Sr. Full Stack Developer

Position Title: Full Stack Developer (AWS)
Location: Fully Remote - (EST/CST Preferred)
Clearance Requirements: U.S. Citizenship or Green Card required and must be eligible for Public Trust clearance
Position Status: 12+ Months Contract

Position Description: We are seeking a highly skilled Full Stack Cloud Developer to join a modernization and innovation-focused digital team supporting enterprise-scale cloud initiatives. In this role, you will collaborate with cross-functional stakeholders including product owners, UX designers, architects, and engineers to design, build, test, and deploy scalable, secure, and resilient cloud-native applications on the AWS platform .
This is a hands-on engineering role ideal for professionals who enjoy solving complex technical challenges, building modern distributed systems, and contributing to high-impact digital transformation efforts. You will play a key role in application modernization, solution prototyping, and delivering production-ready software using modern full-stack and cloud technologies.

Key Responsibilities:

• Design, develop, test, and deploy full-stack, cloud-native applications using AWS services
• Build scalable and secure distributed systems leveraging microservices architecture, containerization, and API-first design patterns
• Develop frontend and backend services using Python and JavaScript-based frameworks
• Collaborate closely with UX, DevOps, security, and product teams to deliver high-value software solutions
• Support application modernization efforts and develop technical solution prototypes
• Apply Agile and Scaled Agile principles to plan, build, and deliver software efficiently
• Mentor and support team members while contributing to a collaborative engineering culture
• Communicate technical concepts clearly to both technical and non-technical stakeholders

Required Skills / Education:

• U.S. Citizen or Green Card holder
• Bachelor's degree or equivalent professional experience (10+ years total experience considered in lieu of degree)
• 6+ years of hands-on full-stack application development experience
• 3+ years of cloud application development experience on AWS
• Strong proficiency in Python and JavaScript (must-have skills)
• Backend framework experience with Django or equivalents such as Flask, FastAPI, Falcon, or SQLAlchemy
• Frontend framework experience with Vue.js or equivalents such as React, Angular (v1.6+), or Svelte
• Experience building cloud-native, API-driven applications
• Strong understanding of Agile methodologies and experience working in Agile delivery environments
• Ability to work independently while collaborating effectively with distributed teams

Nice to Have:

• AWS Certifications (Developer or Solutions Architect)
• Experience with Docker, Kubernetes/EKS, AWS Lambda, API Gateway, Step Functions, EventBridge
• Knowledge of CI/CD pipelines , DevSecOps practices, and automation tooling
• Experience with RDS (PostgreSQL), MongoDB, Redis, Memcached, Elasticsearch
• Familiarity with AWS Well-Architected Framework and Serverless Application Model (SAM)
• Experience supporting technical documentation, white papers, or solution design for proposals
• Excellent written and verbal communication skills

About Seneca Resources: At Seneca Resources, we are more than a staffing and consulting firm-we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we connect top talent with impactful opportunities that drive career growth.
When you work with Seneca, you gain access to meaningful projects, competitive compensation, comprehensive health, dental, and vision benefits, 401(k) retirement plans, and a dedicated recruiting team that advocates for your success. We are proud to be an Equal Opportunity Employer and are committed to building a diverse, inclusive workforce where all qualified individuals are encouraged to apply.