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Onkar Lapate

@onkarlapate27

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Software Development Engineer with a passion for building scalable solutions.

India

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What I'm looking for

Seeking a challenging role that leverages my technical expertise to drive business growth and improvement, with a focus on scalable solutions and secure access control.

Software Engineer with 5 years of experience building high-performance, scalable systems using Python, Django, and FastAPI. I specialize in API optimization, payment systems, database performance tuning, and system architecture.

💼 CORE TECHNICAL EXPERTISE

Backend Development:
- Languages: Python (5 years), JavaScript, C++
- Frameworks: Django, Django REST Framework, FastAPI, Flask
- Databases: PostgreSQL (advanced), MySQL, Redis (caching & queues)
- APIs: RESTful design, Stripe API, Meta API, Google APIs, OAuth 2.0

Infrastructure & DevOps:
- Cloud: AWS (EC2, S3, CloudWatch)
- Tools: Docker, Celery, RabbitMQ, GitHub Actions
- Architecture: Event-driven systems, async processing, microservices

Specialized Skills:
- Payment Integration (Stripe: subscriptions, webhooks, proration)
- Performance Optimization (query tuning, caching strategies, async processing)
- System Design (RBAC, attribution systems, data pipelines)
- Third-party Integrations (Meta Ads, Google Ads, Shopify, Slack)

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

layerfive

May 2025 - Present (9 months)

Designed and developed RBAC, Stripe based Payments System, Custom Onboarding for Clients.

Optimized critical APIs: Client Registration (30s → 6s), Marketing Funnel (10s → 1s), IG Organic Posts (80s → 30s).

Reduced marketing funnel query time by 70% using PostgreSQL materialized views for identity resolution tracking 50K+ visitor journeys.