# James B. > Leading engineering teams Location: United States, United States Profile: https://flows.cv/jamesb Software engineering manager currently with a focus on mobile. I’ve taken ideas from 0 -> 100 utilizing everything from cross platform technologies like Flutter, React Native, and PWA setups with capacitor JS all the way to native implementations with Kotlin / Swift. In the past I’ve worked as a full stack web developer utilizing both typescript (React) and python (Django) across the tech stack for end to end feature development. ## Work Experience ### Software Engineering Manager (Core Mobile) @ Ava Labs Jan 2026 – Present | New York, New York, United States ### Senior Mobile Software Engineer @ Ava Labs Jan 2025 – Present | New York, New York, United States ### Senior Software Engineer @ Casa Inc. Jan 2024 – Jan 2025 - Delivered features across the entire stack including native Android development, native iOS development, frontend with React and Next.js, and backend services to support institutional and retail cryptocurrency custody solutions - Led development of YubiKey hardware wallet integration across Android and iOS, implementing FIDO2 and passkey authentication with large blob storage to securely encrypt and store private keys for transaction signing - Architected and delivered enterprise-grade Bitcoin treasury management platform, building comprehensive dashboards and granular role-based permission systems to support corporate custody with temporary auditor access controls - Implemented passwordless authentication using passkeys on native iOS and Android applications, significantly enhancing security posture and user experience across the Casa wallet ecosystem - Led cross-functional team in launching buy/sell functionality for Bitcoin across mobile platforms, developing full-stack solution including backend infrastructure and native mobile clients for both iOS and Android ### Contract Software Developer (Mobile) @ Jolly Roger Telephone Company Jan 2019 – Jan 2025 | Remote • Developed two cross-platform mobile applications created to combat telemarketers. • Used expo/react native to provide over the air updates, to testing / production environments • Helped team source contractors for design, and marketing of applications. • Built out ci/cd for easy deployments from the command line. ### Senior Software Engineer @ Chamber Jan 2022 – Jan 2024 - Acquired by Casa in 2024 - Contributed significantly to the "Safes by Prestige Labs" project, which successfully passed a rigorous month-long security audit, by ensuring the application met stringent security standards across mobile and web platforms. - Led mobile development with React Native, emphasizing passkey implementation, encryption, and seamless integration with Ethereum smart contracts for enhanced security and user experience. - Developed a sophisticated system for wallet recovery, employing iCloud for secure data protection, aligning with industry-leading security standards. - Ensured user data safety by implementing envelope encryption using AES-256 and RSA-OAEP 4096, establishing robust data protection practices and setting a high standard for security. - Utilized encryption and passkey knowledge to develop a second security focused app "Vaults" which was a zero knowledge, password less, end-to-end encrypted file storage app. ### Software Engineer II @ BentoBox Jan 2021 – Jan 2022 | New York, New York, United States - Acquired by Fiserv in 2021 - Spearheaded the development of key features enhancing the user interface and experience for restaurant clients, including a dynamic image cropping tool that significantly improved the visual presentation of online menus. - Led the technical migration from Google Analytics to a proprietary analytics platform using Snowplow and Snowflake, enhancing data privacy and enabling more detailed user behavior analysis. - Played a pivotal role in refactoring the core product architecture, which saved thousands of hours internally for onboarding teams, improving code maintainability and reducing technical debt. - During a company hackathon, initiated and led a cross-functional team to explore blockchain-based rewards using NFTs for enhancing customer loyalty and brand interaction, showcasing innovative thinking and technical leadership. ### Freelance Software Developer @ Various Companies Jan 2018 – Jan 2022 | Indianapolis, Indiana • GreekTank - Implemented Next.js-powered Shopify plugin to support online T-shirt product customization. • Dulead - Consulted team on an app overhaul with Reactjs and Ruby on rails. • Stock Teamup - Constructed React / Redux powered news feed for financial based social media network. • Koala T Poker League - Designed and built a React front-end for keeping track of local poker leagues scores. ### Software Engineer @ Lumatic Imagery Jan 2019 – Jan 2021 | Remote • Hired as a freelancer, brought on as a full time employee after 4 months, Solo/lead developer for the company. • Built scheduler service responsible for managing customer relationship emails and event scheduling. • Maintained and contributed to uploader service responsible for processing and editing incoming photos from photographers, and our in house photography products. • Managed vendor relationships, charged with selecting vendors for document searching, photo editing, and data storage. • Maintained our core customer base (Greek organizations), while also expanding the platform's ability to bring in all types of organizations. • Migrated Version control from Azure devops to Github, and reconstructed CI/CD pipelines for multiple services / environments with Github actions. • Developed an IOS app & hardware for a portable, COVID-safe photography product ### Automotive Technician @ Mercedes Benz indianapolis Jan 2017 – Jan 2019 | Indianapolis, Indiana Area Perform root cause diagnosis on highly complex vehicles and systems. Testing and implementing new solutions in order to raise productivity, save cost, and save time for company and customers. Maintain consistent work quality, while still meeting precise deadlines and customer needs. ### warehouse laborer, quality control @ AED Motorsport Products Jan 2016 – Jan 2017 | Indianapolis, Indiana Helped diagnose and solve computer/software/wireless internet problems in the office in order to keep front end and backend operations moving smoothly. Inspected raw materials inbound and outbound to ensure ISO 9001 standards were met. Worked social events to preform face to face sales and descriptions of material uses and the production process. Discarded and rejected products, materials and equipment that did not meet specifications. Recorded inspection and test data such as weights, temperatures, grades and quantities inspected and graded. Routinely checked measuring equipment to resolve testing problems. Recorded defects and coordinated issue resolution with development team and functional leads. ### Automotive Technician @ Ed Martin Nissan Jan 2016 – Jan 2016 | Fishers, Indiana Flat rate tech, attended electrical and chassis diagnosis classes to achieve certifications. Conducted routine and scheduled maintenance services such as oil changes, lubrications and tune-ups. Communicated effectively with customers on future problems and repairs that might need to be addressed. Upheld top-quality workmanship and excellent customer service. Diagnosed computer and electrical failure with appropriate testing equipment. Verified vehicle serviceability by conducting test drives and adjusting controls and systems. ### Crew Chief, Certified flat rate tech. @ Dreyer & Reinbold Infiniti Jan 2013 – Jan 2016 | Indianapolis, Indiana Moved up company ladder quickly by strong work ethic, and continuous drive. Supervised the work of three to six team members, offering constructive feedback on their work performance. Defined clear targets and objectives and communicated them to other team members. Monitored timelines and flagged potential issues to be addressed. Tested vehicles and their components and systems. Operated equipment such as infrared engine analyzers, compression gauges and computerized diagnostic devices. Reviewed work orders and discussed them with supervisors. ### Sales Representative @ Premiere Auto Sports Jan 2014 – Jan 2016 | Indianapolis, Indiana Preformed inside and outside sales through cold calls and attending public and private events in order to meet new customers and secure new sales. Organized charity events and meets in order to spread public awareness of company and bring new customers in. Handled entire process from customer order to delivery. Retained customer relationship and satisfaction through call backs, and monthly check ins. ## Education ### Automotive Engineering Technology/Technician Ivy Tech Community College Jan 2011 – Jan 2013 ## Contact & Social - LinkedIn: https://linkedin.com/in/james-b-2b6b18144 - GitHub: https://github.com/B0Y3R --- Source: https://flows.cv/jamesb JSON Resume: https://flows.cv/jamesb/resume.json Last updated: 2026-03-22