Sr. Software Developer

Halvik•Vienna, VA

11d•Onsite

About The Position

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 Halvik is seeking an experienced Senior Software Developer with 10+ years of hands-on experience designing, developing, and operating highly scalable, resilient, and secure enterprise applications across USPTO for Patent Products. The ideal candidate will have strong expertise in Java and Python based microservices , Spring Boot, Spring AI , cloud-native architectures on AWS , and practical experience leveraging AI agents and prompt engineering to accelerate software development and intelligent application capabilities. This role requires close collaboration with Product Owners, Architects, Technical Leads, DevOps teams, and business stakeholders in an Agile environment. The successful candidate will be responsible for building mission-critical services that operate with 24x7 availability , high performance, security, and fault tolerance.

Requirements

Bachelor's degree in computer science or related field.
10+ years of hands-on experience designing, developing, and operating highly scalable, resilient, and secure enterprise applications.
Strong expertise in Java and Python based microservices, Spring Boot, Spring AI, cloud-native architectures on AWS.
Practical experience leveraging AI agents and prompt engineering to accelerate software development and intelligent application capabilities.
Eligible to Obtain Public Trust clearance.

Nice To Haves

Backend knowledge of Java, Python, Spring Boot, Spring AI
Experience implementing highly available and mission-critical systems operating 24x7
Good to have knowledge in designing and implementing AI-powered enterprise applications.
Good to have prompt engineering experience for LLM-based solutions
Participating in Agile ceremonies including Sprint Planning, Daily Standups, Backlog Grooming, Sprint Reviews, Retrospectives
Strong analytical and problem-solving capabilities.

Responsibilities

Design, develop, and maintain enterprise-grade services and APIs using: Java, Spring Boot, Spring AI Framework, Python, XML-based integrations and configurations.
Design and develop distributed cloud-native microservices that are highly available, fault-tolerant, and resilient in AWS environment.
Design and implement AI-enabled application components leveraging: Large Language Models (LLMs), AI agents, Prompt engineering best practices, Agent orchestration frameworks.
Build reusable and scalable application components that integrate with enterprise systems and third-party services.
Develop AI-assisted automation solutions that improve developer productivity and business outcomes.
Build intelligent workflows utilizing AI agents and LLM-based capabilities.
AWS Cloud Engineering - Design, deploy, and manage applications on AWS using: ECS Fargate, Aurora MySQL Serverless, SQS, SNS
Ensure compliance with USPTO's federal security standards.
Support production environments and resolve critical issues when necessary.