We're in the process of adding a Senior Full-Stack Developer with substantial, hands-on .NET background to our growing organization. This position suits professionals who enjoy working across the full breadth of the technology stack and who take genuine satisfaction in creating software that's both robust and trustworthy. You'll be part of a team that holds collaboration, disciplined technical craftsmanship, and ongoing skill-building in high regard. This role provides a genuine opportunity to influence meaningful products while working closely with experienced colleagues committed to producing quality outcomes.

Responsibilities

- Direct the complete process of web application development, encompassing planning, coding, testing, and issue resolution
- Introduce additional functionality designed to broaden and improve an already-live product
- Assemble new system modules and incorporate external tools into the current application framework based on what each project requires
- Follow agreed-upon coding standards and contribute meaningfully to reviewing teammates' code
- Treat quality assurance as a central concern at every point in the development lifecycle
- Conduct testing throughout the build process to confirm delivered results meet functional and quality expectations
- Review requirement details carefully during backlog grooming and refinement sessions
- Maintain and improve existing technical infrastructure to ensure consistent, reliable operation
- Share in rotating on-call duties as part of the team's collective responsibilities

Requirements

- No less than three years of hands-on professional experience with .NET and C#
- High-level JavaScript ability supported by genuine, practical jQuery experience
- Significant experience applying the ASP.NET MVC framework within actual production projects




- Adequate skill with Bootstrap for organizing and styling front-end interface elements
- Competent application of CSS and HTML for building and arranging web interface pieces
- Strong communication and teamwork skills, evident through active participation in a large, internationally distributed engineering team
- Working English proficiency at B2 level or above, both written and spoken, to properly interpret business needs and translate them into effective technical solutions

Nice to have

- Familiarity with ASP.NET WebForms, including experience assisting in the shift of WebForms projects to MVC
- Introductory-level knowledge of Bootstrap for front-end development tasks
- Practical familiarity with LINQ for handling data queries and operations in .NET applications
- Thorough understanding of relational database fundamentals along with SQL skills
- Direct, applied experience with Microsoft SQL Server
- Background in either building new systems or updating existing large-scale, complex technical structures

We offer

- International projects with top brands
- Work with general 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.

📌 Senior Full-Stack Developer (.NET) (Colombia)
🏢 EPAM Systems
📍 Colombia