OPSWAT

Protects critical infrastructure from malware

Software Engineer Intern - Metadefender Cloud

Backend EngineeringConfirmed live in the last 24 hours

InternshipHo Chi Minh City, VietnamNo salary listedIn-person

About the Job

Requirements

Pursue or have completed a degree in Computer Science, Software Engineering, or equivalent.
Commit to at least four months for the internship, or work full-time as an associate.
Communicate clearly in written English and describe problems and solutions concisely.
Understand programming fundamentals, including data structures, algorithms, and object-oriented programming.
Have hands-on experience with JavaScript or TypeScript; coursework and personal projects count.
Be familiar with Git, including branching, pull requests, and resolving conflicts.
Understand REST APIs, including HTTP methods, status codes, and request/response structure.
Be able to read and understand existing code in an unfamiliar codebase.
Use AI coding tools such as GitHub Copilot, Cursor, Claude, or ChatGPT in daily workflow; prompt effectively, verify output, and avoid blindly trusting generated code.
Be comfortable working in a Linux or macOS terminal.
Know how to run a project locally with Docker Compose.
Be able to use a debugger or structured logging to trace a bug.

Responsibilities

Implement small features and bug fixes across backend services using Node.js and TypeScript under guidance from senior engineers.
Write unit and integration tests to improve coverage on existing modules.
Participate in code reviews by receiving feedback and reviewing peers' work.
Debug issues in local and staging environments using logs and tracing tools.
Read and understand event-driven flows, including Kafka consumers and RabbitMQ handlers, to contribute to ingestion and processing pipelines.
Update and maintain internal documentation, API specifications, and runbooks.
Join sprint planning, daily standups, and retrospectives as an active team member.
Experiment with frontend components in the internal tooling dashboard using React and TypeScript.

Desired Qualifications

Have prior internship or project experience with a Node.js or TypeScript backend.
Be familiar with a testing framework such as Jest, Vitest, or Mocha.
Have basic React knowledge and be able to build or modify a UI component.
Have exposure to message queues such as Kafka, RabbitMQ, or Redis.
Understand what a microservice is and why services communicate over events.
Have experience with a cloud provider such as AWS, GCP, or Azure.
Have an interest in cybersecurity, including malware analysis, threat intelligence, or security tooling.
Have read about or experimented with CI/CD pipelines.
Have experience building features or scripts with AI assistance end-to-end, from prompt design to testing the result.
Understand limitations of LLM-generated code, including hallucinations, outdated APIs, and security blind spots.
Have experimented with AI APIs such as OpenAI, Anthropic, or Gemini in side projects.
Have basic familiarity with concepts such as RAG, embeddings, or function calling.

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.

The Position

OPSWAT is now searching for aSoftware Engineering Internto join our MDCloud product. MDCloud is a real-time malware scanning platform handling 30M+ requests/day, built on a Node.js/TypeScript microservices architecture with event streaming (Kafka, RabbitMQ) and React frontend.

As an Intern, you'll work directly with senior engineers shipping real features, fixing real bugs, and learning how a production-grade cybersecurity platform is built and operated.

What You Will Be Doing

Implement small features and bug fixes across backend services (Node.js/TypeScript) under guidance from senior engineers
Write unit and integration tests to improve coverage on existing modules
Participate in code reviews: receiving feedback and reviewing peers
Debug issues in local and staging environments using logs and tracing tools
Read and understand event-driven flows (Kafka consumers, RabbitMQ handlers) to contribute to ingestion and processing pipelines
Update and maintain internal documentation, API specs, and runbooks
Join sprint planning, daily standups, and retrospectives as an active team member
Experiment with frontend components in the internal tooling dashboard (React + TypeScript)

What You'll Learn

By the end of your time on MDCloud, you'll have hands-on exposure to:

Production TypeScript microservices: structure, patterns, and testing
Event-driven architecture with Kafka and RabbitMQ
Docker and basic Kubernetes concepts (deployment, logs, exec)
Code review culture and engineering standards in a global product company
How a cybersecurity SaaS platform processes millions of file scan requests

What We Need From You

Education & Background

Pursuing or completed a degree in Computer Science, Software Engineering, or equivalent
Able to commit at least 4 months (internship) or full-time (associate)

Soft Skills

Curious and proactive
Communicates clearly in English (written); able to describe problems and solutions concisely
Receptive to feedback and willing to iterate quickly
Comfortable working in a team across different timezones

Technical Fundamentals

Solid understanding of programming fundamentals:data structures, algorithms,OOP
Hands-on experience withJavaScript orTypeScript coursework or personal projects count
Familiar withGit: branching, pull requests, resolving conflicts
Basic understanding ofRESTAPIs: HTTP methods, status codes, request/response structure
Able to read and understand existing code in an unfamiliar codebase
Actively usesAI coding tools(GitHub Copilot, Cursor, Claude, ChatGPT) as part of daily workflow, knows how to prompt effectively, verify output, and not blindly trust generated code

Dev Environment

Comfortable working in a Linux/macOS terminal
Knows how to run a project locally with Docker Compose
Can use a debugger or structured logging to trace a bug

If Would Be Nice If You Had

Prior internship or project experience with a Node.js or TypeScript backend
Familiar with any testing framework (Jest, Vitest, Mocha)
Basic React knowledge: able to build or modify a UI component
Exposure to message queues (Kafka, RabbitMQ, Redis)
Knows what a microservice is and why services communicate over events
Experience with any cloud provider (AWS, GCP, Azure)
Interest incybersecurity: malware analysis, threat intelligence, or security tooling
Has read about or experimented with CI/CD pipelines
Experience building features or scriptswith AI assistance end-to-end from prompt design to testing the result
Understands limitations of LLM-generated code: hallucinations, outdated APIs, security blind spots
Has experimented withAI APIs(OpenAI, Anthropic, Gemini) in side projects
Familiar with concepts like RAG, embeddings, or function calling even at a basic level

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.

About the Company

OPSWAT

Protects critical infrastructure from malware

OPSWAT provides cybersecurity solutions that protect critical infrastructure from malware and zero-day attacks by focusing on threat prevention and secure data transfer. Its products secure files and devices at all stages—entry, exit, and rest—ensuring secure access and safe data exchange. The company differentiates itself through deep specialization in high-risk sectors like energy, finance, and government, and by achieving widespread trust (notably 98% of U.S. nuclear power facilities) for its compliance-driven approach. Its goal is to help organizations maintain secure, compliant operations and minimize the risk of cyber compromise while keeping systems productive.

Company size: 1,001-5,000
Company stage: Growth Equity (Venture Capital)
Total funding: $125M
Headquarters: Tampa, FL
Founded: 2002

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