Mid Fullstack Engineer (NestJS / Python / Typescript / Javascript)

Full Stack Engineer (NestJS / Python / Typescript) Why Join Tech9?

At Tech9, we’re driven by a clear mission—to empower organizations with AI-centered solutions that make them more adaptable, efficient, and future-ready.

As a company at the forefront of innovation, we help clients build exceptional software that not only meets today’s needs but anticipates tomorrow’s challenges.

Our partnerships with clients like Instructure, Young Living, Imagine Learning, and Mars Corp.

reflect our commitment to delivering top-tier, scalable, and world-class software.

With offices across the U.S., LATAM, and India, Tech9 is creating an environment where talented individuals thrive, collaborate, and have fun while building transformative solutions.

If you’re looking to grow in a fast-paced, innovative environment where your work truly matters, we’d love to hear from you.

Project Overview We’re partnering with a client in the workforce development and upskilling industry that’s building an AI-driven platform to deliver immersive workplace simulations.

The goal : help employees learn and master interpersonal and cognitive skills that directly improve performance, productivity, and retention.

We’re working with a company that builds AI-powered training simulations to help people improve real-world skills like leadership, communication, and decision-making.

Their platform is used by organizations in education, healthcare, and business to create safe, realistic environments where employees can practice important human skills.

To power these simulations, the company combines real-time audio / video, digital avatars, and AI, all running on a fast-moving backend infrastructure.

That’s where this role comes in.

Role Overview We’re seeking a Full Stack Engineer (NestJS / Python) with 4–6 years of experience, primarily focused on backend development (80%) in TypeScript and NestJS, with some work on the frontend (20%) using ReactJS.

You’ll play a key role in helping migrate a complex Java-based backend to a modern, cloud-native stack.

The project runs primarily in Azure, with some components in AWS and Jenkins for CI / CD.

You’ll work closely with design and product teams in an agile environment to deliver clean, scalable, and high-performing solutions while maintaining existing systems during the migration.

Key Responsibilities Develop, maintain, and optimize backend services using NestJS and TypeScript.

• Support frontend components using ReactJS as needed (approx.
• 20% of the role).
• Contribute to the migration of backend services from Java to NestJS.
• Collaborate with product and design teams to translate requirements into reliable technical solutions.
• Ensure code quality through peer reviews, testing, and adherence to best practices.
• Work with Azure and AWS cloud environments to deploy, monitor, and maintain applications.
• Participate in agile ceremonies (daily standups, sprint reviews, retrospectives).
• Troubleshoot, debug, and improve system performance.
• Minimum Requirements 4–6 years of professional software development experience.
• 3+ years of hands-on experience with TypeScript and NestJS in production environments.
• Experience with ReactJS (basic to intermediate; comfortable making front-end changes and integrations).
• Familiarity with Java (understanding legacy codebases or supporting migration work).
• Experience working with cloud services (Azure preferred; AWS a plus).
• Experience with Jenkins or other CI / CD pipelines.
• Strong understanding of software design principles, REST APIs, and modular architecture.
• Excellent communication skills and ability to work collaboratively in a cross-functional team.
• Nice to Have Experience integrating AI tools or APIs into software workflows.
• Familiarity with containerization (Docker, Kubernetes).
• Interest in mentoring or sharing knowledge within the team.

Interview Process Our process is designed to be fast, transparent, and candidate-friendly.

Screening Interview (HireVue) – 30 mins Online assessment to gauge initial qualifications and experience.

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