Senior Java Engineer – Kafka & Spring Boot About the Client We’re working with an innovative team building the next generation of secure, real-time communication and data platforms. Their flagship product is a fresh reimagining of an existing system, crafted to provide robust, distributed coordination for a wide range of uses – from emergency response and humanitarian logistics to private … occasionally required for team meetups or workshops – always with advance notice. The Role We’re looking for a Senior Java Engineer who thrives in the world of Kafka and Spring Boot. You’ll play a key role in crafting a secure, distributed backend system designed for real-time operations and maximum resilience. You’ll team up with infrastructure, AI … frontend specialists to create reliable backend services that keep people and teams connected when it matters most. Your Day-to-Day Architect and build event-driven microservices using Java, Spring Boot, and Kafka Be responsible for the backend engineering for secure, distributed real-time systems Design and deliver rock-solid APIs in collaboration with frontend and AI colleagues Seamlessly More ❯
Senior Java Engineer – Kafka & Spring Boot About the Client We’re working with an innovative team building the next generation of secure, real-time communication and data platforms. Their flagship product is a fresh reimagining of an existing system, crafted to provide robust, distributed coordination for a wide range of uses – from emergency response and humanitarian logistics to private … occasionally required for team meetups or workshops – always with advance notice. The Role We’re looking for a Senior Java Engineer who thrives in the world of Kafka and Spring Boot. You’ll play a key role in crafting a secure, distributed backend system designed for real-time operations and maximum resilience. You’ll team up with infrastructure, AI … frontend specialists to create reliable backend services that keep people and teams connected when it matters most. Your Day-to-Day 🛠️ Architect and build event-driven microservices using Java, Spring Boot, and Kafka Be responsible for the backend engineering for secure, distributed real-time systems Design and deliver rock-solid APIs in collaboration with frontend and AI colleagues Seamlessly More ❯
Senior Java Engineer – Kafka & Spring Boot About the Client We’re working with an innovative team building the next generation of secure, real-time communication and data platforms. Their flagship product is a fresh reimagining of an existing system, crafted to provide robust, distributed coordination for a wide range of uses – from emergency response and humanitarian logistics to private … occasionally required for team meetups or workshops – always with advance notice. The Role We’re looking for a Senior Java Engineer who thrives in the world of Kafka and Spring Boot. You’ll play a key role in crafting a secure, distributed backend system designed for real-time operations and maximum resilience. You’ll team up with infrastructure, AI … frontend specialists to create reliable backend services that keep people and teams connected when it matters most. Your Day-to-Day 🛠️ Architect and build event-driven microservices using Java, Spring Boot, and Kafka Be responsible for the backend engineering for secure, distributed real-time systems Design and deliver rock-solid APIs in collaboration with frontend and AI colleagues Seamlessly More ❯
java developer only w2 need 10+ years Java, angular or react, hibernate and spring, springboot j2ee need 8+ years of experience Design, optimize and implement new features and functionality with Core Java, Springframework & Spring Boot. Work on MySQL queries for database operations. Analyze specifications and business needs to determine appropriate technologies and configurations to meet those More ❯
Java Developer Amsterdam (Hybrid) - Java17 & Spring Boot (docker/k8s) up to €75K Are you looking to work in a forward-thinking consultancy where you'll shape technical direction while building your expertise? You'll drive client projects using Java24 and Spring Boot, mentor peers, and contribute to a culture focused on learning and innovation in a dynamic … ownership, think critically, and grow into a consultative role while maintaining hands-on technical work. You have experience with modern Java versions (Java 17/21/24) and Spring Boot framework with solid understanding of software architecture principles and excellent communication skills with a proactive, curious mindset. Furthermore: 4-5 years of professional Java development experience Strong experience … with Java and Spring Boot framework Experience with modern Java versions (Java 17/21/24) Strong backend development experience Experience with Docker & k8s Comfortable leading technical discussions Benefits: Salary up to €75K gross annually 25 paid holidays Educational budget 3000,- per year Profit-sharing regulation bonus Dutch language courses Laptop of your own choice Transportation costs covered More ❯
Oxford, Oxfordshire, United Kingdom Hybrid / WFH Options
DiffBlue Ltd
value to customers in a fast-paced rapidly changing environment. As a Senior Java Developer, you will be expected to readily empathise with customers using environments such as the SpringFramework as well as understanding the internals of how these systems are put together. You will also have a passion for testing and best-practice software delivery as testing … in Oxford. Key Responsibilities Design and build Core Java software in an Agile environment Provide architectural guidance and review on Java development techniques such as the use of the SpringFramework, classloading, bytecode analysis and manipulation, smart mocking, isolation and algorithmic development Pro-actively contribute to the team's objectives of delivering incremental value every sprint and partner with … looking for people who have: Studied a computer science related subject at an undergraduate degree level or higher Fluency in the Java language and runtime library Fluency in the SpringFramework and the core concepts of Spring testing Proven experience in contributing to large private and/or open-source projects Proficient knowledge of Git or other SCMs More ❯
Must have excellent Liferay and Java skills, Spring MVC, Apache CKF, Dozer (a fast and flexible framework for mapping back and forth between Java Beans) & XML: A minimum of 5 years’ work experience in Software Development Experience with implementing service-oriented architecture (SOA) Designs and develops Enterprise application integration (EAI) using any ESB products like Fuse, Camel, TIBCO, IBM … in architecting and developing J2EE based web applications (JSP, Servlet, JDBC, JMS, JAXB) Expert level experience with SOAP and REST web services , open API development, and SOA concepts, using Spring with groovy, XML, JSON, and XSLT Solid understanding of integration & design patterns Gain adoption of platform delivery processes, standards and procedures Provide hands-on technical leadership throughout software development More ❯
modern and widely use technologies and we are looking for motivated people to join our team of interdisciplinary developers. What we currently use We build backend services with Java, Spring Boot, Web Services and Mongo DB We integrate with existing core Java Cargo applications via REST APIs We build frontends with Angular and Ionic framework for mobile apps We … person and oriented to listen the problems team might have and offer guidance and help when the team needs Understanding in the following framework or technology is a plus: Spring Boot, REST API, Angular Excellent analytical and problem-solving skills Strong interpersonal skills Good command of English language is a must What you can expect from us Working environment More ❯
modern and widely use technologies and we are looking for motivated people to join our team of interdisciplinary developers. What we currently use We build backend services with Java, Spring Boot, Web Services and Mongo DB We integrate with existing core Java Cargo applications via REST APIs We build frontends with Angular and Ionic framework for mobile apps We … person and oriented to listen the problems team might have and offer guidance and help when the team needs Understanding in the following framework or technology is a plus: Spring Boot, REST API, Angular Excellent analytical and problem-solving skills Strong interpersonal skills Good command of English language is a must What you can expect from us Working environment More ❯
is a plus. Familiarity with RESTful APIs, web services, and database technologies. Strong problem-solving skills and attention to detail. Excellent communication and teamwork abilities. Preferred Qualifications: Experience with SpringFramework and related technologies. Knowledge of financial instruments and risk management concepts. Familiarity with Agile development methodologies. Java Developer More ❯
is a plus. Familiarity with RESTful APIs, web services, and database technologies. Strong problem-solving skills and attention to detail. Excellent communication and teamwork abilities. Preferred Qualifications: Experience with SpringFramework and related technologies. Knowledge of financial instruments and risk management concepts. Familiarity with Agile development methodologies. Java Developer More ❯
practical experience using utility-first frameworks like Tailwind CSS to build clean, responsive user interfaces. Solid experience with Java programming - in enterprise-level back-end development environments. Proficiency with Spring Boot - for building robust and efficient Java-based microservices and REST APIs. Familiarity with Spring Doc (OpenAPI/Swagger) - for generating clear and consumable API documentation. Experience with More ❯
Blueprints for real-world use cases. Support strategic customer engagements, helping define best practices for usage, deployment topologies, and performance optimization. Forge strong relationships with key application framework vendors: Spring , Quarkus , Micronaut , Vert.x . Platform Expertise & Technical Authority Build and maintain deep expertise in all subsystems of the Hazelcast platform. Establish yourself as an industry-recognized expert in Distributed … with Cloud-native architectures , Kubernetes , and Serverless platforms. Excellent communication and public speaking skills, with experience representing companies or products at industry events. Deep familiarity with modern application frameworks (Spring, Quarkus, etc.). Experience working with product, engineering, and field teams in shaping and delivering product capabilities. Proven ability to operate at both strategic and hands-on levels. Prior More ❯
work on the ongoing development of cloud infrastructure and supporting technologies. You will help the other teams get the best out of their microservices, which are built using Java, SpringFramework and Docker, among other things. You will be given a lot of responsibility and freedom to organise this together with your team. With your expertise, you make a More ❯
work on the ongoing development of cloud infrastructure and supporting technologies. You will help the other teams get the best out of their microservices, which are built using Java, SpringFramework and Docker, among other things. You will be given a lot of responsibility and freedom to organise this together with your team. With your expertise, you make a More ❯
programming Develop enterprise-quality, horizontally scalable code using best practices, quickly and according to specifications Requirements Minimum 5 years experience as a self-motivated engineer with using Kafka, Java, Spring/Quarkus and related technologies Very good analytical skills Extensive experience with Microservices, Event-Sourcing, open-source data solutions and cloud native applications Subject matter expertise in infrastructure/ More ❯
Java Developer Key Responsibilities: Java Java 17 Spring Springboot Azure Microservices API Experience: Java Java 17 Spring Springboot Azure Microservices API Distributed Applications Architecture Software Architecture Code Reviews My client is an international HR and Payroll organisation searching for a Java Developer to work on a number of Greenfield projects. You will deliver, integrate, and align between teams. More ❯
Java Developer - Event-Driven, Spring Cloud Hybrid - Madrid (1 Day Onsite/Week) Location: Madrid, Spain (Hybrid: 2 days onsite per week) Type: Full-Time Contract We're hiring a Java Developer to join an agile engineering team building robust, scalable, and event-driven applications using Java + Spring Cloud . This is an opportunity to work with … mob programming Contribute to observability, performance, scalability, and resiliency improvements Participate in Agile ceremonies, 3 Amigos sessions, and roadmap planning Contribute to infrastructure automation using Terraform Tech Stack: Java • Spring • REST • GraphQL • JUnit • Terraform • Dynatrace Testing (E2E, Unit, Integration) • TDD • Infrastructure as Code Hybrid Work - 2 days onsite weekly in Madrid Apply Now or Send Your CV to More ❯
Bash and Teraform -Demonstrated experience troubleshooting complex issues and managing and deploying applications in the cloud -Demonstrated experience with REST Web services and SOAP Web services -Demonstrated experience with Spring, Spring Security and Hibernate frameworks -Demonstrated experience with AWS CloudFormation Templates, Load Balancer, Autoscaling, Security Groups, S3 and KMS -Demonstrated experience automating configuration and provisioning of cloud resources More ❯
CRM systems. Analysing IT requirements and giving independent and objective advice on the use of IT. Coding individual programs according to specifications. System/Software Development with Java/Spring framework. Examines existing software and determines requirements for new/modified systems in the light of business needs. Software Development and Maintenance using Agile/SCRUM processes. Unit Testing … Implementation and evaluation of the software. Testing and correction of software programs. Knowledge of multi-threaded development is preferred. Knowledge of information systems development or design. Building applications using Spring framework. Understanding of secure coding practices and testing. Strong programming skills in C++, JAVA, ASP.NET, C, C++, Embedded Systems, Spring Hibernate, Spring MVC, Eclipse IDE, Unix, Linux More ❯
Required (can consider candidates at any level, no mgrs.) o Java 8 or higher o Linux o Building apps in a cloud environment o Docker/Kubernetes, etc. o Spring/Hibernate/JPA frameworks More ❯
you'll become part of a passionate product and engineering team working on smart, scalable systems that support a seamless charging experience. You'll work with technologies like Kotlin, Spring Boot, Kafka, Elasticsearch, Kubernetes and AWS, contributing to the design and development of reliable backend services. From ideation to deployment, you'll be involved in shaping new features, improving … will have a real impact on the daily lives of thousands of users across Europe. Requirements: 5+ years of backend development experience (Kotlin and/or Java) Experience with Spring Boot and microservices architecture Familiarity with relational databases Knowledge of Kafka and Elasticsearch is a plus Strong communication skills and collaborative mindset Fluent in English and comfortable in cross More ❯
Key Responsibilities: Design and lead the development of enterprise-scale solutions using Spring Boot Java, Node.js, AWS, event-driven and Microservices Architecture Engage with public sector clients to translate business challenges into secure, reliable and scalable architectural solutions Work collaboratively with cross-functional teams including Delivery Leads, Business Analysts, Developers, Testers and DevOps engineers Respond to RFI, RFP and … designing and documenting architecture Drive innovation and contribute to organisation-wide initiatives and capability building Required Experience & Skills: 16+ years’ experience as an solution architecture Proven technical leadership in Spring Boot, Node.js, REST APIs and AWS (including Lambda, S3, RDS, EventBridge, ECS Fargate, Secret Manager, API Gateway etc). Experience designing event-driven, microservices-based architectures and working with More ❯
Key Responsibilities Lead and mentor cross-functional application development teams, fostering a culture of excellence and collaboration. Drive the design and implementation of scalable microservice architectures using Java and Spring Boot. Guide teams through cloud-native application development and deployment, primarily on AWS. Design and model data structures, optimize databases, and address performance bottlenecks. Utilize middleware and open-source … support and monitoring tools. Proven experience leading application development teams and delivering complex projects. Demonstrated ability to mentor, coach, and motivate high-performing engineering teams. Strong expertise in Java, Spring Boot, and microservice architecture. Deep understanding of cloud environments, particularly AWS. Experience in database design, data modeling, performance tuning, and optimization. Familiarity with middleware technologies and open-source ecosystems. More ❯
Key Responsibilities Lead and mentor cross-functional application development teams, fostering a culture of excellence and collaboration. Drive the design and implementation of scalable microservice architectures using Java and Spring Boot. Guide teams through cloud-native application development and deployment, primarily on AWS. Design and model data structures, optimize databases, and address performance bottlenecks. Utilize middleware and open-source … support and monitoring tools. Proven experience leading application development teams and delivering complex projects. Demonstrated ability to mentor, coach, and motivate high-performing engineering teams. Strong expertise in Java, Spring Boot, and microservice architecture. Deep understanding of cloud environments, particularly AWS. Experience in database design, data modeling, performance tuning, and optimization. Familiarity with middleware technologies and open-source ecosystems. More ❯