Built an app for tracking sales pipelines and streamlining lead targeting and marketing efforts.
Hire Firmware Engineers
Simplify Embedded Development with Our Experienced Team
Hire firmware engineers who can support your product from architecture planning to production-ready embedded software. Our team builds reliable firmware for real-time control, hardware integration, and long-term maintenance.
Firmware Development Consultation
Get strategic guidance on firmware development. Our firmware consultants help you with MCU/ MPU selection, RTOS evaluation, memory map planning, peripheral interface strategy, and power analysis. We assess your product requirements and define the firmware architecture, toolchain, and development milestones to support validation, certification, and launch.
End-to-End Firmware Development Services
Build complete firmware solutions from board bring-up to production release using C/C++ on ARM Cortex-M, RISC-V, and legacy MCU platforms. Our firmware engineers handle bootloader development, peripheral drivers, interrupt handling, and application-level firmware. We manage delivery through structured build-and-release DevOps and CI/CD pipelines. This holistic approach reduces hardware-software integration risks and accelerates your time-to-market.
RTOS-Based Firmware Development
Develop real-time firmware using FreeRTOS, Zephyr RTOS, Azure RTOS (ThreadX), or NuttX. Hire firmware engineers to implement deterministic task scheduling, queues, semaphores, mutexes, and priority-based preemption. We architect multi-threaded embedded applications for time-critical operations in motor control, sensor fusion, and communication subsystems. By leveraging these real-time architectures, we provide the high degree of predictability and system reliability required for applications where timing accuracy is non-negotiable.
API Development and Hardware-Software Integration
Build clean abstraction layers and APIs for communication between firmware and host applications, cloud platforms, or companion mobile apps. Our firmware software engineer(s) implement protocol stacks for BLE, Wi-Fi (ESP-IDF), Zigbee, Thread, MQTT, and Modbus. Additionally, we develop integrated API and middleware solutions for bridging firmware data to REST/GraphQL-based backend services, reducing interoperability bottlenecks.
Firmware Upgrade and Legacy Migration
Modernize legacy firmware by migrating it from outdated MCUs (PIC, AVR, 8051) to modern ARM Cortex-M or RISC-V platforms. This move empowers your firmware and middleware layers with updated peripheral drivers, optimized memory layouts, and improved power management. You can also hire firmware engineers to refactor monolithic firmware into modular, testable architectures while preserving functional parity and meeting backward-compatibility constraints.
Firmware QA Testing and Automation
“Implement structured, AI-enabled QA and testing for firmware, including unit testing with Unity/Ceedling, hardware-in-the-loop (HIL) validation, JTAG/SWD-based debugging, protocol analyzers, and automated regression suites. Hire firmware developers to integrate firmware test workflows into CI/CD pipelines using Jenkins or GitHub Actions with emulator-based and on-target test execution.
Secure Firmware and OTA Update Systems
Build secure firmware lifecycles with cryptographic signing, secure boot validation, encrypted over-the-air (OTA) updates, rollback protection, and A/B partitioning. Our firmware engineers implement device identity management, certificate provisioning, and secure key storage using hardware security modules (HSMs) and Trusted Platform Modules (TPMs). By establishing a silicon-based Root of Trust, we protect intellectual property and ensure only authenticated code executes on your hardware.
Firmware Performance and Power Optimization
Optimize firmware for power-constrained devices using low-power sleep modes, peripheral clock gating, DMA-based data transfers, and interrupt-driven architectures. Hire firmware developer(s) to profile execution timing with logic analyzers and oscilloscopes, optimize ISR latency, and reduce memory footprint through linker script tuning. Our team also provides energy-harvesting support for battery-free designs. By minimizing active-state duty cycles, we extend battery life for remote deployments and ensure peak performance within strict thermal constraints.
Firmware Ongoing Maintenance and Technical Support
Maintain production firmware with ongoing maintenance and dedicated technical support. Our firmware engineers troubleshoot crashes, memory faults, timing issues, and communication failures using JTAG/SWD debuggers, trace tools, and regression testing workflows. This helps improve device reliability, reduce downtime, and keep firmware stable across its lifecycle.
Managed Talent. Engineered for Accountability.
Dedicated Full-Time Engineers
FTEs only No freelancers or gig marketplace.
Experienced Talent
Vetted Experts Rapid Deployment
Managed Operations
Senior oversight Time & Task Monitoring
Workflow-Ready Integration
Jira Slack GitHub Teams
Global Overlap
All Time Zones 24/7 Support
Security
ISO 27001 & CMMI3 NDA & IP Secure
Send an Inquiry
Your Vision, Our Expertise
Building Mission-Critical Firmware Solutions
Partner with embedded firmware engineer(s) who understand hardware at the register level. From sensor nodes to safety-critical controllers, we deliver code that runs reliably for years.
Contact Us
Hire Firmware Engineers
One Codebase for Every Hardware Platform
Our embedded firmware developer(s) work across a wide range of processor architectures, communication protocols, and deployment environments. Whether you are building a battery-powered wearable or an industrial edge gateway, we deliver firmware optimized for your specific hardware and operational requirements.
ARM Cortex-M
- MCU Expertise: Develop firmware for Cortex-M0/M3/M4/M7/M33 with vendor SDKs and CMSIS-compliant drivers.
- Low-Power Design: Implement multi-level sleep modes, RTC wake-up, and peripheral duty cycling for battery-operated products targeting years of field life.
- Connectivity: Build BLE, Wi-Fi, LoRa, and cellular communication stacks using Nordic, ESP32, and Quectel modules.
RISC-V and Open-Source Silicon
- Emerging Architectures: Develop firmware for RISC-V MCUs using GCC-based toolchains and vendor HALs.
- Custom Extensions: Leverage RISC-V's extensibility for application-specific instruction set customization in signal processing and edge AI workloads.
- Open Ecosystem: Build on open-source RTOSes and debug tooling for vendor-independent firmware portability.
Linux-Based Embedded Systems
- Custom Linux BSPs: Build board support packages for ARM Cortex-A and x86 SoCs using Yocto Project, Buildroot, or vendor-specific distributions.
- Kernel and Driver Development: Write and maintain custom Linux kernel modules, device tree configurations, and userspace drivers for proprietary hardware.
- System Integration: Configure boot sequences (U-Boot), root filesystem packaging, OTA update frameworks (Mender, SWUpdate), and system service management with systemd.
IoT and Edge Platforms
- Cloud Connectivity: Integrate firmware with AWS IoT Core, Azure IoT Hub, and Google Cloud IoT using MQTT, AMQP, and device shadow/twin patterns.
- Edge Processing: Implement on-device inference using TensorFlow Lite Micro, Edge Impulse, or custom DSP pipelines for real-time sensor data classification.
- Device Management: Build fleet provisioning, remote configuration, telemetry pipelines, and diagnostic logging for large-scale IoT deployments.
AUTOSAR (AUTomotive Open System ARchitecture)
- Functional Safety: Develop firmware compliant with IEC 61508, ISO 26262, and DO-178C using MISRA C coding standards, static analysis, and formal verification.
- AUTOSAR Support: Build AUTOSAR Classic and Adaptive platform components for ECU firmware, including RTE configuration, BSW modules, and diagnostic stacks (UDS/OBD-II).
- Industrial Protocols: Implement EtherCAT, PROFINET, CANopen, and Modbus TCP/RTU stacks for PLC communication, motion control, and factory automation systems.
Tech Stack
Technologies Used by Our Firmware Software Engineer(s)
- Languages C C++ (C11/C++17) Assembly (ARM, RISC-V) Python (scripting/test)
- RTOS Platforms FreeRTOS Zephyr RTOS Azure RTOS (ThreadX) NuttX Micrium
- MCU/MPU Families ARM Cortex-M (STM32, NXP, Nordic, TI) RISC-V (ESP32-C, SiFive) AVR PIC
- Debug and Test JTAG/SWD SEGGER J-Link OpenOCD Logic Analyzers Unity/Ceedling HIL
- Build and CI/CD CMake Make GCC ARM IAR Keil Jenkins GitHub Actions
- Security Secure Boot OTA Signing TLS/DTLS TPM HSM AES/ECC Crypto Libraries
Frequently Asked Questions
Hire Firmware Engineers: FAQs
The cost depends on the firmware development company and factors such as project complexity, MCU/MPU platform, compliance requirements, team size, and engagement model. Contact us at info@suntecindia.com with your project requirements, and our team will share a detailed cost estimate within a few business days.
We offer three flexible engagement models:
- Dedicated Teams
- Project-Based Hires
- Time & Materials
All models include senior oversight, time and task tracking via transparent dashboards, and seamless workflow integration. This gives you the accountability of an in-house team with the flexibility of outsourcing.
Our firmware development agency offers a risk-free trial period so you can evaluate the performance before committing to a long-term engagement. If the assigned Firmware engineer does not meet your expectations, we provide a replacement from our bench of pre-vetted embedded engineers at no additional cost. Our delivery managers actively monitor project progress and code quality to ensure alignment with your technical requirements throughout the engagement.
Our firmware engineers work in time zones that overlap with your business hours, whether you are based in the US, UK, Europe, Australia, or the Middle East. We use collaboration tools such as Slack, Microsoft Teams, Jira, and Zoom for daily standups, sprint planning, and real-time communication.
Yes. Our engagement models are designed for flexibility. If your project scope expands, if you are preparing for regulatory certification, or if production timelines tighten, we can onboard additional pre-vetted firmware engineers within a few business days.
We maintain comprehensive project documentation, version-controlled repositories, hardware interface specifications, and structured knowledge transfer processes so that no single engineer becomes a bottleneck. If an engineer transition occurs, we assign a qualified replacement from our internal team and ensure a smooth handover with minimal impact on project timelines.