Senior Software Engineer

OPSWAT, a global leader in IT, OT, and ICS critical infrastructure cybersecurity, delivers an end-to-end platform that gives public and private sector organizations and enterprises the critical advantage needed to protect their complex networks, secure their devices, and ensure compliance. Over the last 20 years our commitment to innovative technology has earned the trust of more than 1,700 organizations, governments, and institutions globally, solidifying our role in protecting the world's critical infrastructure and securing our way of life.
What You'll Do
Design, build, and test SFG in C++ or Rust (Windows/Linux) as the transparent proxy between WAF and backend.
Implement the core flow: intercept uploads → forward to MetaDefender Core over ICAP → return sanitized files, with low latency and high reliability.
Build multi-threaded, high-concurrency networking components.
Build and use agentic workflows (e.g., Claude Code, autonomous coding agents) daily for coding, testing, and debugging.
Work within a Scrum team; collaborate with Product Management; do peer code reviews.
What We Need
Strong OOP background (Java/C#), willing to learn/work in C++ or Rust.
Solid multi-threading and network programming skills.
Comfort with protocol/network-level concepts (TCP/IP, HTTP, proxying).
Genuine interest in using AI tools in your dev workflow.
Experience building or using multi-agents
Good coding/debugging skills, strong communication, self-motivated.
Nice to Have
ICAP protocol, reverse proxy / gateway experience.
REST API design.
Agile/Scrum, Git/Bitbucket/Jira/Confluence/TeamCity.
DBMS (SQLite, PostgreSQL, etc.).
Windows/Linux dev experience.
OPSWAT is an equal opportunity employer. We celebrate diversity and are committed to providing an environment where equal employment opportunities are extended to all employees and applicants, free of discrimination and harassment of any type. All employment decisions are based on individual qualifications, job requirements, and business needs without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other category protected by federal, state, or local laws.
Recruiting Agencies: we do not accept unsolicited resumes from third party agencies for any of our open positions. To submit resumes for our jobs, there must be a recruiting contract approved by our legal team and endorsed by both parties. We are currently not accepting additional 3rd party agencies at this time.