# Calvin Maguranis > Staff Software Engineer Location: Framingham, Massachusetts, United States Profile: https://flows.cv/calvinmaguranis Staff Software Engineer with a demonstrated 10+ year history of working in enterprise SaaS industry delivering high quality solutions efficiently. ## Work Experience ### Staff Software Engineer @ Bain & Company Jan 2024 – Present | Boston, Massachusetts, United States Led cross-functional teams to design and implement scalable AI-driven solutions, integrating LLMs and RAG frameworks with ML and Data Engineering to optimize client processes and drive impactful results ### Founding Engineer @ Attentional Inc. Jan 2024 – Jan 2024 Spearheaded the development for an ad publisher-brand collaboration platform MVP, driving initial product-market entry and feature adoption. React, Next.js, Tailwind, Python, FastAPI, PostgreSQL • Established foundational technical architecture and best practices to ensure scalability, maintainability, and future growth • Partnered closely with founders to align technical execution with product vision, enabling swift iterations to achieve product-market fit ### Staff Software Engineer @ Veho Jan 2021 – Jan 2024 | Remote Developed cloud-native solutions in AWS, utilizing API and event-driven communication. Leading teams of up to 11 developers, overseeing hiring, on-boarding, training processes, and mentorship. Technologies: AppSync, API Gateway, Postgres/RDS, DynamoDB, SQS, EventBridge, React/Redux, Apollo Transportation Network Planner (Team/tech Lead, Architect) • Scheduling service for ingesting package forecasts and planning middle mile truck schedules across the company’s network of facilities and UI to view and manage the generated schedule • Foundational for daily operations and optimization of the truck lane contracts in the future Delivery Route Marketplace (Team/tech Lead, Architect) • Led a team of 11 to extract and modernizing core business marketplace focused on matching crowd-sourced drivers to delivery routes • Micro service system to orchestrate jobs to generate clusters, offers, and release them to drivers and a management UI built in React for orchestration • Enabled rapid iteration and testing of optimizations for clustering of packages for more efficient and laid the groundwork for predictive marketplace offerings for improved economics Federated GraphQL Gateway (Individual contributor) • Implemented a federated GraphQL gateway through Apollo Studio, infrastructure to publish subgraphs to the supergraph and a proxy to handle authorization • Web UIs and micro services are able to make API calls across micro services automatically and without knowledge of which system to call for specific data Frontend Infrastructure Foundation (Individual contributor) • React web application template built on top of CRA, bundling libraries, utilities, and CICD boilerplate to rapidly establish a development environment. AWS is utilized to facilitate hosting • Serves as the foundation for all web UIs in the company to date, significantly expediting on-boarding and time to production for frontend systems ### Senior Software Engineer @ Quick Base Jan 2017 – Jan 2021 | Cambridge, Massachusetts, USA Code mentoring and training, unit and functional testing, code reviews, proof of concept feasibility, technical project planning, collaboration with product managers, designers, and other engineers to plan, scope, build, and deploy new features and improvements • Developer agility: upgraded Webpack for entire devorg to v4, researched v5 upgrade for module federation and automated new project creation via generators (Webpack, Nodejs) • Built widget plugin system and infrastructure for early access dashboards; technology is now the backbone of an in-development form and workflow builder (React, Apollo, GraphQL, Serverless) • Implemented visual drag and drop app builder for customers to create applications within the Quickbase ecosystem (React, Redux, Nodejs) • Designed detailed view of applications featured in company’s conference (EMPOWER) (React, Redux, Nodejs) ### Software Developer @ athenahealth Jan 2015 – Jan 2017 | Watertown, MA Patient Authorization Management – pre-alpha product, patient-focused SMART on FHIR/OpenID connect/OAuth2.0 web application in nodejs as the cornerstone identity management service for the division-wide initiative to enable universal access to patient data for patients and third party applications across all EHRs • Implemented SMART on FHIR/OpenID Connect/OAuth2.0 flows for third party clients • Utilized docker and docker-compose to orchestrate application staging reducing onboarding overhead for new developers from 1 week to 1 day Patient Identity Management - prototype patient-focused authorization web application using in-house perl framework Implemented OpenID Connect/OAuth2 specification • Built authorization into athenahealth's public EHR data REST API (MDP) • Automated OAuth flow for integration testing, reducing manual QA testing by 33% • Trained QA team reducing process turnaround from 1 week to 1 day Legacy Portal - per practice self-service portal for patients • Introduced new registration workflow triggered when unregistered patients opened automated messages, resulting in roughly 1 million additional users to date • Led custom SAML authorization protocol integration for one of athenahealth's largest clients ### Software Engineer @ TRD2, Inc. Jan 2014 – Jan 2015 | Boston, MA • Invented and Implemented window movement algorithm (C++) based off of motor current profile (utilized ADC, timers) for home automation platform • Architected and implemented embedded peripheral drivers (C) for ADC, GPIO and, EEPROM and fixes for I2C and timers for the TI TM4C Cortex-M4 embedded processor on the NuttX RTOS (Real Time Operating System) platform; all driver work contributed back to the open source community • Designed and developed bare-metal microprocessor prototype (C) for window control: naïve window position and directional support with a HTTP server implemented on top of LWIP network stack for web-based control (CGI calls to microprocessor control functions) • Specified standard application interface (C) for NuttX applications, allowing codebase to be leveraged for multiple targets • Researched, qualified and created embedded toolchain program and debug workflow: selected open source ARM-GCC toolchain utilizing OpenOCD and GDB as the in-circuit debug interface • Researched, qualified, and selected candidate embedded hardware and RTOS software for home automation development platform • Conducted proprietary board bring up and debug (C), worked closely with hardware to develop automated interface tests ### Software Engineer Co-op @ Mercury Systems Jan 2013 – Jan 2013 | Chelmsford, MA • Designed and developed PCIe diagnostic utility on EDK2 (UEFI. C); utility could scan and retrieve link status and capability, report standard and advanced error states, identify device type and, generate graphical device trees • Ported proprietary CLI application platform (UEFI, C) from EDK1 to EDK2 Linux framework; reduced build time by 30% • Developed embedded firmware for x86 daughter boards (C), bridged LPC, I2C buses and provided EEPROM and temperature sensor access ### Software Engineering Co-op @ Cambridge Technology Inc. Jan 2011 – Jan 2012 | Lexington, Massachusetts • Implemented features and bug fixes for motor controller host API (C, C++): removed singleton class to allow for multiple connections to the PC, identified unit conversion bug affecting motor precision and timing • Designed and developed motor controller feature preview (C#, C, C++) and code sample GUI • Implemented function generator GUI (C#) to control motor oscillation, has control to the least significant bit of controller position command resolution • Implemented C# wrapper for motor controller API (C++, C#) to be distributed to customers • Developed stepper motor control interface on Windows (C, C++) for new product • Automated 3-axis metrology station (LabVIEW) using PID closed-loop control system ## Education ### BS in Electrical Engineering Northeastern University Jan 2009 – Jan 2014 ## Contact & Social - LinkedIn: https://linkedin.com/in/calvin-maguranis-b9956045 --- Source: https://flows.cv/calvinmaguranis JSON Resume: https://flows.cv/calvinmaguranis/resume.json Last updated: 2026-03-22