Sajesh S F
Head of Software Engineering @ AMERICAN SECURITY
About
Seasoned Engineering leader with a quality-driven mindset, passion for data-driven decision making, 7+ years of experience delivering IoT, embedded systems, and enterprise applications, SaaS solutions in industrial, robotics, medical, aerospace, and fintech domains. Proven record of transitioning products from prototype to large-scale deployments, leading cross-functional engineering teams (35+ members), coordinating global engineering teams (US, India, Japan, and China), and ensuring zero-downtime operations across global infrastructure. Skilled in Agile/Scrum leadership, application development, cloud platforms, and real-time embedded/IoT integration. I excel at taking ideas from the conceptual stage to fully realized products. With a keen eye for detail and a deep understanding of all stages of product development, I can create high-quality products that accurately reflect the vision of the client. I am passionate about bringing innovative ideas to life and thrive in fast-paced, collaborative environments.
United States
Los Angeles Metropolitan Area
Electrical & Electronic Manufacturing
Message Queuing Telemetry Transport (MQTT), ESP32, Raspberry Pi, Design for Manufacturing (DFM), Advanced Risc Machine (ARM) , Cross-functional, Team Leadership, Software Development, Software as a Service (SaaS), Application Programming Interfaces (API), Agile Methodologies, Jira, Scrum, Business-to-Business (B2B), User Stories, User Story Development, Documentation, Technical Documentation, Analytical Skills, Problem Solving
Experience

Head of Software Engineering
Los Angeles, California, United States
• Successfully coordinated the development and deployment of the next-gen smart safes. • Manage offshore development teams in India while closely collaborating with the component development team in Korea and the production team in China to ensure seamless integration and delivery. • Ensured zero-downtime operations for the entire infrastructure stack, embedded devices, Android/iOS mobile apps, AWS-hosted microservices, and Windows desktop applications, all while providing real-time field support, live diagnostics, and quick issue resolution, and coordinating directly with stakeholders. • Act as a key liaison between the customers, product team, and developers, translating field insights into actionable feedback and helping align product decisions with real-world needs. • Led resolution of business-critical escalations, ensured security compliance, and supported ongoing system updates and maintenance. • Quickly learned the product domain and contributed to product strategy, enabling more informed and effective decisions from the product team.

Group Head - Embedded Systems
Thiruvananthapuram, Kerala, India
• Partnered closely with senior management and the business team to drive a portfolio revenue of $600K, expanding the group’s footprint. Initiated a new client account that scaled from $0 to $100K within one year. • Led and managed a high-performing team of 35, including project managers, lead engineers, and developers, overseeing the design, development, and delivery of complex embedded systems across 4 active client accounts. • Devised and implemented a project health framework with key metrics to monitor financial performance, delivery velocity, and customer satisfaction, improving transparency and predictability across programs. • Engaged with hardware vendors and design/production teams across multiple cities in India and China, ensuring quality delivery, timely integration, and cost-effective execution. • Successfully delivered critical projects across multiple domains, including IoT, medical imaging, data acquisition, industrial automation, and secure embedded platforms.

Senior Lead
Thiruvananthapuram, Kerala, India
• Architected a sensor board for Mechasense, a next-generation ESP32-based HVAC controller with LTE/Wi-Fi, Raspberry Pi compatibility, and daisy-chained I2C sensor support (50+ sensors), now deployed in hundreds of installations

Lead Engineer
Thiruvananthapuram, Kerala, India
• Led the architecture and development of NiOX2100, a Zynq-7000 SoC-based high-speed data acquisition and control system developed in-house to qualify ISRO’s Solar Array Drive Assembly (SADA). • Designed the system architecture, including a modular 13-slot motherboard that interfaces with pluggable ADC, DAC, and Digital IO cards. • Led a 30+ member cross-functional team across mechanical design, PCB layout, firmware, FPGA, and WPF-based application development • Oversaw and facilitated cross-domain coordination encompassing development, procurement, and manufacturing • Spearheaded the system's 3-month qualification testing phase at the vendor facility, ensuring complete verification and validation for deployment

Senior Engineer
Thiruvananthapuram, Kerala, India
• Led and mentored a team of 3 embedded and application developers, providing hands-on guidance in embedded design, software architecture, design patterns, and tools such as JIRA and Git. • Architected and developed a prototype HVAC monitoring and control system based on the open-source HestiaPi thermostat, integrating multiple environmental sensors over I2C on a custom Raspberry Pi–compatible breakout board. • Designed and built a .NET WPF application with MSSQL backend to manage patient data and imaging workflows for a dental imaging platform. • Developed a DICOM-based image viewing application capable of acquiring scans directly from Ethernet-connected medical scanners. • Created a plugin module for detecting microcalcifications in mammograms using advanced multi-stage image processing techniques. • Collaborated directly with client representatives to gather and refine requirements and worked alongside senior software architects to ensure scalable system design and implementation

Engineer
Kochi, Kerala, India
• Developed the firmware for the NiOX1900, a data acquisition and control system for space applications, deployed to qualify the Scan Mirror Assembly (SMA) and Filter Wheel Assembly (FWA) subsystems for ISRO, India’s leading space agency. • Collaborated with the circuit design team to gain hands-on experience with ADCs, DACs, thermistors, and monoshot timers. • Worked on board bring-up; and resolved hardware–firmware integration issues. • Gained in-depth expertise in SPI, Ethernet, FreeRTOS, and LwIP protocol stack implementation • Integrated FPGA modules into the firmware stack, including custom protocol and data frame design and implementation. • Worked on-site with the client to develop parsers for proprietary digital communication protocols. • Coordinated and executed a 3-month system integration testing phase at the client facility.

Engineering Trainee
Thiruvananthapuram, Kerala, India
• Learned the Qt framework and migrated a legacy internal LAN-based messenger tool to Qt 5, redesigning it with a modern GUI and improved code maintainability. • Built and deployed the application for Windows, Linux, and Ubuntu, achieving cross-platform • Gained hands-on experience with C++ development, cross-compilation, and UI/UX principles for enterprise desktop applications. • Learned and applied development tools including Git, SVN, and JIRA, building knowledge in version control and project tracking.

Industrial Automation Intern
• Developed a proof-of-concept pneumatic actuator system with a closed-loop controller using PLC programming. • Gained practical experience with pneumatic actuators, valves, and industrial sensors. • Learned the fundamentals of hydraulics, pneumatics, and automated system control.
Sajesh S F's Contact Information
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