Back End Engineer

Job Description

Senior Engineer (Backend/NodeJS/Postgres) Position Overview: We are seeking a highly motivated Senior Backend Engineer to join our growing team. In this role, you will be crucial in developing and maintaining our backend systems, focusing on NodeJS and the AWS Serverless stack. You will tackle complex technical challenges and contribute in building robust, high-performance services that power our platform. Responsibilities: Build, and maintain efficient, reusable, and scalable backend frameworks, applications, and services primarily using NodeJS, TypeScript, and AWS Serverless technologies (Lambda, API Gateway, Kinesis, EventBridge, SQS, SNS, Step Functions, AppSync, DynamoDB, S3). Python experience is also valued. Develop and consume GraphQL and REST APIs within a microservices and event-driven architecture. Actively participate in peer code reviews, ensuring code quality, adherence to standards, and knowledge sharing. Proactively identify, diagnose, and resolve complex performance bottlenecks and scalability challenges across the backend systems. Write comprehensive and effective unit, integration, and end-to-end tests using frameworks like Jest and Cucumber to ensure application reliability. Contribute to the build-out, and maintenance of modern CI/CD pipelines using Infrastructure as Code (AWS CDK) and automation tools (GitLab CI or similar). Troubleshoot, research, and work through complex technical problems independently and collaboratively. Contribute to architectural discussions and advocate for sound engineering practices. Effectively manage assigned tasks and contribute to multiple initiatives concurrently, demonstrating flexibility, attention to detail, and effective prioritization. Required Skills & Qualifications: Experience: 5-7 years of professional software development experience. 3-5 years of hands-on experience developing backend services with NodeJS. 2-3 years of experience developing, deploying, and managing applications on cloud platforms, preferably AWS. Technical Skills (Must Have): Strong proficiency in TypeScript and/or modern JavaScript (ES6+). Expertise with NodeJS and associated testing frameworks (e.g., Jest, Cucumber). Deep understanding and hands-on experience with the AWS Native Serverless stack (API Gateway, Lambda, Kinesis, EventBridge, SQS, SNS,AppSync, DynamoDB, S3 are key). Proven experience developing and implementing GraphQL APIs, REST APIs, microservices, and event-driven architectures. Experience with Postgres and NoSQL databases (like DynamoDB). Experience building and managing CI/CD pipelines using Infrastructure as Code (specifically AWS CDK) and automation tools (GitLab CI preferred, others acceptable). General Skills: Excellent analytical, troubleshooting, and complex problem-solving skills. Strong verbal and written communication skills. Highly attentive to detail, organized, and flexible. Ability to work effectively both independently and as part of a team. Preferred Skills & Qualifications: Domain knowledge in FinTech or the Mortgage industry. Experience working with custom event-based Workflow/Orchestration systems. Professional experience with Python. Experience implementing and managing feature flags. Experience with API versioning strategies (semantic versioning). Experience working within an Agile/SCRUM development process using Jira.