The Role
Develop and maintain software within a cross-functional Scrum team using Agile DevSecOps practices. Build complex mission integration capabilities with Python, workflow orchestration, task queues, state machines, databases, RESTful APIs, and data serialization. Support containers, automated testing, software enhancements, and deployed-system testing while collaborating with engineering teams and government customers.
Summary Generated by Built In
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Excelity is seeking a Cyber Software Engineer for a project responsible for building the next generation Mission Integration System for an exciting Government customer with a very critical mission. The candidate will work with the engineering team and customer to ensure successful development of high profile, complex, technical deliverables that are core to the continued success of our award-winning projects.
Required Clearance: TS/SCI w/ CI Poly
Description:
The selected candidate will work within a cross-functional Scrum team, and will perform software engineering and development activities, associated with supporting, maintaining, and enhancing software using an Agile DevSecOps model. The candidate should be comfortable working with containers and automated testing frameworks. The candidate should have experience with structured software development methodologies and modern software tools and techniques.
Required Qualifications:
- A Bachelor’s degree with 9+ years of relevant experience; OR a Master’s degree with 7+ years of relevant experience; OR a PhD with 4+ years of relevant experience an additional 4 years of experience may be considered in lieu of a degree requirement
- Strong Python development experience, especially with workflow orchestration
- Elasticsearch/Open Search, PostgreSQL, MySQL experience
- Experience with state machines, task queues (e.g., Celery), or workflow engines.
- Understanding of RESTful APIs and data serialization (JSON, XML).
- TS/SCI with ability to pass a poly
Preferred Skills:
- Knowledge of API design best practices and data governance.
- Experience using Node.js.
- Familiarity with frameworks like Django, FastAPI, or Flask.
- Security+ or equivalent certification and willingness to serve as a privileged user supporting deployed systems testing
Benefits:
- Competitive salary
- Flexible work schedule
- 100% Health, Dental, Vision, and Life Insurance plans with Flexible Spending Account (FSA)
- Long and Short-term disability coverage
- Generous paid vacation and holiday time
- Safe Harbor 401(k) Retirement Plan with 6% Employer matching contributions
- Reimbursement for professional and training development
- Company-paid memberships to professional organizations
Excelity is an Equal Opportunity Employer
Skills Required
- Bachelor's degree with 9+ years of relevant experience, master's degree with 7+ years, or PhD with 4+ years; additional experience may substitute for the degree
- Strong Python development experience, especially with workflow orchestration
- Experience with Elasticsearch or OpenSearch, PostgreSQL, and MySQL
- Experience with state machines, task queues such as Celery, or workflow engines
- Understanding of RESTful APIs and JSON or XML data serialization
- TS/SCI clearance with ability to pass a CI polygraph
- Knowledge of API design best practices and data governance
- Experience using Node.js
- Familiarity with Django, FastAPI, or Flask
- Security+ or equivalent certification
- Willingness to serve as a privileged user supporting deployed-system testing
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The Company
What We Do
Excelity is a small business and services provider to the federal government providing senior and thought leadership in Agile development. Excelity solves the government’s most systemic challenges by applying rigorous approaches to understanding the customer base in order implement the right IT solutions and advance agency missions.







