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Middle Backend Dev – Node.js at Blossom. Location Information: Colombia. Join Blossom!. We are a growing ecosystem of fully integrated digital banking solutions, designed by and for credit unions. We are seeking a dynamic, results-oriented . Backend Developer (Node.js). with a . B2+ level of English. . If you are passionate about microservices development and want to be part of an innovative company, this is your opportunity.. About the Job. We are looking for a developer with . 3+ years of experience. building . backend services in Node.js. for production environments. You’ll be involved in designing and implementing . RESTful and GraphQL APIs. , working with . Express.js. and the . Serverless Framework. on . AWS Lambda. , writing and optimizing . PostgreSQL (SQL) queries. , and applying . secure coding (OWASP). , scalability patterns, performance optimization, and . logging/monitoring. . You’ll collaborate with engineers who care about . maintainability, clean architecture, and observability. , contribute to solution design and technical decisions, and help us continuously improve our product and development practices.. This role is ideal for someone eager to deepen backend expertise, contribute to architecture and API design, and grow within a fast-moving, . remote-first. team.. Requirements. Bachelor’s degree in . Computer Science/Software Engineering. (or equivalent experience). 3+ years. building . Node.js. backend services in production. Experience with . Express.js. , . Serverless Framework. , and . AWS Lambda. Strong . PostgreSQL. skills, including . SQL query optimization. Proven work designing . RESTful. and . GraphQL. APIs, . microservices. , and . event-driven. systems. Secure coding (OWASP). , scalability patterns, performance optimization, . logging & monitoring. Tools: . Git. , . CI/CD pipelines. , testing frameworks (. Jest. , . Mocha. , or similar). Agile. experience (Scrum or Kanban); ability to handle . multiple projects and priorities. Intermediate to advanced English. for reading and technical communication. Docker. experience (optional but preferred). Bonus Points. Familiarity with . AWS services beyond Lambda. (e.g., . S3, API Gateway, SQS, RDS. ). Interest in . clean code. and software design patterns. Experience with . observability. and production troubleshooting. Perks. 100% Remote Work. – Work from anywhere. Growth Opportunities. – Learn, lead, and move into more senior roles. Performance Incentives. – Earn bonuses for excellent contributions. Multicultural Environment. – Collaborate with global talent in a supportive team. Continuous Learning. – Access to resources, mentorship, and upskilling programs