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eSimplicity · 5 hours ago

Senior Full Stack Engineer

Columbia, MD

Full-time

Hybrid

Mid, Senior Level

$117K/yr - $145K/yr

7+ years exp

eSimplicity is a modern digital services company that partners with government agencies to improve the lives and protect the well-being of all Americans. They are seeking a seasoned Full Stack Developer to design, develop, and maintain modern full-stack web applications that facilitate secure and efficient data movement and integration across platforms.

Health CareInformation TechnologySoftwareTelecommunications

Growth Opportunities

No H1B

U.S. Citizen Only

Responsibilities

Design, develop, and maintain modern full-stack web applications that enable data flow and visibility across platforms

Prototype and operationalize tools that assist in large-scale data movement and ETL automation

Build APIs and backend services to authenticate, authorize, and connect with data mesh nodes

Integrate with enterprise and third-party data sources via secure and scalable interfaces

Collaborate with cross-functional teams in an Agile environment to gather requirements and deliver incremental improvements

Contribute to the design and implementation of secure access patterns across distributed data systems

Author technical documentation, including API specifications, deployment guides, and internal usage manuals

Participate in performance tuning and monitoring of deployed services, ensuring systems are observable and scalable

Help define and support CI/CD practices to ensure safe and reliable deployments

Participate in daily standups, sprint planning, demos, and retrospectives

Qualification

TypeScriptJavaScriptPythonReact.jsNode.jsFlaskRESTful APIsGraphQL APIsAWSDockerKubernetesTerraformPostgreSQLMongoDBAgile experienceCommunication skillsTeam collaboration

Required

All candidates must pass public trust clearance through the U.S. Federal Government. This requires candidates to either be U.S. citizens or pass clearance through the Foreign National Government System which will require that candidates have lived within the United States for at least 3 out of the previous 5 years, have a valid and non-expired passport from their country of birth and appropriate VISA/work permit documentation

Minimum 7 years of relevant experience in software engineering

Bachelor's degree in Computer Science, Software Engineering, Data Science, Statistics, or related technical field

Proficiency in at least one of the following languages: TypeScript, JavaScript, Python

Strong experience with modern frameworks such as React.js, Next.js, Node.js, Flask

Proven experience working on large-scale system architectures and Petabyte-level data systems

Proficient in automated testing frameworks (PyTest, Jest, Cypress, Playwright) and testing best practices

Experience developing, testing, and securing RESTful and GraphQL APIs

Deep knowledge of working with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB)

Proven track record with AWS cloud architecture, including networking, security, and service orchestration

Experience with containerization and deployment using Docker, and infrastructure automation with Kubernetes and Terraform

Familiarity with Redis for caching or message queuing

Knowledge of performance monitoring tools like Grafana, Prometheus, and Sentry

Familiarity with Git, Git-based workflows, and release pipelines using GitHub Actions and CI/CD platforms

Comfortable working in a tightly integrated Agile team (15 or fewer people)

Strong written and verbal communication skills, including the ability to explain technical concepts to non-technical stakeholders

Preferred

Experience working with authentication/authorization frameworks like OAuth, SAML, Okta, Active Directory, and AWS IAM (ABAC)

Familiarity with data mesh principles, domain-oriented architectures and experience connecting data domains securely

Knowledge of event-driven architectures and systems like Kafka, Kinesis, RabbitMQ, or NATS

Experience exploring or building ETL pipelines and data ingestion workflows

Strong grasp of access control, identity management, and federated data governance

CMS and Healthcare Expertise: In-depth knowledge of CMS regulations and experience with complex healthcare projects; in particular, data infrastructure related projects or similar

Demonstrated success providing support within the CMS OIT environment, ensuring alignment with organizational goals and technical standards

Demonstrated experience and familiarity with CMS OIT data systems (e.g. IDR-C, CCW, EDM)