151 to 175 of 287 Java Jobs in London

Lead Software Engineer SaaS

Hiring Organisation
Client Server
Location
London, England, United Kingdom
environment that encourages knowledge sharing and close collaboration. About you: You are an experienced backend focused Software Engineer with strong OO programming skills (e.g. Java, C++), ideally you will have commercial Rust and/or Golang experience but you can pick this up on the job You have experience ...

Gen AI Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day
model accuracy and relevance. Integration: Seamlessly integrate deployed AI models with existing enterprise systems, APIs, and data stores using back-end languages like Python , Java, or Node.js. Architecture & Strategy: Collaborate with technical architects to define scalable, secure, and cost-effective AI service architectures. Agile Delivery: Support POCs, pilots, and full ...

Gen AI Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
model accuracy and relevance. Integration: Seamlessly integrate deployed AI models with existing enterprise systems, APIs, and data stores using back-end languages like Python , Java, or Node.js. Architecture & Strategy: Collaborate with technical architects to define scalable, secure, and cost-effective AI service architectures. Agile Delivery: Support POCs, pilots, and full ...

AWS Security Engineer

Hiring Organisation
Apsley Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
data platforms on AWS (Glue, EMR, Redshift, Athena, RDS, OpenSearch, Kafka/MSK). Knowledge of secure coding practices in Python/Node/Java or your core development stack. Experience with policy-as-code and automated control enforcement (OPA/Conftest, tfsec, Checkov). Personal Attributes Highly collaborative ...

Senior Java Game Engine Developer

Hiring Organisation
Eligo Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum
experienced Senior Java Game Engine Developer looking for a new challenge? If you enjoy solving complex technical problems and creating reliable systems, this could be a great next step for you. BENEFITS : £80,000 to £90,000 per year, depending on experience, 30 days holiday, Private healthcare, Pension scheme, London … based, hybrid working 3 days work from home About the Role In this role, you will take ownership of developing, enhancing and maintaining Java based game engine components. You will work on core frameworks, introduce improvements that support new features, and contribute to tools that help with performance analysis ...

Senior Java Game Engine Developer

Hiring Organisation
Eligo Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
experienced Senior Java Game Engine Developer looking for a new challenge? If you enjoy solving complex technical problems and creating reliable systems, this could be a great next step for you. BENEFITS : £80,000 to £90,000 per year, depending on experience, 30 days holiday, Private healthcare, Pension scheme, London … based, hybrid working 3 days work from home About the Role In this role, you will take ownership of developing, enhancing and maintaining Java based game engine components. You will work on core frameworks, introduce improvements that support new features, and contribute to tools that help with performance analysis ...

Software Engineer Java AWS React - Start-up

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Software Engineer/Developer (Java AWS React) London/WFH to £80k Are you a technologist looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start … London; as the company grows there will likely be some in office requirements but with lots of flexibility. About you: You have strong Java, AWS and Kubernetes skills and also have a good appreciation of user interface/front end development using React or Tailwind CSS You have a strong ...

Senior Java Developer

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Permanent
Minimum of 15 years of broad IT experience with 10-12+ years proven Java development Experience of a broad range of development languages and technologies ;Java 8, 17, Spring, SpringBoot, Hibernate, JEE, Swing, MVC, Angular & AngularJS, JQuery, AJAX, JSON, HTML, CSS, XSLT, Webservice, JAXB, JSP, Tomcat, Apache, JBoss Enterprise … wide and keen interest on the evolution of technology. A team player with a positive and constructive attitude towards work and colleagues Perform Java development work to fulfil user requirements for enhancements and bug fixes in a fast moving and ever-changing environment. ...

Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX Our Investment Banking client is looking for an Algo trading Java developer to join the team to work on new initiatives and support for business critical algorithmic trading engines. The team provides innovative solutions for low touch … latency trading, which includes FIX connectivity, low latency market connectivity, smart order routing, algorithmic trading and internal crossing. The requirement is for a core Java developer. The team is working on a number of algorithmic engines that support benchmark algos, smart order routing and internal crossing. The main responsibilities ...

Senior Java Software Engineer

Hiring Organisation
Queen Square Recruitment
Location
London, UK
Employment Type
Full-time
days onsite per week) Contract Length: 6 Months Day Rate: £400–£450 per day (Inside IR35) About the Role We are seeking a Senior Java Developer to join a dynamic engineering team delivering high-impact digital transformation solutions for a major UK retailer. You will work with modern backend technologies … microservices, event-driven systems, and cloud-based architectures to build scalable, secure, and high-performing applications. Key Responsibilities Develop and maintain backend services using Java, Spring Boot, and Spring Security Design and implement microservices and event-driven architectures using Kafka Build and maintain CI/CD pipelines (GitHub Actions, Jenkins ...

Java Developer - (Java/Kafka/MQ Series)

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 525 Daily
urgently seeking a highly skilled SC Cleared Java Backend Developer to join a critical project with a high-profile Government Client . This is a key technical role focusing on a vital component of the client's technology landscape: migrating a legacy message queueing system to a modern, scalable platform ...

Pentaho Developer

Hiring Organisation
InfinityQuest Ltd,
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
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 click apply for full job details ...

Software Engineer (AI Agent Developer)

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 750 Daily
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 ...

Principal/Lead Android Engineer - Mobile Banking

Hiring Organisation
Vertus Partners
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 - 120,000 Annual
team management experience Ability to influence cross-functional teams and senior stakeholders Extensive experience building complex Android applications System design and architecture capabilities Kotlin, Java, and Jetpack Compose Experience with Agile methodologies, TDD, and CI/CD practices This is an excellent opportunity to help shape the future of digital ...

Fullstack Developer - UK (Fully REMOTE)

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £670/day
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 ...

Fullstack Developer - UK Fully REMOTE

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £670 per day
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 ...

Senior Software Engineer

Hiring Organisation
IPS Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £100,000 per annum
with rapid iteration. Ability to work with diverse stakeholders across climate, tech and insurance. Must have Insurtech OR Climate/Carbon background Experience with Java Interest in climate action and carbon-reduction science. Why it’s interesting Influence the technical direction from an early stage. Work with mission-driven colleagues. ...

Senior Machine Learning Engineer

Hiring Organisation
Information Tech Consultants
Location
London, UK
Employment Type
Full-time
Knowledge of Data analysis/Mining/Warehousing · Statistical Analysis · Linear Regression · Database Desired Skills : Experience with any of the following: · Python · Hadoop · R · Java/C++ Qualifications and Attitude: Master's (Required) in Data Science, Mathematics, Statistics, Economics, IT related fields and 10+ years of experience in Information Technology. ...

Full Stack Engineer (Remote)

Hiring Organisation
Hire Wave
Location
London, UK
Employment Type
Full-time
What We're Looking For Education: Bachelor's degree (or higher) in Computer Science or a related field. Technical Skills: Strong proficiency in Python, Java, JavaScript, or C++. Language Skills: Fluent in Spanish (required) and English (preferred). Writing Skills: Ability to explain programming concepts clearly in Spanish. Experience (Preferred ...

Full Stack Engineer (Remote)

Hiring Organisation
Hire Wave
Location
South London, UK
Employment Type
Full-time
What We're Looking For Education: Bachelor's degree (or higher) in Computer Science or a related field. Technical Skills: Strong proficiency in Python, Java, JavaScript, or C++. Language Skills: Fluent in Spanish (required) and English (preferred). Writing Skills: Ability to explain programming concepts clearly in Spanish. Experience (Preferred ...

Backend Developer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £110000/annum £110,000 -£130,000
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 ...

Backend Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £110,000 per annum
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 ...

Intermediate Software Developer (Data)

Hiring Organisation
Global Relay
Location
London, UK
Employment Type
Full-time
Superset, Looker, Metabase, SAP BI/SAC, MicroStrategy, Microsoft Power BI, Tableau, or Qlik. Familiarity with agile development methodologies. Nice to have Experience in Java Experience in test driven development Experience with continuous integration systems Company Benefits Private pension Bonus Full medical cover Dental care flexi working Free fruit Snacks ...

Design Systems Analyst

Hiring Organisation
Tandem Talent Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
geometry, BIM, parametric modelling, or animation. High proficiency in Rhino, Grasshopper, Revit, Dynamo, Microstation, CATIA/Digital Project, Generative Components. Programming skills: Python, C#, Java, Javascript, Processing, or VBA. Deep understanding of 3D workflows, geometry, and digital fabrication in the built environment. Strong communication, problem-solving, and team collaboration skills. ...

Gen AI Engineer

Hiring Organisation
AVENSYS CONSULTING (UK) LTD
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
Retrieval-Augmented Generation), and context-aware pipelines to ensure accuracy and relevance. Integrate AI models with enterprise systems, APIs, and data stores using Python, Java, or Node.js backends. Collaborate with architects to define scalable and secure AI service architectures. Experience in the following Implementing AI/ML pipelines for model ...