1 to 25 of 313 Java Jobs in London

Lead Full Stack Software Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
technical assessments) What We're Looking For Essential Extensive full-stack engineering experience across design, build, test and deployment Strong hands-on skills in Java, Spring Boot, Python, microservices , and ideally a polyglot mindset Deep understanding of Agile , TDD , DevOps and modern engineering practices Real-world experience building and maintaining ...

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 ...

Application Solution Architect- Payments

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Docker, Kubernetes). Proficiency in AI technologies and their practical application within financial services. Strong understanding of application architecture in modern development languages, including Java, .NET (C#), Python, and JavaScript/TypeScript frameworks (e.g., Angular, React). Experience working on initiatives delivering regulatory-driven changes (e.g., PSD2 ...

Senior Java Microservices AWS developer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Position: Senior Java Microservices AWS developer Location: London, UK (2 days a week from office) 6 months contract position The Role As Senior Java Microservices AWS developer with a strong hands-on experience, you will design and develop scalable, cloud-native web applications using Java and AWS Serverless architecture Model. … Your responsibilities: (Up to 10, Avoid repetition) Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services ...

Solution Architect – Kafka & Payments (Banking Domain)

Hiring Organisation
UNITECH
Location
City of London, London, United Kingdom
Azure, or GCP) Familiarity with containerization (Docker, Kubernetes) Strong understanding of high-availability and scalable system design Technical Skills Apache Kafka (Core, Streams, Connect) Java/Scala/Python (at least one preferred) Microservices architecture REST & event-driven APIs SQL & NoSQL databases CI/CD pipelines Monitoring tools (Prometheus, Grafana ...

Senior Product Engineer remote

Hiring Organisation
Serve Legal
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
fluidly with data scientists, commercial teams, and ops leaders. Hard Skills Required Software Engineering: Strong in at least one modern language (JavaScript/TypeScript, Java, Python) Web & Product Development: Frameworks (React, Node.js, Django/Flask) AI, GenAI and LLMs: OpenAI, Gemini, Grok, Llama Agentic AI: Frameworks (langchain, langgraph, Google ...

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 ...

Senior Platform Engineer

Hiring Organisation
Inspire People
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Copilot, CloudFormation, Pulumi) Experience and fluency in one or more programming languages to write clean and effective code (e.g. Python/Django/Java) Knowledge of Linux/Unix fundamentals and TCP/IP networking Ability to see user impact in the infrastructure and platform changes, including a drive ...

Technical Assessment Lead - 6 month FTC

Hiring Organisation
TPXImpact Holdings Plc
Location
City of London, London, United Kingdom
Employment Type
Temporary
Salary
£85,000
Professional knowledge and experience Essential: Significant hands-on experience as a Senior, Lead, or Principal Engineer in modern full-stack environments (e.g., .NET, React, Java, Python). Proven track record of scaling teams and making high-quality technical hiring decisions. Deep knowledge of software architecture, clean code principles, and maintainable ...

Senior Java Full Stack Software Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Senior Java Full Stack Software Engineer - Public Sector Digital Transformation Location: UK (Fully Remote) Type: Permanent Security Clearance: SC cleared/eligible Use your engineering expertise to improve services that millions rely on. We're hiring a Senior Software Engineer to join a mission-driven digital consultancy supporting major public … technical stakeholders What We're Looking For Essential Proven experience in full-stack software development (design, build, test, deploy) Strong hands-on experience with Java, Spring Boot, and microservices Solid understanding of Agile and DevOps practices , with real-world CI/CD delivery Experience with cloud platforms (AWS, Azure ...

Software Developer

Hiring Organisation
Information Tech Consultants
Location
Greater London, England, United Kingdom
IMMEDIATE JOINERS !! Java Software Developer Location: London Work Mode: On-site Salary: 35K-50K per year Job Type: Full-time The Role We are looking for a Java Full Stack Developer who A Java Developer (2-5 years experience) designs, codes, tests, and maintains scalable Java applications, collaborating with teams … Development: Design and develop high-volume, low-latency applications for mission-critical systems. Back-End Excellence: Write clean, maintainable code using Java and the Spring Boot ecosystem. Front-End Innovation: Build responsive, user-friendly UI components using React, Angular, or Vue.js . Database Management: Design and optimize schemas for relational ...

Senior Data Software Engineer (Public Sector Consultancy)

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Bring to the Team A strong interest in data, particularly data engineering, data science, or machine learning. A solid technical background, with experience in Java, Python, TypeScript, or similar languages. Experience developing software using TDD or a strong willingness to adopt TDD practices. Strong problem-solving skills and the ability ...

Senior Software Engineer (React Native) - UCX

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
memory optimization. Excellent communication skills and experience working in agile environments. Nice to Have Experience with native iOS (Swift) or Android (Kotlin/Java). Experience in fintech or banking applications. Familiarity with feature driven modular architecture. Experience working with feature flags. UI automation testing experience. Interview Process Stage ...

Senior Software Engineer, Trading Systems

Hiring Organisation
Ripple
Location
London, England, United Kingdom
software development with minimum 2 years in Ops or DevOps experience in trading environments, with expertise in large-scale distributed systems; recent work in Java, Go, or Scala is preferred. Hands-on experience with container orchestration (Kubernetes, Docker, etc.) and cloud infrastructure, especially AWS; familiarity with Infrastructure-as-Code tools ...

Senior QA Automation Engineer

Hiring Organisation
OpenBet
Location
Chiswick, England, United Kingdom
Cucumber, JUnit, TestNG) Demonstratable ability to design, develop, and maintain automated test scripts Proven experience of testing complex user interfaces Programming & Scripting Proficiency in Java Strong understanding of OOP principles Ability to write and debug scripts for automation Thorough knowledge of structured test methods and procedures Continuous Integration & DevOps Experience ...

Senior Java Developer

Hiring Organisation
Vallum Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
Your responsibilities: Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services such as EC2, S3, Lambda … code reviews, and take full ownership of feature development from design to production. Essential skills/knowledge/experience: Minimum 10 years of experience Java application development Strong hands-on expertise in Java 11+ (preferably Java 17 or latest) Proficiency in Spring Boot, Microservices architecture, and Core Spring Experience with ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 620 Daily
Strong background in distributed, cloud native, and data intensive systems. Deep AWS experience (essential). Strong data modelling and data architecture skills. Expertise in Java, Spring Boot, REST/event driven services; good knowledge of Angular/Node.js. Solid understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
Remote, Sutton South, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £620/day
Strong background in distributed, cloud‑native, and data‑intensive systems. Deep AWS experience (essential). Strong data modelling and data architecture skills. Expertise in Java, Spring Boot, REST/event‑driven services; good knowledge of Angular/Node.js. Solid understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker ...

eFX Developer - Director - Investment Banking

Hiring Organisation
Nicoll Curtin Technology
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
duties beyond regular working hours. Designing, implementing, and delivering complex globally distributed high availability Real Time trading systems. Key Skills: OO Language - C++/Java/Python/Rust/C# FX Financial Markets Low-Latency Market Data Multi-Threading No-SQL/SQL Unit Testing/TDD/Automated ...

Backend Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £75,000 per annum
National Security space. You should have: Active UK Enhanced Developed Vetting (eDV) clearance . Proven software development experience with one or more of Java, TypeScript, JavaScript, or Python . Strong understanding of modern software engineering practices and design patterns. Experience working in Agile delivery teams (Scrum or Kanban). ...

Senior DevOps Consultant

Hiring Organisation
Exponential-e
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
information technology practices and products to provide objective and credible opinions and guidance Experience of Linux/RHEL v6x, 7x and 8x JavaScript, SQL, Java, Python and Unix coding Scripting knowledge AGILE JIRA Communicate with impact and empathy and adapt style to suit the situation OpenText Service Manager and/ ...

Junior Systems Engineer

Hiring Organisation
Open Answers
Location
Harrow, Greenhill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£30000 - £35000/annum
Subversion Experience that would be Advantageous: Experience of configuration automation Ability to program in at least one compiled language: C, C++, Java, .NET family Windows administration and troubleshooting Understanding of XML, SOAP and RESTful API concepts Cloud experience eg AWS EC2, Azure, Google, Oracle Working with a continuous build environment ...

Software Engineer (React Native) - UCX

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
memory optimization. Excellent communication skills and experience working in agile environments. Nice to Have Experience with native iOS (Swift) or Android (Kotlin/Java). Experience in fintech or banking applications. Familiarity with feature driven modular architecture. Experience working with feature flags. UI automation testing experience. Interview Process Stage ...

Lead Solution Architect

Hiring Organisation
BP Energy
Location
South West London, London, United Kingdom
Employment Type
Work From Home
time reporting, distributed caching, and unstructured databases such as MongoDB. Technical Architecture: You are confident with modern design patterns, AWS cloud services, C# or Java, containerisation (Kubernetes, Docker, OpenShift), and infrastructure-as-code tools such as Terraform. Familiarity with React for UI development is highly valuable. Integration Expertise: You understand ...

Lead Full-Stack Java Developer - SC Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
Lead Full Stack Java Developer - SC Cleared NEW PERMANENT OPPORTUNITY FOR A LEAD FULL-STACK JAVA DEVELOPER IN LONDON WITH SC CLEARANCE Location: London (Hybrid) Salary: £80,000 - £95,000 per annum Clearance: Active SC Clearance required To apply: email The Company Join a specialist technology consultancy delivering complex, mission … modernise secure systems that underpin national operations - tackling some of the most demanding challenges in government technology. The Role As a Lead Full Stack Java Developer , you will guide a small team of engineers while remaining hands-on in the design and development of high-performance, secure applications. ...