Senior Full-Stack Engineer — AI-Driven APIs & Cloud

Captechconsulting; Reston (VA); Hybrid; USD 110,000 - 140,000; Full time

Benefits offered by this job

Health insurance

Vision insurance

401(k) Matching

Paid time off

Remote work options

Flexible schedule

Tuition support

Job summary

CapTech is seeking a seasoned Full-Stack Developer to design, develop, and maintain applications on the Microsoft Stack or Java, delivering robust RESTful APIs with Swagger/OpenAPI documentation. You will design scalable databases (SQL Server, NoSQL on Azure/AWS/GCP) and contribute to multi-system integrations within a collaborative, learning-driven environment.

You will work across distributed systems and cloud deployments, ensuring performance and maintainability while mentoring teammates and

Qualifications

• 6+ years of experience designing, developing, and maintaining applications on the Microsoft Stack OR Java.
• Hands-on experience building and consuming RESTful APIs, including API documentation with Swagger / OpenAPI.
• Strong background in database design and development, including SQL Server and NoSQL technologies such as Azure OR AWS OR GCP.
• Experience with source control systems (e.g., Git) and collaborative development workflows.
• Familiarity with multi-system integrations, distributed systems, and common enterprise integration challenges.

Responsibilities

• Collaborate with team members and clients to deliver a technical solution that meets the unique needs of our clients.
• Create quality deliverables to communicate technical solutions to appropriate audiences.
• Leverage CapTech's internal programs and self-directed training to continually develop industry relevant knowledge and skills.
• Understand and implement object-oriented design patterns.
• Provide technical mentoring.

Skills

Microsoft Stack

Java

REST APIs

API Documentation

SQL Server

NoSQL Databases

Azure

AWS

GCP

AI toolset

Agentic AI development

AI orchestration

Distributed systems

Performance tuning

Communication

Tools

Git

Swagger/OpenAPI

Job description

CapTech is seeking a seasoned Full-Stack Developer to design, develop, and maintain applications on the Microsoft Stack or Java, delivering robust RESTful APIs with Swagger/OpenAPI documentation. You will design scalable databases (SQL Server, NoSQL on Azure/AWS/GCP) and contribute to multi-system integrations within a collaborative, learning-driven environment.

You will work across distributed systems and cloud deployments, ensuring performance and maintainability while mentoring teammates and