Staff Full Stack Engineer

eSimplicity•Columbia, MD

18h•Remote

About The Position

About Us: eSimplicity is a modern digital services company that partners with government agencies to improve the lives and protect the well-being of all Americans, from veterans and service members to children, families, and seniors. Our engineers, designers, and strategists cut through complexity to create intuitive products and services that equip federal agencies with solutions to courageously transform today for a better tomorrow. Purpose and Scope: We are seeking a Staff Full Stack Engineer to join a cross-functional, entrepreneurial, collaborative team dedicated to solving difficult problems for our client. In this role, you will help develop a solution in full, from high-level system design and configuration to application development and data integration. You will leverage everything around you: core company products, open-source technologies, and anything you and your team can build to drive real impact.

Requirements

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.

Nice To Haves

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)

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