Full Stack Developer Washington, DC

Core4ce; Washington, Northern (District of Columbia, KY); Hybrid; USD 120,000 - 150,000; Full time

Benefits offered by this job

401(k) match

Medical coverage

Training & certifications

Tuition assistance

Parental leave

Paid time off

Holiday schedule

Job summary

Core4ce is seeking a Full Stack Developer to join an on-site Agile team, building, testing, and deploying custom software using modern JavaScript frameworks, microservices, AWS, and diverse databases.

You will collaborate with cross-functional teams, translate complex requirements into actionable design specs, and contribute to secure, scalable production systems with RESTful APIs and 508-compliant testing.

Qualifications

• Active TS/SCI Full Scope Poly security clearance.
• Experience with modern JavaScript frameworks and microservices.
• Cloud platform development experience (AWS).
• Strong SQL and NoSQL database skills.
• Experience developing and integrating RESTful APIs.

Responsibilities

• Craft, build, and test software applications across diverse environments.
• Define approaches for implementing and integrating custom applications.
• Translate complex requirements into design specifications.
• 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 solutions.
• Utilize AWS for scalable cloud-based development.
• Manage data using SQL and NoSQL databases.

Skills

React

TypeScript

React Query

RESTful APIs

Agile

Python

Education

Bachelor's degree

Tools

AWS

Lambda Functions

DynamoDB

SQL

NoSQL

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 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, withimmediatevesting
• Comprehensive medical, dental, and vision coverage—employee portion paid 100% by Core4ce
• Unlimitedaccess totrainingand certifications, with no pre-set cap on eligible professional development
• Tuition assistancefor job-related degrees and courses
• Paidparental leave, PTO that grows with tenure, and generous holiday schedules
• Got a big idea? At Core4ce,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.