26 to 50 of 353 Java Developer Jobs in the South East

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 + 25-50% bonus … We are working with our long-term partners on the hunt for numerous Mid-level Java Developers as they continue to expand various teams. They began their journey as a market-leading FinTech disruptor and after many years at the forefront of their field, have recently been acquired by … someone with 3-5 years prior experience, with the potential to rapidly progress into a senior position. Experience they are looking for in Mid Java Developers: Core Java Developing software from scratch WITHOUT the use of frameworks e.g. Spring Multithreading TDD, CI/CD, Paired-programming environment Data More ❯

Principal Java Developer – Major Financial Institution London/Hybrid | Contract | £700-£800 inside IR35 (gross umbrella rate) We’re working with a major financial institution looking to scale out its engineering function with a Principal Java Developer to lead critical systems work. This is a hands … on Principal role requiring an experienced engineer with a finance background to come in and stabilise an existing platform. This Java-based stabilisation/rescue project is expected to last at least a year, but the successful candidate will then be involved in the replatforming project. The replatforming project … they’re looking for: Proven experience supporting large-scale, business-critical systems in the finance industry (all areas of finance considered) Strong background in Java and ideally C# Some front-end exposure in Angular - this is mandatory, but doesn't need to be recent or extensive Comfortable working with More ❯

Principal Java Developer – Major Financial Institution London/Hybrid | Contract | £700-£800 inside IR35 (gross umbrella rate) We’re working with a major financial institution looking to scale out its engineering function with a Principal Java Developer to lead critical systems work. This is a hands … on Principal role requiring an experienced engineer with a finance background to come in and stabilise an existing platform. This Java-based stabilisation/rescue project is expected to last at least a year, but the successful candidate will then be involved in the replatforming project. The replatforming project … they’re looking for: Proven experience supporting large-scale, business-critical systems in the finance industry (all areas of finance considered) Strong background in Java and ideally C# Some front-end exposure in Angular - this is mandatory, but doesn't need to be recent or extensive Comfortable working with More ❯

Principal Java Developer – Major Financial Institution London/Hybrid | Contract | £700-£800 inside IR35 (gross umbrella rate) We’re working with a major financial institution looking to scale out its engineering function with a Principal Java Developer to lead critical systems work. This is a hands … on Principal role requiring an experienced engineer with a finance background to come in and stabilise an existing platform. This Java-based stabilisation/rescue project is expected to last at least a year, but the successful candidate will then be involved in the replatforming project. The replatforming project … they’re looking for: Proven experience supporting large-scale, business-critical systems in the finance industry (all areas of finance considered) Strong background in Java and ideally C# Some front-end exposure in Angular - this is mandatory, but doesn't need to be recent or extensive Comfortable working with More ❯

Principal Java Developer – Major Financial Institution London/Hybrid | Contract | £700-£800 inside IR35 (gross umbrella rate) We’re working with a major financial institution looking to scale out its engineering function with a Principal Java Developer to lead critical systems work. This is a hands … design, and steering collaborative technical decisions across squads. What they’re looking for: Proven experience supporting large-scale, business-critical systems Strong background in Java and ideally C# Some front end exposure (Angular ideally but other frameworks considered). Note the role is back end focused. Comfortable working with … implementation Bonus points for: Angular, React or frontend exposure Familiarity with Snowflake or backend SQL variants This is a great opportunity for an experienced Java Developer to join a prestigious financial player. If you’re someone who thrives in complex environments and enjoys technical leadership alongside delivery, apply More ❯

Have you got experience leading a team while remaining hands-on and technically involved? Lead Java Developer – FX Trading Salary : up to £130k + bonus (25-50%) Location : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor … FinTech that has been acquired by a leading capital market. They are looking for an experienced Java Developer who will fulfil a hands-on Lead role leading the next generation of Java Developers. They are looking for the following experience in Lead Java Developers: Core Java … looking for a step up in your career to take on additional responsibilities while remaining technically hands-on? Apply now for this excellent Lead Java Developer opportunity! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in More ❯

Have you got experience leading a team while remaining hands-on and technically involved? Lead Java Developer – FX Trading Salary : up to £130k + bonus (25-50%) Location : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor … FinTech that has been acquired by a leading capital market. They are looking for an experienced Java Developer who will fulfil a hands-on Lead role leading the next generation of Java Developers. They are looking for the following experience in Lead Java Developers: Core Java … looking for a step up in your career to take on additional responsibilities while remaining technically hands-on? Apply now for this excellent Lead Java Developer opportunity! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in More ❯

Social network you want to login/join with: Lead Java Developer, crawley, west sussex col-narrow-left Client: James Adams Location: crawley, west sussex, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide … Job Description: Lead Java Developer – Gaming | Hybrid (London – 3 days on-site) | Up to £95,000 per annum basic salary + Bonus & Benefits James Adams Recruitment has partnered with a fast-growing company at the forefront of the online gaming industry. Our client is an innovator in the … iGaming space, delivering cutting-edge online gaming to a global audience. They are looking for a Lead Java Developer t o play a pivotal role in shaping the architecture and development of their real-time gaming platform. The Role This is a hands-on leadership role (90% coding More ❯

Position: Lead Java Developer Employment Type: Contract, Full time Start: ASAP Location: London– Hybrid 3 days a week Languages: English Role – We are seeking a Lead Java Developer with a strong background in AWS cloud technologies to join our high-performing development team. In this leadership … role, you will drive the design and implementation of scalable web applications, leveraging modern Java frameworks and AWS Serverless services. You'll guide development efforts from conception through production, playing a pivotal role in shaping architecture, mentoring developers, and ensuring project delivery excellence. Key skills: 10 years of professional … experience in software development. Proven expertise in Java (Java 11+) and Spring-based microservice architectures. Hands-on experience with AWS cloud ecosystem, including key services such as Lambda, DynamoDB, ECS Fargate, CloudFormation, Kinesis, IAM, SQS, SNS, S3, API Gateway, and related tools. Strong command of containerization using Docker. More ❯

Position: Lead Java Developer Employment Type: Contract, Full time Start: ASAP Location: London– Hybrid 3 days a week Languages: English Role – We are seeking a Lead Java Developer with a strong background in AWS cloud technologies to join our high-performing development team. In this leadership … role, you will drive the design and implementation of scalable web applications, leveraging modern Java frameworks and AWS Serverless services. You'll guide development efforts from conception through production, playing a pivotal role in shaping architecture, mentoring developers, and ensuring project delivery excellence. Key skills: 10 years of professional … experience in software development. Proven expertise in Java (Java 11+) and Spring-based microservice architectures. Hands-on experience with AWS cloud ecosystem, including key services such as Lambda, DynamoDB, ECS Fargate, CloudFormation, Kinesis, IAM, SQS, SNS, S3, API Gateway, and related tools. Strong command of containerization using Docker. More ❯

Position: Lead Java Developer Employment Type: Contract, Full time Start: ASAP Location: London– Hybrid 3 days a week Languages: English Role – We are seeking a Lead Java Developer with a strong background in AWS cloud technologies to join our high-performing development team. In this leadership … role, you will drive the design and implementation of scalable web applications, leveraging modern Java frameworks and AWS Serverless services. You'll guide development efforts from conception through production, playing a pivotal role in shaping architecture, mentoring developers, and ensuring project delivery excellence. Key skills: 10 years of professional … experience in software development. Proven expertise in Java (Java 11+) and Spring-based microservice architectures. Hands-on experience with AWS cloud ecosystem, including key services such as Lambda, DynamoDB, ECS Fargate, CloudFormation, Kinesis, IAM, SQS, SNS, S3, API Gateway, and related tools. Strong command of containerization using Docker. More ❯

Social network you want to login/join with: Contract Application Developer (Java, Typescript & Endur), slough col-narrow-left Client: X4 Technology Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job … Description: Role: Application Developer Industry: Energy trading Day Rate: £500-600/d inside IR35 Location: London (hybrid) Contract: 6 months (strong extension potential) X4 Technology are partnered with a global energy trading company looking for a skilled Application Developer to join their team on a contract basis. … environment, contributing to the development and integration of solutions that support renewable energy trading, financial analytics, and risk management. Responsibilities of the Contract Application Developer (Java, Typescript, Endur) Develop, enhance and maintain applications using Java and TypeScript . Customise and support Endur (Openlink), including JVS and AVS More ❯

Java Developer with SQL, Oxford District Client: Xoriant Location: Oxford District, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Java Developer with Very Strong SQL Location: Glasgow, UK Work Arrangement: Hybrid (2-3 days … a week) Contract Duration: 6+ Months Inside IR35 The Role Join a multi-year Disclosure of Interest (DOI) program as an experienced Java developer, based out of Glasgow. Participate in transforming the firm's reporting and management of equity holdings as part of a global renovation program. Work … regulatory reporting obligations. Communicate effectively with various systems involved in the DOI program across different regions. What You'll Need to Succeed Proficiency in Java and related technologies. Experience with frameworks such as Spring, Angular, Spark. Experience developing web services, especially REST APIs. Knowledge of testing methodologies including unit More ❯

Java Developer (Outside IR35 Contract), Southampton Client: Bonhill Partners Location: Southampton, United Kingdom Job Category: Other Work Permit Required: Yes Job Views: 4 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Java Developer (Contract) – Fintech Scale-Up | Outside IR35 Location: London (Hybrid – 3 days in office) Duration … people and institutions make the most of their money by simplifying access to high-performing savings products. The Role We’re looking for a Java Developer to join their growing platform team on a 6-month Outside IR35 contract . This is a backend-focused role where you … environment, helping them scale to meet growing demand from financial institutions and end-users alike. Key Responsibilities Develop and maintain scalable backend services using Java Architect and implement service-oriented and event-driven systems Optimise and manage PostgreSQL databases Contribute to light React frontend work when needed Build and More ❯

Social network you want to login/join with: Java Developer with SQL, Portsmouth, Hampshire Client: Xoriant Location: Portsmouth, Hampshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Java Developer with Very Strong SQL … Location: Glasgow, UK Hybrid (2-3 days a week) Contract (6+ Months) Inside IR35 The Role Our team is looking for an experienced Java developer for their multi-year Disclosure of Interest (DOI) program. This is a hands-on technical role based out of Glasgow. Joining the Global … wide businesses; effective communication skills are essential for coordinating with different systems involved in DOI. What You'll Need to Succeed Proficient experience in Java and related technologies Experience with Java frameworks and technologies, particularly Spring, Framework, Angular, Spark Experience with web services, particularly REST Familiarity with testing More ❯

Social network you want to login/join with: Java Developer with SQL, Crawley, West Sussex Client: Xoriant Location: Crawley, West Sussex, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Java Developer with Very … SQL Location: Glasgow, UK Hybrid (2-3 days a week) Contract (6+ Months) Inside IR35 The Role Our team is looking for an experienced Java developer for their multi-year Disclosure of Interest (DOI) program. This is a hands-on technical role based out of Glasgow. Joining the … to have effective communication skills to handle discussions with different systems that DOI interacts with. What You'll Need to Succeed Proficient experience in Java and related technologies Experience in using common Java frameworks and technologies, particularly Spring, Framework, Angular, Spark Experience with web services, particularly REST Familiarity More ❯

Social network you want to login/join with: Java Developer (Outside IR35 Contract), Maidstone Client: Bonhill Partners Location: Maidstone, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Java Developer (Contract) – Fintech Scale-Up … people and institutions make the most of their money by simplifying access to high-performing savings products. The Role We’re looking for a Java Developer to join their growing platform team on a 6-month Outside IR35 contract . This is a backend-focused role where you … environment, helping them scale to meet growing demand from financial institutions and end-users alike. Key Responsibilities Develop and maintain scalable backend services using Java Architect and implement service-oriented and event-driven systems Optimise and manage PostgreSQL databases Contribute to light React frontend work when needed Build and More ❯

Social network you want to login/join with: Java Developer (Outside IR35 Contract), Slough Client: Bonhill Partners Location: Slough, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Java Developer (Contract) – Fintech Scale-Up … people and institutions make the most of their money by simplifying access to high-performing savings products. The Role We’re looking for a Java Developer to join their growing platform team on a 6-month Outside IR35 contract . This is a backend-focused role where you … environment, helping them scale to meet growing demand from financial institutions and end-users alike. Key Responsibilities Develop and maintain scalable backend services using Java Architect and implement service-oriented and event-driven systems Optimise and manage PostgreSQL databases Contribute to light React frontend work when needed Build and More ❯

Social network you want to login/join with: Java Developer (Outside IR35 Contract), Woking Client: Bonhill Partners Location: Woking, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Java Developer (Contract) – Fintech Scale-Up … people and institutions make the most of their money by simplifying access to high-performing savings products. The Role We’re looking for a Java Developer to join their growing platform team on a 6-month Outside IR35 contract . This is a backend-focused role where you … environment, helping them scale to meet growing demand from financial institutions and end-users alike. Key Responsibilities Develop and maintain scalable backend services using Java Architect and implement service-oriented and event-driven systems Optimise and manage PostgreSQL databases Contribute to light React frontend work when needed Build and More ❯

Social network you want to login/join with: Java Developer (Outside IR35 Contract), High Wycombe Client: Bonhill Partners Location: High Wycombe, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Java Developer (Contract) – Fintech … people and institutions make the most of their money by simplifying access to high-performing savings products. The Role We’re looking for a Java Developer to join their growing platform team on a 6-month Outside IR35 contract . This is a backend-focused role where you … environment, helping them scale to meet growing demand from financial institutions and end-users alike. Key Responsibilities Develop and maintain scalable backend services using Java Architect and implement service-oriented and event-driven systems Optimise and manage PostgreSQL databases Contribute to light React frontend work when needed Build and More ❯

Social network you want to login/join with: Java Developer (Outside IR35 Contract), Crawley, West Sussex Client: Bonhill Partners Location: Crawley, West Sussex, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Java Developer … people and institutions make the most of their money by simplifying access to high-performing savings products. The Role We’re looking for a Java Developer to join their growing platform team on a 6-month Outside IR35 contract . This is a backend-focused role where you … environment, helping them scale to meet growing demand from financial institutions and end-users alike. Key Responsibilities Develop and maintain scalable backend services using Java Architect and implement service-oriented and event-driven systems Optimise and manage PostgreSQL databases Contribute to light React frontend work when needed Build and More ❯

Social network you want to login/join with: Senior Java Developer, crawley, west sussex col-narrow-left Client: Location: crawley, west sussex, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description … Location: Primarily Remote (with meet ups twice a month) Salary: £80,000 - £90,000 (Flexible based on experience) Are you an experienced Java developer looking for a new challenge? Do you thrive in an environment where you can take ownership of key areas and solve complex problems independently … Then this may be for you: Mostyn Chase are conducting an exclusive search for a well-established fintech in the payments space for Senior Java Developers to join this growing and dynamic team. The roles are designed to bring in developers who can work independently, solve complex problems, and More ❯

Java Developer Leatherhead - 3 days per week UK based FinTech company in Leatherhead are recruiting for a Java Developer to join their team. This role will help develop, test and maintain existing products and help modernise legacy systems into a newer microservices architecture. You'll work … alongside experienced developers and internal stakeholders to deliver high-quality software that meets business objectives. Key responsibilities will include: Develop and maintain Java-based applications, APIs, and backend services. Collaborate with cross-functional teams to analyse requirements and deliver features. Participate in code reviews and contribute to continuous code … resolve software defects and production issues. Write clean, maintainable, and well-documented code. Optimise application performance and scalability. Stay up-to-date with emerging Java technologies and best practices. The successful candidate will have a minimum of 5 years' hands on experience in Java 8+ development. You will More ❯

Java Developer Leatherhead - 3 days per week UK based FinTech company in Leatherhead are recruiting for a Java Developer to join their team. This role will help develop, test and maintain existing products and help modernise legacy systems into a newer microservices architecture. You'll work … alongside experienced developers and internal stakeholders to deliver high-quality software that meets business objectives. Key responsibilities will include: Develop and maintain Java-based applications, APIs, and backend services. Collaborate with cross-functional teams to analyse requirements and deliver features. Participate in code reviews and contribute to continuous code … resolve software defects and production issues. Write clean, maintainable, and well-documented code. Optimise application performance and scalability. Stay up-to-date with emerging Java technologies and best practices. The successful candidate will have a minimum of 5 years' hands on experience in Java 8+ development. You will More ❯

Java Developer – Farnborough/Hybrid - up to £70,000 We are partnered with an exciting finance business who are looking to bring in a skilled Java Developer to join our team in Farnborough. In this role, you'll analyse, design, and develop solutions for our application … technology communities within the company. Minimum Qualifications: Bachelor’s in Computer Science, Information Technology, or related field. Proficiency in software engineering with experience in Java or other major programming languages. Preferred Qualifications: Experience with Spring Boot, Spark (Big Data), and Message Bus Architecture. Familiarity with containerisation (e.g., Kubernetes), AWS More ❯