1 to 25 of 1,335 Permanent Java Jobs

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate by giving our development team the ability to make & influence architectural decisions. So, if … you have strong Java coding skills, at a Senior level & would like to mentor a handful of more junior team members, then please get in touch! Title: Java Developer. Senior Java Developer. Software Engineer. Some combination of those words. Location: HQ is in Oxfordshire, but this role & the team can & do operate remotely if needed. You d need to be … open to some office visits in the Oxford area though. Salary: £60K Basic + Benefits package In the main we just need a strong Java coding software engineer, with Spring Boot framework & AWS, who is ok with mentoring a small team. But, to give you some idea of things you may bring, or use with us, see below: - Lead & mentor More ❯

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate by giving our development team the ability to make & influence architectural decisions. So, if … you have strong Java coding skills, at a “Senior” level & would like to mentor a handful of more junior team members, then please get in touch! Title: Java Developer. Senior Java Developer. Software Engineer. Some combination of those words. Location: HQ is in Oxfordshire, but this role & the team can & do operate remotely if needed. You’d need to be … open to some office visits in the Oxford area though. Salary: £60K Basic + Benefits package In the main we just need a strong Java coding software engineer, with Spring Boot framework & AWS, who is ok with mentoring a small team. But, to give you some idea of things you may bring, or use with us, see below: - Lead & mentor More ❯

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate by giving our development team the ability to make & influence architectural decisions. So, if … you have strong Java coding skills, at a “Senior” level & would like to mentor a handful of more junior team members, then please get in touch! Title: Java Developer. Senior Java Developer. Software Engineer. Some combination of those words. Location: HQ is in Oxfordshire, but this role & the team can & do operate remotely if needed. You'd need to be … open to some office visits in the Oxford area though. Salary: £60K Basic + Benefits package In the main we just need a strong Java coding software engineer, with Spring Boot framework & AWS, who is ok with mentoring a small team. But, to give you some idea of things you may bring, or use with us, see below: - Lead & mentor More ❯

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate by giving our development team the ability to make & influence architectural decisions. So, if … you have strong Java coding skills, at a “Senior” level & would like to mentor a handful of more junior team members, then please get in touch! Title: Java Developer. Senior Java Developer. Software Engineer. Some combination of those words. Location: HQ is in Oxfordshire, but this role & the team can & do operate remotely if needed. You’d need to be … the Oxford area though. So anywhere around the London or Home counties area is suitable. Salary: £60K Basic + Benefits package In the main we just need a strong Java coding software engineer, with Spring Boot framework & AWS, who is ok with mentoring a small team. But, to give you some idea of things you may bring, or use with More ❯

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate by giving our development team the ability to make & influence architectural decisions. So, if … you have strong Java coding skills, at a “Senior” level & would like to mentor a handful of more junior team members, then please get in touch! Title: Java Developer. Senior Java Developer. Software Engineer. Some combination of those words. Location: HQ is in Oxfordshire, but this role & the team can & do operate remotely if needed. You'd need to be … the Oxford area though. So anywhere around the London or Home counties area is suitable. Salary: £60K Basic + Benefits package In the main we just need a strong Java coding software engineer, with Spring Boot framework & AWS, who is ok with mentoring a small team. But, to give you some idea of things you may bring, or use with More ❯

Principal SW Engineer Systematic Trading Equities Portware Java Location: Battery Park City Hybrid: 4 days in office Compensation: 200k - 230k base + bonus PTO: Unlimited Benefits: Exceptional Overview New development implement automation strategies to improve trading workflows Build customizations and interfaces to Portware Primarily Equities (as well as Futures, FX, Options) Interface with Traders and Portfolio Managers; collaborate with Product … case design) Provide architectural input influence design aligning with future state Lead, mentor Collaborate with Enterprise Architecture, Infrastructure, and Security (ensuring security best practices are implemented) Tech Stack Fullstack Java Java Swing (for custom interfaces to EMS platform) SQL Server, Snowflake TDD and Unit Testing (Pytest, UnitTest) Portware EMS Cloud Native: AWS Implementing DevSecOps with APIs Agile Docker, Git, Bamboo … Log4j Skills & Qualifications Buyside trading workflow (Equities, Futures, Options, FX) Portware (or other EMS) 10+ years Fullstack Software Engineering 4+ years Architecture (microservices and other architectural concepts) Mastery of Java and Java frameworks Experience with Java Swing is a plus Cloud-native development expertise (ideally AWS) Skilled in troubleshooting and debugging performance issues Nice to haves: BS or MS in More ❯

Principal SW Engineer Systematic Trading Equities Portware Java Location: Battery Park City Hybrid: 4 days in office Compensation: 200k - 230k base + bonus PTO: Unlimited Benefits: Exceptional Overview New development implement automation strategies to improve trading workflows Build customizations and interfaces to Portware Primarily Equities (as well as Futures, FX, Options) Interface with Traders and Portfolio Managers; collaborate with Product … case design) Provide architectural input influence design aligning with future state Lead, mentor Collaborate with Enterprise Architecture, Infrastructure, and Security (ensuring security best practices are implemented) Tech Stack Fullstack Java Java Swing (for custom interfaces to EMS platform) SQL Server, Snowflake TDD and Unit Testing (Pytest, UnitTest) Portware EMS Cloud Native: AWS Implementing DevSecOps with APIs Agile Docker, Git, Bamboo … Log4j Skills & Qualifications Buyside trading workflow (Equities, Futures, Options, FX) Portware (or other EMS) 10+ years Fullstack Software Engineering 4+ years Architecture (microservices and other architectural concepts) Mastery of Java and Java frameworks Experience with Java Swing is a plus Cloud-native development expertise (ideally AWS) Skilled in troubleshooting and debugging performance issues Nice to haves: BS or MS in More ❯

the opportunity. What You Will Bring Full-stack engineer with experience in designing and developing robust, scalable, and maintainable applications applying Object Oriented Design principles Knowledge and experience of Java development using Java, Java 8+ (or later), and relevant Java frameworks such as Spring Boot, Spring MVC, and Hibernate. Experience designing and implementing message-driven systems for reliable, asynchronous processing … scripting, and performance tuning. Proficient in multithreading, concurrency and performance tuning Experience of the following technical areas Caching technologies e.g. Gemfire, Redis or others Middleware: Tibco, Solace or other Java and concurrency Openshift/Kubernetes experience is a plus but not required Experience with Agile software development processes with a strong emphasis on test driven development Strong knowledge of CI More ❯

Java Software Engineer – Core Java | Multi-Threading | High-Performance Systems Holborn, London (3 days per week onsite) £60-80k + bonus + benefits Oliver Bernard have partnered with a FinTech providing FX solutions with an exciting opportunity to join a skilled London team building fast, scalable, and reliable systems. An ideal environment to grow your technical depth and learn … from experienced engineers. What you’ll work on: Building and enhancing Core Java services Exposure to low-latency and multi-threaded system design Writing clean, maintainable, production-quality code Pairing with senior developers and contributing to architectural discussions Learning JVM performance tuning, concurrency patterns, and best practices What we’re looking for: Solid foundation in Core Java (Java 8+) Understanding More ❯

We are seeking a full-time contractor or employee for a Senior Java Full-Stack Developer role.Required Skills: Spring framework - Experience in Java Programming, Java Virtual Machine (JVM) Basics: Understanding how Java code executes, Spring Core, Build Tools: Maven or Gradle, Spring MVC, Spring Boot, Spring MVC (For Web Applications), Spring Data JPA (For Database Access), JPA (Java Persistence API … Spring Security (For Authentication and Authorization), Spring AOP (Aspect-Oriented Programming), Spring Cloud (For Microservices), Spring Integration (For Enterprise Integration Patterns), RESTful API Design Principles, Docker and Containerization Java - Proficiency in Java SE, including OOP principles, data structures, collections, and exception handling, is fundamental. Understanding Java 8+ features like Lambdas and Streams, along with JVM basics, will significantly enhance your … Spring development capabilities. JBoss EAP - JBoss EAP expertise requires understanding its architecture, configuration, and deployment processes for Java EE applications, along with skills in managing resources, security, and clustering. Familiarity with its administration console, CLI, and troubleshooting techniques is essential for effectively maintaining and optimizing JBoss EAP environments. HTML 5 - HTML5 skills encompass a strong understanding of semantic elements, form More ❯

Job Description: Seeking an experienced Java Developer to design, develop, and maintain scalable healthcare data exchange solutions and HL7 FHIR (Fast Healthcare Interoperability Resources) APIs. The ideal candidate will be a collaborative team member who contributes to a multidisciplinary engineering group focused on secure, high-performance interoperability for public health and clinical data exchange initiatives. Key Responsibilities Collaborate closely with … other developers, architects, QA engineers, and DevOps staff to deliver high- quality, maintainable software. Design, develop, and implement HL7 FHIR compliant REST APIs using Java and Spring Boot. Implement and manage FHIR resources, profiles, value sets, and code systems. Build and maintain data transformations between internal data models and FHIR resource structures. Design and implement data transformation pipelines to process … Collaborate on frontend development tasks where integration with FHIR APIs or data visualization is needed. Required Skills & Qualifications Minimum 5 years of professional software development experience. Strong proficiency in Java (Java 11 or higher). Hands-on experience with Spring Boot, Spring MVC, and JPA/Hibernate. Solid understanding of RESTful API design, JSON, and XML data exchange. Experience building More ❯

active Top Secret/SCI clearance (per contract). • Bachelor's in Computer Science, Software Engineering, or related field. • Proficiency in: Web: HTML, CSS, JSON, REST APIs Programming: Python, Java, or JavaScript (Go experience strongly preferred) Frameworks (one or more): React, Angular, Vue.js, Node.js, Spring Boot, Django, Flask, Svelte Cloud: AWS, Azure, or similar (experience with C2S/GovCloud highly More ❯

with business priorities. Knowledge of capital markets products is a plus. Experience working in the financial industries is a plus. Technical skills Core Software Engineering 8-10 years of Java experience, strong understanding of JVM internals. Experience with Spring stack and microservice development using Spring Boot. Experience designing and integrating secure REST APIs. Experience with RDBMS, fluency in SQL. Experience More ❯

5+ years of experience understanding of CI/CD tools (e.g., Gitlab, Jenkins) and practices, automation frameworks, and infrastructure as code (IaC). 7+ years' experience with C++, C#, Java, or Python 5+ years' experience with Agile Software Development Preferred Qualifications (Desired Skills/Experience): Bachelor, Master or Doctor of Science degree from an accredited course of study, in engineering More ❯

5+ years of experience understanding of CI/CD tools (e.g., Gitlab, Jenkins) and practices, automation frameworks, and infrastructure as code (IaC). 7+ years' experience with C++, C#, Java, or Python 5+ years' experience with Agile Software Development Preferred Qualifications (Desired Skills/Experience): Bachelor, Master or Doctor of Science degree from an accredited course of study, in engineering More ❯

5+ years of experience understanding of CI/CD tools (e.g., Gitlab, Jenkins) and practices, automation frameworks, and infrastructure as code (IaC). 7+ years’ experience with C++, C#, Java, or Python 5+ years’ experience with Agile Software Development Preferred Qualifications (Desired Skills/Experience): Bachelor, Master or Doctor of Science degree from an accredited course of study, in engineering More ❯

NOTE: Need local Candidate Interview will be onsite Typical task breakdown: - Competent to perform all programming, project management, and development assignments without close supervision - Works directly on complex application/technical problem identification and resolution, including responding to off-shift More ❯

to the completion of project milestones Driving continuous improvement within the team Providing technical direction and collaboration with peers Job Requirements: Experience working in Agile delivery teams Proficiency in Java development using Spring Boot Knowledge of JavaScript frameworks such as React, Angular, or Vue Experience with cloud services like AWS or Azure Experience in building enterprise-level web applications or More ❯

AWS Excellent communication skills, both verbal and written Preferred Qualifications: Familiarity with Kubernetes Familiarity with relational databases Knowledge of Continuous Integration and Continuous Delivery methodologies and tools Familiarity with Java, ReactJS, and Python experience is a plus Experience with scheduling and orchestration technologies (e.g., Temporal) Experience developing near-real-time data processing solutions using Kafka Experience with integrations in/ More ❯

stakeholders and leadership to ensure timely, high-quality deliverables. Required Qualifications • Bachelor’s degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline, or equivalent experience • Advanced proficiency in Java and Object-Oriented Design and Programming • Experience developing RESTful web services • Proficiency with event and messaging platforms (e.g., Apache Kafka, RabbitMQ, ActiveMQ, GraphQL, NATS, SSEs) • Experience with multiple database types More ❯

synthetic test data management. Strong hands-on expertise in testing and test automation tools and frameworks including Jira, BDD, Selenium, Cucumber, REST-assured, JMeter, Playwright. Strong programming experience in Java and Python. Deep understanding of DevOps, CI/CD pipelines (Jenkins, Harness, GitHub), cloud platforms (AWS, Azure) and containerized environments (Kubernetes, Docker). Experience with Kafka/event-driven testing More ❯

using ABAP OData services for seamless user experiences. - Provide technical expertise in S/4 HANA Data Modeling to support data-driven decision making. - Utilize programming languages such as Java, Node.js, JavaScript, Python, or ABAP on SAP BTP. - Demonstrate strong knowledge of SAP BTP services, including Cloud Foundry, Kyma, CAP, and SAP HANA Cloud. - Apply understanding of SAP Clean Core More ❯

development. Strong proficiency in front-end technologies such as JavaScript, HTML5, CSS3, and modern frameworks like React, Angular, or Vue.js. Extensive experience with back-end technologies such as Node.js, Java, Python, or .NET. Deep understanding of RESTful APIs, microservices architecture, and cloud platforms (AWS, Azure, or GCP Expertise in database design and management (SQL, NoSQL, or both Experience with version More ❯

support automated testing and deployment pipelines. Required Skills and Experience 12+ years of experience in API development and integration. Strong expertise in RESTful API development using languages such as Java, .NET, Python, or Node.js. Experience with API management platforms like Apigee, MuleSoft, AWS API Gateway, Kong, or Azure API Management. Solid understanding of JSON, XML, Web Services, and microservices architecture. More ❯

Technical Skills Strong expertise in e-commerce platforms such as Magento, Shopify Plus, SAP Commerce Cloud (Hybris), Salesforce Commerce Cloud, or similar enterprise platforms. Advanced proficiency in web technologies: Java, .NET, JavaScript, Node.js, React, Angular, or similar frameworks. Experience with API design and integrations, including REST, GraphQL, and third-party commerce services. Strong database knowledge, including MySQL, PostgreSQL, SQL Server More ❯