eSimplicity · 6 hours ago
Staff Full Stack Engineer
Columbia, MD
Full-time
Hybrid
Lead/Staff
$134K/yr - $180K/yr
10+ years expeSimplicity 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 Staff Full Stack Engineer to join a collaborative team focused on developing solutions that integrate high-level system design, application development, and data integration.
Health CareInformation TechnologySoftwareTelecommunications
No H1B
U.S. Citizen Only
Responsibilities
Designs, creates, and builds web application features; creates back-end code and interfaces for new web platforms; analyzes user needs to implement front-end design, graphics, performance, and capacity; integrates applications with other platforms as needed
Solid understanding of LLM and AI concepts
Collaborates with other team members across multiple functional areas (engineering, DevOps, UX, Product, Scrum Master)
Experience using modern, open-source software frameworks to prototype and deploy full-stack web applications, including all aspects of server-side processing, data storage, networking, content delivery, and monitoring
Authors friendly documentation (e.g., API documentation, deployment operations)
Quickly adopts new programming tools, frameworks, and techniques
Understands and accounts for the challenges involved in managing access to and usage of large data sets
Translates designs and wireframes into reusable, testable and efficient front-end code
Builds, iterates, and tests scalable, back-end APIs for web applications
Designs and develops data models to optimize data access for web applications
Deploys and manages pods in a K8’s environment ideally using helm charts
Implements CI/CD pipelines to handle testing, deployments, and security scanning using GitHub actions
Integrates 2nd and 3rd party platforms and APIs
Participates in Agile processes including daily standups, demos, retrospectives, and sprint planning
Works closely with product owners, business analysts, designers, and engineers to gather, refine and implement business requirements
Provides support, maintenance, and enhancements to the existing system
Collaborates with a fully integrated Agile team to deliver continuous improvement to designs, processes, and standards
Other duties as needed
Qualification
Required
Minimum of 10 years related experience
Expert-level proficiency in at least one of the following languages: Typescript, Javascript, Python
Expertise with modern web application frameworks such as React.js, Next.js, Node.js, Flask, Playwright, Poetry, OpenAPI
Experience with testing frameworks and tools such as Cucumber, PyTest
Experience with AI/Agent Platforms such as LangChain, LangGraph, etc
Deep understanding of APIs, and familiarity with JSON, Web APIs, REST APIs, JSON-RPC, XML-RPC, RESTful practices, and GraphQL
Experience in implementing, deploying, and maintaining both relational and non-relational databases like SQL, MySQL, PostgreSQL, MongoDB or similar
Experience with Vector Databases and Graph Databases, Neo4j, Qdrant, Pinecone
Experience working with Redis
Experience with Docker containerization and deployments
Extensive experience using Git and CI/CD platforms to deliver safe releases at a rapid rate
Experience in AWS cloud data architecture
Experience K8s and Terraform experience required
Experience working on a fully integrated Agile product team smaller than 10 people
Experience with benchmarking, monitoring, and performance engineering applications with tools such as Grafana, Sentry, and Prometheus
A demonstrated preference for the “correct” amount of unit and integration tests, across a variety of platforms
Strong documentation and problem-solving skills
Flexible and willing to accept a change in priorities as necessary
Ability to work in a fast-paced, team-oriented environment
Experience with Atlassian Jira/Confluence
Excellent command of written and spoken English
Ability to obtain and maintain a Public Trust, residing in the United States
Communicates technical information to non-technical audience
Preferred
Knowledge of AuthN and AuthZ systems, including Okta, OAuth, SAML and AWS IAM Policies/Roles using attribute-based access controls
Knowledge of message queues/buses and their associated design patterns (Kinesis, Kafka, RabbitMQ, NATS)
Benefits
Full healthcare benefits
Company
eSimplicity
eSimplicity delivers game-changing digital services, healthcare IT and telecommunications solutions.
201-500 employees
Funding
Current Stage
Growth StageLeadership Team
Anhthu Nguyen
Founder and CEO
Nam Nguyen
Co-founder and COO
Recent News
Synergy ECP, LLC
2025-10-09
Company data provided by crunchbase