Full Stack Developer

Yulista Holding; Washington (District of Columbia); On-site; USD 140,000 - 190,000; Full time

Job summary

Calista and Subsidiaries is seeking a Senior Full Stack Developer to join an agile software team; you will deliver secure RESTful APIs with Java/Spring Boot, build responsive UIs with React, and optimize PostgreSQL schemas. You will work across deployment pipelines in a DoD-related program, ensuring 508 accessibility and security practices.

Requires 7+ years of experience, a Computer Science degree, and an active Top-Secret clearance, with strong UI/UX and backend development capabilities across

Qualifications

• Minimum of 7+ years of experience.
• Active Top-Secret Clearance.
• Computer Science degree (Bachelor's or Master’s).
• Experience with Agile, Scrum, Kanban.
• UI/Backend full-stack with Java/Spring and React.

Responsibilities

• Provide full-stack design and development using Java/Spring, React, and PostgreSQL.
• Design and implement modern UI components with React and TypeScript/JavaScript.
• Develop secure RESTful APIs and optimized database schemas.
• Support data migration and document changes across systems.
• Plan deployments, version control, and CI/CD pipelines.
• Assist in lifecycle development activities across projects.
• Ensure 508 accessibility and enterprise security practices.

Skills

React

Java

Spring Boot

PostgreSQL

RESTful APIs

AWS

Kubernetes

Docker

Jira/Confluence

CI/CD

Git

Maven

Hibernate

Education

Bachelor's degree in Computer Science

Tools

Git

Maven

Hibernate

Job description

StraitSys IncRegular

The Full Stack Developer will be a part of an agile software development team and integral in performing software development, O&M support, and adhere to agile methodology and scrum ceremonies. This role will design and implement backed APIs using Java and Spring Boot, design and build secure and responsive UIs using React, and develop optimized PostgreSQL schemas and queries. The ideal candidate will have demonstrated strong verbal and written skills, experiences with the technology and business tools listed below, and will have proven experience delivering large-scale enterprise applications from concept through deployment.

Position Description:

• Provide full-stack design and development support using Java, Spring Model View Controller (MVC) Framework/Spring Security/Spring Boot, React, and PostgreSQL.
• Design and implement modern UI components using React, TypeScript/JavaScript, and reusable design patterns.
• Implement normalized PostgreSQL schemas and entity relationships supporting system scalability.
• Develop and maintain secure RESTful APIs for data access and integration.
• Support and document data migration efforts, ensuring integrity and consistency between legacy and new systems.
• Plan and execute application deployments, version control, and CI/CD pipelines.
• Assist in supporting all aspects of the project to include all phases of life cycle development.
• Ensure compliance with 508 accessibility, enterprise security practices, and other practices as needed.

Skills andExperience toSupportNGETeam:

• Must have strong User Interface (UI) design and developing skills using React, JavaScript, and CSS.
• Must have strong development experience required in the following technologies/areas: Java, Spring Framework/Security6+, Spring Boot3+, Hibernate6+, SQL/PLSQL, PostgreSQL, RESTful APIs, Maven build tool, and Git/GitLab.
• Must have experience with database design and data migration
• Additional experience required in the following technologies/areas: AWS (S3, EC2, ECS, Aurora, CloudWatch), Keycloak, Kubernetes, Maven, and Docker
• Experience with Agile and Scrum and Kanban frameworks/methodologies.
• Experience with Atlassian tools to include Jira and Confluence.
• Experience with Continuous Integration/Continuous Delivery (CI/CD) tools and automation.
• Exceptional analytical and conceptual thinking skills.
• Excellent documentation skills.
• Excellent planning, organizational, and time management skills.
• Self-motivated with strong initiative to help team grow.
• Minimum of 7+ years of experience.
• Computer Science background w/ degree (Bachelor's or Master's) in field.
• Active Top-Secret Clearance.

PREFERENCE STATEMENT

Preference will be given to Calista shareholders and their descendants and to spouses of Calista shareholders, and to shareholders of other corporations created pursuant to the Alaska Native Claims Settlement Act, in accordance with Title 43 U.S. Code 1626(g).

EEO STATEMENT

Additionally, it is our policy to select, place, train and promote the most qualified individuals based upon relevant factors such as work quality, attitude and experience, so as to provide equal employment opportunity for all employees in compliance with applicable local, state and federal laws and without regard to non-work related factors such as race, color, religion/creed, sex, national origin, age, disability, marital status, veteran status, pregnancy, sexual orientation, gender identity, citizenship, genetic information, or other protected status. When applicable, our policy of non-discrimination applies to all terms and conditions of employment, including but not limited to, recruiting, hiring, training, transfer, promotion, placement, layoff, compensation, termination, reduction in force and benefits.

REASONABLE ACCOMMODATION

It is Calista and Subsidiaries' business philosophy and practice to provide reasonable accommodations, according to applicable state and federal laws, to all qualified individuals with physical or mental disabilities.

The statements contained in this job description are intended to describe the general content and requirements for performance of this job. It is not intended to be an exhaustive list of all job duties, responsibilities, and requirements.

This job description is not an employment agreement or contract. Management has the exclusive right to alter the scope of work within the framework of this job description at any time without prior notice.