Senior Software Engineer

Job Title :: Senior Fullstack Developer (NodeJs + Python)

Location :: Pune India (Hybrid - 2 days onsite in a week)

Minimum relevant experience :: 6

Job Description:

• We are seeking a highly skilled Full-Stack Backend Node Developer with strong expertise in Node.js as the primary backend technology.
• This role is centered on backend system design and development within scalable, service-oriented architectures. The ideal candidate will have hands-on experience building robust APIs, developing server-side applications, and supporting modern distributed systems.
• Candidates should also have working knowledge of Python as a key secondary technology, with Java also beneficial, enabling them to support and maintain services across multiple backend stacks. While familiarity with front-end technologies such as React is beneficial, the primary focus of the role is backend development.

Key Responsibilities

• Build and maintain scalable backend services and APIs using Node.js
• Design and develop server-side applications within microservices-based architectures
• Develop and maintain RESTful APIs to support frontend and third-party integrations
• Collaborate with front-end developers to ensure seamless integration with React-based applications
• Design and optimise database schemas and backend data flows
• Work with cloud-based environments to deploy and maintain backend services
• Implement best practices in testing, version control, and CI/CD pipelines
• Troubleshoot and optimise backend performance, scalability, and reliability
• Communicate system architecture and technical decisions clearly to technical and non-technical stakeholders

Required Skills & Experience

• Strong proficiency in Node.js for backend development
• Experience building and maintaining RESTful APIs and backend services
• Strong working knowledge of Python (key secondary skill); Java beneficial but not a priority
• Strong understanding of system design and scalable backend architectures
• Experience working with relational or NoSQL databases
• Experience with version control systems, testing frameworks, and deployment pipelines
• Experience working within collaborative full-stack development environments

Nice to Have

• Familiarity with React for frontend integration
• Experience working with cloud platforms and containerized deployments
• Exposure to microservices-based architectures

About Ascendion:

• Ascendion is an AI-native software engineering disruptor helping businesses innovate faster, smarter, and with greater impact. We partner with enterprise clients across North America, the UK, Europe, and APAC to solve complex challenges in data, experience design, software product engineering, and workforce transformation.
• Powered by expert engineers, thousands of AI agents, and our Engineering to the Power of AI (EngineeringAI) method, we deliver measurable outcomes that build trust, unlock value, and accelerate growth.