151 to 175 of 261 Java Jobs in London

IDAM Back-end Java Developer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £535/day
IDAM Back-end Java Developer - SC Cleared Rate: £500 - £535 a day IR35 : Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking … back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their IDAM service ...

Senior Java Engineer (Payments)

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
Java Engineer - Payments/IFT London - 2 days in the office 6 Months Contract Inside IR35 £500 a day A top tier consultancy firm is looking for an experienced Java Engineer with a background in payments to contribute to a large payment modernisation programme. You will be instrumental in deploying … compliance with ISO 20022 standards. Essential Skills 5 + years of hands on experience in a Java11 and spring boot 5 + Years in Java Engineering. Proven track record delivering large-scale systems for major banking clients. Minimum of 3 years' hands-on experience specifically with ICON IPF (Instant Payments ...

Senior Java Engineer (Payments)

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day
Java Engineer - Payments/IFT London - 2 days in the office 6 Months Contract Inside IR35 £500 a day A top tier consultancy firm is looking for an experienced Java Engineer with a background in payments to contribute to a large payment modernisation programme. You will be instrumental in deploying … compliance with ISO 20022 standards. Essential Skills 5 + years of hands on experience in a Java11 and spring boot 5 + Years in Java Engineering. Proven track record delivering large-scale systems for major banking clients. Minimum of 3 years' hands-on experience specifically with ICON IPF (Instant Payments ...

Embedded Software Test Engineer

Hiring Organisation
Expert Employment
Location
North London, Garden Suburb, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum Full Packagy
Understanding of the Software Development Lifecycle, especially testing and integration Experience testing Windows and PC-based software Knowledge of scripting or programming (Python, Bash, Java, etc.) Degree in Engineering, Computer Science, or related field ...

Salesforce Engineer | £400 – £450 | Outside IR35 | 6 Months | Remote First

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
testing Drive modern engineering practices and support AI-assisted development tools Resolve technical debt, improve performance, and ensure scalable architecture Requires strong Salesforce Apex, Java, CI/CD, integrations, automation, and refactoring experience Previous experience working in Fintech or regulated environments is beneficial What to do next If this Salesforce ...

Principal Engineer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
deliver complex, high-value initiatives Mentor senior engineers and influence technical direction across teams What They’re Looking For Strong backend development experience using Java and Spring Boot Deep experience with Elasticsearch. Proven track record designing scalable, distributed systems Experience operating across multiple teams or domains Strong stakeholder management ...

Quantitative Analyst

Hiring Organisation
Spectrum IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £120,000 per annum
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 ...

Android Developer (Contract)

Hiring Organisation
La Fosse
Location
London Area, United Kingdom
maintainable code Participate in code reviews and mentor junior engineers Contribute to CI/CD pipelines and release processes Technology Stack Languages: Kotlin (primary), Java (legacy) Architecture: MVVM, Clean Architecture UI: XML and/or Jetpack Compose Networking & Data: REST APIs, Retrofit, Coroutines/Flow Android: Jetpack (ViewModel, Navigation) Testing ...

Quantitative Analyst

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £120000/annum
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 ...

Computing Teacher

Hiring Organisation
Worldwide Education & Care
Location
South East London, London, United Kingdom
Employment Type
Temporary
Salary
From £115 to £176 per day Dependant on experience, qualifications and
systems About You Qualified Teacher Status (QTS) or equivalent Strong subject knowledge in Computing or Computer Science Ability to teach programming languages (e.g., Python, Java, or similar) Confident classroom practitioner with effective behaviour management skills Passionate about technology and inspiring young people Commitment to raising achievement and continuous professional development ...

T24 Developer - Transact

Hiring Organisation
Hireful
Location
Central London, London, United Kingdom
Employment Type
Permanent
. Excellent understanding of T24 TAFJ running on MS SQL database. Understanding the challenges of upgrading T24 from the TAFC/jBase environment. Excellent Java development skills for T24. Solid experience in T24 integration, interfacing and customisation of Browser Excellent opportunity to join a great bank for the long term ...

Python Quant Dev - Cash Equities/Algo/Backtesting/Trading/Market Making

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
consulting capacity to optimise use of trading products Key Skills & Experience Strong quantitative mindset with passion for data and research Strong Python development skills (Java exposure beneficial but not core) Experience with electronic trading strategies and market microstructure Knowledge of European equities markets Exposure to distributed systems and large-scale ...

T24 Technical Specialist (Temenos Transact)

Hiring Organisation
Hireful
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
Strong experience with Temenos Transact T24 (including R24, AA, TPH, SC, RP modules) Expertise in TAFJ , MS SQL , and jBC development Working knowledge of Java within T24 environments is desirable . Proven experience in integrations, APIs, and system customisation (Browser) Solid understanding of banking products and core systems ...

Java Developer - Hedge Fund (London, Hybrid)

Hiring Organisation
Winston Fox
Location
City of London, London, United Kingdom
Java Software Engineer with around 3-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. … Corporate Functions. The team deal directly with business users right across the firm, taking ownership of analysis, design, architecture, and implementation, working primarily with Java, but also with Python, SQL and to a lesser extent, MATLAB. They currently have an opening for a mid-level hire in the team, with ...

Mid-Level Games Developer

Hiring Organisation
Sing King
Location
London Area, United Kingdom
deeply about the end user experience, possess a strong desire to learn, and feel comfortable with at least one statically compiled language (C#, C++, Java, Swift, Rust etc). Technical Diligence - You value version control and code review, you are architecturally curious, you maintain documentation. You advocate for your ideas ...

Server-Side Java/AWS engineer

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
Senior Java/AWS Engineer - Regulatory Reporting (Financial Services) London (Hybrid) | Permanent We're hiring a Server-Side Java/AWS Engineer to join a global investment management firm's regulatory reporting team. This is a great opportunity to work on business-critical systems that support transaction reporting across EMEA …/APAC. What you'll do: Build scalable microservices using Java (Spring Boot) on AWS Develop RESTful APIs and cloud-native solutions Work on regulatory reporting platforms with real business impact Collaborate closely with product and business teams Tech stack: Java (17+), Spring Boot, AWS (Lambda, S3, DynamoDB), REST APIs ...

Full Stack Engineer

Hiring Organisation
Understanding Recruitment
Location
London Area, United Kingdom
Looking to join a company when you can make a real impact? Do you have 4+ years commercial experience developing software with Java & JavaScript? 🚀 Full Stack Engineer – SaaS Solutions 🚀 💰 Salary – up to £75k + bonus 📍 Location – hybrid working 2 days a week in modern London office I am excited … Defense, HM Treasury, and the Departments of Work & Pensions and International Trade. They are looking for a motivated Full Stack Engineer with experience with: Java Spring Boot Microservices JavaScript Frontend frameworks: they use Vue.js but are also open to React and Angular Containerisation using Docker, Kubernetes Developing cloud-native applications ...

Scala Engineer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£55 - £79 per hour
pipelines and infrastructure as code Writing clean, testable, maintainable code Participating in code reviews, pairing, and team delivery Tech Stack & Environment Backend: Scala, Java (Python desirable) Frontend: HTML, CSS, JavaScript Frameworks: Play, Spark Data: Postgres, MongoDB, Hudi Cloud: AWS (S3, ECS, Aurora, Lambda) DevOps: Jenkins, Airflow, Terraform Monitoring: Kibana, Grafana … build it, you run it' What We're Looking For Strong experience as a Scala/Software Engineer Solid backend development skills (Scala/Java) Experience with SQL and NoSQL databases Familiarity with AWS and modern DevOps practices Experience working in Agile, multidisciplinary teams Strong analytical and problem-solving skills ...

Principal Technical Consultant - Automation

Hiring Organisation
TEN10 SOLUTIONS LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
part of a team that values collaboration, innovation, and the growth of every individual. Tailored Growth: Access exceptional training, professional certifications (AWS, Azure, Java, etc.), and a clear path for development. Flexibility: Our hybrid working model gives you the balance you need. The Role As a Principal Technical Consultant … senior level, establishing organisational networks and engaging other senior leaders. Technical Depth: Professional knowledge of object-oriented design patterns and modern languages such as Java, TypeScript/JS, Python, C#, or Scala. Modern Architecture: Solid understanding of cloud services (AWS/Azure/GCP), microservices, observability, Infrastructure as Code ...

Senior Software Engineer

Hiring Organisation
Awin
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
supported by open feedback loops. We are moving towards a cloud-first architecture with a strong focus on AWS, working with technologies such as Java/Spring, AWS Lambda, Node.js, Kafka, SQL/NoSQL databases, and more. Key Tasks Work within a small, collaborative team using agile methodologies and practices … marketing domain. Skills & Expertise 6+ years of professional software engineering experience Strong foundation in OOP and comfort working with multiple programming languages, ideally incl. Java/Spring Passion for clean, maintainable code with a strong understanding of SOLID principles Hands-on experience designing AWS-based systems, microservices with REST APIs ...

Senior Software Engineer - Front End

Hiring Organisation
mkodo
Location
London, England, United Kingdom
collaborating across disciplines and contributing wherever business needs require. Core areas of depth may include one or more of: Web/Front-end engineering Java/AWS backend and distributed systems React Native Android (Kotlin) iOS (Swift) Successful candidates demonstrate deep expertise in at least one of these areas while … equivalent. Deep expertise in at least one of: Modern web/front-end engineering (TypeScript/JavaScript frameworks) React Native Android (Kotlin) iOS (Swift) Java/AWS backend engineering and distributed systems Demonstrated ability to work across multiple parts of the stack. Strong understanding of modern software engineering principles ...

Backend Software Engineer

Hiring Organisation
STS Digital Group
Location
City of London, London, United Kingdom
Backend Software Engineer STS Digital (www.stsdigital.io) is a leading regulated digital asset trading firm specializing in OTC trading and market making. While trading is headquartered in Bermuda, technology development is provided by a vibrant global ...

Senior Java Developer x 3

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£825 - £850/day Up to £850pd Umbrella
currently working with a London-based financial services client who are actively seeking 3 Senior Java developers to assist in the development and maintenance of a business-critical system in the Equity Derivatives space. What you'll need to succeed : 10+ years' server side Java development experience. Strong commercial software ...

java software support/Production support

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
compensating time-off per policy. Minimum qualifications: Bachelor’s degree (or equivalent experience) and 3+ years in software engineering or production support. Proficient in Java or a similar language; strong debugging skills and ability to write scripts for diagnostics and updates. Familiarity with Linux and bash. Clear, empathetic communicator capable … desks at a large investment bank. SQL proficiency for rapid data validation and incident triage. Experience with object-oriented programming and microservices-based Java/SOA environments. Monitoring/alerting setup and tuning (e.g., Prometheus, Grafana, Kibana, PagerDuty). Knowledge of Fixed Income products (Rates, Credit, FX, Commodities) and related ...

Backend Java Engineer

Hiring Organisation
Alexander Mann Solutions - Contingency
Location
London, United Kingdom
Employment Type
Contract
across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Backend Java Engineer for a 6 month contract based in London (2 days per week) with remote working available (hybrid). Purpose of the role: Join … issues. Support and oversee junior engineers and act as a subject matter expert. The skills you'll need: Solid practical and theoretical knowledge of Java software development. Strong experience of Spring Boot/Micronaut. An understanding of Kubernetes/Docker. Excellent understanding of AWS (deployment/configuration) Message-driven architectures ...