1,026 to 1,050 of 3,716 Permanent Java Jobs

Java Developer

Hiring Organisation
Adecco
Location
Ipswich, Suffolk, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Java Developer (SIP/VoIP) Ipswich (Hybrid) | 6 Month Contract | Inside IR35 My client, a leading telecoms company, is looking for an experienced Java Developer to join a team delivering next-generation voice and communications platforms. This is an exciting opportunity to work on large-scale telecoms services, cloud technologies … powered voice solutions. What You'll Be Doing Developing and enhancing SIP-based voice applications using Java Working with JAIN SLEE and SIP Servlet frameworks Supporting and integrating voice platforms including FreeSWITCH and Asterisk Deploying and supporting solutions across AWS, Azure and GCP Integrating Speech-to-Text, Text-to-Speech ...

Lead Software Engineer: Java, JS & AWS Cloud

Location
Glasgow, Scotland, United Kingdom
will help shape architecture, deliver secure, scalable software, and collaborate across internal teams to support business objectives. You will lead development efforts across Java, React JS, Python, and cloud-native environments, ensuring operational stability and high availability of enterprise systems. #J-18808-Ljbffr ...

Senior Backend Engineer - Scala/Java & Cloud (Event-Driven)

Location
Greater London, England, United Kingdom
также опыт с Kafka и тестированием. Участие в проектировании, код-ревью и тесное взаимодействие с cross-функциональными командами обязательно. Требуется опыт работы с Java и ReactJS, знание AWS и PostgreSQL приветствуется. #J-18808-Ljbffr ...

Lead Java Developer - Cloud-Native Microservices

Location
Greater London, England, United Kingdom
Digital Limited is seeking an experienced Lead Java Developer for a 12 Month FTC. You will lead the design, development and operation of cloud-native services across AWS and Kubernetes, shaping engineering standards and delivery practices. This role involves technical leadership across the full software lifecycle and collaboration with architects ...

Java Software Developer

Hiring Organisation
Understanding Recruitment
Location
London, United Kingdom
Salary
£ 50 K
000LondonDo you have 1 - 3 years commercial experience developing software with Java Looking to join a company when you can make a real impact? ð Java Software Developer – SaaS Solutions ðð2 Salary – up to 55k + bonusð Location – hybrid working 2 days a week in modern London officeWe have … fantastic brand-new opportunity for a Java Software Developer to join a fast-growing London-based technology SME that provides digital and SaaS solutions for a number of UK companies and government functions.Their admirable dedication and customer focus has already contributed to significant annual growth and driven long-standing partnerships ...

Java API Engineer – Scalable Sportsbook Platform

Location
Manchester, England, United Kingdom
collaborating across Sports UI, Platform and Data teams in a modern AWS-based stack. You’ll contribute to delivering robust, scalable APIs, using Java 17/21, Spring Boot 3.x, Docker, Kubernetes, GraphQL and Kafka, with a strong emphasis on continuous delivery, testing and agile teamwork. #J-18808-Ljbffr ...

Core Java Developer - Quant Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Core Java Developer – Quant Trading90,000 Plus 10% to 40%Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn't what this firm does, tech is. Our client is an innovative tech driven trading … order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 2-10 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don't have a comp sic degree ...

Core Java Developer - Fintech

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Core Java Developer – Fintech90,000 Plus 10% to 40%Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn't what this firm does, tech is. Our client is an innovative tech driven trading (Equities … order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 2-10 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don't have a comp sic degree ...

Junior Java Software Engineer - Data Engineering

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Java Software Engineer – Data EngineeringUp to 70,000 + bonus and benefits4:1 hybrid in office – City of LondonQuant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward Python … PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm. What you'll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the businessWrite clean, testable code with solid engineering discipline (testing, code review, debugging, production support)Maintain ...

Senior Java Developer

Hiring Organisation
Stanford Black
Location
London, United Kingdom
Salary
£ 100 K
About The RoleA trillion-dollar asset management firm in London is looking or the top Java developers in the City to build out brand new functionality on their industry-leading market data systems leveraging Java 11.They’ve seen immense investment into their Risk management space recently given full autonomy … candidate to work incredibly closely with the desk in a genuinely tech-driven environment amongst a group of incredibly high calibre engineers.Required:5+ years Java development experience in an enterprise environment.Strong Computer Science, Engineering (or a related subject) background.Able to work in a modern software engineering environment, using Agile ...

Mid Level Java Software Engineer – Data Engineering

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 60 K
Java Software Engineer – Data EngineeringUp to 100,000 + bonus and benefits4:1 hybrid in office – City of LondonQuant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward Python … PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm.What you’ll do:Build and enhance Java backend services (APIs, batch jobs, integrations) used across the businessWrite clean, testable code with solid engineering discipline (testing, code review, debugging, production support)Maintain and extend ...

Core Java Developer-Contract – Trading

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
Core Java Developer – Trading Contract Outside IR35Open BudgetQuant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is.Our client is an innovative tech driven trading (Equities … order of multi millions not 3 guys in a shed.The role:This role and would suit a candidate with 7 years plus of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with ...

Java Developer

Hiring Organisation
Clear IT Recruitment
Location
London, United Kingdom
Salary
£ 60 K
Salary 60,000 - 70,000 Job Type Permanent Location Southwark, LondonExciting opportunity for a Java Developer to join an gaming company, to join an award winning and forward-thinking gaming company in Southwark, London.The candidate will be expected to be able to give design recommendations and improve and maintain … love of mathematics is a distinct advantage for a role that relies heavily on statistics and probability.Experience: • Experience of development of stable, scalable Java applications and services. • Experience of mathematics associated with statistics, standard deviation and probability, ideally to A level or higher.Responsibilities: • Building game engines on the current ...

Back End Developer (Kotlin / Java) - Outside IR35

Hiring Organisation
Be-IT Resourcing
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £650.00 per day
Developer to join a project to rebuild a long standing on-prem system as a cloud-native application on Azure. Stack Kotlin and Java 21 on Spring Boot. Kotlin preferred, strong Java engineers welcome if open to writing Kotlin. Azure PostgreSQL on the new side, SQL Server … properly and push back when it's wrong Substantial backend experience Real depth on the JVM with Spring Boot - Kotlin ideal, but strong Java with appetite to work in Kotlin works. Domain-driven design and messaging patterns PostgreSQL Kafka, Service Bus or Pub/Sub Shipped to a public cloud ...

Java Web Developer – Trading Systems

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
Java Web Developer – Trading Systems(up to 60K)Quant Capital is urgently looking for a Java developer to join our high profile client.My client is a well known financial connectivity provider for the front office. They create a low latency high volume transaction network for Equity and Fixed Income trades. … team of 6 who work completely to the Scrum Methodology. The product is large and complex with comprehensive business functionality written in Java and has both desktop and web clients. You will quickly progress to complete platform and tool development as well as the ability to be client facing ...

Junior Core Java Developer Big Data Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 60 K
Tech: Core Java, SQL, JSON, Angular 6 Challenge: Greenfield Big Data Analysis Platform Development in FS Firm: Well-known Financial Data fintech50 business, City of London, 20 man flat Dev Team Pay: 80k, Options, training budget, Pension, Life/Health, Some Work from Home NO FINANCE EXPERIENCE NEEDEDJunior Core Java … Developer Big Data FintechQuant Capital is urgently looking for a Junior Core Java Developer to join our high profile client. Our client is the world’s leading market portfolio risk analytics software businesses. This Fintech business has both a B to C and a B to B product both ...

Java Developer (Contract)

Hiring Organisation
Stanford Black
Location
London, United Kingdom
Salary
£ 80 K
About The RoleA top hedge fund in London is looking for the top Java contractors (also seeing exposure to OO python) in the city to build out brand new stress testing functionality to the major market risk system of the entire firm globally. They’re replacing a legacy system with … successful candidate to see daily business interaction in a genuinely tech-driven environment amongst a group of incredibly high calibre engineers.Required:3+ years Java development experience in an enterprise environment.Market Risk and/or Stress Testing exposure in an enterprise environment.Strong Computer Science, Engineering (or a related subject) background.Able ...

Software Engineer - Java - HealthTech

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Reading, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £75,000 per annum
Software Engineer | Reading/Hybrid | £55,000 - £75,000 | Saas | Tech4Good | Medtech | Java | AWS | Azure | JavaScript | Full stack Developer | Looking for autonomy? Want to join a company in hyper growth mode? I am supporting a brilliant Saas company whose software supports millions of people within the healthcare sector. They … types of product development from Lifecycle from adding new functionality to greenfield new projects. You will be working across a tech stack which includes, Java, JavaScript, AWS, Azure, SQL, HTTP/AJAX and more. Salary is up to £75,000 and they work hybrid with 2-3 days a week ...

Java Developer (Contract)

Hiring Organisation
Stanford Black
Location
London, UK
Employment Type
Full-time
About The RoleA top hedge fund in London is looking for the top Java contractors (also seeing exposure to OO python) in the city to build out brand new stress testing functionality to the major market risk system of the entire firm globally. They're replacing a legacy system with … successful candidate to see daily business interaction in a genuinely tech-driven environment amongst a group of incredibly high calibre engineers. Required: 3+ years Java development experience in an enterprise environment. Market Risk and/or Stress Testing exposure in an enterprise environment. Strong Computer Science, Engineering (or a related ...

Technical Lead - Java

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£95,000
Role: Technical Lead - Java Location: London Area, United Kingdom (Hybrid) Employment Type: Full-time Seniority: Technical Lead Salary: 90,000 + Bonus Are you a hands-on Java Technical Lead with experience delivering AI-powered solutions at scale? We're looking for a Technical Lead - Java (AI Enabled) to drive … leverage Agentic AI, workflow orchestration, and intelligent automation to solve complex business challenges. What You'll Do Lead the design and delivery of scalable Java 17+/Spring Boot microservices Own architecture decisions, system design, and engineering standards Design resilient, high-performance APIs and distributed systems Mentor and develop engineers ...

Software Engineer - Java - HealthTech

Hiring Organisation
Opus Recruitment Solutions
Location
Reading, Berkshire, United Kingdom
Salary
£ 60 K
55000.00 - 75000.00 per yearDate Posted: 2026-08-28Expires: 2026-09-11Software Engineer | Reading/Hybrid | 55,000 - 75,000 | Saas | Tech4Good | Medtech | Java | AWS | Azure | JavaScript | Full stack Developer |Looking for autonomy Want to join a company in hyper growth mode I am supporting a brilliant Saas company … types of product development from Lifecycle from adding new functionality to greenfield new projects.You will be working across a tech stack which includes, Java, JavaScript, AWS, Azure, SQL, HTTP/AJAX and more.Salary is up to 75,000 and they work hybrid with 2-3 days a week ...

Java Data Developer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
Tech: Core Java, JDBC, Kafka, HDFS, Docker, SQL, MultithreadingChallenge: Greenfield Big Data Analysis Platform Development in FSFirm: Well-known Financial Data fintech50 business, City of London, 10 man flat Dev TeamPay: 85k, Options, training budget, Pension, Life/Health, Some Work from HomeNO FINANCE EXPERIENCE NEEDEDCore Java Developer Big Data … FintechQuant Capital is urgently looking for a Java Developer to join our high profile client.Our client is a 20 man start up who have created a market leading machine learning data analysis product in the financial data market. Details of the full ideas of the company are protected ...

Java Software Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Salary
£ 60 K
looking for a Java Software Engineer to join a team delivering high-quality software on critical projects.You will work as part of an Agile/Scrum team and be involved throughout the software development lifecycle, including development, testing, debugging and deployment.Key responsibilities include:Developing and delivering high-quality Java applicationsWriting … Agile ceremonies and sprint activitiesContributing to digital transformation and wider engineering projectsWhat we’re looking forYou should have strong hands-on experience with:Java and associated technologiesSpring BootUnit testing, test automation and TDDDevOps tooling and CI/CDDebugging, profiling and performance tuningAgile software deliveryExperience with Docker or other container technologies ...

Java Software Engineer

Hiring Organisation
Sanderson Recruitment
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 60 K
looking for a Java Software Engineer to join a team delivering high-quality software on critical projects.You will work as part of an Agile/Scrum team and be involved throughout the software development lifecycle, including development, testing, debugging and deployment.Key responsibilities include:Developing and delivering high-quality Java applicationsWriting … Agile ceremonies and sprint activitiesContributing to digital transformation and wider engineering projectsWhat we’re looking forYou should have strong hands-on experience with:Java and associated technologiesSpring BootUnit testing, test automation and TDDDevOps tooling and CI/CDDebugging, profiling and performance tuningAgile software deliveryExperience with Docker or other container technologies ...

Sr. Developer - Application Development JAVA N 4B

Location
Greater London, England, United Kingdom
Sr. Developer - Application Development JAVA NReady to turn bold ideas into real-world impact At Genpact, we don’t just adapt to change, we lead it. AI and digital innovation are transforming the way businesses work, and we’re at the forefront of it. Genpact’s AI Gigafactory, our industry … value for the world’s leading enterprises.Get to know us at genpact.com and on LinkedIn, YouTube, X, and Facebook.Job Description -• Develop, test, and implement Java-based software applications; • Troubleshoot, debug, and upgrade existing Java systems; • Collaborate with technical and non-technical teams to deliver solutions; • Enhance application performance and optimize ...