Senior Full Stack Engineer – Commercial Banking
London
Senior Full Stack Engineer – Commercial Banking
United Fintech is building a global platform that connects financial institutions with modern, scalable technology solutions. Through acquisitions and partnerships, we bring together market‑leading fintech products that serve banks, asset managers, and financial institutions worldwide.
Based in London, Trade Ledger is an integral part of the United Fintech platform, transforming the financial services industry with our cutting‑edge lending platform. To strengthen this area, we are now seeking a Full Stack Engineer to join our growing team.
We’re looking for someone motivated by the intersection of banking operations, technology, and client delivery – ready to take ownership of product evolution in a truly global context.
The Role
As Senior Engineer, you will take a leading role in ongoing development and implementation of our commercial banking solutions. This is a senior, hands‑on position where you will contribute to both the business and technical dimensions of our platform, ensuring that our offering remains best in class.
Key Responsibilities
* Architect holistic solutions that seamlessly integrate across our entire technical ecosystem
* Design, develop, and maintain scalable backend services using Java, Kotlin, and Spring Boot
* Contribute to CI/CD pipelines, automated testing and observability improvements
* Mentor junior engineers and foster a culture of continuous technical excellence
* Translate business requirements into technical solutions with exceptional clarity
* Design elegant, scalable APIs and system architectures
* Apply deep technical knowledge across multiple domains and technology stacks
* Make architectural decisions that balance immediate needs with long‑term vision
* Leverage AI to solve complex technical challenges more efficiently
Candidate Profile
We are looking for an experienced product professional who combines deep engineering knowledge with a practical and collaborative mindset.
What you will bring
* 5+ years of experience in software engineering with ability to adapt across different technology stacks
* Holistic systems‑thinking approach to technical challenges
* Ability to collaborate with front‑end engineers to review code, features and evolve system architecture and engineering practices
* Strong foundation in software architecture principles
* Experience using AI tools as collaborative partners in development
* Proficiency in Java/Spring ecosystem, with the ability to quickly adapt to new frameworks
* Proficiency in Python scripting and common frameworks
* Expertise in designing and implementing robust, scalable distributed systems
* Deep understanding of API design principles and continual research, evaluation and implementation of new technologies to improve the platform
* Experience with event‑driven architectures and message brokers (particularly Kafka)
* Strong knowledge of containerization, orchestration, and cloud deployment (Azure preferred)
* Proven ability to balance technical debt against delivery priorities
* Strong testing mindset with experience in automated testing approaches
* Proficiency in SQL and database design (PostgreSQL experience preferred)
* Excellent problem‑solving skills with the ability to navigate ambiguity
Working at United Fintech London
We value independent thinking and flexibility, supporting you in achieving your goals while shaping solutions that matter to the global financial community.
To Apply
Please submit your CV and a short statement outlining what excites you about working in trade finance product management.
About United Fintech
Founded in 2020 and backed by the industry, United Fintech is a Digital Transformation Platform where global financial institutions and cutting‑edge technology providers come together to unleash their full potential and enable the future of finance. United Fintech remains on the frontier of innovation by acquiring engineering‑led fintechs within capital markets, wholesale banking, and wealth management under a central umbrella. In just over four years, the company has acquired six fintechs. In 2024, United Fintech received strategic investments from Barclays, BNP Paribas, Citi, Danske Bank and Standard Chartered.
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