Senior Full-stack Software Engineer (Internal Systems)

Overview

Join our ambitious Partner Portal team, where you'll help develop and maintain a cutting-edge self-service platform for Shift4's commercial teams, including internal sales and external partners. This portal is used for sales, customer service, support, merchant portfolio management, and various internal divisions (L&D, Marketing, and Finance). It has been operating successfully in the American market for over two years and is now starting to expand into Europe.

Our current strategic directions include:

• Global expansion (Europe, Canada, etc.)
• Core project enhancement
• Integrating AI capabilities
• GDPR compliance
• Deprecation of legacy systems

Responsibilities

• Collaborate cross-functionally with Business Analysts, QA, and other team members to achieve elegant solutions which satisfy business needs, goals, and objectives
• Work alongside other Software Engineers on the team to elevate technology and consistently apply best practices as they relate to the project and general software engineering concepts
• Participate in and contribute to the continuous improvement of development processes and technical solutions. Test code via unit, integration and acceptance testing techniques to ensure delivery and quality goals are met
• Diagnose and resolve issues with deployed systems using a variety of techniques including direct engagement with support personnel and customers
• Participate (sometimes facilitate) Tech grooming and/or requirement gathering/validation sessions; help maintain internal documentation and contribute to the team’s overall technical direction

Requirements

• 8 or more years of experience working with web application development
• Experience working with integrations, APIs, databases
• Experience working with system maintenance
• Be familiar with agile software development lifecycle (SDLC)
• Ability to independently drive technical analysis involving cross-team communication
• Be flexible and demonstrate the ability to execute on deadlines
• Experience working in an international context and solid English (written and spoken)

Technical Skills Required

• Programming Languages: TypeScript, JavaScript
• Backend Framework: Express.js, NestJS
• Frontend Technologies: React (version 18.2.0)
• Database: PostgreSQL, MSSQL 
• ORM: TypeORM, Sequelize
• Version Control: Git
• Containerization: Docker
• Testing: Jest for unit and e2e testing, Cypress (for end-to-end testing), Vitest (for unit and integration testing), Testing Library (React)
• Styling: Tailwind CSS (version 3.2.4), PostCSS
• Linting and Formatting: ESLint, Prettier, Stylelint
• Build Tools: Vite (as the project bundler and dev server), Rollup (implied by Vite ecosystem)

Other Skills

• Experience with Node.js and npm
• Familiarity with Redis caching
• Familiarity with Stored Procedures
• Understanding of RESTful APIs and microservices architecture
• Experience with Continuous Integration/Continuous Deployment (CI/CD) pipelines
• Proficiency in frontend development tools and libraries (e.g., Storybook, SWC, Axios, React Router, Lexical, ReactQuery, LogRocket, MSW, Joi and etc.)
• Experience with: DataDog, Sentry, LaunchDarkly
• Experience with an integration with SalesForce / Mulesoft (there is a dedicated team with whom you may need to have a joint task) is a plus
• Knowledge of AWS services is a plus.

Benefits

#LI-Hybrid

We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity and/or expression, status as a veteran, and basis of disability or any other federal, state or local protected class.