Software Developer (Backend) - Subscription & Order Management Platform

At Stack Builders, we’re an international software consultancy that helps globally admired companies build exceptional software. We’re looking for an experienced Software Developer to contribute to the development and rollout of a modern subscription and order management platform, focusing on backend development, data migration, system integrations, and reliable production deployments.

We're passionate about solving complex engineering challenges while fostering a culture of continuous learning, collaboration, and technical excellence.

What you’ll do:

• Develop, enhance, and maintain backend services supporting subscription management, order processing, prescription workflows, fulfillment operations, and automated notifications.
• Collaborate with the client's engineering team to complete and prepare a new subscription and order management platform for production.
• Design, implement, and validate data migration processes for existing subscriptions, historical records, and related business data.
• Support a phased production rollout, ensuring the new platform operates reliably alongside the existing Stripe-based subscription system.
• Develop and execute testing strategies to validate data integrity, system functionality, and migration accuracy throughout deployment.
• Improve staging and testing environments by implementing reproducible synthetic or masked datasets to support reliable testing and deployment procedures.
• Troubleshoot integration issues, optimize backend processes, and contribute to system reliability, scalability, and maintainability.
• Collaborate directly with an international engineering team, communicate progress and blockers, and independently manage assigned development tasks.
• Participate in daily stand-ups, technical discussions, and weekly team meetings, maintaining consistent communication with European-based colleagues.

Requirements

What we’re looking for:

• 6+ years of professional software development experience, with a strong focus on backend development and production-grade applications.
• TypeScript: Strong hands-on experience developing scalable, maintainable applications using TypeScript, with advanced proficiency in its type system, including interfaces, generics, type inference, and type-safe application design.
• PostgreSQL: Solid experience designing, developing, and optimizing PostgreSQL databases, including relational data modeling, complex SQL queries, performance optimization, and ensuring data integrity.
• Prisma ORM: Hands-on experience with Prisma ORM and TypeScript with PostgreSQL, including schema design, database migrations, type-safe queries, relational data management, and efficient database operations.
• Solid experience designing, developing, and maintaining backend services, APIs, and database-driven applications.
• Experience working with subscription management, order processing, payment integrations, or transactional systems.
• Strong understanding of relational databases, data modeling, and complex data migration processes.
• Hands-on experience implementing and validating data migrations while maintaining data integrity and minimizing production disruption.
• Experience integrating third-party APIs and services, preferably including Stripe or similar payment and subscription platforms.
• Familiarity with automated testing, staging environments, and production deployment best practices.
• Ability to troubleshoot complex technical issues and contribute to reliable, scalable software solutions.
• Strong written and spoken English for daily communication with international teams and stakeholders.
• Excellent problem-solving, critical thinking, and collaboration skills, with the ability to manage work independently.
• Availability for at least 4 hours of overlap with European working hours, including participation in scheduled team meetings.
• Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent professional experience.

Nice-to-have:

• Experience with healthcare-related platforms, prescription management, or fulfillment workflows.
• Hands-on experience with Stripe subscriptions, billing APIs, or payment processing integrations.
• Familiarity with incremental system migrations, legacy platform modernization, and phased production rollouts.
• Experience creating synthetic or masked test data and improving automated testing processes.
• Experience working with distributed engineering teams in staff augmentation environments.