Job Description: Senior Application Developer / Engineer / Programmer
Position Title: Senior Application Developer / Engineer / Programmer
Requisition ID: TO-673
Number of Openings: 2
Location: Washington, DC (On-site / Hybrid as required by client)
Citizenship Requirement: U.S. Citizenship Required
Period of Performance: Through December 31, 2026 (with potential extension)
Position Overview
Diverse Agile Solutions (DAS) is seeking two highly skilled Senior Application Developers / Engineers to support the design, development, and deployment of modern cloud-native applications for a federal client.
This role focuses on building scalable AWS-based solutions leveraging containerization, DevOps, and Agile methodologies, with a strong emphasis on Python backend services and Angular front-end development. The selected candidates will play a critical role in designing, developing, securing, and maintaining enterprise-grade applications in AWS GovCloud environments.
Key Responsibilities
- Design, develop, and maintain cloud-native applications using AWS services and containerized architectures
- Build and deploy applications using CI/CD pipelines and DevOps best practices
- Develop backend services in Python and front-end applications using Angular (TypeScript)
- Lead technical efforts across areas such as:
- Database management
- Application development
- Cloud security and disaster recovery
- Cloud-based system integration
- Contribute to solution architecture, system design, and technical documentation
- Perform code remediation, debugging, and unit testing within CI/CD pipelines
- Develop and maintain RESTful or GraphQL APIs and ensure production readiness
- Collaborate within Agile teams, participating in Scrum ceremonies and iterative delivery cycles
- Ensure systems meet security, compliance, and operational standards, especially within federal environments
Required Qualifications
Education & Experience
- Bachelor’s degree in Computer Science, Information Technology, or related field
- Minimum 6+ years of relevant professional experience
- Demonstrated experience working in Agile/Scrum environments
Core Technical Expertise
AWS DevOps & Systems Engineering
- Strong experience with AWS services, including:
- ECS, Lambda, API Gateway, S3, RDS/Aurora (PostgreSQL), CloudWatch, CloudTrail
- Expertise in Infrastructure as Code (IaC) using Terraform
- Experience managing AWS GovCloud environments (preferred)
- Hands-on experience with:
- Monitoring, logging, and auditing (CloudWatch, Splunk)
- Production operations, release management, and system tuning
- Understanding of federal compliance frameworks (NIST 800.53 / FISMA)
Data Engineering
- Experience building and maintaining data pipelines and ETL processes in AWS
- Proficiency with:
- AWS Glue or MWAA (Airflow)
- Python (pandas, PySpark) and SQL
- Experience with data quality frameworks (e.g., Great Expectations, Glue Data Quality)
- Knowledge of data replication, transformation, and performance tuning
API Development
- Strong experience developing and supporting:
- RESTful and/or GraphQL APIs
- Familiarity with:
- API Gateway, Lambda, and AWS API ecosystem
- Experience with API testing tools (Postman, Swagger/OpenAPI)
Front-End Development
- Proficiency in:
- Angular (TypeScript) or React
- Experience building interactive, data-driven web applications
- Hands-on experience with visualization tools such as:
- Highcharts, ag-Grid, Plotly
- Familiarity with automated testing frameworks (Selenium, Jasmine)
Authentication & Security
- Experience implementing:
- OAuth 2.0, OpenID Connect (OIDC)
- Integration experience with:
- Okta, JWT, AWS IAM, Verified Permissions
DevOps & Containerization
- Strong experience with:
- CI/CD pipelines (GitLab, Argo CD)
- Git-based version control
- Automated and unit testing
- Containerization expertise using:
- Docker, Kubernetes (EKS, ECS, Fargate)
Additional Preferred Skills
- Experience with Splunk and centralized logging solutions
- Familiarity with XACTA 360
- Experience with geospatial data and mapping tools (e.g., ESRI, geocoding)
- Prior experience supporting federal agencies
Soft Skills
- Strong communication skills (written and verbal)
- Ability to lead technical initiatives and mentor junior team members
- Excellent problem-solving and analytical abilities
- Strong documentation and presentation skills
Why Join Diverse Agile Solutions (DAS)?
At DAS, we deliver innovative, mission-driven solutions that support critical government initiatives. Our team thrives in a collaborative, Agile environment that values technical excellence, diversity, and continuous growth.
Equal Opportunity Employer
Diverse Agile Solutions is an Equal Opportunity Employer committed to diversity and inclusion in the workplace.
What We Do
Diverse Agile Solutions delivers constant value to its clients by providing customized solutions to the problems of today with a focus on the challenges of tomorrow. We are a certified Maryland Department of Transportation MBE/DBE firm, as well as a certified SBE. DAS is dedicated to combining the professionalism and expertise of Tech giants with the agility and intimacy that make small businesses so attractive. DAS is dedicated to combining the professionalism and expertise of Tech giants with the agility and intimacy that make small businesses so attractive. We provide value to its clients by providing customized solutions to the problems of today with a focus on the challenges of tomorrow.
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