Tim Adamczyk
Tim Adamczyk
Software Engineer II
About Me

Creative, collaborative Software Engineer with 7+ years delivering production backend systems — Java, REST APIs, async messaging, and cloud-integrated services. Known for partnering closely with cross-functional teams to reduce manual processes, centralize data, and build maintainable systems at scale. AI-first developer actively building with Spring Boot, AWS, and PostgreSQL.

Experience
2021 / 2026
Castle Biosciences
Software Engineer II
  • Designed and built a Java REST API service owning the full API layer and companion UI workflow — core logic written without framework scaffolding
  • Structured Java services using dependency injection to isolate business logic, improve testability, and support maintainable data flow through complex workflows
  • Developed an OCR solution automating 70% of previously manual order intake — reduced turnaround time and eliminated processing errors
  • Built AI-assisted data pipelines integrating external REST APIs with internal systems, reducing data entry turnaround across operations
  • Engineered async integrations connecting upstream data sources to downstream processing systems via event-driven patterns
  • Restructured core data model reducing a 6-week manual process to under 1 week
  • Wrote and maintained unit tests across production services; designed code architecture for testability and long-term maintainability

2019 / 2021
MST Solutions
Software Engineer II
  • Built enterprise software instances from the ground up for healthcare and financial services clients
  • Integrated platforms with external systems for bidirectional data exchange via REST APIs
  • Managed full-lifecycle implementations from requirements gathering through go-live, coordinating onshore and offshore teams
  • Optimized application performance and cost efficiency through code review and data architecture improvements
  • Mentored junior developers through code reviews and knowledge sharing

2016 / 2017
Martha + Mary
Web Developer
  • Deployed 6 marketing websites across 5 properties, managing full development lifecycle
  • Established server infrastructure for remote file access across the organization
Projects
2025 / Now
Neighbor POS
Personal Project
  • Self-hosted Odoo ERP on Docker serving as a production proving ground for Phoenix-area small business clients
  • Architecting multi-tenant service layer with PostgreSQL backend and REST API integrations
  • Applying microservice patterns, async event handling, and CI/CD workflows
  • AI-first development using Claude Code and MCP tooling throughout the stack
Skills
Languages
  • Java
  • Python
  • JavaScript / HTML / CSS
  • Apex
Core Java
  • OOP & clean code
  • Dependency injection
  • REST API development
  • Unit testing
Frameworks
  • Spring Boot
  • Hibernate / JPA
  • React
  • LWC
Cloud & DevOps
  • AWS — S3, SQS, EC2, RDS, API Gateway
  • Azure
  • Docker
  • Git, Jenkins, CI/CD, Bitbucket
Databases
  • PostgreSQL
  • MySQL
  • SQL Server
Async & Messaging
  • AWS SQS
  • Event-driven architecture
  • Asynchronous service integration
AI & Developer Tools
  • Claude Code & MCP tooling
  • AI-assisted development
  • Anthropic API
Platforms
  • Odoo ERP
  • Salesforce CRM
Education
Bachelor of Fine Arts
School of the Art Institute of Chicago, Chicago
Certifications
  • Salesforce Platform Developer I
  • Salesforce App Builder