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. *We accept* *CVs in English only.* **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 **We offer** * Learning Culture \- We want you to be the best version of yourself, that is why we offer unlimited access to learning platforms, a wide range of internal courses, and all the knowledge you need to grow professionally * Health Coverage \- Health and wellness are important, that is why we have you and up to four family members in a premiere health plan. We have a couple of options, so you can choose what is best for you and your family * Visual Benefit \- Seeing your work for us would be a sight for sore eyes. We want your vision to always be at 100% which is why we offer up to $200\.000 COP for any visual health expenses * Life Insurance Plan \- We have partnered with MetLife to offer a full\-coverage Ife insurance plan. So, your family is covered, even if you are gone. * Medical Leave Coverage \- We are one of the few companies that cover 100% of your medical leave, for up to 90 days. Your health is the most important thing to us * Professional Growth Opportunities \- We have designed a highly competitive and complete development process, where you will have all the tools to get where you have always wanted to be, personally and professionally * Stock Option Purchase Plan \- As an EPAMer you can be more than just an employee, you will also have the opportunity to purchase stock at a reduced price and become a part owner of our organization * Additional Income \- Besides your regular salary, you will also have the chance to earn extra income by referring talent, being a technical interviewer, and many more ways * Community Benefit \- You will be part of a worldwide community of over 50,000 employees, where you can learn, challenge yourself, stand out, and share your knowledge and experience with multicultural teams! *Please note that even though you are applying for this position, you may be offered other projects to join within EPAM.* EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi\-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting\-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.