Senior Java Developer/Architect

Join our dynamic team at dev2 as a Java Developer, specializing in the FinTech sector. This role offers an exciting opportunity to work on innovative financial solutions that are shaping the future of finance.

Join G MASS as we support a leading global FinTech organization in expanding its core engineering team dedicated to developing enterprise-scale, AI-driven data products. This position is part of a dynamic and collaborative Agile engineering environment that focuses on creating scalable, cloud-native platforms utilized across the organization.As a member of our senior engineering group, you will be responsible for the design, development, and maintenance of high-performance software components within a distributed data ecosystem. Our emphasis is on clean architecture, modern Java programming, and the implementation of robust engineering practices.Key Responsibilities:Design, develop, and maintain scalable software and data modeling components within a distributed platform.Translate both business and technical requirements into robust, well-architected solutions.Implement best-practice software engineering standards, including code reviews, Test-Driven Development (TDD), and Continuous Integration/Continuous Deployment (CI/CD).Troubleshoot and resolve complex software defects and performance challenges.Actively engage in Agile ceremonies, including sprint planning, daily stand-ups, demonstrations, and retrospectives.Mentor junior engineers through code reviews, pairing, and knowledge sharing initiatives.Contribute to architectural decisions to ensure the scalability, reliability, and security of systems.Produce and maintain clear technical documentation that outlines designs and workflows.Communicate progress, risks, and solutions effectively with stakeholders.Continuously assess new tools, frameworks, and methodologies to enhance engineering quality.

We are seeking a highly skilled Senior Java Developer to join our dynamic team at Qurious Associates Limited. In this role, you will leverage your expertise in Java development to design, implement, and maintain robust applications that meet the needs of our clients. You will collaborate with cross-functional teams to deliver high-quality software solutions using modern development practices.

We are seeking a talented and experienced Senior Java Developer to join our dynamic team at Minderacraft. As a key member of our development team, you will be responsible for designing, developing, and implementing high-quality Java applications that meet the needs of our clients. You will work closely with cross-functional teams to deliver innovative solutions that drive business success.

Version 1 seeks a Senior Java Developer to join teams working on client applications across digital transformation projects. This position offers the chance to influence how organizations use technology, contributing to solutions that address practical business needs. Key responsibilities Design and develop Java applications in collaboration with cross-functional teams Take part in code reviews, helping maintain code quality and share expertise Mentor junior developers, guiding their technical and professional growth Work on projects that directly impact client operations and outcomes Locations London Birmingham Manchester Newcastle upon Tyne Edinburgh Belfast

Join our dynamic team at Version 1 as a Senior Java Developer! We are looking for a talented and experienced individual to take on a pivotal role in our Digital, Data, and Cloud departments. In this position, you will leverage your expertise in Java development to build innovative software solutions that meet our clients' needs.As a Senior Java Developer, you will work closely with cross-functional teams, participate in the full software development lifecycle, and mentor junior developers. Your contributions will be crucial in driving our projects forward and ensuring the highest standards of quality.

Location: London, HybridRole Type: 12 Month ContractRate: £700 - £800 per dayDelta Capita is on the lookout for an accomplished Senior eTrading Developer to become a vital part of our clients' Global Markets Technology division. This pivotal role is centered around the development and enhancement of low-latency components within an advanced electronic trading (eTrading) and eRisk platform, serving the needs of global FX and electronic execution operations.The team is dedicated to crafting high-performance, distributed systems that expertly manage liquidity, deliver real-time pricing, execute internal and external orders, and bolster algorithmic trading strategies. These systems are critical to the business and demand outstanding reliability, scalability, and throughput.As part of a global delivery team, you will contribute to next-generation initiatives aimed at elevating pricing quality, minimizing latency, enhancing algorithmic execution capabilities, and broadening eTrading functionality.

Location: London, HybridRole Type: 12 Month ContractRate: £800 - £900 per dayDelta Capita is on the lookout for an experienced Senior Rates Developer specializing in Java to join our dynamic Global Markets Technology team. In this pivotal role, you will be part of a specialized unit dedicated to developing cutting-edge pricing, eTrading, and eRisk capabilities tailored for Rates and FX products.Your team will be responsible for creating low-latency, highly available pricing components that facilitate:Pricing for Rates across forwards, futures, swaps, and bondsFX forward and broker pricing solutionsAlgorithmic and electronic execution workflowsPricing control tools and configuration frameworks utilized by traders and quantsOn-demand quoting and curve management across eCommerce channelsIntegration of innovative quantitative models and external market data feedsThis role demands hands-on engineering prowess within a fast-paced and high-performance trading technology environment.

Role Overview margo-group is looking for a Rapid Application Developer with strong JAVA skills to join the team in London. This position focuses on building and refining applications that support client goals and internal efficiency. What You Will Do Develop JAVA-based applications, from design through implementation Work with colleagues from different disciplines to create and test solutions Help improve processes and technology offerings for clients Collaboration This role involves regular interaction with cross-functional teams. Clear communication and a willingness to share knowledge are important.

Join our innovative technology consultancy where you will find a vibrant career path and the chance to work with groundbreaking technologies. As a Software Developer, you will engage in the entire software development life cycle, providing you with hands-on coding experience while driving your team towards success. Are you eager to be involved in everything from design and development to delivering high-quality solutions to our clients?We leverage a diverse array of technologies including .Net, C#, Java, Salesforce, Sharepoint, Dynamics CRM, Sitecore, ReactJS, Angular, Docker, Azure, AzureDevOps and Octopus. Our commitment to utilizing the most effective and contemporary technologies will empower you to expand your knowledge and skills across various programming languages.You will be part of our Application Support (APS) team, gaining insights into the various platforms and products we manage in the UK. This role encompasses a blend of development, DevOps, and support responsibilities, including participation in an on-call rotation.Key Responsibilities:Full-stack system development including front-end, back-end, and integrationsEngagement in DevOps practicesProviding service supportWorkflow planning and managementProcess optimization and quality assurance initiativesImplementing customer-focused design requirements for new featuresAnalysis and design of comprehensive solutionsCollaborative daily discussions with your teamEnd-to-end project delivery management

pharmacy2u, the UK's largest online pharmacy, is hiring a Java Developer for its central London team. This hybrid position blends remote work with in-person collaboration twice a month in the office. Key responsibilities Develop and maintain Java-based healthcare applications serving over 1.8 million patients across England. Work closely with frontend and backend developers, clinicians, and quality analysts to deliver secure and dependable software. Contribute to projects that advance digital healthcare delivery. Optional participation in an out-of-hours rota is available for those seeking additional experience and pay. Work arrangement Hybrid setup: primarily remote, with two required in-office days per month in central London. Core working hours run from 09:30 to 16:00, with flexibility to adjust schedules around these times. About pharmacy2u pharmacy2u is dedicated to setting the benchmark for digital healthcare in the UK, with a focus on patient-centered solutions and consistently high service standards.

Join Talan as an eFX Java Algorithm Developer in London, where you will be a key player in designing and implementing innovative trading algorithms for our electronic foreign exchange trading platform. Collaborate closely with quantitative analysts and traders to enhance our systems and ensure optimal performance in a highly competitive market.

About Methods Business and Digital Technology Limited Methods Business and Digital Technology Limited is an established IT services consultancy based in the UK, with more than 30 years of experience. The company works closely with central government departments and agencies to improve public sector operations. With annual revenue exceeding £100M, Methods is known for delivering business and technical solutions that focus on people, safety, and long-term readiness. Methods takes a human-centric approach, aiming to create value and sustainability for clients, employees, communities, and the environment. The company emphasizes collaboration, continuous improvement, and a culture where people enjoy their work while striving for excellence. While Methods primarily serves the public sector, it is also building a private sector client base. Since joining the Alten Group in early 2022, the company has continued to grow and innovate. Role Overview: Senior Java Back-End Developer This London-based position focuses on back-end Java development within a team that supports both public and private sector clients. The role involves contributing technical expertise, collaborating with colleagues and clients, and helping deliver solutions that meet high standards for quality and safety.

We are seeking a talented Developer with expertise in PHP and Java to join our Public Protection Directorate Project team in London. This role is expected to last between 6 to 12 months and operates outside of IR35 regulations.The selected specialist will collaborate closely with various development and support teams, as well as existing vendors, to enhance our reporting services. You will utilize our established tech stack, including PHP, Symfony framework, and PostgreSQL, to understand legacy systems and develop secure user interfaces and microservices to manage sensitive data.

We are seeking an experienced Senior Full Stack Java Developer to join our dynamic team at Version 1. As a key player in our Apps Modernisation & Integration department, you will leverage your expertise in Java development to build robust applications and integrate innovative solutions that meet our clients' needs.Your role will involve collaborating with cross-functional teams, guiding junior developers, and ensuring best practices in software development. You will work with modern technologies and methodologies that enhance our project delivery.

Join our dynamic team as a Senior Java Developer and leverage your expertise in modern software solutions. This is a fully remote position, allowing you to contribute from anywhere while collaborating with top-tier technical experts in the industry.At our company, we specialize in software modernization, particularly in mainframe systems, with over 35 years of experience and a proven track record of success across more than 50 satisfied clients around the globe. Our commitment to delivering projects on time and within budget has solidified our reputation in both the private and public sectors.As we face the growing demand for modernization, we are looking for skilled professionals to join our development team. Your role will be pivotal in creating automated solutions that address the challenges posed by legacy IT systems.We encourage you to apply if you are ready to take on this exciting challenge and contribute to our mission of simplifying complex modernization processes.

Galaxy Digital Services develops digital asset solutions at the intersection of finance and technology. The company invests in data center infrastructure to support AI and high-performance computing, focusing on blockchain and digital asset innovation. With a global presence and a team led by CEO Michael Novogratz, Galaxy serves institutions, startups, and developers navigating the digital economy. What you will do This Backend Java Developer role is part of the Lending technology team in London. The position centers on building and maintaining crypto lending systems. Core responsibilities include: Developing and enhancing lending infrastructure Working on collateral management features Implementing interest calculation logic Building liquidation processes Integrating with blockchain networks and traditional financial systems Who succeeds here The team values engineers who work independently, solve complex problems, and take ownership of their projects. Analytical skills and a drive to resolve challenges are important for this position. Our core values Strive for Excellence Be Selective to Achieve Effectiveness Maintain High Alignment with Loose Coupling Engage in Transparent Disagreements Support Independent Decision-Making Build Exceptional Teams

Join our dynamic team at Version 1 as an Intermediate Java Software Engineer. You will play a crucial role in designing, developing, and maintaining high-quality software solutions. Collaborate with cross-functional teams to ensure the delivery of innovative applications that meet both client and business needs.

Java Developer for Front Office and Trading SystemsExciting Opportunities with MARGO in London – Both Permanent and Contract Roles Available! MARGO is a cutting-edge consultancy specializing in providing top-tier IT solutions tailored for the financial services industry. We excel in complex software engineering settings where performance, reliability, and scalability are of utmost importance: think low-latency systems, real-time data processing, distributed architectures, and handling high-volume data flows.Joining MARGO means immersing yourself in challenging Front Office and Risk IT environments, while enjoying a supportive structure, personalized training paths, and close guidance.Business ContextYou will be part of the Front Office / Trading IT team at one of our prestigious tier-1 investment banking clients.Your role will involve designing and maintaining mission-critical Java applications that facilitate electronic trading across various asset classes (including Equities, Fixed Income, Commodities, FX, and Derivatives).The work environment is characterized by:· Real-time and event-driven architecture· High performance and low-latency demands· Close collaboration with trading, quantitative, and risk teams· Rapid delivery cycles with exceptional engineering standardsRole OverviewWe are seeking a skilled Java Developer to contribute to real-time trading and risk management systems.