151 to 175 of 501 Java Jobs in London

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 ...

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 ...

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 ...

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 ...

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, 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. ...

Engineering Manager – Software & ML

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 an understanding ...

Senior Software Engineer, Banking Connectivity London, UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
high‐impact role. What You'll Bring Experience building and supporting reliable backend systems with external integrations (APIs, webhooks, polling, file‐based flows) Strong Java experience, including concurrency, handling failure and edge cases (idempotency, deduplication, delivery guarantees) Solid ability to reason about distributed/async flows and backend stacks ...

Remote Senior Full Stack Engineer - UK/EU Remote

Hiring Organisation
Comply365
Location
London, UK
scale solutions. Strong background in backend software development with deep knowledge of at least one popular backend programming language: Python, Go, Kotlin, PHP or Java preferred. Track record of using enterprise-scale database solutions such as Postgres. Experience with working on frontend web applications, Typescript experience is a plus. Familiarity ...

Senior Software Engineer II - Regional Expansion (MEA)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
/or Business onboarding (KYC/KYB) in MEA markets Familiarity with financial regulations and compliance requirements Experience in the FinTech or payments industry Java proficiency Additional Information What you gain The ability to choose your own path to success – you’ll have the freedom to define the vision ...

Software Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experienced software engineer, and someone who remains comfortable with technology, architectural decisions and technical trade‐offs. Previous experience in our backend tech stack – Java, Spring, AWS – and who is a strong advocate of tight feedback loops through mechanisms including, but not limited to, automated tests, CI/CD pipelines ...

Solution Architect (Contract)

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
documentation and diagramming techniques (e.g. BPMN, Archimate, UML, wireframing, etc.) Formal data modelling and design techniques, for relational and NoSQL database technologies Experience in Java software development, or similar modern enterprise language Experience working in a container-based and/or serverless environment, hosted on public cloud ...

Associate Data Engineer

Hiring Organisation
NHS England
Location
Leeds/London, LS1 4AP, United Kingdom
Salary
£39959.00 to £48117.00
Person Specification Qualifications Essential Degree or equivalent experience. Knowledge Essential Awareness of cloud platforms and data tools including languages such as Python, SQL, PySpark, Java Knowledge and experience with programming languages such as React, Typescript, Javascript is desirable Skills and Experience Essential Delivers tasks with guidance Writes maintainable, tested code ...

Graduate Technology Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
degree, equivalent experience, or ability to demonstrate an aptitude for technology if your degree is not technical Some experience in software development, using Python, Java or .NET (or related technologies) Excellent communication skills, both written and spoken word with an ability to successfully engage with team members and clients Problem ...