151 to 175 of 2,115 Java Jobs in London

System Architect - Fusion Platform

Hiring Organisation
Liquidnet
Location
London, UK
Employment Type
Full-time
technical leadership, with the ability to mentor and influence teams. Excellent analytical, communication, and stakeholder management skills. Hands-on enterprise systems development experience (C#, Java, JavaScript/TypeScript, C++ or similar).Proficiency in cloud platforms (AWS preferred; Azure/GCP), containerisation, and microservices. Strong knowledge of APIs, system integration ...

Lead DevOps Engineer

Location
Greater 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 ...

Lead Software Engineer

Location
Greater London, England, United Kingdom
solve almost any problem. You possess strong software engineering skills in Python and at least one compiled or strongly-typed language (e.g. Go, Java, Rust, or TypeScript), and know how to build robust, production-grade systems. You are an expert in at least one major Cloud Solution Provider (e.g., Azure ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
monoliths to microservices, upskilling colleagues and customers, always finding themselves learning from others, while constantly striving to be nice humans. Our teams have used Java, Ruby, Python, ES6 with React, as well as C# with .NET Core. We don’t limit ourselves as a company and we expect ...

Senior Developer

Location
Greater 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 ...

Solutions Architect

Location
Greater London, England, United Kingdom
role Minimum of 2 years experience with modern scripting languages (e.g. Python, Node.js, SQL) and/or popular programming languages (e.g. C/C++, Java, C#) in a professional capacity Experience implementing scalable and highly available distributed systems in the cloud and on-prem Demonstrated ability to work with customers ...

AWS Engineer

Location
Greater London, England, United Kingdom
workforce .Required Skill:Strong hands-on experience with AWS Cloud Services, including ECS, EKS, Lambda, IAM, CloudWatch, RDS, S3, API Gateway, and VPC.Proficient in Java and Spring Boot, with the ability to develop, support, troubleshoot, and implement application enhancements.Expertise in Infrastructure as Code (IaC) using Terraform, CloudFormation, or similar automation ...

Principal Quantitative Engineer

Location
Greater London, England, United Kingdom
/Redis)* Source Control Management (GIT)Desirable technical skills:* C++ experience/Experience with C++ interop* Entity Framework Core experience (Sql server, Oracle)* Python, Java, JavaScript and other advanced languages* Test Driven Development* Build Management and Continuous Integration* Front End developmentNice to have technical skills:* Continuous integration processes, automated test ...

Senior Software Engineer, Full-Stack

Location
Greater London, England, United Kingdom
other containerisation technologies Proven Git proficiency, including collaborative branching workflows Proficiency in at least one major programming language (such as Ruby, Python, or Java) Experience employing AI tools throughout the development lifecycle to speed up problem‐solving and delivery Experience testing with RSpec Preferred Knowledge/Experience: Experience with Ruby ...

Senior AI Software Engineer

Hiring Organisation
Vodafone
Location
London, UK
Employment Type
Full-time
5+ years of experience delivering production-grade software. Skilled in software design, development, testing, deployment and operational support. Confident developing cloud-native applications using Java, preferably Spring Boot, and React, or equivalent enterprise application frameworks. Experienced in designing and implementing RESTful APIs, microservices, integrations and customer-facing digital capabilities. Familiar ...

Software Engineer (ML Projects)

Location
Greater London, England, United Kingdom
continuous deployment. If you care enough to find elegant solutions to difficult technical problems, we’d love to hear from you. Tech Stack Python Java, which makes up the majority of our backend codebase JavaScript, particularly React, which makes up our frontend Postgres and SQL AWS & GCP - we’re cloud ...

Associate Vice President, Credit Technology Engineering

Location
City of Westminster, England, United Kingdom
markets, lending, credit, or alternative asset management platforms preferred. Experience mentoring developers or providing technical leadership across development initiatives. General Requirements: Technical Skills Advancedproficiencyin Java and modern backend development frameworks. Strongproficiencyin React and TypeScript. Strong experience with relational and non-relational databases. Strong understanding of APIs, integration patterns, and service ...

Technical Lead

Hiring Organisation
PA Consulting
Location
London, UK
Employment Type
Full-time
right task, you can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C#Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NETCloud platforms: AWS, GCP, Azure CI/CD: Jenkins, GitHub Actions ...

Senior Engineer (Full-Stack)

Location
City Of London, England, United Kingdom
processors e.g. Tailwind Back-end skills Proficiency in backend programming languages (Typescript and/or other OOP language such as c#/Java) Strong database knowledge (SQL and NoSQL) Proficiency with RESTful APIs and GraphQL APIs and Websockets Experience with microservices architecture Knowledge of version control systems (Git) Experience with ...

AI Engineer-Anthropic-University/Graduate Level - UK

Location
Greater London, England, United Kingdom
through internships, co‐ops, research, freelance work, academic projects, or professional roles. Experience with one or more programming languages, preferably Python, JavaScript/TypeScript, Java, or similar languages. Foundational understanding of software engineering concepts, APIs, databases, source control, and cloud‐based applications. Exposure to generative AI, LLMs, prompt engineering, machine ...

Agentforce Operations FDE

Location
Greater London, England, United Kingdom
production AI, data engineering, or enterprise integration system deployed to production. High proficiency in at least one modern language: Python, JavaScript/TypeScript, Java, or Apex. Hands‐on AI & Grounding Expertise: Deep experience with LLM orchestration, prompt tuning, and building RAG pipelines, vector search indexes, and knowledge base retrievers ...

Production AI Engineer - Vice President

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
increased team productivity. QualificationsDemonstrable experience in a critical software engineering or production engineering role with high business impact and a strong programming foundation (Java, Python, Go, or equivalent).Hands-on experience with AI/ML engineering — including working with LLM APIs (OpenAI, Anthropic, Gemini, or open-source equivalents), embedding models ...

Staff Cloud Security Engineer (GCP) - Engine by Starling

Location
Greater London, England, United Kingdom
tech stack is listed below. We don't ask that you have experience in all of it, but if you do, that's great! Java, which makes up the majority of our backend codebase GCP and AWS — we're cloud-native Microservice-based architecture Kubernetes ...

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 Java Full-Stack Engineer - Microservices & AI

Location
Greater London, England, United Kingdom
JPMorganChase is seeking a Software Engineer III in London to own end-to-end delivery of secure, full stack features. You will design, implement, and operate services built on microservices, Kafka, and CI/CD ...

Senior Software Engineer I — Agile, Java/Spring, AWS

Location
Greater London, England, United Kingdom
Elsevier in London seeks a Senior Software Engineer-I to contribute to a team delivering high-quality software for author services, applying your technical expertise. You will collaborate with agile squads, implement software to meet ...

Lead Backend Developer - Java, AWS & Kubernetes

Location
Greater London, England, United Kingdom
A leading music company is seeking a Lead Developer to design, develop, and maintain external-facing royalty portals using Java. The role involves building AWS serverless solutions, working with Docker and Kubernetes, and providing technical ...

Java Sr Lead eSoftware Engineer - Equities Algo Trading - VP

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Equities Trading Technology ...

Backend Software Engineer (Java) | Payments / Financial services

Location
Greater London, England, United Kingdom
Backend Software Engineer (Java) | Payments/Financial services We are partnering with a leading technology-driven organisation operating within the Financial Services, FinTech and Payments sector to hire several experienced Senior Backend Software Engineers . This is an opportunity to join a high-performing engineering team responsible for building … backend expertise remains the highest priority , we are also keen to hear from engineers with full-stack experience . Candidates with a combination of: Java backend development; and React.js frontend development will be considered, particularly where they have strong backend credentials and experience delivering end-to-end solutions. What ...

Java Developer (Blockchain)

Location
Greater London, England, United Kingdom
left testing using tools like JUnit, Cucumber, Gherkin, PACT, and Test Containers.* Working knowledge of event/message brokers such as Kafka and MQ.Advanced Java* Strong experience in Object-Oriented Programming (OOP).* Advanced knowledge of Java 17+ features and practical experience with Spring Boot.* Skilled in developing RESTful services … including REST design principles, Swagger/OpenAPI, and Spring REST MVC.* Proficient in building and delivering enterprise-grade Java applications.* Hands-on experience with data structures, algorithms, concurrency, and multi-threading.Database Management* Strong SQL knowledge with experience in relational databases such as Postgres.* Working knowledge of object storage solutions, e.g. ...