# John O'Brien

> Software Development Engineer II at Amazon Web Services

Location: Greater Boston, United States
Profile: https://flows.cv/johnobrien

John is an experienced senior software developer with a master's degree in machine learning. He is primarily a Java developer with extensive knowledge of the AWS SDK.

## Work Experience
### Software Development Engineer II @ Amazon Web Services (AWS)
Jan 2023 – Present | Boston, MA
• Implemented MCP Server tooling to facilitate deep dive investigations across multiple services  
• Coordinated across control plane and data plane teams to deliver solution allowing fleet-wide remediation to occur without impact to customer data, addressing major durability risk.  
• Automated provisioning of new storage hardware (Exabytes), reducing ingestion time from weeks to hours. Established supporting rate limiting, Andon cords, and supported monitoring.  
• Disambiguated complex drive vetting requirements for new storage hardware and lead strategic team effort requiring work from multiple engineers to accomplish organization wide goal.
• Exposed storage fleet metadata through lightweight ETL pipeline, addressing stakeholder requirements without additional consumption of service throughput resources.
• I ntroduced a microservice to vend static and dynamic remittance instructions based on customer fixed or virtual bank account allowing expansion into new regions.

### Software Development Engineer @ Amazon Web Services (AWS)
Jan 2021 – Jan 2023 | Remote
• Established FX rate management and conversion microservices to support fixed foreign exchange rates to address customer pain point around budgeting
• Developed workflows to automatically onboard new currencies to fixed FX program, reducing engineering effort by over 2 weeks per currency
• Designed an extensible pagination solution for discoverability APIs that required queries on multiple indexes with each call
• Migrated multiple services from long term credentials to regionalized ephemeral credentials, greatly increasing the security and durability of the services
• Reduced operational burden through implementation of automated tooling that prevents risks from entering the deployment pipeline
• Mentored intern through the process of developing a production-ready web service to vend payment remittance instructions, resulting in a return offer being extended to intern

### Senior Connected Solutions Engineer @ Bosch Rexroth
Jan 2021 – Jan 2021 | Bethlehem, PA
• Established a remote equipment monitoring solution that allowed the transition from $200k+/yr. fixed cost maintenance to 70% variable cost maintenance

### Connected Solutions Engineer @ Bosch Rexroth
Jan 2020 – Jan 2021 | Bethlehem, PA
• Managed a cradle-to-grave inventory databasing project to reduce quality concerns
• Designed a credit limit forecasting Power BI dashboard that has eliminated short term credit escalations for our large ETO projects

### Information Technology Engineering Trainee @ Bosch Rexroth
Jan 2018 – Jan 2020 | Bethlehem, PA
• Developed a database tool to track and communicate workplace hazards from management to associates, reducing lead time from days to minutes
• Maintained and updated customer facing Angular website with over 1,000 daily hits


## Education
### Master of Science - MS in Computer Science
Georgia Institute of Technology

### Bachelor of Science - BS in Mechanical Engineering
Bucknell University


## Contact & Social
- LinkedIn: https://linkedin.com/in/johnobrien96

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Source: https://flows.cv/johnobrien
JSON Resume: https://flows.cv/johnobrien/resume.json
Last updated: 2026-03-31