systems Experience with enterprise integration patterns and middleware Proficiency in programming languages such as Java, .NET, or Node.js Strong knowledge of database technologies (SQL and NoSQL) Experience with DevOps, CI/CD pipelines, and containerization (Docker, Kubernetes) Excellent problem-solving and analytical ...

TypeScirpt Full Stack Engineer

Hiring Organisation
83zero
Location
City of London, London, United Kingdom
NoSQL databases (especially MongoDB) or SQL (e.g., Postgres) Understanding of web standards, accessibility and development best practice Bonus Skills Building microservices in C# or Java Integrating LLMs (e.g., LangChain, Vercel AI) Using the GOV.UK Design System and Nunjucks What You’ll Love You’ll join a community that values technical ...

Solutions Engineer

Hiring Organisation
Coralogix
Location
City of London, London, United Kingdom
considered an advantage. Previous experience in Technical Sales of Observability, Monitoring, APM, RUM, SIEM is desirable. Proficiency in coding with high-level programming languages (Java, Go, Python) - advantage Candidates should have hands-on experience and the ability to integrate these technologies into customer environments, providing tailored solutions that meet diverse ...

Lead backend Kotlin/Java engineer

Hiring Organisation
CryptoStars Traders
Location
City of London, London, United Kingdom
About Pro Trader We are the team behind the Cryptostars trading platform (https://protraderseco.com/cryptostars-traders), a sophisticated ecosystem designed for amateur traders. Whilst our current focus is on delivering high-performance ...

Automation QA Analyst

Hiring Organisation
Vallum Associates
Location
City of London, London, United Kingdom
Required Skills & Experience Strong experience in automation testing using Selenium/Playwright/Cypress Proficiency in programming languages such as Java, Python, or C# Experience with API testing (Postman, REST Assured, or similar) Knowledge of testing frameworks (TestNG, JUnit, Pytest, etc.) Familiarity with CI/CD tools (Jenkins, Azure DevOps ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
will bridge the gap between product and real-world use, ensuring solutions deliver meaningful impact. Requirements: Strong programming skills in either: Backend: Python, C++, Java, Rust OR frontend: JavaScript/TypeScript (React, Angular, etc.) Strong communication skills and ability to work directly with users Willingness to travel Right to work ...

Java Software Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13 billion. Job Description- Job Title: Senior Java Engineer Must Haves- Java, Kafka, Microservices, Spring Boot, Postgres and AWS The Opportunity: We are looking for ambitious and motivated individuals who are keen … enabling customers to manage their finances and protect and build their financial futures. Purpose: To cope with our expansion, we are looking for Senior Java Engineers to join our mission and help us build a global product that's scalable, reliable and secure. You will work in tribes alongside product ...

Developer Golang

Hiring Organisation
CBTS
Location
City of London, London, United Kingdom
Client: Largest American Credit Card Company Location: Burgess Hill 3 days/week Years of Exp: 6-9 years Skills: Go, Java, Git, REST, Jenkins, NoSQL, Postgres/ql £40-£50/hr Inside IR35 Visa sponsorship is not available. We're looking for an enthusiastic, diligent Golang Software Engineer ...

ML/AI Software Engineer

Hiring Organisation
RedTech Recruitment
Location
City of London, London, United Kingdom
/AI Algorithm Engineer/Machine Learning Specialist/Vision Systems Engineer/AI/ML Software Developer/Computer Science/C/Java/Python/C#/JavaScript/Go/Golang/Kotlin/Docker/Programmer/Software Engineer/Software Developer/Programming/ ...

Engineering Manager - Software & ML

Hiring Organisation
Capital One UK
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Excellence: Proven experience leading and supporting software engineering teams to achieve business goals. Technical Breadth: Excellent knowledge of RESTful API development in modern languages (Java, Python, or .Net) and experience with Cloud environments (AWS or Azure). AI Awareness: You aren't necessarily a researcher, but you have expectations ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role … offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput ...

Contract Senior Backend Engineer

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
help them scale up their AI platform and make a real impact. They are looking for an engineer with strong commercial use of either Java, Kotlin or Scala and proficiency with Python to help modernise their codebase. Responsibilities: Build and scale backend systems for AI-driven automation products Collaborate with ...

Senior WMS Developer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Oracle or SQL Server) and Linux environments. Experience with integrations (SFTP, APIs, web services, message-based systems) and Git . Desirable: .NET/C#, Java, Centiro or other CMS, ServiceNow/ITSM tools , Agile/DevOps experience, ITIL/change management awareness. Additional Information Flexible hybrid working – candidates from anywhere ...

Technical Lead / Solution Engineer

Hiring Organisation
I3 Resourcing Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Experience Essential Strong Salesforce (Sales Cloud) experience Proven background as a Technical Lead/Solution Architect/Solution Engineer Experience with: AWS (Glue, AppFlow) Java development API integrations (REST/SOAP) CI/CD pipelines & cloud deployment (AWS/Azure) Experience working across business requirements/user journeys (BA background ...

Pricing & Market Data (Migration Specialist)

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Control (legacy) and Prime EDM. Architecture : Cloud-native migrations (AWS/Azure), API design, and SQL/NoSQL performance tuning. Scripting : Python (preferred) or Java for custom business logic and automation. Pricing Logic : Strong understanding of EOD (End of Day) vs. Real-time pricing, forward curve construction, and basis risk ...

Senior Software Engineer

Hiring Organisation
LinuxRecruit
Location
City of London, London, United Kingdom
next tech unicorn, together, in the same room, ask the big players. What you’ll need to succeed: Strong experience building production quality software (Java, TypeScript, React or Python) Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively Hunger and drive: you’re comfortable working ...

Lead Software Engineer

Hiring Organisation
Spires Online Tutoring
Location
City of London, London, United Kingdom
Senior Full Stack or Software Developer 2+ years of proven management experience Strong experience with React and modern frontend development Backend development experience (Java preferred) Solid knowledge of JavaScript, HTML, and CSS Experience working with PostgreSQL databases Experience using Git in a collaborative development environment Ability to communicate technical concepts ...

Head of Software Engineering - Group Technology

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
/4HANA Cloud (SAP Business Suite 4 SAP HANA) Moving parts of the estate through a wider cloud migration Rebuilding selected applications using modern Java and React‐based architectures Current platform landscape includes Blue Yonder supporting core HR capabilities Systems covering Time and attendance, Holiday management, and Payroll ...

Global Banking & Markets - Trading Systems Support Engineer - Associate/Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Site Reliability Engineering (SRE) practices, including automation, monitoring, and incident response. Proficiency in at least one scripting or programming language (e.g., Python, Shell Scripting, Java, C++) for automation, tooling, and operational tasks. Experience with distributed systems design, maintenance, and troubleshooting. Knowledge of financial markets, electronic trading workflows ...

Senior Java Developer - Low Latency

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
intuition with that, and some modern messaging like Aeron or ZeroMQ." 12+ years of experience. - Lead the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers and ensure … industry trends and integrate relevant technologies into projects. SKILL REQUIREMENTS - Bachelor's degree in Computer Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate ...

Java Architect (with Capital Markets)

Hiring Organisation
DXC Technology
Location
City of London, London, United Kingdom
Java Architect (with Capital Markets exp.) Project description We are building an end-to-end client lifecycle management solution, where technology drives procedural automation and standardization. Our solution includes industry-leading modules and tools widely adopted by financial institutions. This strategic initiative spans the entire client lifecycle—from onboarding … integration with various in-house products such as Counterparty Manager, ISDA Amend, Outreach360, Request for Amendment, KYC, and Tax Utility. We leverage a mature Java/Spring Boot-based tech stack, supported by AWS infrastructure, along with the latest advancements in the industry to deliver this solution over a multi ...

Senior JavaScript Engineer | DataGrid & Charting Libraries | London

Hiring Organisation
techstack Recruitment
Location
City of London, London, United Kingdom
adopted developer tooling What they’re looking for Strong JavaScript and TypeScript fundamentals (framework-agnostic mindset) Experience with a statically typed language (C++, C#, Java, Python, etc.) Deep understanding of algorithms, data structures, and software design Experience building complex systems — not just application-layer UI Familiarity with React, Angular ...

Senior FDE, Palantir

Hiring Organisation
Staffworx
Location
City of London, London, United Kingdom
OSDK/APIs Actions and AIP/agentic features Proficiency in at least one general-purpose programming language commonly used with Foundry (e.g. Python, Java or similar) for data transformations, services and integrations. Solid understanding of core data engineering concepts: batch/stream processing basics, data modelling, data quality ...