We are looking for a Lead Python Developer with AWS expertise to spearhead Treasury technology initiatives. In this role, you will lead backend engineering efforts, define scalable microservices architectures, and drive the integration of diverse data sources into unified data models. You will collaborate with global teams, lead and mentor engineers across seniority levels, own architectural decisions, and shape the technical direction of high-stakes financial applications.

Responsibilities

- Define and own the design and implementation of microservices architectures, API gateways, and inter-service communication

- Lead the development and optimization of backend services using Python and modern frameworks

- Architect solutions for integrating data from multiple sources (xlsx, pdf, csv, json) into a common data model

- Establish standards and best practices for building and maintaining REST APIs with a focus on performance and scalability

- Lead, mentor, and provide technical guidance to engineering team members, fostering their professional growth

- Drive automation strategies and oversee operating system-level operations through shell scripting

- Troubleshoot and resolve complex system and application issues, guiding the team through root-cause analysis

- Champion strong test coverage through robust unit testing and test automation frameworks

- Collaborate with globally distributed teams in an agile environment and represent the team in cross-functional discussions

- Lead code reviews, drive peer learning initiatives, and set engineering quality standards

- Partner with stakeholders and product owners to translate business needs into technical solutions

Requirements

- 5+ years of professional experience in Python development

- At least 1 year of relevant leadership experience

- Deep proficiency in backend frameworks such as FastAPI, Django, and Flask, including API design and optimization

- Proven expertise in system design and software architecture, including microservices, API gateways, and inter-service communication





- Strong skills in designing solutions for integrating data from multiple formats (xlsx, pdf, csv, json) into a common data model

- Demonstrated experience leading and mentoring engineering teams from a technical perspective, including performance guidance and career development

- Advanced knowledge of shell scripting (e.g., Bash) for task automation and OS-level management

- Solid understanding of Linux/Unix operating systems, including process management, basic networking, and application layer integration

- Hands-on experience with AWS, GitHub Actions, and REST API development

- Strong competency in test automation and robust unit testing practices, with the ability to define testing strategy

- Experience leading agile teams on complex, high-stakes applications

- Collaborative leadership mindset with proven ability to work across global teams

- Experience driving technical decision-making and architectural direction

- Familiarity with Atlassian tools such as Jira and Confluence

- Excellent written and verbal communication skills in English (B2+ level)

Nice to have

- Frontend development experience with React and TypeScript

- Finance domain expertise, ideally in Payments or Treasury

- Familiarity with Dagster, Kubernetes, and Pandas

- Knowledge of dbt

We offer

- International projects with top brands

- Work with integral teams of highly skilled, diverse peers

- Healthcare benefits

- Employee financial programs

- Paid time off and sick leave

- Upskilling, reskilling and certification courses

- Unlimited access to the LinkedIn Learning library and 22,000+ courses

- Global career opportunities

- Volunteer and community involvement opportunities

- EPAM Employee Groups

- Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn

EPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.

📌 Lead Python Developer with AWS (Colombia)
🏢 EPAM Systems
📍 Colombia