Junior Research and Development Engineer, Software (req-182)

Team CATHEXIS elevates the government contracting experience through rapid response deep skill and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management data analytics and audit services the backbone of which is our integrated approach to operational excellence.

You worked hard to get to where you are. You strive to make every day better than the day before. So do we. Team CATHEXIS operates with an all-in mindset. We are working together to create a company that supports our shared values and individual goals. Our values are centered around Respect Engagement Customer Service Integrity Teamwork and Excellence in everything we do for our employees clients partners and communities. We believe success is best when we listen and lead with empathy; model high standards of ethics to provide a rewarding candidate experience; work hard have fun and appreciate the strengths we all bring to the team; and empower our employees to create innovative and trusted results.

We are looking for a dynamic Junior Research and Development Engineer to join our innovation team in a cross-functional software engineering. This individual will be responsible for building rapid prototypes of advanced software and data solutions involving but not limited to Artificial Intelligence (AI) Machine Learning (ML) Robotic Process Automation (RPA) and Agentic AI. The Junior R&D Engineer will also support and maintain existing codebases leveraging various open-source technologies.

This role requires an exceptional problem-solver who thrives in fast-paced environments can work independently and in teams and consistently delivers high-quality outputs during development sprints. The ideal candidate will have a mix of software development and data science skills even if only exposed to certain technologies but must possess a strong desire to fill any knowledge gaps and learn by doing.

This opportunity is fully REMOTE but adheres to an Eastern Standard (EST) Time zone schedule.

The responsibilities of the Junior Research and Development Engineer include but are not limited to:

• Design build and test full stack web features from concept to deployment.
• Implement responsive accessible UI using modern front end frameworks (e.g. React Angular or Vue) with HTML5 CSS3 and JavaScript / TypeScript.
• Develop secure back end services and APIs (REST/GraphQL) using Python/FastAPI or C#/.NET.
• Model and integrate data with relational and NoSQL databases (e.g. PostgreSQL MySQL Microsoft SQL Server MongoDB) and write performant queries stored procedures etc.
• Implement authentication/authorization (OAuth 2.0/OpenID Connect JWT) and follow web security best practices (OWASP Top 10 CORS CSRF).
• Build and manage microservices and containerized applications with Docker; contribute to Kubernetes deployments when required.
• Deploy and operate applications on AWS and Azure using IaC (Terraform Bicep or CloudFormation) serverless (AWS Lambda Azure Functions) and PaaS (Azure App Service AWS ECS/Fargate).
• Set up CI/CD pipelines (GitHub Actions Azure DevOps or AWS CodePipeline) for automated testing build and release.
• Configure caching messaging and CDN layers (e.g. Redis SQS/SNS or Azure Service Bus CloudFront/Azure CDN) to improve performance and resilience.
• Instrument applications with logging and monitoring (CloudWatch Azure Monitor Application Insights Grafana) and troubleshoot issues across the stack.
• Collaborate in Agile sprints: refine user stories estimate participate in code reviews and demo features to stakeholders.
• Maintain technical documentation and contribute to knowledge transfer.
• Use VS Code / Visual Studio as the primary development environment and manage work via GitHub repositories and workflows.

• 1 years experience in a hands-on software / web development role 2 years preferred.
• Bachelors degree in computer science software engineering or related field.
• U.S. Citizenship is required for this position to meet eligibility for a National Agency Check (NAC) with no negative findings.
• Excellent problemsolving critical thinking and communication skills.
• Proven ability to work independently and within crossfunctional teams.
• Practical experience building web applications with at least one modern frontend framework (React Angular or Vue) and strong HTML/CSS/JavaScript or TypeScript.
• Experience developing backend services with one or more languages: JavaScript/TypeScript () Python and / or C# (.NET).
• Experience designing and consuming RESTful APIs.
• Solid understanding of web fundamentals: HTTP cookies sessions CORS security and performance.
• Proficiency with VS Code / Visual Studio Git / Azure DevOps and GitHub workflows (branches pull requests code reviews).
• Exposure to CI/CD and containerization (Docker or Kubernetes).
• Handson deployment experience to AWS and Azure (compute storage networking identity).
• Experience with serverless (AWS Lambda Azure Functions) and container orchestration (Kubernetes).
• Experience delivering highquality code during Agile development sprints.

CATHEXIS offers competitive compensation packages to all eligible employees. Our goal is to provide a compensation package that reflects the value you bring to our team is competitive with market rates and promotes your financial security and personal well-being. The annual salary range for this role is $80000 to $90000. Please note that the salary information provided is a general guideline. CATHEXIS considers various factors in its final offer including location qualifications experience and skills.

• Performance Bonuses
• Medical Insurance
• Dental Insurance
• Vision Insurance
• 401(k) Plan (Traditional and ROTH)
• Life Insurance (Basic Voluntary & AD&D)
• Paid Time Off
• 11 Federal Holidays
• Parental Leave
• Commute Benefits
• Short Term & Long Term Disability
• Training & Development
• Wellness Program
• Community Outreach Initiatives

CATHEXIS is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity national origin or protected veteran status and will not be discriminated againston the basis ofdisability EEO IS THE LAW. The Company invites any applicant and/or employee to review the Companys written Affirmative Action Plan. This plan is available for inspection upon request by you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process please contact the Recruiting

Required Experience:

Junior IC