1 to 25 of 67 Permanent Java Jobs in Central London

policies and participate in audits and vulnerability remediation. Maintain accurate documentation, including topology diagrams, runbooks, and configuration baselines. Support proprietary messaging APIs using C++, Java, Python, and C# programming languages. Provide support for proprietary cache and gateways that integrate applications with the messaging service. Required Skills & Qualifications: 3+ years ...

with other data platforms or applications. Knowledge of software development best practices, including version control, testing, and deployment. Proficiency in relevant programming languages (eg, Java, Python, or JavaScript). Excellent problem-solving skills and attention to detail. Strong communication skills and ability to work collaboratively in a team. Preferred Qualifications ...

Senior Java Developer | Java | Microservices | Vue.js | Up to £120k + Bonus This is the kind of role where strong Java engineers actually get to build things rather than just keep the lights on. The payments/fintech space in the UK has been exploding, and this team is right … work behind the scenes. What's going on? They’re a 150‐strong engineering function and they’re growing again. They need x2 Senior Java developers to help build and shape the core platform that processes over a million transactions a month. It’s complex engineering, working on the kind ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering, full-stack development, and business … MUST have 5+ years experience in data or software engineering within financial services or a similar regulated industry. Strong full-stack experience with Python , Java (Spring Boot) , React , SQL, and relational databases. Hands-on experience with modern data engineering tools (e.g. Airflow, Spark, Kafka, dbt, Snowflake or similar). Experience ...

Data Structures, Deign Patterns, Algorithms You have commercial Golang development experience (likely to have a background with other OO languages such as Python, Java, C++ but you must be happy to use Golang going forward) You have a strong knowledge of AWS - they're using AWS SNS & SQS, Amazon ...

/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 Good Linux/network stack knowledge, as well as optimization/tuning Nice to have: Containerization (Docker/Kubernetes ...

needed. What we’re looking for Strong software engineering experience writing clean, efficient and well-tested code in statically-typed languages (e.g., modern Java or equivalent). Deep understanding of object-oriented architecture, concurrent systems and messaging paradigms such as point-to-point, publish/subscribe and event-driven design. ...

Proven hands-on experience in system design and architecture Focus on producing clean code whilst promoting excellent coding practices throughout the team Tech stack: Java 11-17, Springboot PostgreSQL/Kafka AWS/Kubernetes/Terraform Typescript/React Benefits: 10% bonus Life assurance 25 days annual leave (option ...

adopt modern cloud-native technologies and best practices Promote high engineering standards across code quality, testing, and automation Skills: Strong backend engineering capability (Golang, Java, or .NET) Strong hands-on experience building and operating distributed systems in cloud environments (AWS or GCP) Kubernetes and container orchestration experience Infrastructure as Code ...

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 ...

Familiarity with version control tools including Git, GitHub, SVN, and utilisation of APIs for system integration Knowledge of additional programming languages such as Python, Java, C#, Ruby on Rails, VBA, and .NET frameworks is advantageous Strong understanding of SQL databases like MySQL or SQL Server for data management tasks Experience ...

Computer Engineering or other relevant subjects Experience in project management General knowledge of banking business, products and services Experience in open platform development, including Java, Python and AI relevant frameworks Solid database programming skills Good analytical skills and problem solving skills Excellent communication skills Fluency in Mandarin would be advantageous ...

Senior Software Engineer/Developer (Java AWS Kafka) London/WFH to £140k Are you a Java technologist who enjoys building systems from scratch? You could be progressing your career, in a senior, impactful role at a global, cloud-native, prime broker that is replacing the legacy infrastructure used across … UK. As a Senior Software Engineer you will take ownership of building a brand new Futures Trading platform for the UK, primarily using Java with a focus on backend development but also with some React UI work. You'll be working on complex and challenging, highly available mission critical systems ...

look outside of this. They are; Have studied Computer Science or Maths at a Top University Have strong OOP – language is not important; Python, Java, C++/C#. Strong problem-solving capability Some SQL experience Have had internship or placement experience (non-negotiable) Salary range is £45K-£55K + bonus ...

Required Experience We are looking for true AVP-level profiles (not graduate/junior): Strong commercial experience in Angular (v10+) Solid full-stack capability (Java, .NET or Python backend preferred) Experience building enterprise-grade web applications Strong understanding of APIs, microservices and distributed systems Comfortable working in a fast-paced ...

STEM related field. 3+ years in capital markets or financial software Strong knowledge in equity derivatives Experience in object-oriented programming such as C#, Java, and C++. C# is a plus. Knowledge of SQL and databases preferred. Good knowledge of mathematics, finance, and financial calculations. Ability to prioritize tasks ...

next tech unicorn, together, in the same room, ask the big players. What you’ll need to succeed: Strong experience building production quality software (Java, TypeScript, React or Python) Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively Hunger and drive: you’re comfortable working ...

adoption of modern cloud-native and GitOps practices Mentor senior engineers and influence engineering culture at scale Skills Required: Strong backend engineering ability (Go, Java or .NET) Extensive hands on expertise designing and operating high scale distributed systems Deep expertise in cloud native architecture (GCP/AWS) Advanced Kubernetes ...

expertise with Control Tower and multi-account strategies Deep understanding of AWS security Strong Infrastructure as Code and automation experience Programming skills in Python, Java or similar languages Experience with Kubernetes/EKS This is a great role with a growing client. They offer a superb package ...

least privilege access enforcement What you need: Practical RSA IGL (or similar IAM) experience SQL/PSQL, Oracle, REST/SOAP web services, JAVA/JSP, HTML/CSS/JS basics Linux/Windows servers, SQL/Oracle databases Excellent attention to detail, communication skills, PowerShell scripting Incident management ...

small team of engineers, supporting performance management and career growth. Essential Requirements: Experience leading teams of engineers in implementing data-intensive systems. Proficient in Java, Scala, or Python for software development. Experience with ETL/data-processing platforms (e.g., Informatica, Azure Databricks) and advanced SQL. Strong understanding of distributed data ...

passion for building. Ideally a degree in Computer Science, Engineering, or similar. 5+ years of software engineering experience using modern object-oriented languages (e.g., Java, C#, Python). Strong Python capability alongside at least one other major language. Practical experience building with Generative AI technologies in real solutions. Experience leading ...

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 ...

Role: Our client is seeking a Senior Hands-on Java Developer to join a Tier-1 Global Financial Institution's Fixed Income team. This isn't a "business as usual" role-you will be a key architect in re-engineering a mission-critical trading platform, migrating legacy systems into … Focus: Electronic Trading, Messaging Channels, and Exchange Interfacing. Tech Culture: Modern engineering with AI-integrated workflows (GitLab Duo/CoPilot). Your Technical Arsenal Java Expert: Mastery of core Java, Spring Boot, and Spring Integration. Domain Specialist: Deep experience in Fixed Income (Treasuries, Corporate Bonds, Mortgages) and trading protocols like ...

Senior Java Developer Investment Banking Fixed income Pricing and Risk This is a new and exclusive opportunity for a Senior Java Developer to join this Investment Banking business as they expand their Fixed income Pricing and Risk front office team Role details Title: Senior Java Developer Business area: Front office … income Pricing and Risk Permanent role £(Apply online only)k Location: London City Liverpool street station, home working hybrid 50/50% Technical stack: Java This is a senior Java developer to run Front office Fixed income Pricing and Risk java application development within this investment bank This ...