51 to 75 of 135 Java Jobs in the City of London

full software development lifecycle. You'll: Lead the development of user-centred, production-ready software Design and build robust, scalable backend services using Kotlin, Java and Spring Boot Develop and integrate RESTful APIs and microservices Work collaboratively with multidisciplinary teams to solve complex client problems Take ownership of development … software development, with Kotlin at the heart of your recent experience . Essential Solid, current experience developing in Kotlin and the JVM ecosystem Strong Java development background Extensive experience across the full software development lifecycle Strong experience with Spring Boot and the wider Spring Framework Experience designing and developing microservices ...

Java EngineerJava Engineer | esynergy | London Hybrid Do you enjoy building scalable, customer-facing applications using Java, microservices and modern cloud technologies? Role overview We are looking for an experienced Java Engineer to join one of our strategic programmes, where esynergy is delivering a major piece of work for a FinTech … client. You'll be working predominantly across backend systems, helping to buildand evolve large-scale, customer-facing applications using Java, Spring Boot and microservices. For some positions within the programme, we are also looking for full-stack engineers with React.js experience. Backend engineering remains the primary focus. Essential Skills/ ...

representation in front, middle, and back office systems. The candidate will produce functional specifications, collaborate with partners, and contribute to an agile team using Java, Spring, Kafka, Oracle DB, and React. Prior experience with trading, FX, and commodity products is preferred. #J-18808-Ljbffr ...

frameworks, integrate tests into CI/CD, and collaborate with developers and stakeholders to raise quality and accelerate delivery. Experience with Selenium, Python/Java, and CI/CD tooling is valued to drive continuous improvement and scalable testing. #J-18808-Ljbffr ...

will manage data products from concept through production, ensuring high quality and reliability. The ideal candidate has over 2 years of experience in Python, Java, or C++ and is familiar with financial markets, especially delta one and options trading. A collaborative environment is emphasized. #J-18808-Ljbffr ...

AI. You'll own the product lifecycle and work with diverse teams to deliver impactful solutions. Ideal candidates have experience in programming languages like Java, C++, and Python, alongside strong collaborative skills. This role supports hybrid working options and values independent decision-making. #J-18808-Ljbffr ...

Java Developer - AWS Cloud Migration London (Hybrid - 3 days in office) | Contract - 12 months | Up to £700/day (Inside IR35) A well- established investment bank in the City is looking for a Java Developer to join its Back Office Change function, working on an AWS Cloud migration. You will … moving on-prem workloads into AWS, with a real focus on smart modernisation rather than a like-for-like lift. Candidates must be expert Java Developers with real-world cloud migration experience with AWS. What We're Looking For Strong understanding of cloud concepts, with hands-on AWS experience Core ...

existing supplier. The deal covers the Borders & Trade element of the ITT, providing environment management, I&T development and maintenance, and Java feature development and testing capabilities. The team will work alongside the existing CDS programme to deliver nationally critical infrastructure. What you'll bring: UK Citizen with 5 years ...

mathematical modelling . Experience working with large datasets and performing detailed data analysis. Proficiency in one or more of Python, C#, C++ or Java . Experience within data science, quantitative analysis or statistical modelling . Strong analytical and problem-solving abilities. Excellent attention to detail and numerical accuracy. Strong communication ...

related technical field; or equivalent related professional experience. 8+ years of relevant professional software development experience with a strong focus on backend development, using Java or Kotlin, building and operating high-performance, high-throughput, highly available, and scalable services on cloud platforms. Proven experience owning one or more production services ...

haveDemonstrated understanding of the Salesforce platform and ecosystem, including Agentic AI capabilities and Data CloudWorking knowledge of one or more programming languages: Python, JavaScript, Java, or ApexProven ability to lead and own complex, ambiguous engagements end-to-end — from discovery through to measurable outcomesExperience leading AI/LLM solution design ...

improvement environments doing multiple releases every week Team leadership and mentoring experience Integrity/honesty Coding and testing Demonstrable experience designing, coding and debugging Java based systems Good skills in web front end technologies such as HTML, CSS, Bootstrap Java 8 Spring Boot Docker Kubernetes Atlassian Build tools: Maven, Gradle ...

Integration Architect/Senior Integration Architect - JAVA/AWS (ESSENTIAL) £600 Pay - Outside IR35 - 4 Days per week on site in London Bridge 6 month initial contract We've partnered with a genuinely exciting organisation who are building a greenfield Bank, as part of this they are implementing a whole … across teams Design and deliver event-driven, API-first, and messaging solutions (NATS, REST) Lead end-to-end integration delivery, including hands-on development (Java/Spring) Ensure scalable, cloud-native solutions on AWS Produce architecture artefacts (blueprints, contracts, ADRs) Guide teams on best practices, API governance, and event design ...

Morson Edge (Financial Services) in London is seeking a Senior Java Developer to join the post-trade engineering team on a contract basis. You will design and develop market data and reference data feeds, building robust Java/SpringBoot microservices and REST APIs. The role focuses on auditing and leveraging ...

seeking a seasoned, high-caliber Senior e-Trading Java Developer to join the UI & Electronic Trading team. You will contribute directly to a strategic multi-year greenfield build-out and modernization of our core Rates electronic trading platform. The position offers a dynamic working environment embedded closely with global trading ...

Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence is critical ...

Office.Full-time hours per week. We are happy to discuss flexible working! Top 3 skills needed for this role Strategic Enterprise Technology Leadership Recognised Java Engineering Expertise Advanced Architecture & Systems Integration Capability What click apply for full job details ...

Selection in London is seeking a Mathematical Software Engineer to join their growing team. This role centers on developing highly mathematical Java code to model and optimise complex industrial processes and logistics. You will combine a strong mathematics background with software engineering best practices, tackling large codebases, implementing and debugging ...

Experience administering Oracle ASM and Data Guard for HA/DR Desirable - Oracle Database Engineer (Oracle DBA): Oracle Certified Master (OCM) Oracle APEX experience Java development knowledge Git or Stash version control Understanding of server architecture, enterprise storage, networking and firewall concepts Familiarity with ITIL and formal service management processes ...

computer science or equivalent Knowledge of networking protocols such as HTTP, DNS and TCP/IP Experience programming in Python, Ruby, Go, Swift, Java, .Net, C++ or similar object oriented language You have passion for reverse engineering, malware analysis, threat detection and risk hunting. PREFERRED QUALIFICATIONS Experience with AWS products ...

full software lifecycle. Mentor peers, drive engineering excellence and partner with stakeholders to translate business needs into technical outcomes. You will work with Java/JavaScript, microservices, Azure, CI/CD, and modern DevOps practices in a collaborative environment that values security and quality. #J-18808-Ljbffr ...

Ports North is seeking a Java Developer in London with a hybrid on-site model (3 days per week). You will build cloud-based financial services applications, collaborating with agile teams to deliver secure, scalable software. The role emphasizes strong Java backend skills, Spring Boot, and experience with ...

Physics also considered) Required Knowledge and Level of Experience: Degree in Computer Science, IT or related disciplines. 5+ years’ experience in software development with Java (JVM), including performance optimisation and profiling. Deep understanding of cloud infrastructures, usage patterns, across at least one major cloud vendor. Knowledge of off-heap data … orchestration (Docker, Kubernetes). Public cloud (e.g., AWS) and IaC (e.g., CloudFormation) Skills set and Core Competencies Required for Role: Highly proficient in Java; able to build high-throughput, low-latency services. Understanding of containers and Kubernetes; ability to implement complex network topologies in cloud like environments. Ability to scale ...

aptitude and attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, but you need not be an expert when you join us! We believe in clean coding, simple solutions, automated testing and continuous deployment. … Tech Stack is listed below, we don't ask that you have experience in all of this, but if you do, that's great! Java, which makes up the majority of our backend codebase AWS & GCP - we're cloud‐native Microservice based architecture Kubernetes (EKS) TeamCity for CI/ ...

will work on digital solutions that meet GDS standards and be involved in Agile product development. The ideal candidate has extensive knowledge in Java, Docker, and Kubernetes, with experience in leading teams. The position offers various benefits, including flexible working, paid holidays, and health insurance. #J-18808-Ljbffr ...