Senior Software Engineer - NestJS / Node.js

Role Overview :

We are seeking a highly skilled Senior Backend Engineer with strong expertise in NestJS, Node.js, and TypeScript to architect, build, and optimize backend systems for scalable, secure, and high-performance applications.

You will work closely with cross-functional teams to design and implement backend solutions, manage cloud infrastructure, and ensure robust CI / CD pipelines.

This role demands deep technical knowledge, hands-on development expertise, and an ability to mentor mid / junior developers while ensuring adherence to best practices in code quality, security, scalability, and DevOps Responsibilities : Development :

• Design and develop RESTful and GraphQL APIs using NestJS and Node.js.
• Write high-performance, modular, and maintainable TypeScript code.
• Implement business logic, data modeling, and service Management :
• Design and optimize schemas in PostgreSQL / MariaDB and MongoDB.
• Write optimized SQL queries, indexes, and stored procedures.
• Handle data migrations, replication, and backup & Infrastructure :
• Manage and deploy services on Google Cloud Platform (GCP) including Cloud Storage Buckets, IAM policies, Compute Instances, Cloud DNS, and Hosting.
• Implement and maintain infrastructure automation with Terraform and Ansible.
• Manage Kubernetes clusters for deployment & DevOps :
• Implement and maintain CI / CD pipelines in GitLab and / or Jenkins.
• Automate build, test, and deployment workflows.
• Ensure zero-downtime deployments and environment :
• Apply OWASP security principles in backend APIs.
• Manage IAM roles and permissions in cloud environments.
• Implement secure API authentication & authorization (JWT, Collaboration & Mentorship :
• Collaborate with frontend, QA, and DevOps teams for smooth delivery.
• Review code for performance, security, and maintainability.
• Mentor junior developers and guide best :
• Bachelors degree in Computer Science, Engineering, or equivalent experience.
• 4 to 6 years of backend development experience with Node.js / NestJS.
• Strong knowledge of cloud infrastructure (GCP preferred, AWS / Azure is a plus).
• Proven experience designing and deploying production-grade CI / CD pipelines.
• Hands-on Kubernetes, Terraform, and Ansible experience.
• Excellent understanding of relational and NoSQL database performance tuning.
• Strong problem-solving skills and debugging capabilities.
• Excellent communication and mentoring Skills :
• Experience with Redis, RabbitMQ, or Kafka.
• Exposure to microservices architecture and distributed systems.
• Experience with automated testing frameworks (Jest, Mocha, Cypress).
• Familiarity with observability tools (Prometheus, Grafana, :
• A responsible position in a fast-growing and highly innovative start-up.
• An agile and diverse team with colleagues from all over the world, working with our main office in Germany.
• English-speaking open work environment, with flat hierarchies and short decision-making paths.
• Creative freedom for own ideas, projects, and personal development.
• Quarterly awards for recognizing the hard work and talent within the team.

(ref : hirist.tech)