17 of 17 Permanent Java Jobs in South London

Senior Java Software Engineer - Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Payments - London A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech. This organisation specialises in providing high performance technology solutions to global financial … capabilities. As a Senior Engineer, you will join the core engineering team working on the development of their real-time payments processing platform, using a primary tech stack of Java 17, Spring Boot and Akka. You will contribute from both a design and coding perspective, taking ownership of delivering new components and features ensuring high availability, resiliency and scalability. As … with a heavy focus on Pair Programming and TDD, so are looking for people from similar environments. To be successful, you will demonstrate: A strong background in hands-on Java engineering, currently working with Java 11+ Indepth knowledge of microservices architecture and usage of Spring/Spring Boot Experience developing distributed, real-time applications (with Akka AND/OR Kafka More ❯

Java Developer £560p/d Croydon - Hybrid ASAP Start Until end of Year Must hold SC and NPPV3 or be eligible for both What you'll bring: Experience of Java. Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them. Excellent knowledge of development processes. Experience of containerization using Docker or Kubernetes. Experience of More ❯

and reliability. 7+ years’ experience overseeing enterprise-grade platform solutions Experience in a highly Agile continuous integration and continuous deployment environment, preferably within a financial domain. Strong experience in Java/J2EE, Spring Boot, Mule, web Services, Kafka, SQL & PL/SQL (Oracle) Strong knowledge of XML, JSON and its usage within API and Microservice implementations at scale. Significant expertise More ❯

and reliability. 7+ years’ experience overseeing enterprise-grade platform solutions Experience in a highly Agile continuous integration and continuous deployment environment, preferably within a financial domain. Strong experience in Java/J2EE, Spring Boot, Mule, web Services, Kafka, SQL & PL/SQL (Oracle) Strong knowledge of XML, JSON and its usage within API and Microservice implementations at scale. Significant expertise More ❯

Job Description: We are seeking a Platform Engineering Lead with deep expertise in on-premise platform engineering , Java-based technologies , and application performance optimization . You will lead the design, development, and stability of large-scale, business-critical systems for a global financial client. Key Responsibilities: Architect and lead enterprise-grade platform solutions with a focus on performance, scalability, and … and delivery standards Own performance tuning , troubleshooting, and system resilience initiatives Required Skills: 10+ years in platform/app engineering; 7+ years in solution/technical leadership Strong in Java, Spring Boot, MuleSoft, Kafka, Oracle (SQL/PLSQL) Hands-on experience with OpenShift/Kubernetes , and middleware platforms Proficient in APM tools like Splunk, Dynatrace, AppDynamics Exceptional communication skills – both More ❯

years of proven experience with Mongo Atlas and/or self-managed MongoDB clusters Minimum 4 years Mongo DBA experience MongoDB certified Strong written and verbal English Tech Stack Java, Angular, Ionic, Spring Boot, REST APIs and Mongo DB Linux, Git, SVN, Ansible & Maven CI/CD with Gitlab/Bamboo Agile-Scrum Compensation and Location: Competitive salary and package More ❯

years of proven experience with Mongo Atlas and/or self-managed MongoDB clusters Minimum 4 years Mongo DBA experience MongoDB certified Strong written and verbal English Tech Stack Java, Angular, Ionic, Spring Boot, REST APIs and Mongo DB Linux, Git, SVN, Ansible & Maven CI/CD with Gitlab/Bamboo Agile-Scrum Compensation and Location: Competitive salary and package More ❯

using 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 More ❯

using 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 More ❯

Bachelor’s or Master’s degree in computer science/engineering/Math/Physics, plus one or more of the following: − Proficiency in programming languages such as Python, Java, or Scala. − Strong experience with SQL and database technologies (incl. various Vector Stores and more traditional technologies e.g. MySQL, PostgreSQL, NoSQL databases). − Hands-on experience with data tools and More ❯

ML workflows and manage models in a cloud environment. Strong communication and stakeholder engagement skills. A relevant degree in Computer Science, Engineering, or a related field. Tech Environment Python Java AWS (incl. services for AI/ML) LLM APIs and orchestration tools Terraform, Docker SQL-based databases GitHub Actions and version control tools Perks & Benefits Competitive compensation 25 days annual More ❯

Senior Java Developer Up to £150k - Remote Working – 6+ years experience (PhD Required) Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer who has a PhD in Computer science and is passionate about new … advanced technologies, being able to create impactful solutions in a fast-paced, collaborative environment. Role Highlights Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real-time scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. … Key Requirements Compulsory: A PhD in Computer Science and the ability to demonstrate extensive knowledge in Software Development. 6+ years with extensive hands-on experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading, low-latency solutions, and data stream management. Strong knowledge of Advanced Computer Science Principles, Compiler Theory and Graph Theory More ❯

experience in development. Implementing load management strategies, including expertise in LoanIQ (Finastra). Utilizing VUGen 9.5 or greater for advanced test script development. Leveraging programming languages such as C, Java, SQL, Python, and scripting for performance optimization. Deploying monitoring and profiling tools (Dynatrace, CA Wily Introscope, AWR reports) to analyze and enhance system performance. Using Splunk for comprehensive load test … You need a solid understanding of: Performance architecture and development hands-on experience. Load management applications, particularly LoanIQ (Finastra). VUGen 9.5+ for advanced test scripting. Programming in C, Java, SQL, Python, and scripting languages. Monitoring tools such as Dynatrace, CA Wily Introscope, and AWR reports. Splunk for analyzing load tests. Web protocols and distributed load test environments. Desirable Skills … Ideally, you will be familiar with: Microservices, MQ, and API architectures. Real-time messaging and batch file transfer implementation. Java EE (J2EE), SQL, Unix/Linux, MQ, and WebSphere. Equal Opportunities Wipro is committed to creating an inclusive and diverse workplace. As a global employer, we continuously strive for cultural diversity, equality, and conscious inclusion in our workforce. We welcome More ❯

Work closely with business stakeholders to gather requirements and deliver end-to-end solutions. Experience: 3 years' experience as a Power Platform Developer. Strong coding background - experience with C# , Java , .NET , or JavaScript preferred. Strong experience across Power Platform tools : Power Apps (Canvas & Model Driven), Power Automate, Power BI. Salary They offer an excellent salary package More ❯

for tasks. Maintain a focus on customer needs and satisfaction, setting high standards for quality and quantity. Desired Skills and Experience: Dynamics 365 Accreditations Proficiency in C#, ASP.Net, Python, Java, JSON Experience with enterprise CRM systems Proven track record in delivering complex projects Strong customer engagement and management skills If the above opportunity is of interest, and you have the More ❯

be helping to build out Monzo’s customer engagement capabilities using Braze – working on customer journeys, event triggers, and SDK integrations, while also contributing to backend services in Go, Java, or Python. You’ll be part of a cross-functional team that’s collaborative, delivery-focused, and open to new ideas. This is a great fit for someone with a … shaping how Monzo communicates with its users. CRM Backend Engineer – Key Requirements: Strong hands-on experience with Braze (customer journeys, event triggers, SDKs, etc.) Backend engineering skills in Go, Java, or Python Experience integrating CRM platforms into backend systems and services Comfortable working in cross-functional teams with marketers, product managers, and engineers A good understanding of customer engagement principles More ❯

degree or equivalent experience in a relevant field. 10+ years in application and enterprise architecture roles. Proven experience designing SaaS-based systems and external-facing APIs. Proficiency in .NET, Java, or similar languages, with a broad technical skillset spanning frontend and backend development. Strong understanding of systems integration, middleware, caching, databases, and web performance optimisation. Experience within the payments space More ❯