Senior Software Engineer

Senior Software Engineer

LightSpun | Bengaluru | Hybrid

About LightSpun

LightSpun is transforming the $200B dental insurance industry through cutting-edge AI automation. We're replacing decades-old manual processes with intelligent systems that reduce credentialing times from weeks to hours, slash administrative costs by 50%, and enable providers to focus on patient care instead of paperwork.

Backed by leading investors and working with major insurance carriers, we're building the digital infrastructure that will power the future of dental benefits administration. If you're passionate about using technology to solve complex healthcare problems at scale, we want to talk to you.

The Opportunity

As a Senior Software Engineer, you'll be a key technical contributor in building our AI-powered platform that's reimagining how dental insurance works. You'll architect and develop Python-based microservices that process millions of claims, automate complex workflows, and directly impact the healthcare experience for providers and patients nationwide.

This is a hybrid role based in Bengaluru, offering the perfect balance of collaborative in-office work and remote flexibility.

What You'll Do

• Build Microservices:
  Design and develop high-performance Python microservices using FastAPI that handle insurance transactions at scale
• API Development:
  Create robust, well-documented RESTful APIs with FastAPI and GraphQL endpoints using Strawberry that connect providers, insurers, and patients in real-time
• Cloud Architecture:
  Leverage Google Cloud Platform services (Cloud Run, Pub/Sub, Cloud SQL) to build scalable, resilient systems
• Database Design:
  Optimize PostgreSQL schemas and queries for complex insurance data models and high-throughput operations
• AI Integration:
  Collaborate with our ML team to deploy AI models into production using FastAPI endpoints
• Service Orchestration:
  Design inter-service communication patterns and implement event-driven architectures within our microservices ecosystem
• Infrastructure as Code:
  Define and manage cloud infrastructure using Pulumi with Python
• Performance Optimization:
  Profile and optimize Python code, database queries, and API response times
• Technical Leadership:
  Mentor junior engineers, establish FastAPI best practices, and drive code quality standards

What We're Looking For

Required Qualifications:

• 5+ years of software development experience with strong Python expertise
• Production experience with
  FastAPI
  or similar Python web frameworks (Flask, Django)
• Proven track record building and maintaining
  microservices architectures
• Strong experience with
  PostgreSQL
  including complex queries, indexing strategies, and performance tuning
• Hands-on experience with
  Google Cloud Platform
  services (Cloud Run, Cloud SQL, Pub/Sub, Cloud Storage)
• Deep understanding of RESTful API design, async programming in Python, and API documentation standards
• Experience with containerization (Docker) and orchestration in GCP
• Solid grasp of Python best practices, including type hints, testing (pytest), and code organization
• Bachelor's or Master's degree in Computer Science or equivalent practical experience

Preferred Qualifications:

• Experience with FastAPI's advanced features: dependency injection, background tasks, WebSockets
• Experience with GraphQL implementation using Strawberry GraphQL
• Knowledge of Python async/await patterns and asyncio
• Experience with Pulumi for infrastructure as code
• Familiarity with Google Cloud's AI/ML services (Vertex AI, Cloud AI Platform)
• Experience with event-driven architectures using Google Pub/Sub
• Understanding of PostgreSQL advanced features: JSONB, full-text search, partitioning
• Experience with healthcare technology, insurance systems, or regulated industries
• Knowledge of HIPAA compliance and healthcare data standards
• Experience with SQLAlchemy ORM and Alembic migrations
• Familiarity with Google Cloud monitoring tools (Cloud Monitoring, Cloud Logging, Cloud Trace)

Our Tech Stack

• Backend:
  Python 3.11+, FastAPI, Pydantic, SQLAlchemy
• Database:
  PostgreSQL 15+, Redis
• Cloud Platform:
  Google Cloud Platform (Cloud Run, Cloud SQL, Pub/Sub, Cloud Storage, Secret Manager)
• Infrastructure:
  Docker, Cloud Build, Pulumi, GitHub Actions
• Monitoring:
  Google Cloud Operations Suite
• Testing:
  pytest, pytest-asyncio
• API Tools:
  OpenAPI/Swagger, Strawberry GraphQL, Postman

What Makes This Role Special

• Modern Stack:
  Work with FastAPI and modern Python tooling including GraphQL with Strawberry
• Microservices at Scale:
  Design and implement true microservices architecture on Google Cloud
• Infrastructure as Code:
  Use Pulumi with Python for managing cloud infrastructure
• Impact:
  Your code will directly improve healthcare access for millions of patients
• Growth:
  Join during our scaling phase with opportunities for technical leadership
• Innovation:
  Integrate cutting-edge AI with FastAPI to solve real-world problems
• Culture:
  Collaborative, fast-paced environment where engineering excellence is valued

Key Projects You Might Work On

• Building high-throughput FastAPI services processing 100K+ claims daily
• Implementing GraphQL APIs with Strawberry for flexible data querying
• Designing PostgreSQL schemas for complex insurance eligibility rules
• Implementing real-time event streaming with Google Pub/Sub
• Creating async Python workers for AI-powered document processing
• Managing infrastructure as code using Pulumi with Python
• Optimizing API response times to sub-100ms for critical endpoints

Benefits & Perks

• Competitive salary and equity compensation
• Comprehensive health insurance
• Flexible work arrangements
• Learning & development budget (conferences, courses, certifications)
• Latest MacBook Pro and tech setup
• Quarterly team offsites
• Google Cloud certification sponsorship

LightSpun is an equal opportunity employer committed to building a diverse and inclusive team.

Ready to revolutionize dental insurance?
Apply now and help us build the future of healthcare technology.