Senior Software Engineer

3 days ago


London, United Kingdom EC1 Partners Full time

Senior Software Engineer (Java) – Portfolio Optimization | Fintech | London / HybridAbout My ClientMy client is a high-growth fintech company transforming the way capital markets operate. Their mission is to make global financial systems safer, more efficient, and more open, using advanced technology and deep domain expertise. They partner with leading banks and institutional investors to develop intelligent solutions that optimise portfolios, reduce risk, and unlock access to more diversified capital.About the RoleMy client is seeking a Senior Software Engineer to join their Portfolio Optimization team — a core group responsible for building the technology that drives their balance-sheet and exposure-management platform. This is a hands-on development role in a highly technical environment, where you'll be contributing to systems that power critical decision-making for the world's leading financial institutions.You'll collaborate closely with quantitative analysts, product managers, and other engineers to design and implement robust, scalable, and high-performance solutions that support large-scale data processing, analytics, and optimization algorithms.Key ResponsibilitiesTake active part in a team of developers working on my client's Portfolio Optimisation productsDesign software according to agreed standards, architecture, and requirementsPlan and build high quality, scalable, and secure solutionsWork closely with team lead, team members and product managers in defining and implementing roadmap featuresContribute and drive technological and architectural decisionsInterface with various R&D groups, as well as support groupsWho You AreB.Sc. degree in Computer Science, SW Engineering or equivalent (M.Sc. is an advantage)Experienced in Java server-side development, including cloud services (preferably AWS)Experienced with C# and .NET (ability to understand code and general knowledge of the framework)Experience in building complex, large-scale software solutions from scratch to live productionExperience with Java, Spring Boot, Spring Data, JPA, Swagger, Maven, Kafka, PostgreSQL, Jenkins, GIT, RESTful Services, DockerStrong analytical skillsSelf-starter, fast learner, and great interpersonal skillsExcellent English communication skills – spoken and writtenFinancial affinity is an advantageA "Can-Do" mentality and mindsetCan learn and work in a fast-paced, dynamic environment



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