N-iX Technology/Software

Senior Python Engineer (with TypeScript and Agentic development experience)

Union, NJ In person Full-time

As our client's data business grows, the Data Division's AI Platform Services team is building applications and platforms for customers using data in AI and ML projects. As a Senior Software Engineer, Backend, you will build the APIs, services, integrations, and data-access systems behind those products. You will help make complex data workflows reliable, secure, observable, and scalable for customer-facing and internal applications.

Responsibilities

  • Build and evolve reliable backend services, GraphQL and REST APIs, and integrations that power customer-facing and internal applications.
  • Design and maintain clear API contracts and data-access patterns for application workflows.
  • Work with relational and NoSQL databases to deliver dependable, scalable application behavior.
  • Build asynchronous and event-driven processing where it improves product workflows and system resilience.
  • Improve testing, observability, performance, and operational readiness for the systems you own.
  • Own substantial work from implementation through deployment, production support, and incremental improvement.
  • Partner with frontend engineers, product, design, and data teams to deliver useful product capabilities.
  • Contribute to code reviews, shared engineering practices, and peer learning.

Requirements

  • Experience making significant contributions to production backend systems, APIs, or services.
  • Agentic development is a core part of how you work: you use it deliberately to explore, build, and deliver projects, and can articulate the practices that make it effective.
  • Strong experience with TypeScript and Python for server-side application development.
  • Experience designing, building, and integrating GraphQL and REST APIs.
  • Experience with relational databases such as PostgreSQL or MySQL, and NoSQL systems such as DynamoDB or Cloud Firestore.
  • Experience building and operating serverless functions with AWS Lambda or Cloud Run functions.
  • Experience with automated testing, debugging, and production support for distributed or service-based systems.
  • Familiarity with Git-based collaboration and continuous-integration workflows.
  • Strong communication skills and a constructive approach to pull-request reviews and peer mentorship.

Nice to have

  • Experience with GCP services such as Cloud Run and GKE for application workloads, Pub/Sub for asynchronous processing, and Cloud SQL.
  • Experience with authentication, search, and cloud infrastructure.
  • Experience with messaging, queues, and event-driven architectures.
  • Experience building services for AI-enabled products and data-intensive workflows.
  • Familiarity with observability tools and using production signals to guide performance and reliability improvements.
  • Experience integrating services with external APIs and MCPs.

We offer*

  • Flexible working format - remote, office-based or flexible
  • A competitive salary and good compensation package
  • Personalized career growth
  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
  • Active tech communities with regular knowledge sharing

Education reimbursement

  • Memorable anniversary presents
  • Corporate events and team buildings
  • Other location-specific benefits
  • *not applicable for freelancers

Job description provided by N-iX.
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