1 to 25 of 120 Java Jobs in the City of London

Senior Java Software Engineer

Hiring Organisation
TetriQ Solutions
Location
City of London, London, United Kingdom
Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing … conducting code reviews, troubleshooting complex technical issues, and driving innovation with new technologies. Key Responsibilities: • Team Leadership: Lead, mentor, and guide a team of Java developers in the development lifecycle. • Project Management: Oversee Java development projects from conception to completion, ensuring alignment with project requirements and timelines. • Technical Expertise: Design ...

Angular Developer with Python

Hiring Organisation
Net2Source (N2S)
Location
City of London, London, United Kingdom
developer or similar role working within Agile frameworks and associated architectures design coding languages and testing deployment tools including the following Python, Angular 6, Java, JavaScript, JSON, CI/Cd pipeline build deployment tools eg Bamboo, Micro services APIs, Cloud experience AWS Azure, API integration experience REST preferred, understanding … changes from development to production · Compliance with the organizations control policies and procedures Primary Skills · Frontend Backend Development Angular 6 Python JavaScript JSON java · Cloud Architecture AWS S3 API Gateway EC2 RDS cloudnative and microservices architecture · API Integration RESTful APIs thirdparty and inhouse system integrations · DevOps CICD CICD pipelines ...

Senior Software Engineer

Hiring Organisation
Hlx Life Sciences
Location
City of London, London, United Kingdom
code, testing, and CI/CD best practices Mentor junior engineers and support technical decision-making Required Skills & Experience Strong programming experience in Python, Java, or Go Experience building backend services, APIs, and distributed systems Strong knowledge of cloud platforms (AWS, GCP, or Azure) Experience with containerisation and orchestration (Docker ...

API Automation Engineer

Hiring Organisation
Impellam Group
Location
City of London, London, United Kingdom
Financial Services Lorien's leading banking client is looking for a skilled API Automation Engineer with strong experience of with Rest API testing in Java to join our London-based team. The ideal candidate would have experience of working with Cloud Technologies and Streams-process platforms. This role is based … Umbrella. Working in a Hybrid Model of 2 days a week on site. Key Skills and Experience Rest API automation testing in Java Java library and framework: Lombok, Spring Boot Stub testing experience: yaml, wiremock or Mockito, SOAP API testing Programming languages experience in OOP: Java or C# tools used ...

Senior Java Developer / SRE Specialist

Hiring Organisation
GL Global
Location
City of London, London, United Kingdom
Senior Java Developer/SRE Specialist We are seeking a Senior Java Developer with strong SRE expertise to join a major production management transformation programme within a global investment bank. This role sits at the intersection of software engineering and site reliability, with a focus on modernising how critical banking … platforms are designed, built, and operated at scale. We are specifically looking for a hands-on Java expert who combines deep architectural knowledge with SRE principles - someone who can design robust systems while actively contributing to code, automation, and reliability engineering in a highly regulated environment. You will play ...

Data Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £560 per day
collaborating with skilled professionals to deliver high-quality results. What you'll be doing: Design, develop, and maintain scalable data pipelines and microservices using Java and Spring Boot. Containerise applications with Docker and deploy them efficiently. Integrate data from multiple sources, ensuring flows are clean, reliable, and consistent. Optimise pipeline ...

Full Stack Engineer

Hiring Organisation
BNY
Location
City of London, London, United Kingdom
Scrum or Kanban. Hands-on AI development using modern tools and IDEs (e.g., Windsurf) and familiarity with integrating AI into products. Strong expertise in Java (preferably Spring) and architectural patterns for scalable, observable, and testable systems. Proficiency in modern engineering practices including CI/CD (e.g., GitLab), automated testing (JUnit ...

Full Stack Engineer ( Banking )

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
experience building modern web and mobile applications across frontend and backend Proficient with modern frontend frameworks (e.g. React, TypeScript) and backend technologies (e.g. Node.js, Java, Python, or similar) Solid experience with CI/CD pipelines and DevOps tooling (e.g. Jenkins, Ansible), with exposure to containers and Kubernetes Deep understanding ...

Full Stack Engineer /Software Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £80/hour Negotiable
distributed environment that prioritizes engineering excellence: Core Stack: React, Next.js, and TypeScript. Architecture: Micro-frontends (Capla/Vue) and Module Federation. Data: Integrating with Java/Spring Boot services via REST and GraphQL. Cloud & DevOps: Kubernetes (BKS), AWS, and advanced observability (Metrics, Dashboards, Alerts). What You Will ...

Artificial Intelligence Specialist

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
with production engineering rigor: microservices, containers (Docker/K8s), serverless, CI/CD Solid programming skills (one or more): Python, TypeScript/JavaScript, Java, C# Experience with APIs and integration patterns: REST/gRPC, event-driven systems, queues, workflow engines Security & Governance (Must Have) Understanding of GenAI-specific threats: prompt ...

Senior DevOps Engineer - Leading Systematic Hedge Fund - London

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
equivalent IaC tools) Experience working with bare metal infrastructure (non-cloud/hybrid environments) Solid scripting or development skills (Python, PowerShell, C# or Java) Familiarity with Linux systems and platform-level engineering Experience with cloud (AWS/Azure), CI/CD tooling, and monitoring stacks (Prometheus, Grafana, ELK) is beneficial ...

Java Software Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13 billion. Job Description- Job Title: Senior Java Engineer Must Haves- Java, Kafka, Microservices, Spring Boot, Postgres and AWS The Opportunity: We are looking for ambitious and motivated individuals who are keen … enabling customers to manage their finances and protect and build their financial futures. Purpose: To cope with our expansion, we are looking for Senior Java Engineers to join our mission and help us build a global product that's scalable, reliable and secure. You will work in tribes alongside product ...

Java Backend Developer

Hiring Organisation
Infoplus Technologies UK Limited
Location
City of London, London, United Kingdom
Role: Java Backend Developer Location: London, UK Duration: Contract Job Description: Essential skills/knowledge/experience: 5–10 years of overall software development experience, with minimum 4+ years of hands on Java development Strong experience with Java 9+ Proven expertise in Spring Framework (Spring Boot, Spring MVC, Spring Core ...

Senior Full Stack Engineer

Hiring Organisation
Access Computer Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £440/day
operated large-scale systems end-to-end, not those with superficial exposure or purely design-focused experience. Candidates must have strong experience of Java Full Stack, React, Kubernetes & Docker. Experience in building responsive, component based user interfaces using modern front end frameworks. Hands on expertise in API design and development ...

Back End Developer

Hiring Organisation
Gold Group Ltd
Location
City of London, London, United Kingdom
environment Rapidly prototype ideas and help scale them into reliable production systems Occasionally contribute small frontend updates (React/TypeScript) Tech Requirements Must have: Java or Kotlin, Spring Boot MySQL, OpenSearch, AWS Nice to have: Groovy, Ruby on Rails, React/TypeScript Candidate Profile Several years’ backend engineering experience Prior ...

Data Engineer

Hiring Organisation
TechByte Talent Ltd
Location
City of London, London, United Kingdom
platforms (AWS, Azure, GCP) Knowledge of security frameworks: LDAP, Active Directory, OAuth2, Kerberos Nice to Have: Starburst Certified Practitioner certification Python and/or Java experience Ansible or similar automation tooling Dell Data Lakehouse administration experience Occasional out-of-hours availability may be required for project go-lives. ...

Senior Software Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
adopt modern cloud-native technologies and best practices Promote high engineering standards across code quality, testing, and automation Skills: Strong backend engineering capability (Golang, Java, or .NET) Strong hands-on experience building and operating distributed systems in cloud environments (AWS or GCP) Kubernetes and container orchestration experience Infrastructure as Code ...

Quantitative Developer (Global Hedge Fund)

Hiring Organisation
Venture Search
Location
City of London, London, United Kingdom
live trading environments Ensure best practices in software development, testing, and documentation Required Qualifications Strong programming skills in C#, Python and/or C++ (Java or other languages a plus) Solid understanding of data structures, algorithms, and software engineering principles Experience working with large datasets and time-series data Familiarity ...

Quality Assurance Automation Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
adoption and expansion of test automation across the wider QA community. Your Skills and Experience You bring • Strong commercial experience in QA automation using Java or Kotlin. • Hands‐on use of AI tools to enhance productivity. • A deep understanding of OOP principles. • Proficiency in HTML, CSS, JavaScript, and modern ...

Engineering Manager - Software & ML

Hiring Organisation
Capital One UK
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Excellence: Proven experience leading and supporting software engineering teams to achieve business goals. Technical Breadth: Excellent knowledge of RESTful API development in modern languages (Java, Python, or .Net) and experience with Cloud environments (AWS or Azure). AI Awareness: You aren't necessarily a researcher, but you have expectations ...

Global Banking & Markets - Trading Systems Support Engineer - Associate/Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Site Reliability Engineering (SRE) practices, including automation, monitoring, and incident response. Proficiency in at least one scripting or programming language (e.g., Python, Shell Scripting, Java, C++) for automation, tooling, and operational tasks. Experience with distributed systems design, maintenance, and troubleshooting. Knowledge of financial markets, electronic trading workflows ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role … offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput ...

Java Developer with DevOps

Hiring Organisation
Net2Source (N2S)
Location
City of London, London, United Kingdom
Title – Java Engineer - DevOps Location – London, UK Mode of Work – Hybrid (3 Days Onsite Per Week) Type of Hiring – Permanent Client – LTIMindtree Key Technologies: Java Spring Boot, Microservices OpenShift, Apache Kafka latest stable RabbitMQ latest stable (Any/Similar) MongoDB, Oracle Database (Any/Similar) DevOps tools for automation CICD … monitoring Skills Experience: Expert level Java development skills Proven experience building resilient high availability and high-performance applications Deep understanding of microservices architecture and distributed systems Strong expertise in API design and implementation Extensive experience with container orchestration platforms Kubernetes In-depth knowledge of messaging systems Apache Kafka RabbitMQ Proficient ...

Contract Senior Backend Engineer

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
help them scale up their AI platform and make a real impact. They are looking for an engineer with strong commercial use of either Java, Kotlin or Scala and proficiency with Python to help modernise their codebase. Responsibilities: Build and scale backend systems for AI-driven automation products Collaborate with ...

Senior WMS Developer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Oracle or SQL Server) and Linux environments. Experience with integrations (SFTP, APIs, web services, message-based systems) and Git . Desirable: .NET/C#, Java, Centiro or other CMS, ServiceNow/ITSM tools , Agile/DevOps experience, ITIL/change management awareness. Additional Information Flexible hybrid working – candidates from anywhere ...