Backend Software Engineer (Java/Python)

1 point system

Mclean, VA • On-site

Contractor

Re-posted 15 days ago


Job description

Role Overview
We are looking for an experienced Backend Software Engineer with strong expertise in Java and/or Python. The ideal candidate will have a solid foundation in backend development, database systems, and modern software development practices. This role involves designing, developing, and maintaining scalable applications while collaborating with cross-functional teams.

Must-Have Qualifications

  • 7+ years of relevant software development experience
  • Strong hands-on experience with Java (8+) and/or Python
  • Solid communication and interpersonal skills
  • Strong foundational understanding of databases and data modeling

Required Experience & Education

  • 7–10 years of professional software development experience
  • Bachelor’s degree in Computer Science or related field (or equivalent experience)
  • Strong ability to communicate technical concepts to both technical and non-technical stakeholders

Core Technical Skills (Backend)

  • Strong proficiency in Java and/or Python
  • Deep understanding of:
    • Collections & data structures
    • I/O operations
    • Concurrency, multithreading, and asynchronous programming
  • Strong experience building and consuming RESTful APIs

Frameworks

  • Java: Spring Core, Spring MVC, Spring Boot, Spring Security, Spring Data
  • Python: Flask, FastAPI, Django (or equivalent), ORM frameworks, authentication/security patterns

Additional Skills

  • Experience with event streaming technologies (Kafka preferred)
  • Proficiency in build/test tools:
    • Maven / Gradle
    • JUnit / Mockito
    • pytest / unittest
  • Familiarity with CI-friendly testing practices

Database & Data Skills

  • Strong experience with RDBMS (e.g., MS SQL Server)
  • Expertise in data modeling and advanced SQL
  • Ability to perform reporting, troubleshooting, and data analysis
  • Experience with:
    • XML/XSD
    • JSON

DevOps / SDLC / Tools

  • Working knowledge of Docker
  • Understanding of SDLC and application lifecycle management
  • Experience with CI/CD pipelines
  • Hands-on experience with tools like:
    • JIRA
    • Jenkins

Front-End (Basic Understanding)

  • Working knowledge of:
    • HTML
    • JavaScript
    • CSS
  • Ability to support integration and debugging across the stack

Preferred / Nice-to-Have (AI/ML)

  • Python experience in automation or AI/ML integration
  • Familiarity with:
    • Model endpoint integrations
    • Model evaluation and deployment
  • Exposure to MCP (Model Context Protocol) is a plus

Soft Skills

  • Strong communication (written and verbal)
  • Excellent problem-solving and analytical skills
  • Adaptable and flexible in a fast-paced environment
  • Ability to quickly learn and work across multiple technologies



Frequently asked questions

Q: What skills or qualities help someone succeed as a Backend Python Developer?

A: To succeed as a Backend Python Developer, key technical skills include proficiency in Python programming language, experience with frameworks such as Django or Flask, and knowledge of databases like MySQL or PostgreSQL. Additionally, soft skills like strong problem-solving abilities, effective communication, and collaboration with cross-functional teams are crucial for success in this role. By combining technical expertise with strong soft skills, Backend Python Developers can design, develop, and maintain scalable, efficient, and secure backend systems, ultimately driving business growth and career advancement.

Q: What is the career path for a Backend Python Developer?

A: A Backend Python Developer's typical career progression involves starting as a Junior Backend Developer, where they focus on building and maintaining server-side applications using Python frameworks like Django or Flask. As they gain experience, they can move into mid-level roles such as Backend Engineer or Technical Lead, where they oversee the development of complex systems, mentor junior team members, and contribute to technical decision-making. Ultimately, senior Backend Developers can become Technical Architects or Engineering Managers, overseeing large-scale projects, leading teams, and driving technical strategy.



1 point system job posting for a Backend Software Engineer (Java/Python) in McLean, VA, with a map of McLean location.