Frontend Developer- React

Frontend Developer- React
Exp- 8-10 Yrs
Can consider Non locals who can relocate
 
4 Roles -- 12-month contract – RTH will be evaluated towards the end of the assignment

- work location: Westerville, OH - ONLY
- 100% office presence expected from day 1

This team runs the ATM lab and is responsible for the modernization of the ATM platform. Multiple teams are contributing different competencies as part of this effort.
This specific team builds customer‑facing applications that run directly on the ATM. The role requires strong frontend engineering, with an emphasis on React, but it goes beyond traditional UI work.  The hiring manager is specifically looking for candidates with NodeJS and WebSockets experience. They are not targeting candidates whose background is primarily building dashboards or standard UI-only applications.  The ideal profile is a frontend‑heavy engineer who has real experience building interactive, real‑time applications using NodeJS and WebSockets. 

MUST have skills
React JS – 2-3 years
Java script 5+ years
Websockets, - 2-3 years
NodeJS - 2-3 years –  (Client isn’t using currently but wants candidates who have build services to serve and folks with this skill work well within client) 
Cucumber, Jest, Cypress - 5+ years

NICE to have skills
Grafana, Splunk, Dynatrace,
AWS
Spring, Spring Boot,
Scripting experience
Frontend to backend ratio for this role: 80/20

Job responsibilities
• Developing modern UI using front end technologies like React and backend services like Spring, ECS, AWS, S3, RESTful services.
• Design React JS based components for customer facing applications.
• Understand existing flows and modernize using cloud based technologies like AWS, React, Spring Boot.
• Collaborate within and outside team to design and develop solutions, analysis and fixing issues.
• Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems
• Creates secure and high-quality production code and maintains algorithms that run synchronously with appropriate systems
• Produces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development
• Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software applications and systems
• Proactively identifies hidden problems and patterns in data and uses these insights to drive improvements to coding hygiene and system architecture
• Contributes to software engineering communities of practice and events that explore new and emerging technologies
• Adds to team culture of diversity, equity, inclusion, and respect

Required qualifications, capabilities, and skills
• Formal training or certification on software engineering concepts and 3+ years applied experience
• Hands-on practical experience in system design, application development, testing, and operational stability
• In-depth knowledge of React JS. TypeScript, Websockets, NodeJS
• Experience with state management in React technologies
• Experience with automation test frameworks like Cucumber, Jest, Cypress and Storybook to write unit test, component test and contract tests.
• Experience with performance testing browser based applications.
• Experience with service workers, Grafana, Splunk, Dynatrace.
• Proficient in AWS services like ECS, S3, ALB, NLB, Lambda.
• Knowledge of OS scripting language like Powershell and Bash.
• Understanding of loosely coupled architecture and application design patterns
• Solid understanding of agile methodologies such as CI/CD, Application Resiliency, and Security

Preferred qualifications, capabilities, and skills
• Experience with micro frontends, CEN/XFS APIs, Terraform
• Exposure to Java, Spring, Spring Boot, RESTful, PowerShell, Bash, Dynamo, Aurora
• Experience with Datadog, CloudWatch, Open Telemetry