Senior Full Stack Engineer

Job DescriptionJob DescriptionDescription: Purpose and Scope: We are seeking a Senior 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. 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. 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 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. Requirements: Required Qualifications: Minimum of 7 years related experience. Expert-level proficiency in at least one of the following : 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 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 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 15 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. Desired Qualifications: Knowledge of AuthN and AuthZ systems, including Active Directory, 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) Working Environment: eSimplicity supports a remote work environment operating within the Eastern time zone so we can work with and respond to our government clients. Expected hours are 9:00 AM to 5:00 PM Eastern unless otherwise directed by manager Occasional travel for training and project meetings. It is estimated to be less than 25% per year.

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