Cheng Liu
Software Developer
13+ years exp
Go
Python
SQL
Active 1 day ago
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Overview
Technical skills
Timeline
Roles
Overview
Senior backend engineer with 11+ years of experience building production-grade Go services and API backends using REST and gRPC patterns. Extensive AWS experience spanning ECS-based deployments, Aurora PostgreSQL data modeling, and Terraform-managed infrastructure, with additional work on authentication, RBAC, audit logging, and compliance-aware reliability.
Technical skills
Go
Python
SQL
Databases
MySQL
Neo4j• 13y+
RabbitMQ• 9y+
Redis• 9y+
Amazon Aurora• 8y+
PostgreSQL• 5y+
DevOps
GitHub Actions
Red Hat
AWS• 9y+
Docker• 9y+
Terraform• 9y+
Rest API• 8y+
CI/CD• 5y+
gRPC• 5y+
Cybersecurity
Tcpdump• 13y+
HIPAA• 8y+
SOC 2• 5y+
Timeline
Software Engineer
•
Middle
Microsoft
•
Full-Time
Built and shipped Go backend services for a financial loan management platform, designing REST APIs covering the end-to-end loan lifecycle across many partner-facing endpoints. Implemented authentication and access control using JWT and OAuth 2.0 with role-based permissions and API key provisioning. Deployed services on AWS ECS with autoscaling and Terraform-managed infrastructure, and added SQS-backed async workers to improve reliability and responsiveness. Added CloudWatch observability, audit logging, rate limiting, and secure S3 storage patterns aligned to SOC 2 practices.
AWS
Amazon Aurora
PostgreSQL
Terraform
Docker
Rest API
gRPC
CI/CD
SOC 2
Senior Software Engineer
•
Senior
MaxMD
•
Full-Time
Designed and maintained Go microservices for a healthcare compliance platform, delivering REST APIs for care coordination, audit tracking, and regulatory reporting workflows. Built event-driven processing with SQS to handle asynchronous care plan updates, clinical alerts, and claims lifecycle transitions. Implemented OAuth 2.0 and JWT-based security with HIPAA-aligned access controls and audit logging. Owned integration designs with EHR and identity verification systems, and tuned Aurora data access for large-scale reporting.
Rest APIsince 2018
AWS
Amazon Aurorasince 2018
HIPAA
Software Engineer
•
Middle
MaxMD
•
Full-Time
Delivered Go backend services for the MaxMD mobile application, including secure authentication, clinical data exchange, and document workflow support. Rebuilt parts of a document signature workflow to ensure consistent device behavior and compliance readiness. Implemented Redis caching for high-traffic document metadata paths and integrated RabbitMQ for asynchronous notification dispatch and session lifecycle handling. Managed AWS deployments with Terraform and containerized services across multiple regional environments.
Redis
RabbitMQ
Terraformsince 2017
AWSsince 2017
Dockersince 2017
Stevens Institute of Technology
Master's Degree •
Computer Science
Software Engineer Internship
•
Junior
CyberFlow Analytics
•
Internship
Processed and correlated cybersecurity datasets containing PCAP/TCPDUMP files and attack metadata to identify malicious network activity patterns. Parsed raw network traffic into normalized packet-level datasets and aggregated flows into session-level datasets for temporal and behavioral analysis. Built a Neo4j graph database modeling network entities and relationships for investigation and analysis. Created graph-based and geospatial visualizations to support threat investigation and intrusion detection workflows.
Tcpdump
Neo4j
Beijing University of Posts and Telecommunications
Bachelor's Degree •
E-Commerce Engineering with Law