Full Stack Developer

Core4ce; Washington (District of Columbia); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

401(k) with company match

Medical, dental, vision coverage

Training and certifications

Tuition assistance

Paid parental leave and generous PTO

Holiday schedule

Job summary

Core4ce in Washington, DC is looking for a Full Stack Developer to join our on-site team, developing modern applications using JavaScript frameworks, microservices, and AWS.

You will build, test, and deploy custom software, collaborating with cross-functional teams to deliver robust, scalable solutions in an Agile environment.

This role requires TS/SCI with Full Scope Poly and offers growth opportunities within a fast-paced national security-focused team.

Qualifications

• Active TS/SCI Full Scope Poly security clearance.
• Proven experience with modern JavaScript frameworks.
• Experience building microservice-based applications.
• Experience with cloud platform development.
• Strong SQL and NoSQL database skills.
• Hands-on RESTful API development and integration.

Responsibilities

• Craft, build, and test software across diverse environments.
• Define approaches for integrating custom applications.
• Convert complex requirements into actionable designs.
• Lead testing and support production rollouts.
• Perform peer code reviews to maintain quality.
• Conduct regression and 508 accessibility testing.
• Collaborate with cross-functional teams to deliver robust solutions.
• Utilize AWS infrastructure for scalable cloud apps.
• Manage data with SQL and NoSQL databases.

Skills

JavaScript frameworks

Microservices

Cloud platforms

SQL

NoSQL

RESTful APIs

React

TypeScript

Tools

React

TypeScript

AWS

Camunda

Flowable

N8n-io

Job description

Core4ce

Full Stack Developer

1409-383

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 Skills

• 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.

Washington, District of Columbia, United States

Full-Time/Regular

All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or other legally protected status.

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