1 to 25 of 66 Permanent Java Jobs in Central London

Java Developer – Banking | Permanent | Salary: [£370] | Contract You must have the relevant Right to Work in the UK – no VISA sponsorship can be provided for this role. The Company We are working with a leading financial services organization who are investing heavily in their technology function. As part … ongoing digital transformation programme, they are looking to bring on board an experienced Java Developer to join their growing engineering team. The Role As a Java Developer, you will be responsible for designing, developing, and maintaining high-performance, scalable Java applications within a complex banking environment. You will work closely ...

Java Technical Lead Location: London (Hybrid - 2 days on-site) Salary: Up to £110k + Benefits The Role We're looking for a Java Tech Lead to join a high-performing tech consultancy delivering complex, business-critical systems for enterprise and scale-up clients. You'll take technical ownership … hands-on leadership role combining architecture, engineering excellence, and people leadership in a modern, agile consultancy environment. Responsibilities Lead the design and development of Java-based systems across multiple client projects Set technical direction, standards, and best practices Act as a hands-on technical leader, contributing high-quality code Mentor ...

Tier Investment bank requires an experienced hands-on Java developer and technical architect with deep expertise in real-time third-party payments, high-throughput zero-downtime systems, and highly available, global-scale internet-facing APIs. This role is central to scaling the TFX technology platform for major retail clients … maintaining software solutions that support business needs. What You'll Do In The Role Act as a senior individual contributor who combines hands-on Java development with architectural leadership, remaining close to implementation and setting the technical standard through design, code-level guidance, and practical problem solving. Design, build ...

practices and continuous improvement initiatives. Essential Skills & Experience Candidates must have a minimum of 5 years' hands-on experience with: Oracle PL/SQL Java Spring Boot Apache Kafka Hibernate Gradle In addition, candidates should demonstrate: Strong software engineering and problem-solving skills. Proven experience delivering and supporting production code. ...

onal full-stack develo pment experience with a strong backend focusProficiency in backend technologi es - Python (FastAPI, Django, or F lask) is preferred; Node.js, Java, or Go also consi deredStrong understandin g of RESTful APIs, database design, and data modelling (SQL and N oSQL)Experience with containerisation and orchestration (Docker ...

scripting. Ideally someone who has contributed to larger software projects or built maintainable platform/backend tooling in a language such as Python, Go, Java, TypeScript, or similar. Comfortable using modern AI-assisted engineering workflows, including agentic coding tools and LLM-based automation. Familiarity with concepts such as MCP servers ...

Java Developer – · Over 9-12+ years of experience in Java development, with a focus on microservices architecture. Responsibilities - · Lead the design, development, and deployment of microservices using Java and Spring Boot. · Develop and maintain scalable, high-performance microservices. · Integrate microservices with various databases, APIs, and third-party services. · Ensure … through unit testing, code reviews, and continuous integration. · Identify and resolve performance issues, bugs, and other technical challenges. · Create and maintain technical documentation for Java microservices architecture and design. Skill set · Java Proficiency: Proficiency and command of Java, including object-oriented programming, design patterns, and core APIs (collections, streams, concurrency ...

solution design workshops Tech Environment You'll work across a modern Google Cloud ecosystem including: Google Cloud Platform (GCP) Kubernetes/GKE Terraform Java and/or Python Cloud Run & Cloud Functions BigQuery, Cloud SQL & Spanner Vertex AI and AI-enabled services CI/CD pipelines and DevOps tooling What ...

with Terraform, alongside CI/CD and Automation work Background in Software Engineering, comfortable coding with an OO language (ideally Python, Go or Java) Previous experience working in Finance or Regulated environments This position can offer £650-750 p/day, inside IR35, for an initial 6 month contract ...

testing. Experience with automated testing tools, such as Tosca, UFT, Selenium, Appium, or similar technologies. Proficiency in programming languages, such as PL/SQL, Java, Python, or C#. Understanding of Wealth Management and Investment products and propositions. Desirable skills/knowledge/experience: Certification in software testing, such as ISTQB ...

Role: Backend Developer (Core Java) We are seeking an experienced Backend Developer with strong expertise in Core Java to build scalable, high-performance APIs and work effectively within large, complex codebases. The ideal candidate will have a solid foundation in system architecture and will collaborate closely with DevOps … continuously improve SDLC processes Support additional ad hoc technical tasks as required Technical Skills: 5+ years of experience in software engineering with strong Core Java expertise At least 2 years of experience working with SQL databases Strong experience in API development and automation Familiarity with cloud platforms such ...

complex, highly integrated systems in a regulated environ ment Requirem ents:10+ years’ experience in QA/Test Autom ationStrong hands-on experience with Java/JavaScript (Spring Boot environm ents)Expertise in automation tools (Selenium, RestAssured, etc.)Experience with BDD/TDD (Cucumber, JUnit, Te stNG)Proven background ...

Client: Largest American Credit Card Company Location: Burgess Hill 3 days/week Years of Exp: 6-9 years Skills: Go, Java, Git, REST, Jenkins, NoSQL, Postgres/ql £40-£50/hr Inside IR35 Visa sponsorship is not available. We're looking for an enthusiastic, diligent Golang Software Engineer ...

/or multi-cloud set up is essential. Demonstrable basic development or scripting experience in one or more of the following languages: Bash, Python, Java, C#, Rust, Excel VBA Solid Linux/network stack knowledge, as well as optimization/tuning Nice to haves Containerization (Docker/Kubernetes ...

team Key Requirements Strong commercial experience in Kotlin or JVM technologies for backend development Confidence working with Spring Boot or Kotlin or Java to build robust microservices A passion for creating API-first products Ability to write efficient, secure, well-documented, and clean code Familiar with Agile principles and best ...

skills in Python , Bash, or PowerShell Familiarity with observability tooling and SRE principles SQL and database knowledge (MySQL, Oracle, or similar) Experience supporting .NET, Java, or microservices applications It would be great if you had: ITIL v3/v4 certification or ServiceNow experience Knowledge of Swift payment flows or financial ...

Command-line/API experience is highly desirable as security automation is a strategic priority. • Some coding experience in something is always a plus - Java, HTML, JavaScript. You do not need to “be a developer” but you do need to understand the implications of security on engineering velocity. • Knowledge ...

Excellence: Proven experience leading and supporting software engineering teams to achieve business goals. Technical Breadth: Excellent knowledge of RESTful API development in modern languages (Java, Python, or .Net) and experience with Cloud environments (AWS or Azure). AI Awareness: You aren't necessarily a researcher, but you have expectations ...

their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role … offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput ...

background in data architecture and software engineering Experience across Azure, big data technologies, and modern data platforms Ability to work hands-on when needed (Java, Scala, Python) Expertise in data modelling, integration, and microservices architecture Strong stakeholder engagement and communication skills Why Apply? Work on high-profile, large-scale transformation ...

2+ years of experience in software development (professional or project-based) Strong coding skills in at least one language (e.g. JavaScript, Python, Go, Java) Familiarity with modern frameworks and version control (Git) Understanding of REST APIs and backend/frontend communication A growth mindset and willingness to learn Bonus: experience ...

platforms Knowledge of big data and distributed systems Experience with microservices architecture Ability to be hands-on when required using technologies such as Python, Java, or Scala Strong understanding of both structured and unstructured data design Experience leading teams and engaging with senior stakeholders Excellent communication skills, both written ...

Partner closely with Product to challenge and sharpen requirements before they hit the backlog What we're looking for Strong TypeScript/JavaScript and Java/Kotlin NestJS, React, PostgreSQL or MongoDB (Not all required) Hands-on with AWS, Docker, Terraform, and modern CI/CD A genuine, practical understanding ...

Push back on requirements, think about the customer, and understand the bigger picture Contribute to architecture decisions as the team and platform scale Stack: Java, GoLang, Python - React, TypeScript, Next.js - Terraform, GCP, GitHub Actions. AI? YES - They're shipping LLM-powered products 👉 Exact tech match less important than strong backend ...

Senior Java Developer Annual Salary: Competitive with performance-related bonus Location: City of London (Hybrid - 3 days a week onsite) Job Type: Full-Time, Permanent A new exciting opportunity has become available for an experienced Senior Java Developer to join a growing Technology department working specifically within Capital Markets … improvement of engineering standards. Collaborate with Client Services and Product Management to understand requirements and propose solutions. Manage and mentor a small team of Java developers, promoting a culture of quality, ownership, and continuous improvement. Required Skills & Qualifications: 7+ years' Java development experience in Financial Services. Strong understanding of capital ...