1 to 25 of 52 Java Jobs in the City of London

Solutions Architect

Location
City Of London, England, United Kingdom
chatbots, voice/conversational interfaces, RPA, Machine Learning, etc. In-depth, hands‐on experience in developing web/mobile applications or platform with either Java/J2EE or .NET tech stack and database technologies such as Oracle, MySQL, etc. Exposure to polyglot programming languages like Scala, Python and Golang will ...

Java + CloudNative

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
seeking a highly skilled Specialist with 5 to 7 years of hands-on experience in Core Java, React, and cloud-native architecture to join our client's Investment Banking engineering team. In this role, you will design, build, and maintain high-throughput, low-latency applications tailored for risk management systems. … client. Key Responsibilities End-to-End System Design & Development: Architectural design and development of robust microservices and interactive user interfaces using Core Java, Kotlin, Spring Boot, and ReactJS. Real-Time Data Processing: Build and maintain scalable event-driven architectures utilizing Apache Kafka and Apache Flink for real-time risk data ...

Senior Developer

Location
City Of London, England, United Kingdom
means essential. Technical Skills & Knowledge Strong programming skills in Python and TypeScript, with experience of SQL and cloud-based development. Experience with C#, Java or other programming languages would be an advantage. A solid understanding of APIs, authentication, web services, data formats and relational databases. Experience developing internal applications, automations ...

Lead DevOps Engineer

Location
City Of London, England, United Kingdom
while remaining an active hands-on contributor across DevOps, automation, infrastructure, and platform engineering initiatives. Build and improve automated CI/CD pipelines for Java and Python applications across multiple environments. Automate infrastructure provisioning, deployment, configuration, database schema creation, and operational workflows across cloud and on-prem platforms. Support production ...

Senior Java Architect - Payments

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
Senior Java Architect - Payments Location: London (Hybrid) Contract: 6 Months Initial Pay Rate: £550-£600 - Outside IR35 About the Role We're supporting a global financial services organisation undergoing a significant banking transformation programme. As part of this journey, they are building next-generation banking capabilities and modernising core platforms … that support cross-border payments, settlement, reconciliation, and banking operations. We are seeking an experienced Java Engineering Architect to provide technical leadership across backend engineering, architecture, and delivery. This role will play a key part in shaping modern banking platforms built on cloud-native technologies, microservices, event-driven architecture ...

Senior AI Engineer

Location
City Of London, England, United Kingdom
/CD, modern SDLC, TDD, and code review. Data: Working with relational, columnar, and vector stores, grounded in sound data-modelling principles. Languages: Python, Java, TypeScript/JavaScript, SQL, and relevant AI SDKs. Mentoring: Developing skills in mentoring engineers through pair programming and day-to-day collaboration. Communication: Clear written ...

AI Test Engineer (SC Cleared)

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
solutions across the full lifecycle Hands-on expertise with Microsoft-based environments (e.g. Azure testing tools, AI platforms) Proficiency in one or more: Python, Java, JavaScript, SQL, or R Proven experience in: AI/Generative AI testing RAG (Retrieval-Augmented Generation) solution validation (e.g. RAGAS framework) CI/CD, DevOps ...

Java Software Engineer III

Location
City Of London, England, United Kingdom
We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorganChase within the Corporate & Investment Bank Payments tech team you ...

Salesforce Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
related discipline. - Around 2+ years' experience in software engineering, application development or Salesforce development. - Experience with at least one modern programming language such as Java, C#, JavaScript, TypeScript, Python or Apex. - Understanding of software engineering fundamentals including APIs, data modelling, testing, version control and CI/CD. - Knowledge of Salesforce ...

Senior Software Engineer, C/FICCO Data

Location
City Of London, England, United Kingdom
both new and existing systems. Provide on‐call support as needed. Qualifications A minimum of 2+ years’ experience using at least one of Python, Java, and C++, and can work comfortably in multiple programming languages A track record of working directly with end customers, scoping and delivering production systems ...

Full Stack Developer

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£1000/day
looking for a Full Stack Developer to join their team. The role will be working development and implementation of applications used across trading. Requirements Java, Springboot, Microservices UI - Angular, Typescript, JavaScript - (open to react also) Kafka, MQ, FIX Protocol Investment Banking or Investment Management experience. AI Driven Development tools, Claude ...

Application Security Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
SAST/SCA tools such as Snyk, Veracode, Checkmarx or similar - Proficient in one or more of the following languages - Python, JavaScript, .NET or Java - Demonstrated experience with development tools including GitLab/GitHub, Datadog, Jira, Docker, and various IDEs Desirable Skills/Experience: - Experience with cloud services, particularly ...

Software Engineer-Affiliate Partnerships

Location
City Of London, England, United Kingdom
strengthen architectural foresight.Work onsite in London.Minimum QualificationsBachelor's degree in Engineering, Computer Science, Mathematics, or a related technical field.3+ years of experience in Java programming and Spring Boot.Passionate about technology and continuous improvement, demonstrating exceptional coding proficiency, a commitment to clean and elegant code, and a keen interest in exploring ...

Senior Java Engineer Payments

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior Java Engineer - Payments £60,000 TO 80,000 GBP Onsite WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Senior Java Engineer - Payments UK Wide or Dublin | Remote First | Permanent We are currently recruiting for an experienced Senior Java Engineer to join a leading technology consultancy delivering large … banking stakeholders to build highly scalable, secure and resilient payment solutions. ICON IPF experience is essential for this position. The Role As a Senior Java Engineer, you will: Develop and deliver large-scale payment solutions using Java 11, Spring Boot and microservices . Work extensively with ICON IPF within complex ...

Principal Software Engineer Java Spring Boot AWS

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Principal Software Engineer/Developer (Java Spring Boot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer you will lead client … sites), you'll join a friendly, diverse, upbeat team. About you : You have experience within a financial services or Fintech environment You have strong Java development skills including multi-threading and concurrency You have experience with Spring Boot and microservices environments You have a good knowledge of REST APIs ...

Senior DevOps Lead - Low-Latency Trading, Hybrid

Location
City Of London, England, United Kingdom
latency trading infrastructure across cloud and on-prem environments. You will provide technical direction, mentor engineers, and lead CI/CD pipelines for Java and Python apps while partnering with security, operations, and platform teams to improve reliability and observability in a global, hybrid setup. #J-18808-Ljbffr ...

Senior AI Engineer - Agentic AI Prototyping & Mentor

Location
City Of London, England, United Kingdom
scalable AI-enabled solutions. You will mentor juniors, conduct pair programming, and help implement best practices across development environments. You will work with Python, Java, TypeScript/JavaScript, and SQL, building agentic AI workflows, and ensuring robust CI/CD delivery in a #J-18808-Ljbffr ...

Senior Data Platform Engineer (Data Lake and Catalog)

Location
City Of London, England, United Kingdom
Experience delivering end-to-end solutions with a focus on scalability, reliability, and observability. Strong knowledge of the JVM and server-side Kotlin/Java programming. Solid understanding of the Hadoop ecosystem, including Spark, Hadoop, and Hive. Strong experience with cloud platforms and data infrastructure, especially AWS, including ...

Java & React Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum Market Rate/ Negotiable
Title: Full-Stack Developer (Java & React) Location: London, UK (Hybrid - 3 Days Office/2 Days Remote) Employment Type: Permanent/Full-Time About the Role: We are seeking an experienced Full-Stack Engineer (5-7 years) to join a leading global financial institution in London. You will design, build … maintain high-performance, cloud-native applications supporting critical financial operations. Key Responsibilities: Design and deliver end-to-end applications using Java (Spring Boot) and React . Build scalable backend microservices, REST APIs, and gRPC services. Utilize Kafka for real-time event streaming and data processing. Deploy and maintain applications ...

Java Developer | Investment Banking | Hybrid, London

Location
City Of London, England, United Kingdom
Java Developer (London, Hybrid) Location: London UK Working Mode: 3 days on site in City of London IR35 Categorisation: Inside Rate: £600 per day We're looking for a Java Developer to join our client (Investment Banking) in a hybrid working model (London, 3 days per week). You will … office processing Provide technical expertise and recommendations for enhancements of existing applications and evaluation of new initiatives Develop clean, secure, and efficient code in Java and Python and work with scripting tools such as PowerShell or Bash Conduct code reviews, unit testing, and participate in application architecture discussions Ensure compliance ...

Senior Solutions Architect: Cloud, Microservices & DevOps

Location
City Of London, England, United Kingdom
Platforms, engaging with business and IT to map strategy to technology. Strong client-facing experience and travel up to 40% are expected. Expertise in Java/J2EE or .NET, cloud migration, and Agile/DevOps practices will be essential to deliver scalable, modern platforms. #J-18808-Ljbffr ...

Global Banking & Markets - Quantitative Developer, Systematic Market Making - Associate - London

Location
City Of London, England, United Kingdom
Qualifications Advanced degree in relevant technical field such as Computer Science or Financial Technology. 2-5 years of relevant work experience. Proficiency in either Java or C++. Extensive experience with designing and implementing algorithms for US trading. Experience in data-driven trading strategy performance analysis and optimizations. Strong communication skills ...

Senior Full Stack Kotlin Developer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
full software development lifecycle. You'll: Lead the development of user-centred, production-ready software Design and build robust, scalable backend services using Kotlin, Java and Spring Boot Develop and integrate RESTful APIs and microservices Work collaboratively with multidisciplinary teams to solve complex client problems Take ownership of development … software development, with Kotlin at the heart of your recent experience . Essential Solid, current experience developing in Kotlin and the JVM ecosystem Strong Java development background Extensive experience across the full software development lifecycle Strong experience with Spring Boot and the wider Spring Framework Experience designing and developing microservices ...

Corporate Treasury - Quantitative Engineer - Vice President - London

Location
City Of London, England, United Kingdom
engineering, or computer science, with a preference for Masters and PhDs. Strong programming skills in an object oriented or functional paradigm such as C++, Java or Python. Excellent written, verbal, and team-oriented communication skills. Experience in quantitative finance role , building risk system and use of AI-based tools ...