Full Stack Developer

Core4ce; Washington (District of Columbia); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

401(k) with company match

Comprehensive medical, dental, and vis

Unlimited training & certifications

Tuition assistance

Paid parental leave, PTO & holidays

Internal innovation program - TheForge

Job summary

Core4ce in Washington, DC is seeking a Full Stack Developer to join an on-site team. You will develop, test, and deploy custom software using modern JavaScript frameworks, microservices, AWS, and SQL/NoSQL databases.

Responsibilities include designing solutions, leading testing, code reviews, and ensuring accessibility (508). Preferred are React/TypeScript/React Query, Python, and AWS services like Lambda and DynamoDB. Agile, DevOps exposure is a plus.

Qualifications

• Active TS/SCI Full Scope Poly security clearance.
• Solid expertise in modern JavaScript frameworks.
• Demonstrable experience building microservice-based applications.
• Proven track record with cloud platform development.
• Strong command of both SQL and NoSQL database technologies.
• Hands-on experience developing and integrating RESTful APIs.

Responsibilities

• Craft, build, and test innovative software applications and components across diverse system environments.
• Define clear approaches for implementing and integrating custom applications.
• Convert complex system requirements into actionable design specifications.
• Lead testing initiatives and support seamless application rollouts to production.
• Engage in thorough peer code reviews to maintain quality standards.
• Conduct regression and 508 compliances testing to ensure accessibility.
• Work collaboratively with cross-functional teams to deliver robust solutions.
• Utilize AWS infrastructure for scalable cloud-based application development.
• Efficiently manage and interact with data using SQL and NoSQL databases.

Skills

TS/SCI Full Scope Poly

Modern JavaScript frameworks

Microservice-based architectures

Cloud platform development

SQL and NoSQL databases

RESTful APIs

Tools

React

TypeScript

React Query

Python

AWS Lambda

DynamoDB

Camunda/Flowable/N8n-io

Job description

Ready to build innovative solutions in a fast-paced Agile environment? We're looking for a passionate and experienced Full Stack Developer to join our dedicated, on-site team. You'll play a critical role in developing, testing, and deploying custom software solutions, working closely with diverse teams and using cutting-edge technologies like modern JavaScript frameworks, microservices, AWS, and various database systems.

Responsibilities:

• Craft, build, and test innovative software applications and components across diverse system environments.
• Define clear approaches for implementing and integrating custom applications.
• Convert complex system requirements into actionable design specifications.
• Lead testing initiatives and support seamless application rollouts to production.
• Engage in thorough peer code reviews to maintain quality standards.
• Conduct regression and 508 compliances testing to ensure accessibility.
• Work collaboratively with cross-functional teams to deliver robust solutions.
• Utilize AWS infrastructure for scalable cloud-based application development.
• Efficiently manage and interact with data using SQL and NoSQL databases.

This position is designed to be flexible, with responsibilities evolving to meet business needs and enable individual growth.

Requirements:

• Active TS/SCI Full Scope Poly security clearance.
• Solid expertise in modern JavaScript frameworks.
• Demonstrable experience building microservice-based applications.
• Proven track record with cloud platform development.
• Strong command of both SQL and NoSQL database technologies.
• Hands-on experience developing and integrating RESTful APIs.

Preferred Qualifications:

• Strong proficiency with React, TypeScript, and React Query.
• Python development experience.
• Familiarity with AWS services, particularly Lambda Functions and DynamoDB.
• Understanding of 508 compliance standards.
• Exposure to DevOps methodologies.
• Knowledge of business process modeling tools like Camunda, Flowable, or N8n-io.
• Previous experience working within Agile frameworks.

Why Work for Us?

Core4ce is a team of innovators, self-starters, and critical thinkers—driven by a shared mission to strengthen national security and advance warfighting outcomes.

We offer:

• 401(k) with 100% company match on the first 6% deferred, with immediate vesting
• Comprehensive medical, dental, and vision coverage—employee portion paid 100% by Core4ce
• Unlimited access to training and certifications, with no pre-set cap on eligible professional development
• Tuition assistance for job-related degrees and courses
• Paid parental leave, PTO that grows with tenure, and generous holiday schedules
• Got a big idea? At Core4ce, The Forge gives every employee the chance to propose bold innovations and help bring them to life with internal backing.

Join us to build a career that matters—supported by a company that invests in you.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, disability, veteran status, age, genetic information, or other legally protected status.
*Core4ce provides the listed pay range for this position as a general guideline only and not as a guarantee of compensation or salary. Final offers may take into account a variety of factors, including, but not limited to, job responsibilities, education, experience, knowledge, skills, abilities, internal equity, market data alignment, any applicable collective bargaining agreement, and other legal requirements.