26 to 50 of 58 Java Jobs in the City of London

month. Desired Skills Kafka or event-streaming experience. Exposure to LLM Gateways, MCP, A2A, or agent identity/authorisation patterns. Scripting or development background (Java, Python). Startup or scale-up experience. Additional European languages are a plus. Who Thrives at Gravitee At Gravitee, our growth is powered by people ...

Title: Full-Stack Developer (Java & React) Location: London, UK (Hybrid - 3 Days Office/2 Days Remote) Employment Type: Permanent/Full-Time About the Role: We are seeking an experienced Full-Stack Engineer (5-7 years) to join a leading global financial institution in London. You will design, build … maintain high-performance, cloud-native applications supporting critical financial operations. Key Responsibilities: Design and deliver end-to-end applications using Java (Spring Boot) and React . Build scalable backend microservices, REST APIs, and gRPC services. Utilize Kafka for real-time event streaming and data processing. Deploy and maintain applications ...

with even higher quality. Help your teammates evolve their skills and practice through practical mentoring and knowledge sharing. Minimum Qualifications Expert‐level understanding of Java or Kotlin. Wide experience working distributed systems especially using Apache Kafka. Strong architecture and design skills including data and API modelling. On‐the‐job experience ...

with deciding when to invest in centralisation vs bespoke, and in driving adoption. Experience in at least one major Programming language (e.g. Python, Ruby, Java). True advocate for an empowered engineering team over 10x engineers, with a passion for coaching, mentoring, and sponsoring. A strong passion for critically assessing ...

maintain data pipelines on its modern Lakehouse and AI data platform. The ideal candidate will have a strong programming background in Python or Java, knowledge of SQL, and experience with data processing frameworks such as Apache Spark. Responsibilities include enhancing data pipelines, ensuring data quality, and collaborating with engineering teams. ...

Application Engineer (Java/Python Wealth Management) Location: London Centre 1 day a week Salary: 90,000 + 10 percent Bonus + Outstanding Benefits Build Innovative Technology for a Leading Wealth Management Firm Our client, a highly respected UK wealth management organisation, is looking for a talented Application Engineer with … strong Java and/or Python development experience to join its technology team. This role is ideal for someone who enjoys delivering scalable business-critical applications, working closely with stakeholders and leveraging technology to enhance adviser and client experiences within a wealth management environment. The Role You'll play ...

driving strategic transformation through AI tools, and developing high-availability services. The ideal candidate has over 8 years of software development experience, particularly in Java, and a proven track record in developing event-driven architectures. Competitive benefits and a commitment to diversity and inclusion are part of the offering. #J ...

forefront of this development. Technologies in Use Technologies we use include: AWS serverless architectures Kubernetes PostgreSQL Spark Typescript Terraform Kafka Github (including Github Actions) Java Data Platform Development We are building the data platform for blockchain, cryptocurrency, and web3. The Protocol Acquisition (PA) team, part of the Blockchain Foundations group ...

relevant quantitative field such as Physics, Mathematics, Engineering or Computer Science. Experience in object-oriented programming with a language such as C++, Java or Python. Experience in finance or acutting-edgetechnology company. Excellent written and verbal communication skills. Prior experience in Commoditiespreferred, but not a pre-requisite. ABOUT GOLDMAN SACHS ...

Solid understanding of application resiliency and security. Expertise in at least one programming language, with the ability and willingness to learn additional stacks (e.g., Java, Go, Python, Terraform, Kubernetes) as needed. Confidence using and critically evaluating agentic AI development tools; applies judgment on correctness, quality, security, and performance rather than … business value behind technical decisions and the habit of applying that lens throughout delivery. Preferred qualifications, capabilities, and skills Strong hands-on experience in Java, Go, and/or Python. Experience with Specification Driven Development and/or Behavior Driven Development. Hands-on experience with agentic development methodologies and tooling. ...

Engineer (Payments) Our long-term trusted partner, a leading financial services corporation, is hiring a Principal Engineer who has strong hands on capabilites in Java (17/21) & payment product experience who can contribute to real-time architectural decision making leading vision & strategy across Faster Payments, Real-Time Payments, Card … APIs is a must have. Experience leading upon architectural challenges, system scalability, and guidance of engineering teams is a must. A background in Java, C#, Python, or React development with experience providing hands-on technical leadership is a must. Strong background in core banking systems/platforms (Mambu), cloud-native ...

ensure scalable, secure, and maintainable solutions. Candidates should have strong Camunda experience, ideally with Camunda 8, and must demonstrate excellent skills in microservices, Java, BPMN and cloud-native architecture. This position offers a hybrid work model based in London. #J-18808-Ljbffr ...

fast-paced trading floor, applying quantitative methods to hedge risk and deliver scalable client solutions. A strong quantitative background and programming experience (C++, Java or Python) with excellent communication are #J-18808-Ljbffr ...

well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science ...

Morgan Hunt are partnering with a Government organisation to recruit an experienced Senior Full Stack Java Developer on an initial 6-month contract, with extension potential. The role is remote (UK based) within an Agile, cross-functional delivery team, building cloud-native applications using Java 21, Spring Boot, React ...

applied experience. Hands‐on practical experience delivering system design, application development, testing, and operational stability. Advanced proficiency in one or more programming languages (e.g., Java ). Proficient in all aspects of the SDLC and advanced understanding of agile methodologies and practices, including CI/CD, Application Resiliency, and Security . ...

while ensuring high software quality. The role emphasizes ownership, real-time processing, and scalable data solutions in a fast-paced trading floor environment. Strong Java and distributed systems experience are required. #J-18808-Ljbffr ...

both technology and finance. This is a backend engineering role which will involve working across a variety of areas, primarily micro-service development in Java, Spring and interaction with MongoDB. You will ideally be familiar with distributed services, testing, system monitoring and reporting, and the complete SDLC process. SKILLS … EXPERIENCE WE ARE LOOKING FOR Bachelor’s or master’s degree in computer science, engineering, or related field 3+ years experience with Java, Spring & Non-SQL technologies such as MongoDB Experience with micro-services, java deployments & Dev Ops tools such as Gitlab Full understanding of software development lifecycle best practices ...

Senior Java Engineer - Cash Equities Permanent Hybrid - 2 Days per week on site in London Negotiable Salary We're partnering with a Tier 1 Investment Bank to recruit an experienced Senior Java Engineer to join its Cash Equities Technology team. This is an opportunity to work on enterprise-scale middle … office applications and services that support business-critical trading operations within a global engineering environment. The Role As a Senior Java Engineer, you'll be responsible for designing, developing and supporting high-performance applications, working closely with engineering teams and business stakeholders to deliver robust, scalable solutions. Essential Experience Strong ...

Senior Java Engineer - Cash Equities Permanent Hybrid - 2 Days per week on site in London Negotiable Salary We're partnering with a Tier 1 Investment Bank to recruit an experienced Senior Java Engineer to join its Cash Equities Technology team. This is an opportunity to work on enterprise-scale middle … office applications and services that support business-critical trading operations within a global engineering environment. The Role As a Senior Java Engineer, you'll be responsible for designing, developing and supporting high-performance applications, working closely with engineering teams and business stakeholders to deliver robust, scalable solutions. Essential Experience Strong ...

client is in the Insurance sector and is looking to grow their team with a Java Tech Lead. This role will have a big focus on Agentic Development and is 2 days a week in London. Client Details Our client is in the Insurance sector and is looking to grow … their team with a Java Tech Lead. This role will have a big focus on Agentic Development and is 2 days a week in London. Description Lead the design, development, and implementation of Java-based applications. - you will be roughly 80% hands on coding in this role Collaborate with cross ...

Full Stack/Back End Java Developer - AI Location: London (Hybrid - 3 days onsite) Contract: 12 Months (PAYE) Rate: £550 per day PAYE (£66.94 per hour base rate, excluding holiday pay accrual) We are seeking an experienced Full Stack Java Developer , Back End Java Developer , or strong Front End Developer ...

platform services from existing infrastructure to new hardware, ensuring minimal disruption to live trading operations. Must haves - DevOps, CI/CD, Docker, Kubernetes, Java/Python and Automation Your Key Responsibilities Document the current D2C service landscape, identifying all services and their existing host dependencies Collaborate with the infrastructure team … migration of D2C services to new infrastructure, including rollback planning, environment validation and post-migration sign-off Your Skills and Experience Core Java Skills - Good understanding of Java fundamentals including object-oriented programming, collections, exception handling and concurrency. Integration, API Development and Databases - Experience building and deploying event-driven ...

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage … experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what should ...

Sachs is seeking a Software Engineer (Associate) for London to join our backend teams building scalable services and data platforms. You will work on Java/Spring microservices with MongoDB, contributing across the SDLC in a fast-paced, globally distributed environment. You will collaborate with trading, analytics, and enterprise teams ...