151 to 175 of 307 Java Jobs in London

Lead Full Stack Systems Developer

Hiring Organisation
Penguin Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
Software System Lifecycle of a product Experience of working with software systems/programmes within an environmental setting Demonstrable experience in the use of Java Middleware, API, Docker, and MQ systems Good working knowledge of performance and security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet ...

Software Engineer

Hiring Organisation
LinuxRecruit
Location
London, UK
Employment Type
Full-time
next tech unicorn, together, in the same room, ask the big players. What you'll need to succeed: Strong experience building production quality software (Java, TypeScript, or Python) Curiosity and adaptability: you learn new technologies quickly and apply them effectively Hunger and drive: you're comfortable working in ambiguous, fast ...

Lead Software Engineer SaaS

Hiring Organisation
Client Server
Location
West London, London, United Kingdom
Employment Type
Permanent, Work From Home
environment that encourages knowledge sharing and close collaboration. About you: You are an experienced backend focussed 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 ...

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 ...

Java Technical Lead

Hiring Organisation
Wipro
Location
London, UK
Employment Type
Full-time
provide professional services that help enterprises move faster, rethink processes and change the way their employees work. Job Description Were looking for a Java Technical lead to work in the UK on a fixed term contract basis. As a Java Technical Lead, you will be responsible for designing, developing … implementing secure systems while supporting the development and operation of Java software solutions. You will work with a range of tools in a technical environment that could include Gitlab, CloudFormation, Maven, Docker and other We are looking for someone who can be a Java subject matter expert, you should have ...

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. ...

Full Stack Engineer (Remote)

Hiring Organisation
Next Jobs
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
Next Jobs
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 ...

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. ...

Lead Mobile Developer - Flutter

Hiring Organisation
Tank Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
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 ...

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 ...