301 to 325 of 341 Java Jobs in London

PingOne AIC Senior Developer

Hiring Organisation
Intuition IT Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
configure, deploy PingOne AIC (Cloud). Automate deployments and configurations using tools fr-config Custom Workflows & Policies Develop custom authentication and authorization workflows using Java, JavaScript, or Groovy. Implement SSO, MFA, and federation using SAML, OAuth 2.0, and OpenID Connect. Directory & Integration Management Configure and integrate with LDAP or Active … Experience IAM Expertise Hands-on with PingOne AIC. Strong understanding of SSO, federation protocols (SAML, OAuth 2.0, OIDC). Technical Proficiency Development experience in Java, JavaScript, and/or Groovy. Familiarity with DevOps tools: Azure, Ansible, Terraform, CI/CD practices. Excellent Postman skills, and ability to automate and implement ...

Integration Engineer - Java 8, MQTT

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400.0 - £450.0 per day + £market rate (Outside IR35)
Integration Engineer - Java 8, MQTT £Market Rate (Outside IR35) Remote/London 3 Months My client is seeking an Integration Engineer to design and implement an integration layer using Java 8 and MQTT, supporting real-time processing and back-office updates. This is a hands-on engineering role involving development … testing, and close collaboration with customer stakeholders as the POC evolves into a production-ready solution. Key requirements: Strong commercial Java 8 development experience Proven background with MQTT integrations Experience with PostgreSQL databases Comfortable working in SuSE Linux Enterprise environments Ability to deliver clean, testable, maintainable code Strong communication skills ...

Senior Developer

Hiring Organisation
Tiro Partners Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Senior Software Engineer | Java | AI | London | £500-£600/day About the Role We are seeking an exceptional Senior Software Engineer with expertise in Java and AI to join our client, an established financial services brand, on a 6-month contract Outside IR35. This is a unique opportunity … lifecycle, working with the latest AI technologies including Claude Code, GitHub Copilot, MCP, LLMs. Senior Software Engineer will: Develop and maintain software applications using Java Implement AI solutions to enhance software functionality and accelerate development workflows Collaborate with cross-functional teams to define, design, and ship new features Leverage ...

Java Full Stack Engineer (SC eligible)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Java Full Stack Engineer - Consultant/Senior Consultant Location: UK (Hybrid Remote with client site travel) Salary: £45,000 - £75,000 + Benefits Security Clearance: SC cleared/eligible Hybrid working UK-wide Help transform public services through modern engineering click apply for full job details ...

Software Engineer

Hiring Organisation
StreetID
Location
Greater London, England, United Kingdom
technology team focused on building and enhancing risk platforms for a leading trading or investment firm. The ideal candidate will have strong expertise in Java development and deep experience working within quantitative or risk-focused environments, particularly in designing, developing, and optimizing systems that support real-time … scalable, high-performance platforms that process large datasets and support complex pricing and risk analytics across asset classes. Key Responsibilities Design, develop, and maintain Java-based risk platform components that support pricing, market data integration, and risk analytics. Collaborate with quantitative analysts and model developers to integrate risk models into ...

Graduate Developer in Test

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
around the world. As a Graduate SDET, you must have: BSc in Computer Science Degree from Russell Group University Strong comprehension of Core Java concepts and Computer Science fundamentals Hard-working & driven mindset In this position, you will gain extensive knowledge across a broad variety of technological topics: ✅ Automation testing … knowledge of REST APIs ✅ Software development experience in Java ✅ Identifying opportunities and executing improvements to quality process ✅ Developing automated tests and test frameworks ✅ Improving Continuous Integration pipeline ✅ Exposure to Docker, Kubernetes, SQL, Linus, Cloud deployments You will be joining a highly collaborative and smart engineering team, learning from some ...

Senior Software Developer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
Senior Software Engineer (Python/Java, AWS) London, Manchester or Cheltenham - primarily on site £60,000-£75,000 per annum basic salary, with some flexibility at the top end for the right candidate £15,000-£20,000 per annum in additional compensation related to clearance and wider benefits No clearance … flexibility can be discussed. From a technical standpoint, the team is looking for experienced software engineers with strong skills in either Python or Java alongside AWS, with the ability to work across a modern cloud environment. Beyond that, we aren't especially rigid: there are several areas within the programme ...

Java Developer - Equities Algo Trading x2

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 800 - 950 Daily
Role type - Contract role IR35 status - Inside Dat rate - £750 - £900 pd About the Role: A premier Tier 1 investment bank seeks an adept Java developer specialized in algorithmic trading to join their Electronic Trading Technology team. This position involves driving forward new projects and maintaining essential trading engines click ...

Site Reliability Engineer - SRE

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
scale systems sustain-ably through mechanisms like automation. Looking for someone from a software development background Ideal Candidate: Very strong engineering skills in Java, JavaScript or Python Open Telemetry experience Must have Core Java/Python Must have experience as an SRE knowledge of Python Data Structures Strong knowledge ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
team within the Pricing and Risk area , where youll work on our low latency, high-frequency trading platform . You will use cutting-edge Java programming techniques so experience in this area is essential . As a Senior Developer, youll not only code but also take on key design responsibilities … role that will require you to work within our London office (near Liverpool street) 5 days on site per week . WhatYoullDo Expert Level Java Development: You will apply your in-depth knowledge of the Java programming language (21 + ) to implement world class trading and pricing systems . Collaborative ...

Senior Data Scientist

Hiring Organisation
Emporia Consulting Group Limited
Location
East London, London, United Kingdom
Employment Type
Contract
Contract Rate
£800 to £1000 per day
paying up to £1000 per day, depending on experience. Experience and skills required for the Data Scientist, Advanced SQL, LLM, RAG, Machine Learning, Python, Java Development experience in one or more object-oriented programming languages (e.g. Python, Java). Thorough understanding of the underlying mathematical foundations of statistics and machine … other data scientists, data engineers' software engineers, data managers and business partners. Package for the Data Scientist, Advanced SQL, LLM, RAG, Machine Learning, Python, Java Paying up to £1000 per day, depending on experience ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
team within the Pricing and Risk area, where you’ll work on our low latency, high-frequency trading platform. You will use cutting-edge Java programming techniques so experience in this area is essential. As a Senior Developer, you’ll not only code but also take on key design responsibilities … require you to work within our London office (near Liverpool street) 5 days on site per week . What You’ll Do Expert Level Java Development: You will apply your in-depth knowledge of the Java programming language (21+) to implement world class trading and pricing systems. Collaborative Development: Design ...

Back End Developer

Hiring Organisation
Experis
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£520 - £570/day
looking for an experienced Backend Developer to join a high-impact project delivering scalable, reliable backend services. You'll work with modern Java-based technologies in a collaborative, delivery-focused environment, contributing to systems that are critical, secure, and built to scale. This is a contract role offering long-term … flexibility through remote working, and the opportunity to work on meaningful, production-grade systems. Key Responsibilities Design, build, and maintain robust backend services using Java Develop and integrate event-driven systems using Kafka Build and consume REST APIs to support internal and external services Collaborate closely with product owners, architects ...

ACBS Developer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
develop, and maintain solutions within FIS ACBS Customize and enhance ACBS Loan IQ/ACBS core modules (depending on platform scope) Develop and support Java/J2EE-based ACBS components Build and maintain interfaces between ACBS and upstream/downstream systems Perform batch processing, reporting, and data extraction activities Troubleshoot … Agile ceremonies and continuous improvement initiatives Produce technical documentation and support knowledge transfer Technical Skills Strong hands-on experience with FIS ACBS Proficiency in Java, J2EE, Spring, and related frameworks Experience with SQL, Oracle, or DB2 databases Knowledge of ACBS APIs, batch jobs, and reporting tools Experience with Unix/ ...

Senior Full Stack Engineer - FX e-Trading

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£900/day
talents, skills, and unique experience in an inclusive environment that helps them thrive. Senior Full Stack Engineer - FX e-Trading (React/TypeScript + Java) Location: London (minimum 2 days per week onsite) Contract: 12 months About the role We're looking for two experienced Senior Full Stack Engineers … brand-new FX e-trading platform . You'll be responsible for delivering full-stack features across React/TypeScript front-end applications and Java backend services , ensuring high performance, resilience, and reliability for real-time trading workflows. What you'll do Lead design and development of full-stack features ...

Senior Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London Area, United Kingdom
Member of Technical Staff (Go/Java/Rust) Up to 150,000 + Bonus + Benefits On-Site, London We are working with the first post-LLM open banking platform . The company is looking to add several Senior Engineers to their team in Liverpool Street, London. The platform … Cursor . If you have not used these or similar tools yet. This position is probably not for you. Backend Engineering experience using either Java, Golang or Rust. Experience working with Kafka/event-driven systems . Package & Benefits Up to 150,000 Base Salary + Bonus Medical & Dental Insurance ...

Lead Technical Architect - Strategy, Integration, Microservice, Government, DV cleared

Hiring Organisation
Bangura Solutions
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
scalable, high-performance architecture solutions across multiple domains, ensuring alignment with business goals and technical best practices. Microservices Development: Design, implement, and optimize Java/Spring Boot microservices, with a focus on modularity, security, and maintainability. Cross-Domain Integration: Develop strategies for integrating diverse systems and data sources, ensuring reliable … industry trends, advocating for innovative solutions and continuous improvement within the team. Ideal Candidate Profile: Extensive experience in designing and implementing microservice architectures using Java and Spring Boot. Proven track record of leading cross-domain integration projects. Strong communication skills with the ability to liaise effectively with senior stakeholders. Deep ...

Senior Backend Developer

Hiring Organisation
Inspire People
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day, Negotiable
Senior Backend Developer (Java/Kotlin). Public Sector Contract. Transform Crime Data Management and Make a Difference. Up to £700 a day Inside IR35. 6 Month contract. Hybrid working from a hub of UK wide offices. Join the Electronic Monitoring team, a dedicated group focused on revolutionising … performance. Skills and Experience Required for the Senior Backend Developer: - Proven experience in backend development, ideally within a microservices architecture.- Proficiency in modern Java or Kotlin for backend development.- Strong knowledge of AWS infrastructure, including deployment, hosting, and service management.- Experience with secure data handling and compliance requirements.- Familiarity with ...

Senior Software Engineer

Hiring Organisation
Ripple
Location
London, England, United Kingdom
software problems and implement them for production cloud deployments WHAT YOU'LL BRING: Experience building highly scalable and performant enterprise software Working knowledge of Java and its ecosystem (i.e. threading, concurrency ... etc). A positive attitude and a passion for sharing knowledge - the go-to person on the team … small and large questions Interest in fintech, markets, and trading is a must. knowledge or high interest in our main tools: Java, event-driven architectures (AMQP or similar), gRPC, service meshes, etc. Obsession with finishing projects properly, with good stakeholder management, communications, and documentation. WHO WE ARE: Do Your Best ...

Head Of Engineering Java React Remote

Hiring Organisation
Interact Consulting Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
capable team delivering a cloud-native, API-driven platform that transforms global healthcare. This role is hands-on (approximately 5% of your time in Java), while also sh click apply for full job details ...

Integration Engineer - Java 8, MQTT

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 450 Daily
Integration Engineer - Java 8, MQTT £Market Rate (Outside IR35) Remote/London 3 Months My client is seeking an Integration Engineer to design and implement an integration layer using Java 8 and MQTT, supporting real-time processing and back-office updates click apply for full job details ...

Software Engineer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 60 - 80 Hourly
Software Engineer (Java/Fintech) London 6-Month Contract Role: Backend Software Engineer Team: RegTech (Fintech Business Unit) The Stack Primary: Java (Expert level) & Microservices. Data: Cassandra, Hadoop, MySQL. Cloud: AWS (Kinesis, Step Functions, EC2) click apply for full job details ...

Product Engineer

Hiring Organisation
Revoco
Location
City of London, London, United Kingdom
engineers who want genuine ownership, autonomy, and the chance to build software that truly matters. This role is perfect for engineers who started as Java developers but have grown to work across multiple languages, frameworks, and stacks. If you like solving problems, shaping products, and exploring new technologies, this role … looking for This role suits engineers who are product-minded problem solvers , not just implementers. You’ll likely bring: Strong backend engineering experience ( Java is ideal, but mindset matters more than language) Comfort working across different technologies (e.g. Java, .NET, Python, Go, microservices) Experience in product-led teams Confidence operating ...

Software Engineer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £80 per hour
Software Engineer (Java/Fintech) | London | 6-Month Contract Role: Backend Software Engineer Team: RegTech (Fintech Business Unit) The Stack Primary: Java (Expert level) & Microservices. Data: Cassandra, Hadoop, MySQL. Cloud: AWS (Kinesis, Step Functions, EC2). Focus: Distributed systems, batch processing, and data integrity. The Mission Build and scale automated ...

Software Developer

Hiring Organisation
True North Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
Software Developer (Java/Scala) Location: Hybrid – Newcastle, Edinburgh, Glasgow, Leeds, Manchester, Birmingham, London Permanent £50-70k (Active SC/Eligible for SC clearance) Our client is looking for several people to join a growing team. Technical Skills Strong expertise in Java or Scala (preferred) Experience with languages such ...