Summary: Join as a Senior Full-Stack Engineer to develop and refactor Treasury-focused technology solutions, ensuring accuracy, compliance, and high reliability of critical systems. Highlights: 1. Drive development of Treasury-focused technology solutions 2. Refactor and redesign critical systems for stability and uptime 3. Collaborate with cross-functional agile teams on complex initiatives We are looking for a **Senior Full\-Stack Engineer** to join our team and drive the development of Treasury\-focused technology solutions. You will take ownership of applications responsible for wire transfer processing and global bank account management, ensuring these systems are accurate, compliant, and highly reliable. Your role will center on refactoring and redesigning critical systems while ensuring their stability and uptime for Treasury operations. **Responsibilities** * Develop, enhance, and maintain applications using Python, FastAPI, React, and PostgreSQL * Refactor and redesign legacy systems to improve performance, scalability, and compliance * Build and maintain high\-performance, secure, and resilient microservices and APIs * Perform test automation and manual integration testing for robust code delivery * Architect and implement solutions that support resiliency and auditability in payment platforms * Design and evaluate database models to ensure efficient data storage and retrieval * Collaborate with cross\-functional agile teams across global time zones on complex Treasury initiatives * Ensure compliance with financial audit standards and best practices in Treasury systems * Monitor deployments using AWS services, including S3, Lambda, and CloudWatch * Promote code quality by participating in code reviews and engaging in peer learning * Use Atlassian tools like Jira and Confluence to document, track, and manage work * Drive efforts in applying DevOps and CI/CD practices to optimize development pipelines **Requirements** * 3\+ years of experience in full\-stack software development using Python, React, and FastAPI * Experience with PostgreSQL, SQL, and basic data analysis * Expertise in developing and integrating React applications for front\-end functionality * System design expertise including microservices architecture, API design, and database modeling * Knowledge of Docker for containerization and deployment of applications * Background with test automation and integration testing tools for reliable delivery pipelines * Familiarity with AWS services such as S3 buckets, Lambda, AWS AKS, and CloudWatch * Experience in refactoring financial systems with a focus on compliance and operational reliability * Proficiency with Atlassian tools like Jira and Confluence for project management and collaboration * Experience in agile team workflows, working on high\-stakes, mission\-critical applications * Strong collaborative mindset with an ability to engage effectively across global teams * English level of minimum B2 (Upper\-intermediate) for effective communication **Nice to have** Experience with GitHub Actions, Jira* GitHub integrations, and DevOps best practises * Background with payment networks, SWIFT/ACH processing, and Treasury systems integration * Prior exposure to financial services or Treasury operations, with domain knowledge in payments, wire transfers, account reconciliations, and cash management