Full-Stack Developer

Summary

Join Shift4, a leader in commerce-enabling technology, as a Full Stack Developer. You will be part of an international, cross-functional team in a fast-paced environment, developing core services, new features, and integrations. The role involves hands-on development, technical decision-making, and collaboration within a Scrum team. You will design, implement, and maintain features across the stack using TypeScript (Node.js & React), ensuring security and quality. This position requires strong problem-solving skills, experience with Agile methodologies, and excellent communication. The ideal candidate is a self-starter, proactive, and a good team player.

Requirements

• 4+ years of experience as a full-stack developer with at least 2-3 recent years of experience with NodeJS and React
• Hands-on coding experience in TypeScript
• Skills of System Design and OOP design patterns
• Experience designing APIs and integrating with third-party APIs
• Experience with front-end development and best practices, skilled in React
• Thorough understanding of writing maintainable and secure code. Awareness of OWASP Top 10 common security vulnerabilities in web applications and preventions is essential
• Knowledge of PostgreSQL, Docker, basic knowledge of AWS
• Experience in 3rd line production support (troubleshooting, bug fixing, communication to stakeholders)
• Interest in blockchain, cryptocurrencies, and/or non-profits
• Analytical, decomposition and problem solving skills
• Experience with Agile project delivery
• Self-starter with an ability to learn new concepts quickly
• Strong communication skills in English

Responsibilities

• Design, implement features across the stack using TypeScript (Node.js & React)
• Backend and frontend development will be split roughly 60/40, depending on the team goals
• Embrace our engineering culture and write well-structured, maintainable, and efficient code along with unit tests
• Ensure security and quality of backend services as we deal with our clients’ money
• Design database schemas, write performant SQL queries and analyze slow places (PostgreSQL)
• Participate in design mocks review in collaboration with designer and product manager to ensure the delivery of best possible user experience
• Own production support issues (third-line), including troubleshooting and fixing complex bugs
• Work in Agile team, participate in all sprint activities: provide daily updates, groom sprint backlog, estimate sprint tasks, participate in the planning process, analyze what went well and what can be improved on the retrospectives
• Collaborate with the team, QAs and product team on platform improvements and selection of tools and technologies while keeping transparent communication with all stakeholders
• Lead and participate in technical research (spikes), solution design, and documentation
• Adding new features to internal administrative dashboard, donation form, donor dashboard, fundraising platform and public API
• Extending client self-service portal functionality
• Maintaining auto-updating API Reference documentation
• Donation form and fundraising platform updates
• Partner integrations: API, SDK, embedded iframe, etc
• Integrations with third-party APIs, development of our public API
• Technical research to come up with approach to migrate data from one DB to another
• Improving technical monitoring of the platform
• Documenting technical solution to start improvements discussion
• Collaboration with the product team on the Epic decomposition and quarter roadmap definition
• Helping other team members find the best solution if they stuck or blocked

Preferred Qualifications

• Experience in taking technical ownership in past projects (including system design, team coordination, or mentoring). Interest in taking on team management responsibilities will be considered a plus
• Experience with message queues (e.g., Kafka, RabbitMQ, AWS SQS and such)
• Familiarity with non-SQL storages (i.e. Redis)
• Experience with MUI, styled-components, state management tools (mobx, redux, etc.)
• Knowledge and experience with web services monitoring
• Experience with CI/CD pipelines configuration (e.g., implemented in GitLab)
• Experience with Jira software (or similar platforms) a plus
• Knowledge of how Kubernetes and AWS-based infrastructure works

Benefits

We work in 100% remote and outcome-focused teams of 5-8 experienced engineers with a strong culture of ownership