Software Engineer II

STraffic; Fairfax (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

STraffic in Vienna, VA is seeking a mid-level Full-Stack Software Engineer to build robust web applications using React, TypeScript, Spring Boot, and PostgreSQL. Key focus on DevOps practices, CI/CD, and AWS deployments in a collaborative Agile environment.

You will work across frontend and backend teams, implement RESTful APIs, and contribute to architecture and documentation while coordinating with U.S. and Korea time zones.

Qualifications

• 3–5 years of full-stack software development experience.
• Proficiency with JavaScript/TypeScript, React, and Spring Boot.

Responsibilities

• Develop and maintain full-stack web applications using React/TypeScript and Spring Boot.
• Design, implement, and maintain RESTful APIs and server-side logic.
• Develop and manage relational databases with PostgreSQL and ORM tools.
• Set up and maintain CI/CD pipelines; deploy to AWS (EC2, S3, RDS, ECS).
• Collaborate in Agile ceremonies and document system architectures.

Skills

Frontend Dev

Backend Dev

DevOps

REST APIs

PostgreSQL

AWS

CI/CD

React

TypeScript

Spring Boot

Education

Bachelor's degree

Tools

IntelliJ IDEA

VS Code

Confluence

Figma

Job description

Job Title: Software Engineer II

Department: Software Development
Reports To: SW Team Lead
Location: Vienna, Virginia
FLSA Status: Exempt
Employment Type: Full-time
Experience Level: Mid-level (3 years)

Job Summary

The Full-Stack Software Engineer is responsible for developing and maintaining robust web applications using modern full-stack technologies including React, TypeScript, Spring Boot, and PostgreSQL. The ideal candidate has solid DevOps knowledge, hands-on CI/CD experience, and thrives in a collaborative, Agile/DevOps environment.

Duties/Responsibilities

• Frontend Development
  • Develop and maintain responsive user interfaces based on Figma designs.
  • Implement client-side business logic and data interactions using RESTful APIs (e.g., Axios).
  • Collaborate with UI/UX designers and product teams to ensure a user-centered experience.
• Backend Development
  • Design, develop, and maintain RESTful APIs and server-side business logic using Spring Boot.
  • Develop and manage relational databases using PostgreSQL and ORM tools (e.g., MyBatis).
  • Ensure backend solutions are scalable, secure, and maintainable.
• DevOps & Deployment
  • Configure, maintain, and optimize CI/CD pipelines using Jenkins or GitLab CI/CD.
  • Deploy and monitor applications in AWS environments (e.g., EC2, S3, RDS, ECS).
  • Implement performance monitoring solutions using tools such as Prometheus and Grafana.
• Collaboration & Documentation
  • Participate in Agile ceremonies and cross-functional team collaboration.
  • Prepare and maintain technical documentation, including architecture diagrams and system specifications.
  • Participate in regular meetings across U.S. and Korean teams, with flexibility for time-zone differences.

Skills and Abilities

• Strong understanding of relational databases and experience with PostgreSQL.
• Familiarity with DevOps practices, CI/CD pipelines, and AWS-based deployment.
• Comfortable using Git-based version control systems (e.g., GitLab).
• Excellent written and verbal communication skills.
• Ability to work both independently and collaboratively in a fast-paced environment.
• Working knowledge of Kafka, Redis, Prometheus, and Grafana (preferred).

Education and Experience

• Bachelor’s degree in computer science, Engineering, or related field (or equivalent experience).
• 3–5 years of full-stack software development experience.
• Proficiency with JavaScript, HTML, CSS, and modern front-end frameworks (React preferred).
• Proficiency in Java, JavaScript/TypeScript, React, and Spring Boot.
• Experience using development tools such as IntelliJ IDEA, Visual Studio Code, Confluence, and Figma (preferred).
• Prior experience working in small-to-mid-sized teams or cross-regional projects (preferred).

Physical Requirements

• Ability to sit or stand for prolonged periods and work at a computer.
• Occasional lifting of files or materials (up to 20 lbs.).