Sr. Full Stack Developer

Halvik Corp.
Vienna, United States of America
5 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
$ 155K

Job location

Vienna, United States of America

Tech stack

Java
API
Agile Methodologies
Artificial Intelligence
Amazon Web Services (AWS)
Amazon Web Services (AWS)
Amazon Web Services (AWS)
HTML5
Build Automation
Automation of Tests
CSS
Software Quality
Code Review
Data Validation
Database Queries
Programming Tools
Github
Identity and Access Management
JUnit
Performance Tuning
Scrum
Mockito
Cloud Services
Software Deployment
Data Streaming
Systems Architecture
TypeScript
Web Applications
Web Application Frameworks
System Availability
Delivery Pipeline
Spring-boot
Reliability of Systems
Backend
Cloudformation
Amazon Web Services (AWS)
Containerization
Angular
Material Design
Information Technology
Codebase
Front End Software Development
Functional Programming
Cloudwatch
Api Gateway
REST
Terraform
Code Restructuring
Jasmine
Legacy Systems
Microservices

Job description

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 endtoend web applications using Java, Spring Boot, RESTful APIs, and Angular to deliver scalable, maintainable, and highperformance solutions.
  • Build responsive, accessible, and userfriendly UI components using Angular, TypeScript, HTML5, and CSS3.
  • Integrate backend services with frontend 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 infrastructureascode (IaC) tools such as CloudFormation or Terraform.
  • Leverage AIpowered development tools (e.g., code assistants, automated testing tools, AIbased documentation generators) to improve productivity and code quality.
  • Use AIdriven analytics tools to support decisionmaking, optimize workflows, and enhance user experience.
  • Analyze existing monolithic or legacy applications to identify modernization opportunities.
  • Refactor, rearchitect, or migrate legacy systems into modern microservices, cloudnative architectures, or containerized environments.
  • Migrate legacy codebases to Java/Spring Boot, Angular, and AWSbased 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 endtoend 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 standups, and retrospectives.
  • Provide technical guidance, mentor junior developers, and contribute to architectural discussions and decisionmaking.
  • 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 cloudhosted 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.

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

About the company

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!

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