Senior API Developer

Halen Technology

February 3, 2021

The right candidate will have the opportunity to work on multiple components of our state-of-the-art platform (a one stop shop app for rideshare, grocery, restaurant, and retail delivery)

Job Overview
As a Senior API Developer you will participate in all aspects of the software development lifecycle which includes estimating, technical design, implementation, documentation, testing, deployment, and support of our applications. As a member working in a team environment you will take direction from solution architects and Leads on development activities.

  • Responsibilities** Responsible for designing, programming, coding of complex and business critical Information Technology solutions using Nodejs

Responsible for documentation of the system, conduct unit tests, peer code reviews and maintenance of internally developed applications, evaluation, and performance testing of purchased products

Responsible for including IT Controls to protect the confidentiality, integrity, as well as availability of the application and data processed or output by the application.

Write code for the most complex system designs and provides consultative guidance on project with extensive size, scope, and risk. Write programs that span platforms. Code to and/or create RESTful APIs

Develops micro services and has extensive experience using GitLab, Jenkins, PM2, Clustering, other tools, and technologies for developing a scalable application

Work on integration issues and determines the integration approach. Coordinate with other areas for integration architecture solutions
Review code developed by other Developers

Write detailed technical specifications for entire systems (made up of several subsystems). Identify integration points. Review technical specs created by other developers.

"Scope" time, resources, etc. required to complete programming projects. Seek review from other Developers, Business Analysts, Systems Analysts or Project Managers on estimates

Perform unit testing and debugging. Able to debug most program errors
Support transition of application throughout the Product Development life cycle. Document what must be migrated. Often requires more coordination points for transitioning systems. Document what must be migrated / file properties

Demonstrate the ability to adapt and work with team members of various experience level

Basic Qualifications
6+ years of Software Design and Development experience developing REST APIs

Node.js experience
Strong JavaScript language understanding - Promises, ECMAScript 6, some functional programming knowledge

Experience consuming an array of web services: XML / SOAP / JSON
Understanding the nature of asynchronous programming and its quirks and workarounds

4-7 Experience working with AWS serverless
3-5 years of experience using CI-CD tools, containerized deployments, and cloud architecture

Understands the security risk using npm modules
Experience building Serverless applications on AWS using AWS SAM, API Gateway, Lambda, SQS, SNS, Kinesis, Cognito, DynamoDB, IAM Roles/Permissions.

Good understanding of micro services architecture and OOPS concepts clarity

Working experience using GitLab, Jenkins, PM2 and similar tools and technologies

Expert level experience and understanding with unit testing, release procedures, coding design and documentation protocol as well as change management procedures.

Experience developing web-based user interface for business applications
Integration experience using web services - SOAP and/or REST.

Strong debugging, problem solving and investigative skills. Ability to assimilate disparate information (log files, error messages etc.) and pursue leads to find root cause problems.

Experience with Agile/Scrum methodology.
Self-starter who can work independently.
Bachelor’s Degree in MIS, Computer Science, Math, Engineering or comparable major.

Strong consulting and communication skills. Ability to work effectively with various organizations in pursuit of problem solutions.

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