JOBWAVE VERIFIED

Senior Backend Engineer — Node.js

Company: Renesas Electronics
Job ID: Not provided
Location: Not specified in the supplied description
Work Mode: Not specified
Experience Required: Not specified
Employment Type: Not specified
Salary / CTC: Not disclosed
Industry: Semiconductor, Automotive, Industrial, Infrastructure, and IoT
Role Type: Backend Engineering
Core Domain: Node.js, Fastify, Python, REST APIs, Microservices, Distributed Systems

Primary Technology Stack: TypeScript, JavaScript, Node.js, Fastify, Python, SQL/NoSQL databases, Docker, Cloud Platforms

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JOBWAVE INSIGHTS

Who Is This Role For?

This position is intended for a backend engineer who can design, develop, and maintain scalable backend services using Node.js, Fastify, TypeScript, and Python.

The role emphasizes API and microservice development, distributed systems, database integration, production reliability, automated testing, and cloud deployment.

Candidates should be comfortable collaborating with frontend developers, QA engineers, and product managers while contributing to code reviews and engineering practices.

Important: Although the title says “Senior Backend Engineer,” the job description does not specify a minimum number of years of experience or explicit seniority expectations such as team size or people management.

Key Skills

• TypeScript and JavaScript
• Node.js and Fastify
• Python
• RESTful APIs and microservices
• Event-driven and distributed systems
• HTTP and WebSockets
• MongoDB, PostgreSQL, and Redis
• SQL and NoSQL database concepts
• OAuth2 and JWT authentication
• Docker and Git
• AWS, GCP, or Azure
• CI/CD pipelines and cloud deployments
• Automated testing
• Grafana, Prometheus, or ELK Stack
• Backend performance optimization and production troubleshooting

Priority Skills

Highest Priority — Required

1. TypeScript and JavaScript with Node.js
2. Fastify and backend service development
3. Python programming
4. REST APIs and microservices
5. Event-driven or distributed systems
6. HTTP and WebSockets
7. SQL/NoSQL databases
8. Docker, Git, and cloud platform fundamentals
9. OAuth2 and JWT
10. Monitoring and observability tools

Strong Advantages

• Experience designing scalable backend architectures
• Production troubleshooting and performance tuning
• Message queues and event-driven communication
• Automated testing and test-driven development
• CI/CD automation and cloud deployment
• Familiarity with semiconductor, automotive, industrial, or IoT-related software environments

The final domain-specific advantages are contextual recommendations based on Renesas's business; they are not stated as mandatory qualifications in the supplied description.

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JOB DETAILS

Role Overview

Renesas Electronics is looking for a self-driven backend engineer to build reliable, scalable services using Node.js, Fastify, and Python.

The position involves designing APIs and microservices, managing data flows, integrating databases and messaging systems, improving system performance, and contributing to cloud infrastructure and DevOps practices.

Core Responsibilities

1. Backend API and Microservice Development

• Design and develop robust RESTful APIs using Node.js and Fastify.
• Build and maintain scalable backend services and microservices.
• Write clean, efficient, and maintainable TypeScript, JavaScript, and Python code.
• Implement appropriate HTTP and WebSocket communication patterns.

2. Distributed Systems and Data Management

• Develop services that support event-driven or distributed architectures.
• Work with SQL and NoSQL databases.
• Integrate data stores such as MongoDB, PostgreSQL, and Redis.
• Work with messaging systems and backend data flows.
• Support reliable communication between services.

3. Testing and Quality Assurance

• Implement automated tests to maintain code quality.
• Collaborate with QA engineers to identify and resolve defects.
• Participate in code reviews.
• Follow maintainable coding practices and engineering standards.

4. Performance and Reliability

• Optimize backend performance and resource usage.
• Troubleshoot production issues.
• Improve service reliability and responsiveness.
• Use monitoring tools to identify and diagnose problems.

5. DevOps and Cloud Engineering

• Contribute to CI/CD pipelines.
• Work with Docker and version control using Git.
• Support cloud deployments on platforms such as AWS, GCP, or Azure.
• Contribute to monitoring, deployment, and operational reliability.

6. Cross-Functional Collaboration

• Work with frontend developers, QA engineers, and product managers.
• Participate in technical discussions and code reviews.
• Share knowledge with other team members.
• Contribute to continuous improvement of backend systems.

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REQUIREMENTS

Technical Requirements

Programming Languages and Frameworks

• TypeScript
• JavaScript
• Node.js
• Fastify
• Python

Backend Architecture

• RESTful API design
• Microservices
• Event-driven systems
• Distributed systems
• HTTP
• WebSockets

Databases and Messaging

• MongoDB
• PostgreSQL
• Redis
• SQL and NoSQL concepts
• Messaging systems

Security

• Authentication and authorization
• OAuth2
• JWT
• Secure API development practices

DevOps and Cloud

• Docker
• Git
• AWS, GCP, or Azure
• CI/CD pipelines
• Cloud deployments

Monitoring and Reliability

• Grafana
• Prometheus
• ELK Stack
• Performance optimization
• Production issue diagnosis

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QUALIFICATIONS

Education: Not specified in the supplied job description.
Minimum Experience: Not specified.
Required Languages: TypeScript, JavaScript, and Python.
Primary Framework: Node.js with Fastify.
Cloud Experience: Working knowledge of at least relevant cloud platform concepts is expected.
Monitoring: Familiarity with Grafana, Prometheus, or ELK Stack.
Salary and Benefits: Competitive benefits are mentioned; specific compensation details are not provided.

Company Overview

Renesas Electronics is a global semiconductor company serving automotive, industrial, infrastructure, and IoT markets. Its portfolio includes microcontrollers, systems-on-chip, analog products, power products, and related solutions.

The company describes its culture using five principles: Transparent, Agile, Global, Innovative, and Entrepreneurial.

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POTENTIAL GAPS TO CHECK

• Strong TypeScript and JavaScript fundamentals
• Practical Node.js and Fastify development
• Python programming experience
• REST API design and implementation
• Microservices architecture
• Event-driven and distributed systems
• HTTP and WebSocket communication
• MongoDB, PostgreSQL, or Redis
• Messaging systems and asynchronous processing
• OAuth2 and JWT implementation
• Docker and Git workflows
• Cloud deployment experience
• CI/CD pipeline knowledge
• Automated testing
• Grafana, Prometheus, or ELK Stack
• Backend performance optimization and production debugging

Potential screening risks:

1. Candidates with Node.js experience but no practical Fastify exposure should prepare to explain how Fastify handles routing, plugins, validation, and request processing.
2. Candidates experienced only in basic CRUD APIs may need stronger examples of distributed systems, messaging, reliability, and performance optimization.
3. The description does not clarify whether every listed database, cloud provider, and monitoring