151 to 175 of 521 Java Jobs in London

Java Backend Engineer £470-485/day (Inside IR35) | 12-Month Contract London (Hybrid) Our client is seeking experienced Java Backend Engineers to support large-scale modernisation and microservices transformation initiatives within a commercial banking environment. As a Java Backend Engineer, you will design, build, test, and deploy scalable backend … engineering quality and modern development practices. Key Responsibilities Design, build, unit test, and deploy backend services and microservices Deliver scalable, resilient, and high-quality Java-based solutions Develop RESTful APIs and microservices using modern engineering practices Collaborate within Agile feature teams to deliver customer-driven software solutions Participate in sprint ...

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 ...

Senior Software Engineer (Python/Java, AWS) London, Manchester or Gloucestershire - primarily on site £60,000-£65,000 per annum basic salary, with some flexibility at the top end for the right candidate £15,000-£20,000 per annum in additional compensation related to clearance and wider benefits No clearance ...

will work with Engineers, QA, and Product Managers to design mobile-first web applications using React and build robust back-end services using Java and Spring Boot. This hybrid role offers flexibility, 25 days of holiday plus bank holidays, and an inclusive parental leave policy, fostering both your professional ...

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. ...

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 ...

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 ...

background in data architecture and software engineering Experience across Azure, big data technologies, and modern data platforms Ability to work hands-on when needed (Java, Scala, Python) Expertise in data modelling, integration, and microservices architecture Strong stakeholder engagement and communication skills Why Apply? Work on high-profile, large-scale transformation ...

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 ...

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 ...

platforms Knowledge of big data and distributed systems Experience with microservices architecture Ability to be hands-on when required using technologies such as Python, Java, or Scala Strong understanding of both structured and unstructured data design Experience leading teams and engaging with senior stakeholders Excellent communication skills, both written ...

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 ...

mentoring, and developing other engineers and architects What were looking for: Strong experience as a Data Architect within complex environments Background in software engineering (Java, Scala, or Python preferred) Experience with Big Data technologies and distributed data platforms Strong knowledge of Microsoft Azure and cloud-based data solutions Experience designing ...

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 ...

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 ...

Push back on requirements, think about the customer, and understand the bigger picture Contribute to architecture decisions as the team and platform scale Stack: Java, GoLang, Python - React, TypeScript, Next.js - Terraform, GCP, GitHub Actions. AI? YES - They're shipping LLM-powered products 👉 Exact tech match less important than strong backend ...

/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 ...

fundamentals Experience working on large, complex or data intensive systems Strong coding ability in Python or a similar language such as Julia, R, MATLAB, Java, C# or C++ Experience with SQL and large datasets Exposure to mathematical, statistical, simulation or algorithmic software would be highly relevant Understanding of testing, documentation ...

integration projects (including API integrations). Excellent understanding of T24 TAFJ running on MS SQL database. Excellent jBC development skills for T24. Understanding of Java development for T24. Solid experience in T24 integration, interfacing and customisation of Browser. Experience administering and supporting online, mission-critical systems. Experience dealing with ...

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 ...

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 ...

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. ...

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 ...

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 ...

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 ...