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. We are looking for a Senior C++ Developer to join our team.

This role is well-suited for someone who enjoys tackling intricate security challenges within large-scale, open-source infrastructure projects. You will work at the intersection of systems programming and security engineering, contributing directly to widely-used networking technology.

Responsibilities Remediate security vulnerabilities in the open-source Envoy Proxy codebase (C++) sourced from a Google-triaged Buganizer backlog

Submit patches to Envoy's private security repository (envoy-setec) for review by Envoy maintainers

Back-port approved fixes to supported Envoy release branches

Integrate approved fixes into Google3 following the designated patching process, including Google FTE review, without the use of AI tooling on Google3

Guard all behavior-affecting fixes behind Envoy runtime flags to minimize risk

Escalate complex or ambiguous cases to Google technical leads for guidance Requirements A minimum of 3 years of relevant experience

Strong production-level C++ development skills





Experience with network programming in C++, including sockets, TCP/UDP, TLS termination, and HTTP protocol handling such as parsing, framing, and connection lifecycle management

Experience building asynchronous, event-driven server architectures, including epoll/libevent-style event loops and non-blocking I/O

Proven ability to analyze and fix security vulnerabilities

Experience using LLM/AI-agent-assisted tools to generate vulnerability fixes

Experience with GitHub, including pull requests, upstream open-source contributions, and code review

Strong written and spoken proficiency in English at a B2 level or higher Nice to have Familiarity with Envoy internals or proxy/networking code, including HTTP/1.1, HTTP/2, HTTP/3, and TLS

Experience working within large monorepo codebases 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.

📌 Senior C++ Developer (Colombia)
🏢 EPAM Systems
📍 Colombia