Sr. Full Stack Developer

Halvik; McLean (VA); On-site; USD 140,000 - 180,000; Full time

Benefits offered by this job

Medical insurance

401(k) with company matching

PTO and holidays

Tuition assistance

Commuter benefits

Job summary

Halvik Corp is seeking a Senior Full Stack Developer to design and build end-to-end applications using Java, Spring Boot, and Angular. The role emphasizes deploying on AWS, building RESTful services, and modernizing legacy systems within an Agile team.

You will utilize AI-powered tools to boost productivity, ensure code quality, and collaborate with cross-functional teams to deliver scalable digital solutions in a government-focused environment.

Qualifications

• Bachelor's Degree in Computer Science, Business, or related field.
• 10–15 years of professional IT experience.
• Advanced knowledge of Java, Spring Boot, Angular, AWS, Aurora DB, and AI tools.
• AWS Certified Solutions Architect and AI certifications preferred.

Responsibilities

• Design and build end-to-end applications using Java, Spring Boot, RESTful APIs, and Angular.
• Develop scalable, high-performance UI with Angular, TypeScript, HTML5, CSS3.
• Deploy and optimize applications on AWS Cloud with EC2, Lambda, S3, RDS, API Gateway, CloudWatch, IAM.
• Implement CI/CD pipelines using GitHub Actions and AWS CodePipeline.
• Refactor legacy systems toward cloud-native microservices architectures.

Skills

Java

Spring Boot

Angular

AWS

Aurora DB

AI tools

Education

Bachelor's degree in Computer Science or related field

Tools

Roo Code

Claude Models

Job description

Halvik Corp delivers a wide range of services to 13 executive agencies and 15 independent agencies. Halvik is a highly successful WOB business with more than 50 prime contracts and 500+ professionals delivering Digital Services, Advanced Analytics, Artificial Intelligence/Machine Learning, Cyber Security and Cutting-Edge Technology across the US Government. Be a part of something special!

Position Overview

The Senior Full Stack Developer will design and build end to end applications using Java, Spring Boot, and Angular to deliver scalable and modern digital solutions. They will develop RESTful microservices and intuitive front-end interfaces that support seamless user experiences. This role involves deploying and optimizing applications on AWS Cloud, ensuring high availability, security, and performance. The developer will leverage AI powered tools to enhance productivity, automate workflows, and improve code quality. A key responsibility is modernizing legacy systems, including refactoring monolithic applications into cloud native architectures. The position requires strong collaboration with cross functional teams in an Agile environment to translate business needs into technical solutions. The developer will ensure code quality through testing, reviews, and adherence to best practices. They will also integrate modern frameworks, cloud services, and automation tools to improve system reliability and maintainability. The role includes contributing to architectural decisions and providing technical guidance to team members. Ultimately, the Full Stack Developer will drive innovation by adopting emerging technologies and continuously improving the application ecosystem.

Core Responsibilities

• Develop end to end web applications using Java, Spring Boot, RESTful APIs, and Angular to deliver scalable, maintainable, and high performance solutions.
• Build responsive, accessible, and user friendly UI components using Angular, TypeScript, HTML5, and CSS3.
• Integrate backend services with front end applications, ensuring seamless data flow and consistent user experiences.
• Deploy, manage, and optimize applications on AWS Cloud using services such as EC2, Lambda, S3, RDS, API Gateway, CloudWatch, and IAM.
• Implement CI/CD pipelines using tools like GitHub Actions, AWS CodePipeline to automate build, test, and deployment processes.
• Ensure application reliability, scalability, and security through AWS best practices, monitoring, and infrastructure as code (IaC) tools such as CloudFormation or Terraform.
• Leverage AI powered development tools (e.g., code assistants, automated testing tools, AI based documentation generators) to improve productivity and code quality.
• Use AI driven analytics tools to support decision making, optimize workflows, and enhance user experience.
• Analyze existing monolithic or legacy applications to identify modernization opportunities.
• Refactor, re architect, or migrate legacy systems into modern microservices, cloud native architectures, or containerized environments.
• Migrate legacy codebases to Java/Spring Boot, Angular, and AWS based solutions while ensuring minimal disruption to business operations.
• Improve system performance, security, and maintainability by replacing outdated frameworks, libraries, and patterns with modern alternatives.
• Write unit, integration, and end to end tests using JUnit, Mockito, Jasmine, Karma, or similar frameworks.
• Conduct performance tuning for both backend and frontend components, optimizing API response times, database queries, and UI rendering.
• Perform code reviews, enforce coding standards, and ensure adherence to best practices across the development lifecycle.
• Work closely with product owners, UX designers, QA engineers, and other stakeholders in an Agile/Scrum environment.
• Participate in sprint planning, backlog refinement, daily stand ups, and retrospectives.
• Provide technical guidance, mentor junior developers, and contribute to architectural discussions and decision making.
• Implement secure coding practices, including authentication, authorization, input validation, and data protection.
• Ensure compliance with organizational, industry, and regulatory standards when designing and deploying applications.
• Use AWS security tools and best practices to safeguard cloud hosted applications.
• Maintain clear, concise technical documentation for APIs, system architecture, deployment processes, and codebases.
• Continuously evaluate emerging technologies, frameworks, and AI tools to enhance development efficiency and system capabilities.
• Identify opportunities for automation, process improvement, and technical innovation across the development lifecycle.

Minimum Requirements

• Education: Bachelor's Degree in Computer Science, Business, or related field.
• Experience: Minimum of 10-15 years of professional experience in IT Industry.
• Technical Proficiency: Advanced knowledge of Java, Spring boot, Angular, AWS, Aurora DB, AI Tools: Roo Code, Claude Models etc.
• Compliance: Must meet public trust requirements.
• Certifications: AWS Certified Solutions Architect and preferred any AI certification or courses

Privacy Policy – Halvik Corp

Halvik Offers a Competitive Full Benefits Package Including

• Company-supported medical, dental, vision, life, STD, and LTD insurance
• Benefits include 11 federal holidays and PTO
• Eligible employees may receive performance-based incentives in recognition of individual and/or team achievements.
• 401(k) with company matching
• Flexible Spending Accounts for commuter, medical, and dependent care expenses
• Tuition Assistance
• Charitable Contribution matching

Halvik Corp is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.

Halvik's pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.