Middle Fullstack Developer (backend)

Join Blossom!

We are a U.S.-based company with over 20 years of experience dedicated to enhancing the satisfaction of credit unions and their members. We are committed to developing simpler and more innovative financial services that assist credit unions in serving their current members and attracting new ones. We are building the next-generation technology layer for credit unions. www.blossom.net

We are seeking a Mid Full Stack Engineer to join our growing team. This role focuses on building and scaling high-availability, mission-critical full stack applications within a collaborative, fast-paced environment. If you're passionate about backend and frontend development using JavaScript/TypeScript, working with relational databases, designing scalable APIs, and building cloud-native systems in AWS, we'd love to hear from you. You will contribute to developing reliable end-to-end solutions, writing clean and maintainable code, and collaborating with cross-functional teams to solve complex technical challenges.

About the Role

We are looking for a Mid Full Stack Developer who is passionate about building scalable services and modern user interfaces, working with cloud infrastructure. The ideal candidate has experience developing backend applications using JavaScript or TypeScript, building frontend experiences with React, working with relational databases, and deploying services in AWS environments. You will collaborate closely with product, design, and infrastructure teams to design, develop, and maintain the systems that power our applications.

Responsibilities

• Design, develop, and maintain backend services using JavaScript or TypeScript.
• Build and optimize APIs and backend logic for scalable applications.
• Develop frontend interfaces using React, applying modern patterns including Hooks and component-based architecture.
• Integrate third-party APIs and services, including webhook-based event handling.
• Work with PostgreSQL databases to design queries and manage data efficiently.
• Deploy and maintain services in AWS environments, including Lambda and RDS.
• Monitor system performance and logs using CloudWatch.
• Implement secure credential management using AWS Secret Manager.
• Collaborate with cross-functional teams to deliver reliable full stack solutions.
• Write clean, maintainable, and well-documented code following OOP principles.
• Use Git and GitHub for version control and collaboration.
• Leverage AI-assisted development tools to improve productivity and code quality.

Minimum Requirements

• Experience developing backend applications using JavaScript or TypeScript.
• Hands-on experience with React, including Hooks and state management.
• Knowledge of PostgreSQL and relational databases.
• Experience integrating third-party APIs and handling webhooks.
• Experience with Git and GitHub.
• Familiarity with AWS services, such as:
  • AWS Lambda
  • RDS
  • CloudWatch
  • Secret Manager
• Understanding of Object-Oriented Programming (OOP) principles.

Preferred Qualifications

• Around 2+ years of full stack development experience (flexible).
• Experience building serverless architectures.
• Familiarity with API design and backend best practices.
• Experience consuming and integrating external APIs (payment gateways, notifications, identity providers, etc.).
• Ability to work collaboratively in a fast-paced environment.

Nice to Have

• Experience working in cloud-native applications.
• Experience optimizing database queries and backend performance.
• Familiarity with AI-assisted development tools (Cursor, GitHub Copilot, Claude Code, etc.) and how to apply them in day-to-day workflows.
• Experience with webhook design and event-driven integrations.

Perks

• Remote-friendly work environment
• Opportunity to work with modern cloud-native technologies
• Career growth and professional development opportunities
• Collaborative and supportive engineering culture
• Work on scalable, high-impact systems
• Exposure to modern full stack architecture and AWS services
• Flexible work environment focused on outcomes

Apply Now!