Senior Software Engineer (Full Stack)

Position Title: Senior Software Engineer (Full Stack)

Clearance Requirements: Must be a U.S. Citizen

Position Status: Contract

Position Description: We are seeking a Senior Full Stack Software Engineer to join a high-impact federal program team. This role offers the opportunity to work remotely while contributing to innovative, cloud-based applications that make a difference nationwide.

You’ll design, develop, and deploy scalable full stack solutions leveraging modern technologies across Node.js, React, Python, and AWS. The ideal candidate is passionate about solving complex problems, values clean and maintainable code, and thrives in an agile, collaborative environment.

If you’re looking for a place to apply your technical expertise, take ownership of your work, and push the boundaries of innovation — this opportunity is for you.

Responsibilities:

• Design, develop, and deploy robust full stack applications in a cloud environment.
• Build and optimize REST APIs using Node.js (Express or Next.js) and modern frontend frameworks like React or Next.js.
• Write clean, efficient, and testable code while adhering to established coding standards.
• Conduct peer code reviews, implement unit and integration testing, and ensure overall code quality.
• Work with relational databases (PostgreSQL) and ORM technologies such as TypeORM.
• Collaborate with cross-functional teams in an agile environment (Scrum).
• Leverage AWS cloud services to design scalable and secure solutions.
• Stay current with new technologies, tools, and best practices in full stack and cloud development.
• Contribute ideas to improve architecture, performance, and automation processes.

Required Skills & Education:

• Bachelor’s degree in Computer Science, Information Systems, or related field (or equivalent experience).
• 5+ years of experience in full stack software development, with a strong grasp of design patterns, testing, and clean coding principles.
• 3+ years of Node.js experience (Express or Next.js).
• 3+ years of frontend development using React or Next.js.
• 2+ years of Python development.
• 2+ years of experience working with AWS cloud services and cloud-native applications.
• 2+ years of experience building applications with SQL databases (PostgreSQL preferred).
• Hands-on experience with ORM tools such as TypeORM.
• Proven experience in Agile/Scrum development environments.
• Must be a U.S. Citizen and reside within the United States.

Preferred Qualifications:

• Familiarity with Generative AI or LLM-based applications.
• Experience with serverless and event-driven architectures.
• Knowledge of containers, ECS, and microservices.
• Exposure to DevSecOps practices, including IaC, CaC, and CI/CD pipelines.
• AWS certifications are a plus.
• Excellent written and verbal communication skills.

About Seneca Resources

At Seneca Resources, we’re more than a staffing and consulting firm — we’re a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we help professionals grow their careers while making a meaningful impact.

When you work with Seneca, you’re joining a team that invests in your success. Our consultants enjoy:

• Competitive pay and benefits (health, dental, vision, and 401k)
• Access to leading projects nationwide
• A dedicated support team advocating for your career growth

We believe in inclusivity, respect, and opportunity for all. Seneca Resources is proud to be an Equal Opportunity Employer, fostering a diverse and welcoming workplace where everyone is encouraged to apply.