Ahsan WaseemSenior Backend Engineer · Sunnyvale, California, USA

I'm a senior backend engineer focused on scalable, distributed systems and event-driven backends— shipping reliable services with Java, Spring Boot, Kafka, and AWS.

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About

I'm Ahsan Waseem, a senior backend engineer in Sunnyvale, California, USA. My work centers on backend engineering for high-traffic systems: message pipelines, compensation and pricing platforms, and Kafka-backed services at scale — with strong emphasis on Java and Spring Boot, cloud infrastructure on AWS, and orchestration with Kubernetes.

This site is my software engineer portfolio — explore projects, experience, and skills, or get in touch.

Projects

Showcasing impactful projects and technical achievements.

Driver Communication & Compensation Platform

Event-driven backend platform for nationwide driver compensation and communications with strict correctness and reliability requirements.

Backend

Web Dev

Pricing, Engagement & Earnings Forecasting Systems

Kubernetes microservices and real-time pipelines supporting trip-level pricing, analytics, and earnings forecasting at marketplace scale.

Backend

Web Dev

QuickBit (Fintech Payments Platform)

High-throughput payment processing and wallet infrastructure enabling secure digital transactions and merchant integrations.

Backend

Fintech

Experience

Professional journey and career timeline.

Software Engineer III - Driver Communication & Compensation Platform

Walmart Inc.•Sunnyvale, CA

2023 - Present

Led backend development, platform engineering, and reliability strategy for nationwide driver compensation and communication systems serving 1.5M+ drivers.

JavaSpring Boot+6 more

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Software Engineer II - Pricing, Engagement & Earnings Forecasting Systems

Walmart Inc.•Sunnyvale, CA

2022 - 2023

Designed and scaled Kubernetes-based microservices with RESTful APIs supporting trip-level pricing, engagement analytics, and real-time earnings forecasts.

JavaSpring Boot+5 more

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Software Developer

Drishticon Inc.•Newark, CA

2021 - 2022

Built Spring Boot microservices as part of a monolith-to-microservices migration.

JavaSpring Boot+3 more

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Blogs

Thoughts on AI, software engineering, and building in public.

Skills

Key skills that define my professional identity.

Java

Build high-throughput backend services with strong typing, performance, and JVM tooling.

Spring Boot

Create production-grade microservices with robust configuration, observability, and REST APIs.

Apache Kafka

Design event-driven pipelines with partitioning strategy, consumer scaling, and reliable delivery patterns.

Kubernetes

Operate containerized services with scaling, rollout strategies, and production reliability.

AWS

Build and run scalable cloud infrastructure and backend services with a security-first mindset.

Terraform

Provision and manage cloud infrastructure with reproducible Infrastructure as Code workflows.

Common questions

Who is Ahsan Waseem?

Ahsan Waseem is a Senior Backend Engineer based in Sunnyvale, California, USA, specializing in distributed systems, microservices, Java, Spring Boot, Apache Kafka, AWS, and Kubernetes.

Where is Ahsan Waseem located?

He works in Sunnyvale, California, USA, with experience at companies including Walmart in the San Francisco Bay Area.

What technologies does Ahsan Waseem use?

Core stack includes Java, Spring Boot, Kafka, PostgreSQL, Redis, AWS, Kubernetes, Python, and event-driven backend architecture at scale.