Fullstack Engineer

Grey is a fast-growing company that makes it easy for digital nomads worldwide to own foreign accounts. We help freelancers, remote workers, gig workers, and businesses create USD, EUR, and GBP foreign accounts to easily send, receive, save, and spend foreign currency.

Grey's services are provided by Grey Inc., a company duly incorporated under the laws of the State of Delaware, USA. Grey is a fully remote company with staff in Brazil, Canada, Egypt, India, Morocco, Singapore, Nigeria, Tanzania, the UK, and the USA.

We are looking for a skilled and experienced Fullstack Engineer to join our engineering team. In this role, you will be responsible for building and maintaining high-quality web applications and scalable backend services using React, Golang, and modern event-driven technologies. You’ll collaborate closely with product and design teams to deliver seamless user experiences and robust system architectures. The ideal candidate is a product-minded engineer with a strong grasp of system performance, clean code principles, and engineering best practices across the stack. This is a remote role suited for a self-driven individual who thrives in a collaborative, fast-paced environment.

As a Fullstack Engineer, you will:

• Design, build, and maintain fullstack applications using React and Golang
• Build and scale backend microservices using Golang and gRPC
• Implement and maintain event-driven systems with Kafka, RabbitMQ, or AWS SQS
• Collaborate closely with design and product teams to translate product requirements into well-crafted features
• Possess expert knowledge in performance, scalability, system architecture, and engineering best practices.

Basic Qualifications:

• 5+ years of production level software engineering experience
• Product-focused engineer with past consumer product expertise
• Excellent communication skills
• Ability to work effectively in a remote, cross-functional team environment

Preferred Qualifications: Backend

• Knowledge of software design principles, data structures, and algorithmic problem-solving, with practical experience in backend (Golang) development
• Experience working with microservices using Golang, gRPC, and event queues
• Experience working with message queues like Kafka, RabbitMQ, or AWS SQS
• Proficiency in testing Go based mircoservices, including mocking, benchmarking, and test coverage best practices
• Experience working with databases, database optimisation and monitoring tools
• Domain knowledge in financial application systems
• Proficient with version control systems like Git
• Excellent debugging and troubleshooting skills

Frontend

• Proficiency in TypeScript, React.js, and their core principles.
• Experience working with testing frameworks like Cypress and React Testing Library
• Experience building and working with component libraries
• Experience working with Javascript bundlers like Vite
• Familiarity with UI documentations using Storybook
• Familiarity with web security, performance and accessibility

Nice to have:

• Experience with AWS
• Basic understanding of UI/UX principles