151 to 175 of 516 Java Jobs in London

Application Support (Oracle / Unix)

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £385 per day + umbrella rate
Windows Server 2k8/2k16/2k19. Infrastructure: VMWare ESX v6, Nginx, Apache Tomcat, Elasticsearch. Automation: Bash scripting, CI/CD pipelines. Desirable: Java SE 8, Python, Ansible, Terraform, AWS, IBM Initiate, GIS tools. Interested? Please apply with your updated CV and clearance details. ...

Principal Software Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £120,000 per annum
track record leading across multiple engineering teams and specialties. Experience with Event-driven architectures. Strong technical breadth across C#, .NET, SQL, Kafka and Azure (Java is a plus). Agile Leadership Desirable The role has no direct reports, but established leadership skills are desirable Distributed systems and real-time data ...

Principal Software Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £120000/annum Benefits & Progression
track record leading across multiple engineering teams and specialties. Experience with Event-driven architectures. Strong technical breadth across C#, .NET, SQL, Kafka and Azure (Java is a plus). Agile Leadership Desirable The role has no direct reports, but established leadership skills are desirable Distributed systems and real-time data ...

Senior Software Engineer

Hiring Organisation
Identify Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £85,000 per annum
driven products Focus on scalability, performance, and reliability Work closely with Product and Data Science Contribute to architecture and technical improvements Tech Stack:- Java, Python, AWS, MongoDB, MySQL, Kubernetes, Git What they're looking for: 5+ years' backend or server-side engineering experience Strong system design and production experience Autonomous ...

Senior Software Engineer, Unified Platform - Reference Data

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
5+ years of platform‐level software development experience Strong computer science fundamentals; a degree in Computer Science or equivalent work experience Strong experience with Java, Python or any modern programming language Experience processing high volumes of data at scale Excellent analytical and problem‐solving skills Comfort working within a globally ...

Senior DevOps Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, UK
Employment Type
Full-time
DevOps and previous experience working in a large, structured organisation Experience working with Linux/Unix, and SQL Strong scripting skills e.g. Python, Java Any experience migrating from on-prem to the cloud is really nice to have What you'll get in returnAn exciting opportunity to join an international ...

Senior DevOps Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day
DevOps and previous experience working in a large, structured organisation Experience working with Linux/Unix, and SQL Strong scripting skills e.g. Python, Java Any experience migrating from on-prem to the cloud is really nice to have What you'll get in return An exciting opportunity to join ...

Solutions Architect

Hiring Organisation
Experis
Location
Wembley, England, United Kingdom
8+ years in Solution Architecture, with a strong focus on e-commerce platforms or API/middleware ecosystems. Technical Stack: Advanced knowledge of Node.js, Java (Spring Boot), and PostgreSQL, with the ability to review and assess vendor code in detail. Integration Expertise: Strong understanding of API management patterns, webhook-based ...

Product Engineer

Hiring Organisation
Bloc Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Partner closely with Product to challenge and sharpen requirements before they hit the backlog What we're looking for Strong TypeScript/JavaScript and Java/Kotlin NestJS, React, PostgreSQL or MongoDB (Not all required) Hands-on with AWS, Docker, Terraform, and modern CI/CD A genuine, practical understanding ...

Senior Backend Engineer, Fraud & Risk Engine

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
focus on speed, scalability, and reliability. Strong product-oriented mindset, with end-to-end ownership of features and close collaboration across teams. Proficiency in Java (preferred) or solid experience with similar backend programming languages. Familiarity with messaging systems such as Kafka or RabbitMQ, and strong knowledge of relational databases ...

Solutions Architect - London, Wembley

Hiring Organisation
Adecco
Location
Wembley, London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum + Benefits
Skills Experience: Solution Architecture with a clear focus on E-commerce platforms or API/Middleware ecosystems. Technical Stack: Expert-level knowledge of Node.js, Java (Spring Boot), and PostgreSQL - able to read and critique vendor code, not just high-level diagrams. Integration Expert: Deep proficiency in API management patterns, Webhook ...

Solution Architect x2 - London

Hiring Organisation
Adecco
Location
Wembley, London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum + Benefits
Skills Experience: Solution Architecture with a clear focus on E-commerce platforms or API/Middleware ecosystems. Technical Stack: Expert-level knowledge of Node.js, Java (Spring Boot), and PostgreSQL - able to read and critique vendor code, not just high-level diagrams. Integration Expert: Deep proficiency in API management patterns, Webhook ...

Forward Deployed Engineers

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500 per day + Inside IR35
cloud-native systems (APIs, microservices, containers, serverless) Experience building and deploying AI/LLM-based systems in production (agents, RAG, orchestration) Proficiency in Python, Java, or similar backend languages Experience with: CI/CD pipelines Infrastructure as code Monitoring and observability tools Hands-on experience with AI platforms (OpenAI, Claude ...

Graduate Software Engineer / Quant Developer / Quant Researcher - Up to £180,000 + Bonus + Package

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
infrastructure ✅ What We're Looking For A degree in Computer Science, Mathematics, Physics, Engineering, or another STEM discipline Strong programming skills in Python, C++, Java, C#, or KDB+/Q Excellent analytical and problem-solving abilities A genuine interest in technology, quantitative research, and financial markets Strong academic achievement ...

Senior Backend Engineer - Fraud Risk & Scalable Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
focus on speed, scalability, and reliability. Strong product‐oriented mindset, with end‐to‐end ownership of features and close collaboration across teams. Proficiency in Java (preferred) or solid experience with similar backend programming languages. Familiarity with messaging systems such as Kafka or RabbitMQ, and strong knowledge of relational databases ...

Solutions Architect - Big Data and DevOps (f/m/d)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
native technologies such as containerization and Kubernetes Strong knowledge of DevOps tools (Terraform, Ansible, ArgoCD, GitOps, etc.) Proficiency in software development using Rust (ideally), Java, or Python Experience with Solution Architecture and designing enterprise-grade data platforms Understanding of networking, security, and access controls in on-premenvironments. #J-18808-Ljbffr ...

Manager, Sales Engineering Solutions engineering London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
/frameworks (REST/JSON APIs, Postman). Experience with at least one common front‐end (pure JavaScript, React, Angular, etc.) and back‐end (Java, .NET, Python, Node, etc.) technology. Previous exposure to RFI/RFP. Understanding of end‐to‐end payment flow. Payments industry exposure with an understanding ...

API Backend Engineer (MCP)

Hiring Organisation
AMS Contingent
Location
London, UK
Employment Type
Full-time
GCP. Actively contribute code while collaborating within SCRUM agile teams. What we require from the candidate: Strong hands-on backend development experience (Java, Python, or Node.js). Proven API development experience using an API gateway platform. Production experience with at least one cloud platform: AWS or GCP. Practical DevSecOps experience ...

API Backend Engineer (MCP)

Hiring Organisation
AMS Contingent
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
GCP. Actively contribute code while collaborating within SCRUM agile teams. What we require from the candidate: Strong hands-on backend development experience (Java, Python, or Node.js). Proven API development experience using an API gateway platform. Production experience with at least one cloud platform: AWS or GCP. Practical DevSecOps experience ...

Quantitative Trading & Research – Markets Treasury – Vice President

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
advise senior partners and stakeholders on complex and technical topics with precision and clarity Preferred Qualifications, Capabilities, and Skills Experience writing high-quality Java code in a professional or production setting Strong understanding of a bank's balance sheet, treasury operations, and/or demonstrated experience with financial optimization problems ...

Platform Engineer

Hiring Organisation
hireful
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £85000/annum £80,000 - £85,000 + 10% Bonus + Bene
Strong software engineering skills with real depth in at least one language, and a clear point of view on stacks, tooling, and trade-offs. Java, C#, Python, Typescript, Go - all valid! Solid hands-on experience designing and building CI/CD pipelines, and running containerised workloads in production. Experience with ...

Head of Technology (Technical)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
modernization to the cloud, implementing cloud services (GCP, Azure, AWS) and platforms supporting Products. Expertise working in both PAAS and SAAS environments. Background in Java Development and Architecture. Responsibilities Cultivate an understanding of our products, along with their respective strengths and weaknesses, and provide solutions to existing and future challenges. ...

UI Developer Lead

Hiring Organisation
Adecco
Location
Bromley, London, United Kingdom
Employment Type
Contract
Contract Rate
£850/day Inside IR35
Technical Leadership : Mentor and guide a team of UI engineers, ensuring best practices in coding, testing, and performance optimization. · Integration : Ensure smooth integration with Java-based backend services and real-time data streams. · Performance Scalability : Optimize UI for low-latency, high-frequency trading environments. · Innovation : Stay ahead of emerging technologies ...

Engineering AI Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
degree in computer science, engineering, or a related field. Minimum 6 years of relevant industry experience. Proficiency in programming languages such as Python, Java, or GoLang. Experience with AI and machine learning technologies, particularly in the context of coding assistants. Strong problem-solving skills and the ability to think critically ...

Senior Software Engineer I - Servicing Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
those listed below and are eager to learn more we do want to hear from you! Strong proficiency in backend programming languages like Java, Python or Go. Passion for building at scale – You've worked on high‐throughput systems and know what it takes to keep services fast and reliable. ...