1 to 25 of 40 Permanent Java Jobs in Central London

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 ...

Cleared) Location: London/Leeds, UK Contract type SC cleared Mandatory Technical Expertise (5 years proven experience as a minimum) Oracle PL/SQL Java Springboot Kafka Hibernate Gradle A high level of integrity, organization and self-motivation with a desire for self-improvement Proven track record on code delivery ...

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 ...

analytics Demonstrated success in launching and scaling technical products or platforms Strong programming skills in at least two of the following: Python, SQL, Java Commercial experience in client-facing projects is a plus, especially within multi-disciplinary teams Deep knowledge of database technologies: Distributed systems (e.g., Spark, Hadoop, EMR) RDBMS ...

Java Developer Contract: 6 months (Opportunity for long-term engagement) Rate: Competitive Location: London (50% office attendance required) Sector: Investment Banking Overview We are seeking a highly skilled Java Developer with strong JavaScript capabilities to join a leading investment bank in their Front Office Sales Tools team. The successful candidate … production systems Ensure high performance, scalability and robustness of applications Required Skills & Experience Minimum 4+ years’ software development experience (or equivalent) Strong server-side Java development expertise Experience building web-based applications and RESTful APIs Solid JavaScript/Front-End development experience , ideally with React Understanding of performance optimisation ...

/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 ...

Computer Science, AI, and Machine Learning. Native level English language skills - verbal and written Technologies Coding in Python/C#/Scala/Java/Go Data storage and manipulation tools such as SQL, Pandas/Polars, Snowflake, Vector DBs Generative AI libraries, frameworks and tools such as LangChain, Llamaindex ...

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 ...

/CD experience using Jenkins, Concourse or GitHub Actions Experience building API integrations between enterprise systems Strong scripting or software development skills in Python, Java/Groovy, JavaScript or Node.js Experience working with AWS services and cloud-based media platforms Desirable Experience with serverless architectures including AWS Lambda ...

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 ...

experience supporting production workloads in cloud environments, with strong networking fundamentals. Experience with at least one scripting or programming language such as Bash, Python, Java, C#, Rust, or similar. Strong knowledge of Linux systems, networking concepts, and performance optimization. Preferred Qualifications Experience with containerization technologies such as Docker and Kubernetes. ...

SaaS‐based architecture Role Details 💰 Up to £80,000 + Annual Bonus + Market‐Leading Benefits💻 Tech Stack: C# .NET | SQL | AWS | Oracle | Java | React Native | CI/CD📍 Fully Remote As a C# .NET Developer , you will: • Design, develop and improve C# .NET components and integrations across ...

tools as part of day-to-day engineering. Technology background The ideal candidate will have experience with some of the following: Scala - highly desirable. Java/Kotlin. Go or Rust. TypeScript. Cloud-native engineering. Relational databases, SQL, and data modelling. DevOps practices and production ownership. A background in functional programming ...

Java Developer - Remote UK - £400/day Outside IR35 | Java 17-21 | Spring Boot | Angular | Restful APIs | JSON | SQL | Object‐Oriented design | SaaS Platform We're looking for Senior Java Developers to join a client of mine to support the ongoing evolution of a large‐scale platform transformation. … influence the technical direction of a major SaaS transformation programme, modernising legacy capabilities while delivering new platform What You’ll Be Doing As a Java Developer on the project, you’ll work end‐to‐end on business‐critical applications, building scalable solutions with Java 17–21 and Spring Boot, alongside ...

server provisioning, and environment setup. Strong automation and configuration management experience using Chef, Habitat, and DevOps best practices. Expertise in deploying and supporting Java-based applications on Tomcat and creating new deployment pipelines. Experience with Artifactory, release management, and application deployments across multiple environments. Experience working within financial services, banking ...

Confluence Experience working in a data-centric organisation Desirable Skills React front-end development React. Native cross-platform mobile application development Android development (Java/Kotlin/Dagger2) Image Processing, ANPR (automated number plate recognition) and OCR library implementations Exposure to process modelling, for example in BPMN IoT relay control ...

data infrastructure Develop quantitative research platforms and tools Optimize performance-critical financial applications Requirements: 2+ years software engineering experience Strong C++/Python/Java skills Trading experience preferred but not essential Our network: Pay: $150K-$800K+ based on experience Locations: London, Remote Focus: Trading platforms, risk systems, data infrastructure ...

delivery ownership and problem-solving ability Excellent communication and stakeholder management skills Proficiency in SQL and programming languages such as Python or Java What’s Offered Competitive holiday allowance Private healthcare and wellbeing benefits Discounted fitness memberships Hybrid working with home office support Ongoing learning and development Pension, life insurance ...

leading university, with a degree in Computer Science, Engineering, or a related discipline. Excellent software engineering fundamentals and strong programming experience in C++, Java, Rust, or Python . Modern frontend development skills using TypeScript and/or JavaScript . A confident communicator who enjoys working directly with customers ...

maintain a highly automated Continuous Delivery pipeline. Your skills and experience ML and using GenAI to solve problems Good experience in Python, NodeJS, ReactJS, Java Agentic Framework experience is an added advantage Experience using LLMs, ML algorithms of NLP, random-forest or other algos Experience in design, implementation, or consulting ...

Principal Software Engineer/Developer (Java SpringBoot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer you will lead client projects … sites), you'll join a friendly, diverse, upbeat team. About you : You have experience within a financial services or Fintech environment You have strong Java development skills including multi-threading and concurrency You have experience with SpringBoot and microservices environments You have a good knowledge of REST APIs You have ...

Bachelors degree in engineering, computer science or another technical related subject. programming proficiency with at least one major programming or scripting language (e.g. C++, Java, Python) high level of communication skills and ability to work efficiently with colleagues across multiple areas Additional desirable Qualifications for Quantitative analyst Knowledge ...

Strong academic background from a leading university in Computer Science, Engineering, or a related discipline Excellent software engineering fundamentals with experience in C++, Java, Rust, or Python Modern frontend development skills using TypeScript and/or JavaScript Confident communicator who enjoys working directly with customers and translating technical concepts clearly ...