Java Jobs in London

176 to 200 of 324 Java Jobs in London

Senior SDET - Java

London, South East, England, United Kingdom
Robert Walters
non-functional requirements. Support CI/CD integration and continuous improvement of testing processes. Required Skills & Experience 5+ years' experience as an SDET or Automation Engineer. Strong knowledge of Java (OOP, SOLID principles) and ability to build coded test frameworks. Experience with RESTAssured and API Testing . Familiarity with SQL/RDBMS and Integration Testing . Hands-on with Git More ❯
Employment Type: Contractor
Rate: £650 - £680 per day
Posted:

Senior Java Developer SaaS Platform - £85k & London

London, South East, England, United Kingdom
Opus Recruitment Solutions Ltd
Java Full-Stack DeveloperLocation: London (Hybrid)Salary: £85,000 – £90,000 + benefitsI’ve partnered with an exciting tech firm who are building software that transforms how stakeholders make important decisions. What started as a consultancy has evolved into a SaaS platform that helps organisations cut through hundreds of pages of board packs and focus on what matters. Their products … combine Java, AI, and modern web technologies to deliver clarity and speed for decision-makers.They’re estimated at nearly $30M, annually, and have 3 offices globally, with the view to grow their UK footprint. Having recently doubled down on AI-driven tools, they are tackling the biggest pain points stakeholders have, information overload and poor decision-making efficiency. What You … ll Do Develop and enhance their core services built in Java (Spring Boot). Work on full-stack features using React (or similar modern JS frameworks). Collaborate on new product initiatives, including AI-powered tools. Contribute to architecture decisions and help shape the future Tech Stack Backend: Java (Spring Boot), Ruby on Rails (legacy), Golang, Python (AI services) Frontend More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Senior Full Stack Java Developer

London, United Kingdom
Rec Solutions
Senior Full Stack Java Developer (100k-120k plus benefits and bonus) This is a hybrid role, 2 days in the office, 3 days remote What the role offers: Competitive salary with growth opportunities. Opportunity to work on cutting-edge fintech solutions. A collaborative and supportive team environment. Exposure to a wide range of technologies and the chance to shape the … As we expand, we're looking for a talented developer to join our team and play a crucial role in shaping our platform. Role Overview: As a Full Stack Java Developer, you will work across the full stack, collaboratively contributing to front-end, back-end, system architecture, and infrastructure. You will be responsible for designing and developing scalable, robust software … solutions using Java, with a focus on system design and performance. AWS experience is a plus, and financial industry knowledge would be beneficial but not required. Key Responsibilities: Work on full-stack development, including front-end, back-end, and infrastructure. Collaborate closely with a small, highly skilled team to deliver innovative solutions. Optimize system performance, troubleshoot issues, and continuously improve More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer (AI Agent Developer)

London, United Kingdom
Randstad Digital
AI Engineer (Java, Golang) 6 Months Contract Inside IR35 Pay rate- 600- 750 GBP per day Inside IR35 Work mode- Remote We are looking for a passionate (Backend Engineer AI Engineer AI Agent Developer) to join the IT studio, the team responsible for advancing the digital workplace experience click apply for full job details More ❯
Employment Type: Contract
Rate: GBP 600 - 750 Daily
Posted:

Senior Software Engineer Tech Group - FTC UK

London, United Kingdom
Hybrid/Remote Options
Spyrosoft Ltd
days a week in the office eligibility to work in the UK Role Overview We are looking for a passionate Senior Software Engineer who lives and breathes Java development to join us working with our media client click apply for full job details More ❯
Employment Type: Permanent
Salary: GBP 70,000 Annual
Posted:

Pentaho Developer

London, UK
InfinityQuest Ltd,
of data warehousing concepts, data modelling, and schema design. Experience with other ETL tools (Informatica, Talend, SSIS) is a plus. Advanced SQL for querying and data manipulation. Familiarity with Java, Python, or VBA for scripting and automation. Knowledge of RESTful APIs and various database systems. Skills in data prof... JBLK1_UKTJ More ❯
Posted:

Power Systems Engineer

City of London, London, United Kingdom
Vallum Associates Limited
Work experience in customizing and delivering Energy Management Systems Should have worked on Power Systems applications for Distribution (VVC (Volt VAR Control, Automatic Feeder Rate etc) Experience with C++, Java, SQL or other related language. Experience with LINUX and Windows Operating Systems Design, implement, and optimize ADMS solutions to meet business needs and improve operational efficiency. More ❯
Employment Type: Contract
Rate: Up to £550 per day Inside IR35
Posted:

Fullstack Developer - UK (Fully REMOTE)

London, United Kingdom
Hybrid/Remote Options
Randstad Technologies Recruitment
own core login/signup capabilities for a Tier 1 Global Consumer Platform . This is a high-scale, mission-critical role demanding deep technical expertise. Must Haves: Strong Java Backend Systems experience. Proficiency with Next.js and JavaScript. Experience with High-Scale, Consumer-Facing Products. Knowledge of Kubernetes, GCP, and OAuth 2.0. This is an urgent vacancy with a deadline More ❯
Employment Type: Contract
Rate: £600 - £670/day
Posted:

Fullstack Developer - UK Fully REMOTE

London, South East, England, United Kingdom
Hybrid/Remote Options
Randstad Technologies
own core login/signup capabilities for a Tier 1 Global Consumer Platform . This is a high-scale, mission-critical role demanding deep technical expertise. Must Haves: Strong Java Backend Systems experience. Proficiency with Next.js and JavaScript. Experience with High-Scale, Consumer-Facing Products. Knowledge of Kubernetes, GCP, and OAuth 2.0. This is an urgent vacancy with a deadline More ❯
Employment Type: Contractor
Rate: £600 - £670 per day
Posted:

Software Engineer

London, UK
Understanding Recruitment
large-scale data pipelines, and real-time detection engines - all built to make the internet a safer place. You'll thrive here if you: Have strong OOP experience (Python, Java, Go, or Rust - core stack: C#, and they'll support you ramping up) Enjoy turning complex systems into clean, elegant solutions Like working in a fast-paced environment with real More ❯
Employment Type: Full-time
Posted:

Sports Trading Quantitative Analyst

City of London, London, United Kingdom
Spectrum It Recruitment Limited
an office-based role and as well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science An interest in sports More ❯
Employment Type: Permanent
Posted:

Sports Trading Quantitative Analyst

London, South East, England, United Kingdom
Spectrum IT Recruitment
an office-based role and as well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science An interest in sports More ❯
Employment Type: Full-Time
Salary: £100,000 - £120,000 per annum
Posted:

Oracle Retail Techno-Functional Consultant

London, South East, England, United Kingdom
Lorien
rails that drive efficient design and development processes What will make you successful in this role: In database query language such as: Oracle - performance, EXA, etc. In programming using: Java, Pro C and PL/SQL In scripting languages using: JavaScript and shell script Experience must include experience in agile software development Experience with industry standards for enterprise integration patterns More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Backend Developer

London, United Kingdom
Hays Technology
data structures, and distributed systems Experience building and operating large-scale backend systems Expertise in system and API design, scalability, and performance tuning Proficiency in a modern backend language (Java preferred) Knowledge of cloud-native architectures, containers, and CI/CD Proven leadership in technical strategy and mentoring What you need to do now If you're interested in this More ❯
Employment Type: Permanent
Salary: £100000 - £110000/annum £110,000 -£130,000
Posted:

Backend Developer

London, South East, England, United Kingdom
Hays Specialist Recruitment Limited
data structures, and distributed systems Experience building and operating large-scale backend systems Expertise in system and API design, scalability, and performance tuning Proficiency in a modern backend language (Java preferred) Knowledge of cloud-native architectures, containers, and CI/CD Proven leadership in technical strategy and mentoring What you need to do now If you're interested in this More ❯
Employment Type: Full-Time
Salary: £100,000 - £110,000 per annum
Posted:

Lead Mobile Developer - Flutter

London, South East, England, United Kingdom
Tank Recruitment
through reviews, feedback, and technical leadership What we're looking for 3+ years building and maintaining production Flutter apps at scale 5+ years in iOS and Android development (Swift, Java, Flutter) 10+ years of professional software engineering experience Deep knowledge of modern state management approaches Hands-on experience with monitoring tools (Firebase Crashlytics, Sentry, New Relic, or similar) Strong communicator More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

AI Engineer - London - Fintech Trading

London, United Kingdom
Transparent Technology
experienced technologists and finance professionals to deliver high-value AI solutions. Required Experience & Skills: 2+ years software development, 1-2+ years in AI/ML development. Python (mandatory), Java or TypeScript (advantageous) ML fundamentals, LLM integration, prompt engineering, RAG workflows, AI frameworks and Fine-tuning. Mindset: Self-motivated, growth-oriented, passionate about emerging AI tools. Environment: Comfortable in a More ❯
Employment Type: Permanent
Salary: £75,000
Posted:

Flood Risk Consultant

London, South East, England, United Kingdom
Penguin Recruitment Ltd
Software System Lifecycle, including front-end and back-end aspects Experience of working with software systems/programmes specifically within an environmental setting Demonstrable experience in the use of Java Middleware, API, Docker, and MQ software Outstanding knowledge of performance and security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet and Security Prior experience of Database More ❯
Employment Type: Full-Time
Salary: £80,000 - £85,000 per annum
Posted:

Flood Risk Consultant

London, United Kingdom
Penguin Recruitment
Software System Lifecycle, including front-end and back-end aspects Experience of working with software systems/programmes specifically within an environmental setting Demonstrable experience in the use of Java Middleware, API, Docker, and MQ software Outstanding knowledge of performance and security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet and Security Prior experience of Database More ❯
Employment Type: Permanent
Salary: £80000 - £85000/annum
Posted:

Hourly Paid Lecturer, Web

london, south east england, united kingdom
AD Education
re seeking a candidate with strong proficiency across a range of web and software development technologies, including: - Core Development Languages & Frameworks: - HTML - CSS (including frameworks like SCSS) - JavaScript - PHP - Java Key Development Concepts & Tools: - REST APIs - SQL (for database management) - MVC Architecture - Mobile Development - Search Engine Optimisation (SEO) Desirable: - Python and AI Job Description here If you are interested in More ❯
Posted:

VP of Rights

Central London, London, United Kingdom
Stats Perform
From real-time data collectors and AI specialists to elite journalists and cloud engineers, our team turns raw numbers into magic. Our tech experts work with advanced cloud solutions, Java, JavaScript, and Python, using AI and machine learning to extract insights and deliver them via APIs. Were looking for a visionary and commercially astute leader to join our Rights team More ❯
Employment Type: Permanent
Posted:

Solutions Architect - London or Coventry

London, United Kingdom
FDM Group Ltd
consumer-facing industries Proven expertise in enterprise system integration, including legacy system transformation and platform modernisation Hands-on experience with integration technologies, including Kafka (or similar event streaming platforms), Java-based backend systems, and service orchestration Strong proficiency in API design (REST/GraphQL), microservices architecture, and middleware solution Deep understanding of data flow, interface management, and end-to-end More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Project Manager, Pangaea Data Pangaea Data Managerial

London, United Kingdom
OBN Ltd
or related. Strong writing and communication skills. Knowledge or experience (classroom/work) in AI, NLP. Nice to Have Experience (classroom/room) on general programming languages: Python, C++, Java, etc. Experience with research communities and/or efforts, including having published papers (being listed as author) at conferences and/or journals in AI and/or medicine. Perks More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

ServiceNow Architect

London, UK
Hybrid/Remote Options
Tata Consultancy Services
to translate often-complex requirements into decisive digital platform strategies Excellent presentation skills. Desirable skills/knowledge/experience: ServiceNow Implementation Specialist certification. ITIL V3/V4 foundation certification. Java developer certification. Strong knowledge of Agile/Scrum methodology or trained in this area. Rewards & Benefits TCS is consistently voted a Top Employer in the UK and globally. Our competitive More ❯
Employment Type: Full-time
Posted:

Attack Monitoring Analyst (GSOC)

London, United Kingdom
London Stock Exchange Group
collaboration skills.• Security industry specific and core technical accreditations such as OSCP, GIAC, CCNA.• Certification demonstrating SIEM operational competences.• Proficient with one or more programming languages (e.g. Python, PowerShell, Java, C#).Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Java
London
10th Percentile
£57,500
25th Percentile
£75,000
Median
£105,000
75th Percentile
£132,500
90th Percentile
£142,500