Senior Backend Developer
Join Blossom! We are a growing ecosystem of fully integrated digital banking solutions, designed by and for credit unions. We’re seeking a seasoned Node.js/NestJS Developer to help us build robust, scalable systems.
About the Job
You will design and develop backend services with Node.js and NestJS, applying solid software architecture, design patterns, and SOLID principles. Your work will include building and consuming GraphQL APIs, enabling real-time features with WebSockets, and implementing unit and end-to-end (E2E) tests. You’ll own data access with advanced SQL (complex queries, optimization), manage migrations and models using an ORM such as Sequelize, and integrate cloud components on AWS (e.g., Lambda, RDS, DynamoDB, SQS). You’ll also collaborate through Gitflow, create reusable libraries, custom middlewares, method decorators, and scheduled tasks (cron jobs).
Requirements
Education: Professional in systems engineering, electronic engineering, statistics, mathematics, or related fields; specialization preferred.
English: Basic to intermediate level.
Experience: 4+ years of professional experience with Node.js, JavaScript, and TypeScript.
Frameworks: Strong hands-on experience with NestJS.
Software Design: Solid understanding of software architecture, design patterns, and SOLID principles.
Databases: Intermediate to advanced SQL (write/optimize complex queries); experience with ORMs (e.g., Sequelize) and handling database migrations.
Cloud (AWS): Proven experience with Lambda, RDS, DynamoDB, and SQS.
APIs & Realtime: Proficiency building/consuming GraphQL APIs and implementing WebSockets.
Ecosystem & Practices: Experience implementing libraries, custom middlewares, method decorators, and cron jobs; strong knowledge of Gitflow; proficiency writing unit and E2E tests.
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 – Work with global talent in a collaborative team
Continuous Learning – Access to resources, mentorship, and upskilling programs
About the job
Apply for this position
Senior Backend Developer
Join Blossom! We are a growing ecosystem of fully integrated digital banking solutions, designed by and for credit unions. We’re seeking a seasoned Node.js/NestJS Developer to help us build robust, scalable systems.
About the Job
You will design and develop backend services with Node.js and NestJS, applying solid software architecture, design patterns, and SOLID principles. Your work will include building and consuming GraphQL APIs, enabling real-time features with WebSockets, and implementing unit and end-to-end (E2E) tests. You’ll own data access with advanced SQL (complex queries, optimization), manage migrations and models using an ORM such as Sequelize, and integrate cloud components on AWS (e.g., Lambda, RDS, DynamoDB, SQS). You’ll also collaborate through Gitflow, create reusable libraries, custom middlewares, method decorators, and scheduled tasks (cron jobs).
Requirements
Education: Professional in systems engineering, electronic engineering, statistics, mathematics, or related fields; specialization preferred.
English: Basic to intermediate level.
Experience: 4+ years of professional experience with Node.js, JavaScript, and TypeScript.
Frameworks: Strong hands-on experience with NestJS.
Software Design: Solid understanding of software architecture, design patterns, and SOLID principles.
Databases: Intermediate to advanced SQL (write/optimize complex queries); experience with ORMs (e.g., Sequelize) and handling database migrations.
Cloud (AWS): Proven experience with Lambda, RDS, DynamoDB, and SQS.
APIs & Realtime: Proficiency building/consuming GraphQL APIs and implementing WebSockets.
Ecosystem & Practices: Experience implementing libraries, custom middlewares, method decorators, and cron jobs; strong knowledge of Gitflow; proficiency writing unit and E2E tests.
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 – Work with global talent in a collaborative team
Continuous Learning – Access to resources, mentorship, and upskilling programs