Shawn Liu

SL

Looking for a job

Shawn Liu

@shawnliu

I build high-scale full-stack platforms, modernize cloud systems, and lead reliable engineering delivery.

What I'm looking for

I'm looking to lead the design and delivery of reliable, high-scale software platforms while mentoring engineers and improving cloud architecture, performance, and operational excellence.

At BigBear.ai, I re-architected a client reporting platform serving 40+ enterprise customers into event-driven microservices, reducing p95 latency from 2,400ms to 610ms and unblocking $340K in installed renewals.

I build reliable cloud platforms with Next.js, TypeScript, Node.js, AWS, Kubernetes, PostgreSQL, and Kafka. I cut annual AWS spend by $180K, established 99.95% availability targets, and reduced mean time to resolution from about 90 minutes to 25.

Previously at Dexian, Google, Experian, and Salesforce, I delivered SSR migrations, real-time analytics, payment and notification systems, and high-performing customer applications. I also mentor engineers, lead on-call practices, write architecture standards, and make production systems easier to operate.

Experience

Work history, roles, and key accomplishments

BI

Senior Software Engineer / Tech Lead

BigBear.ai

Jun 2023 - Jun 2026 (3 years)

Re-architected a monolith into event-driven microservices, reducing p95 latency and cutting AWS spend. Led observability, feature flags, and mentoring initiatives.

Next.js TypeScript NodeJS Kafka Kubernetes Amazon EKS Terraform GitHub Actions Datadog OpenTelemetry Redis PostgreSQL Tailwind Storybook TurboRepo gRPC REST

DE

Senior Software Engineer

Dexian

Jun 2021 - May 2023 (1 year 11 months)

Led SSR migration to Next.js and GraphQL, optimized PostgreSQL queries, and designed multi-region failover. Improved test coverage and security posture.

Next.js GraphQL PostgreSQL AWS RabbitMQ Amazon SQS SNS Amazon Cloudfront Jest Cypress React Testing Library OAuth JWT OWASP

GO

Software Engineer

Jul 2019 - May 2021 (1 year 10 months)

Developed real-time analytics dashboards and Python ETL services. Instrumented observability and containerized services to standardize environments.

React TypeScript NodeJS D3.Js Python PostgreSQL Prometheus Grafana Sentry Docker GitHub Actions Nginx Linux

EX

Software Engineer

Jun 2017 - Jun 2019 (2 years)

Built customer-facing SPAs and integrated third-party APIs. Implemented Redis-backed session management and resolved production issues.

React Redux NodeJS Express Stripe Sendgrid Twilio Redis Cloudwatch

SA

Junior Software Developer

Dec 2015 - May 2017 (1 year 5 months)

Built responsive UIs and Node.js CRUD endpoints. Managed Git workflows and wrote internal documentation.

HTML5 CSS JavaScript NodeJS Git

Education

Degrees, certifications, and relevant coursework

UF

University of Florida

Bachelor's Degree, Computer Science

2010 - 2015

Bachelor's Degree in Computer Science from the University of Florida, completed in 2015.

Availability

Looking for a job

Location

United States

Authorized to work in

Salary expectations

60k+ USD

Social media

Job categories

Software Engineer Technical Lead Software Architect

Skills

TypeScript JavaScript Python SQL HTML5 CSS BASH React Next.js Redux toolkit Zustand Tanstack Query Tailwind SASS Storybook Responsive Design Core Web Vitals Lighthouse WCAG 2.1 AA NodeJS ExpressJS NestJS Fastify fastAPI REST API Design GraphQL Apollo gRPC OpenAPI Swagger Webhooks WebSockets Serverless Architecture PostgreSQL MongoDB MySQL Redis DynamoDB Elasticsearch OpenSearch Prisma TypeORM Mongoose Read Replicas Partitioning Query Optimization Database Migration Microservices Architecture Event Driven Architecture Domain Driven Design CQRS Design Patterns SOLID Principles Caching Strategies API Versioning Distributed Systems AWS EC2 AWS ECS Amazon EKS AWS Lambda S3 Amazon Cloudfront Amazon API Gateway Amazon Route 53 AWS IAM Amazon VPC AWS Secrets Manager Kubernetes Docker Terraform GitHub Actions CI CD Blue Green Deployment Canary Deployment Nginx Linux Failover Disaster Recovery Datadog Grafana Prometheus Cloudwatch Sentry OpenTelemetry SLOs SLIs SLO SLAs Incident Response On call Rotation Postmortems Load Testing Jest Cypress Playwright React Testing Library Contract Testing Pact Mock Service Worker Test Driven Development OAuth OIDC SAML SSO JWT OWASP Snyk Data in Transit Encryption At Rest Encryption SOC2 Kafka RabbitMQ Amazon SQS Amazon SNS D3.Js Stripe Sendgrid Twilio Git

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