Sr Software Developer

Sr Software Developer at Halvik

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!

The ideal candidate has hands‑on experience developing Python-based APIs, serverless architectures (AWS Lambda), and modern React frontends. Fully capable of owning features end-to-end from design through to production.

• Design and implement RESTful/Graph
  
  QL APIs using Python (Flask, FastAPI, or Django REST Framework).
• Build serverless backend components using AWS Lambda, API Gateway, and related services (IAM, S3, Dynamo
  
  DB/RDS).
• Develop responsive React applications using modern patterns (hooks, functional components, state management).
• Collaborate with product managers and designers to translate requirements into technical designs and working software.
• Write unit/integration tests and maintain CI/CD pipelines (Git Hub Actions, Code Pipeline, etc.).
• Monitor, debug, and optimize application performance and security in production.
• Contribute to code reviews, technical design discussions, and documentation.

• 5+ years professional software engineering experience.
• Strong Python development experience; practical knowledge of at least one web framework (FastAPI, Flask, Django).
• Production experience building serverless apps on AWS - AWS Lambda, API Gateway, and related services.
• Solid React experience (ES6+, JSX, hooks, state management).
• Experience designing and consuming REST or Graph
  
  QL APIs.
• Familiar with CI/CD, automated testing, version control (Git), and container basics (Docker).
• Strong communication skills and ability to work in cross‑functional teams.

• Experience with Type Script, Redux/MobX, or React Query.
• Working knowledge of relational databases (Postgres/MySQL) and No
  
  SQL stores (Dynamo
  
  DB).
• Familiarity with observability tools (Cloud Watch, Datadog, Sentry) and infrastructure as code (Terraform, Cloud Formation).
• Experience with authentication/authorization patterns (OAuth2, JWT, Cognito).
• Background in agile development and pair programming.

• 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.

• Mid‑Senior level

• Full‑time

• Engineering and Information Technology

• IT Services and IT Consulting