1 to 25 of 88 Permanent Java Jobs in Central London

Senior Java Software Engineer

Hiring Organisation
TetriQ Solutions
Location
City of London, London, United Kingdom
Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing … conducting code reviews, troubleshooting complex technical issues, and driving innovation with new technologies. Key Responsibilities: • Team Leadership: Lead, mentor, and guide a team of Java developers in the development lifecycle. • Project Management: Oversee Java development projects from conception to completion, ensuring alignment with project requirements and timelines. • Technical Expertise: Design ...

Software Engineer

Hiring Organisation
Opus Enterprise Ltd T/A Real Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
this post: 7+ years experience in software engineering and a solid understanding of the software development lifecycle (SDLC). Technical experience with OOAD, SOA, Java, J2EE, Spring, React.js, Node JS, Hibernate, SOAP/REST web services, Spring security, SpringBoot, and AMQP/RabbitMQ. Experience with application servers (Jboss/WebSphere ...

Founding Senior Full-Stack Engineer

Hiring Organisation
Barrington James
Location
City of London, London, United Kingdom
e.g., React, Vue, Angular) and strong JavaScript/TypeScript skills. Solid backend experience with one or more languages/frameworks (e.g., Node.js, Python, Go, Java, Ruby). Experience designing and implementing RESTful APIs or GraphQL services. Strong understanding of databases (SQL and/or NoSQL) and data modeling. Comfortable working ...

Senior .Net Engineer

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
Core) Knowledge of web accessibility standards and best development practices Bonus Skills: Exposure to microservices built in additional languages (e.g., JavaScript, TypeScript, or Java) Experience integrating with NoSQL solutions like MongoDB or Cosmos DB Interest in working with large language models (LLMs) using tools like LangChain Experience with templating systems ...

Solace Administrator

Hiring Organisation
BGC Group
Location
City of London, London, United Kingdom
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 ...

Founding Back-End Engineer

Hiring Organisation
Barrington James
Location
City of London, London, United Kingdom
Looking For 5+ years of hands-on experience building backend systems in a production environment. Strong experience with backend languages and frameworks (e.g., Java, Spring, Python, Go, Node.js — adaptable to your stack). Proven track record designing and implementing RESTful APIs and microservices. Solid understanding of databases (SQL and NoSQL ...

Lead Back End Engineer

Hiring Organisation
mkodo
Location
City of London, London, United Kingdom
greatest impact will come from technical leadership, enabling teams to deliver robust, scalable, and secure services. With a strong foundation in backend technologies, including Java and Spring Boot, and event-driven systems such as Kafka, you’ll influence systems well beyond your own code, ensuring architectural integrity and high engineering … duties and responsibilities on our website: mkodo careers 🤩We’d love to hear from you if... You have strong backend engineering experience, ideally including Java (Java 11+) and Spring Boot. You have proven ability to design and lead backend architectures for complex systems. You are familiar with cloud environments ...

Full Stack Engineer

Hiring Organisation
83zero
Location
City of London, London, United Kingdom
NoSQL databases (especially MongoDB) or SQL (e.g., Postgres) Understanding of web standards, accessibility and development best practice Bonus Skills Building microservices in C# or Java Integrating LLMs (e.g., LangChain, Vercel AI) Using the GOV.UK Design System and Nunjucks What You’ll Love You’ll join a community that values technical ...

AWS Platform Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
teams (Scrum/Kanban/Lean) Solving complex technical challenges using sound engineering principles What we're looking for Strong programming experience in Python, Java, JavaScript or .NET Proven experience delivering production-grade systems Solid use of Git-based version control Experience with CI/CD tooling (e.g. Jenkins, Bamboo ...

Senior Java Developer - Futures Trading

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Senior Java Developer/Software Engineer (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 … custody system, designed for today's complex global markets. The company is experiencing great success and is expanding into the UK. As a Senior Java Developer you will take ownership of building a brand new Futures Trading platform for the UK, primarily using Java with a focus on backend development ...

Full Stack Engineer

Hiring Organisation
algo1
Location
City of London, London, United Kingdom
into user flows Contribute to overall system design: service boundaries, data ownership, scaling, and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols ...

Senior Staff Software Engineer

Hiring Organisation
ShareChat
Location
City of London, London, United Kingdom
12+ years of industry experience with a solid understanding of engineering, infrastructure and ML best practices. Strong coding skills with Go or JAVA Design and help develop systems that serve recommendations to over 300 million users Drive engineering roadmap creation and execution, specifically around feed ranking and recall oriented candidate ...

Senior Full-Stack Engineer (Java & Python)

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

Backend Software Engineer Go AWS

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
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 ...

GenAI Architect

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
organization. Mandatory Skills & Experience • Experience: 8+ years in cloud and AI architecture design, 5+ years in software development. • Technologies: Proficiency in Python, Java (and/or Golang), and Spring; expertise in AWS, Azure, Google Cloud; Kubernetes and containerization. • AI Expertise: Advanced machine learning algorithms, GenAI models (e.g., GPT, BERT, DALL ...

Senior Full Stack Engineer - Technologist

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
comfortable taking ownership of projects and mentoring more junior team members You have strong TypeScript skills, combined with any backend programming language (e.g. Python, Java, C++, C#) You're happy to work with the following tech stack (you don't need experience with all): Elixir, Ember, Elm, Phoenix, LiveView, Python ...

Data Engineering Manager

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
hands-on experience working within Microsoft Azure environments, including Azure Data Factory and Azure DevOps Experience leading and developing engineering teams Exposure to Python, Java, or C++ is beneficial Strong experience working within Agile delivery environments A problem-solving mindset with a strong interest in innovation and continuous improvement ...

Artificial Intelligence Engineer

Hiring Organisation
Peaple Talent
Location
City of London, London, United Kingdom
validation to responsible, ethics-driven AI practices What we’re looking for: Proven client-facing experience with strong stakeholder management Proficiency across Python or Java, ML frameworks (TensorFlow, PyTorch, scikit-learn), and cloud AI services Knowledge of agentic tools such as LangChain Agents, AutoGPT, and CrewAI, plus familiarity with GenAI ...

IT Applications Manager/Applications Manager

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
analytics and evaluate applicability to the firm's operations. IT Applications Manager/Applications Manager Knowledge, Sills and Experience: * Proficient in SQL, C#, Python, Java, HTML/CSS, and related development frameworks. * Understanding of API integration, data modelling, and application performance tuning. * Strong project management skills are essential for implementing ...

Senior Software Engineer - Quant Firm

Hiring Organisation
Dex
Location
City of London, London, United Kingdom
translate theoretical strategies into production-grade code. What You'll Have Polyglot Mastery: Exceptional command of at least one major systems language ( C++ , Rust , Java ) for low-latency components, or Python for data and ML workflows. Distributed Systems Expertise: Deep experience building high-throughput, fault-tolerant systems using modern messaging ...

Lead Java Developer

Hiring Organisation
Candour
Location
City of London, London, United Kingdom
Lead Software Engineer (Java) – London/Hybrid Are you a Lead Backend Engineer with a strong background in Java and modern backend architecture? In this senior technical leadership role, you will set the technical vision, influence system design, and guide teams in delivering secure, scalable, and high-performing services. While … discipline across teams. Lead design sessions, code reviews, and collaborative technical discussions. Skills & Experience Proven experience as a senior or lead backend engineer with Java (11+) and Spring Boot. Expertise in designing and leading backend architectures for complex systems. Strong understanding of AWS, Kubernetes, and modern microservice-based systems. Experience ...

Senior Java Software Engineer

Hiring Organisation
CipherTek Recruitment
Location
City of London, London, United Kingdom
Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £950 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking Duration: 12 months +. Also open to contract to permanent conversions … Overview: We are seeking an experienced Java Developer to join a high-profile investment banking client in London on a contract basis. The successful candidate will work on an Electronic Trading Platform for the FIC business . This is an exciting opportunity to contribute to the development and integration ...

Software Engineer - Fullstack Developer with Python and Angular

Hiring Organisation
Harvey Nash IT Recruitment UK
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
technical decision-making Experience Required: 5 to 15 years of relevant software development experience Python Angular AI or Artificial Intelligence Desirable Skills Knowledge of Java or Kotlin ...

Senior UI Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
responsiveness Confident working directly with front-office stakeholders Bachelor's degree in Computer Science, Engineering, or related discipline Desirable Backend experience in Java or C# Experience working in electronic FX, market making, or algo trading Familiarity with AI-assisted development tools while maintaining engineering standards Strong attention to detail ...

Palantir Solution Architect

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
orchestration, consumption) Cloud platform experience (AWS, Azure or GCP) Strategic architecture capability including roadmaps, trade-offs, and risk management Strong programming skills in Python, Java or Scala Demonstrated experience managing and developing technical teams Desirable Data governance, lineage, provenance, and master data management Technology evaluation and product selection Event-driven ...