1 to 25 of 96 Permanent Java Jobs in Central London

Software Engineering Manager

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
with highly available, transaction-heavy platforms. Technology Environment While experience with all technologies is not required, exposure to the following would be beneficial: .NET, Java, Python, or Node.js, React Microservices architecture RESTful APIs Kubernetes and Docker AWS, Azure, or GCP CI/CD tooling Observability and monitoring platforms Modern data ...

Sr. Full Stack Developer

Location
City Of London, England, United Kingdom
required. Experience with GenAI application development including vector stores, RAG solutions, context engineering, prompt engineering, observability is essential Experience with Agentic AI development & Java Spring Framework would be advantageous Understanding of full stack development and architecture patterns. Experience with RESTful API development and integration. Proven track record in developing base ...

Software Engineer III - Public Cloud Engineering

Location
City Of London, England, United Kingdom
Driven Development (TDD), Behavior Driven Development (BDD), automation - you see testing as an engineering discipline. You have experience in, or are prepared to learn Java, Spring, Go, Python and Infrastructure as code (IAC) e.g. Terraform, Kubernetes etc. Practical, hands-on cloud native experience. You have built and operated services ...

Sr. Full Stack Developer

Location
City Of London, England, United Kingdom
required. Experience with GenAI application development including vector stores, RAG solutions, context engineering, prompt engineering, observability is essential Experience with Agentic AI development & Java Spring Framework would be advantageous Understanding of full stack development and architecture patterns. Experience with RESTful API development and integration. Proven track record in developing base ...

Associate Software Engineer (Back End)

Location
City Of London, England, United Kingdom
engage effectively with traders, quants, and other business stakeholders. Desired Domain experience in Credit or Fixed Income. Expertise in modern .NET technologies and C# (Java or similar OO languages considered). Experience with CI/CD pipelines, containerisation (Docker), and orchestration (Kubernetes/EKS). Knowledge of distributed messaging ...

Senior Developer

Location
City Of London, England, United Kingdom
means essential. Technical Skills & Knowledge Strong programming skills in Python and TypeScript, with experience of SQL and cloud-based development. Experience with C#, Java or other programming languages would be an advantage. A solid understanding of APIs, authentication, web services, data formats and relational databases. Experience developing internal applications, automations ...

Software Engineer - Rust

Location
City Of London, England, United Kingdom
Computer Science, Engineering, Maths, Physics). Coding Aptitude :3+ years ofprogramming experiencein Rust orC++ and the willingness to learn new languages quickly.Withtheexpectation tocontributeacrossRust/Java/C++/Pythoncodebases asrequired. Experience with Linux development : Experience with using Linux and developing software running on Linux. Experience with virtualisation and containers ...

Technical Lead

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
team. Preferred Experience : Proven experience as a senior or lead software engineer in a modern SaaS, MarTech, or data-driven environment. Strong proficiency in Java (Spring Framework) is essential for success in this role. Frontend experience with React and TypeScript (or similar modern frameworks) is highly desirable. Demonstrated ability ...

Senior AI Engineer

Location
City Of London, England, United Kingdom
/CD, modern SDLC, TDD, and code review. Data: Working with relational, columnar, and vector stores, grounded in sound data-modelling principles. Languages: Python, Java, TypeScript/JavaScript, SQL, and relevant AI SDKs. Mentoring: Developing skills in mentoring engineers through pair programming and day-to-day collaboration. Communication: Clear written ...

Vice President, Identity and Access Management

Location
City of Westminster, England, United Kingdom
methodologies and tools (Informatica, Azure API Gateway, Mulesoft etc) Proficiency in database technologies (preferably Oracle), LDAP, Active Directory, and scripting languages such as SQL, Java, PowerShell, or Python. Advanced hands-on experience with RSA Governance & Lifecycle. Identity Access Management on Public Cloud such as AWS, GCP, Azure. Network concepts ...

Senior Full-Stack Engineer (Java, Typescript & Azure)

Location
City Of London, England, United Kingdom
technical excellence Contributing to architectural decisions, reducing technical debt and improving platform sustainability Who we're looking for: Strong commercial experience developing software using Java and JavaScript/TypeScript Experience building and supporting RESTful microservices in Spring Boot, Node.js or similar frameworks Solid understanding of cloud technologies, ideally Azure, alongside ...

Web Developer JavaScript Angular - HealthTech

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Angular codebase. You'll have focus on frontend projects, using modern Angular 21 as well as writing and optimising SQL database queries, with some Java backend exposure. You'll input into technical discussions and decision making, as a senior member of a small team where you'll be able ...

Software Engineer

Hiring Organisation
Fortice
Location
City of London, London, United Kingdom
Technical Requirements 3+ years of commercial engineering experience. They're open across the stack, with strong backend or cloud experience the priority. Backend: Python, Java, C++, C# or Rust Cloud: AWS, Azure or Kubernetes Frontend: TypeScript or React (nice to have) Who They're Looking For They want genuine problem ...

Senior Software Engineer - Java, TypeScript & Azure

Location
City Of London, England, United Kingdom
Legal & General in London is seeking a Senior Engineer to join the Group Protection technology team, delivering modern cloud-based solutions across the full software delivery lifecycle. You will collaborate with stakeholders, mentor engineers, and ...

Java Software Engineer III

Location
City Of London, England, United Kingdom
We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorganChase within the Corporate & Investment Bank Payments tech team you ...

Technical Leader

Location
City Of London, England, United Kingdom
While we don't believe in rigid checklists, experience or interest in the following areas is a plus: Strong software engineering experience, particularly with Java, Kotlin, or other modern programming languages. Strong backend development experience, including Spring Framework/Spring Boot and RESTful APIs. Strong hands-on engineering skills, with ...

Software Engineer, AI Product Engineering

Location
City of Westminster, England, United Kingdom
domain-driven design, and the judgement to know when a lighter approach is the right call. Language-agnostic engineering strength. We use TypeScript, Java, and Python, and you should be productive in at least one of them and willing to work across all three. We care that you understand systems ...

Principal Engineer I — Prepurchase Platform

Location
City Of London, England, United Kingdom
core bar for this role. Proven experience writing production code and building high-traffic systems at scale - this is a coding role first. Expertisein Java (17+); and the JVM, withstrongcommand of JVM internals, garbage collection behavior, and performance tuning under load. Kotlin is a plus. Hands-on experience with ...

Senior Full-Stack Engineer: GenAI & Platform Innovation

Location
City Of London, England, United Kingdom
organization. You will design, implement, and scale solutions, mentor junior developers, collaborate with architects, and help define standards for reusable components using Python, ReactJS, Java Spring, REST APIs, and AWS. The role emphasizes performance, observability, and cutting-edge AI techniques, with a hybrid work model and opportunities to influence #J ...

Salesforce Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
related discipline. - Around 2+ years' experience in software engineering, application development or Salesforce development. - Experience with at least one modern programming language such as Java, C#, JavaScript, TypeScript, Python or Apex. - Understanding of software engineering fundamentals including APIs, data modelling, testing, version control and CI/CD. - Knowledge of Salesforce ...

Senior Software Engineer, C/FICCO Data

Location
City Of London, England, United Kingdom
both new and existing systems. Provide on‐call support as needed. Qualifications A minimum of 2+ years’ experience using at least one of Python, Java, and C++, and can work comfortably in multiple programming languages A track record of working directly with end customers, scoping and delivering production systems ...

Platform / DevOps Engineer

Location
City of Westminster, England, United Kingdom
Security instincts. Sound secrets management and least‐privilege IAM as a default, not an afterthought. Polyglot comfort. You can read across Python, TypeScript, and Java well enough to unblock a build or debug a pipeline you don't need to own those apps, just keep them shipping. A bias ...

Developer

Location
City Of London, England, United Kingdom
research, backtesting or factor modelling; full stack familiarity (Flask, Django, FastAPI); SaaS build/deploy on cloud (Docker, AWS or similar); an understanding of Java; and experience in quantitative finance or with financial market data. Qualifications & Experience: Bachelor's or Master's in Computer Science, Data Science, IT, Electrical Engineering ...

Lead Software Engineer: Java & AI for Payments

Location
City Of London, England, United Kingdom
JPMorgan Chase & Co. in City of London, United Kingdom, is seeking a Lead Software Engineer for the Payments team. You will develop high-performance, low-latency, cloud-based payment flows end-to-end, from requirements ...