Senior Software Engineer

We are seeking a high-caliber Firmware Lead to join our Engineering team at Gradera. In this role, you will be the technical anchor for the firmware squad, responsible for translating high-level architectural visions into robust, executable low-level designs (LLD). You will lead the design and development of firmware solutions on NXP-based hardware platforms, ensuring seamless real-time data acquisition and integration with cloud-based Machine Learning (ML) platforms. We are looking for a seasoned expert who can work independently without any supervision, taking full ownership of the firmware lifecycle from hardware abstraction to cloud-edge synchronization.

Our Core Tech Stack

Embedded & OS

• NXP SoCs/MCUs: i.MX, LPC, and Kinetis series.
• Yocto Project: Custom layers, recipes, BitBake, and kernel configuration for Linux.
• RTOS Platforms: Deterministic performance, task scheduling, and interrupt handling.

Development & Integration

• Languages: Mandatory proficiency in C/C++ and C# (.NET on embedded targets/IoT).
• Communication: MQTT, WebSockets, CAN, UART, SPI, and I2C.
• Cloud & ML: Azure IoT Hub, AWS IoT Core, and data streaming via Kafka or Kinesis.

Infrastructure & Security

• Security: Secure boot, encryption, and device authentication.
• DevOps: Containerization (Docker) and CI/CD for firmware.

Key Responsibilities

• Architectural Ownership: Convert high-level blueprints into detailed technical designs for NXP-based systems, ensuring optimal performance across hardware and software layers.
• Autonomous Execution: Lead the end-to-end development of firmware modules, making critical technical decisions and resolving complex blockers without supervision.
• ML Pipeline Leadership: Collaborate with Data Engineering and ML teams to architect streaming and batch ingestion pipelines, ensuring data is correctly structured for ML training.
• Cloud-Edge Synchronization: Design secure and reliable transmission protocols for device-to-cloud communication, focusing on edge-to-cloud integration.
• Standards Enforcement: Act as the guardian of engineering excellence, implementing security best practices (secure boot, TLS) and ensuring high code quality.
• Technical Mentoring: Act as a technical beacon for the squad, conducting rigorous code reviews and mentoring senior engineers in Yocto Linux and RTOS concepts.
• Strategic Troubleshooting: Lead the debugging of critical firmware issues across hardware and software layers, including OTA update implementations.

Preferred Qualifications

• 8 to 10 years of professional experience in embedded firmware development.
• Proven ability to work independently and lead technical squads in a fast-paced environment.
• Expert-level mastery of the Yocto Project and RTOS constraints.
• Deep proficiency in C/C++ and C# for embedded systems.
• Demonstrated track record of delivering low-level designs for edge-to-cloud ML systems.

Highly Desirable

• Industry Experience: Exposure to industrial domains such as Manufacturing, Logistics, or Transportation is highly regarded.
• Experience with Edge AI / TinyML and industrial protocols (Modbus, OPC-UA).
• Knowledge of Cybersecurity standards for secure device provisioning.

Required Skills: Advanced Hardware Board Design Expertise, Signal Integrity, EMI/EMC & Design Analysis, Board Bring-Up & Troubleshooting, EDA Tools & Technical Documentation, Cross-Functional & Supply Chain Coordination

Criteria:

• Education: B.Tech / M.Tech in ECE / CSE / IT
• Experience: 10–12 years in hardware board design, system hardware engineering, and full product deployment cycles
• Proven expertise in digital, analog, and power electronic circuit analysis & design
• Strong hands-on experience designing boards with SoCs, FPGAs, CPLDs, and MPSoC architectures
• Deep understanding of signal integrity, EMI/EMC, and high-speed design considerations
• Must have successfully completed at least two hardware product development cycles from high-level design to final deployment
• Ability to independently handle schematic design, design analysis (DC drop, SI), and cross-team design reviews
• Experience in sourcing & procurement of electronic components, PCBs, and mechanical parts for embedded/IoT/industrial hardware
• Strong experience in board bring-up, debugging, issue investigation, and cross-functional triage with firmware/software teams
• Expertise in hardware validation, test planning, test execution, equipment selection, debugging, and report preparation
• Proficiency in Cadence Allegro or Altium EDA tools (mandatory)
• Experience coordinating with layout, mechanical, SI, EMC, manufacturing, and supply chain teams
• Strong understanding of manufacturing services, production pricing models, supply chain, and logistics for electronics/electromechanical components

Description

REQUIRED SKILLS:

• Extensive experience in hardware board designs and towards multiple product field deployment cycle.

• Strong foundation and expertise in analyzing digital, Analog and power electronic circuits.

• Proficient with SoC, FPGAs, CPLD and MPSOC architecture-based board designs.

• Knowledgeable in signal integrity, EMI/EMC concepts for digital and power electronics.

• Completed at least two project from high-level design to final product level deployment.

• Capable of independently managing product’s schematic, design analysis DC Drop, Singal Integrity, and coordinating reviews with peer of layout, mechanical, SI, and EMC teams.

• Sourcing and procurement of electronic components, PCBs, and mechanical parts for cutting-edge IoT, embedded, and industrial product development.

• Experienced in board bring-up, issue investigation, and triage in collaboration with firmware and software teams.

• Skilled in preparing hardware design documentation, validation test planning, identify necessary test equipment, test development, execution, debugging, and report preparation.

• Effective communication and interpersonal skills for collaborative work with cross-functional teams, including post-silicon bench validation, BIOS, and driver development/QA.

• Hands-on experience with Cadence Allegro/Altium EDA tools is essential.

• Familiarity with programming and scripting languages like Python and Perl, and experience in test automation is advantageous.

• Should have excellent exposure with coordination of Manufacturing Services, pricing model for production value supply chain & Logistics in electronics and electromechanical components domain.

Education Requirements: 

B. Tech / M. Tech (ECE/ CSE/ IT)

Experience - 10 to 12 Years

Senior BLE Firmware Software Engineer

About Company

https://espressif.com/">Espressif Systems (688018) is a public multinational, fabless semiconductor company established in 2008, with headquarters in Shanghai and offices in Greater China, India and Europe. We have a passionate team of engineers and scientists from all over the world, focused on developing cutting-edge WiFi-and-Bluetooth, low-power IoT solutions. We have created the popular ESP8266 and ESP32 series of chips, modules and development boards. By leveraging wireless computing, we provide green, versatile and cost-effective chipsets. We have always been committed to offering IoT solutions that are secure, robust and power-efficient. By open-sourcing our technology, we aim to enable developers to use Espressif’s technology globally and build smart connected devices. In July 2019, Espressif made its Initial Public Offering on the Sci-Tech Innovation Board (STAR) of the Shanghai Stock Exchange (SSE).

Espressif has opened a Technology Center in Pune (Baner), India, which will focus on embedded software engineering and IoT solutions development for our growing customers.

About the Role

Espressif is looking for Embedded Software Engineers to join the software department located in India. You will work in a diverse team where your colleagues are from Czech, Russia, India, Australia and so forth. Here, you get a chance to be a member of the core team in Espressif and work with talented engineers from all over the world.

The BLE Firmware Development Team is now focused on the development of the Bluetooth 5.x standard and BLE Mesh standard.

BLE FW Team is looking for a self-starting, high-technical, energetic individual with keen attention to details. The Candidate will be actively involved in:

1. Development of Bluetooth Low Energy (BLE) Firmware for Espressif Bluetooth chips.
2. Development of new firmware for BLE latest specification (BLE 5.x, BLE Mesh, etc).
3. Development of BLE chip validation and Bluetooth Qualification.
4. Research of cutting-edge and challenging Bluetooth technologies (BLE Audio, BLE Direction Finding, Next-Generation BLE Chip, etc).
5. Supporting the existing firmware through feature additions, enhancements and maintenance.
6. Working with systems team and cross-functional teams to deliver quality software following well-established software development processes.
7. Resolving issues as reported by internal test teams as well as customers.

Requirements

Required skills

1. Bachlor's degree or above in Electronic Engineering, Communications Engineering, Automation or other related majors
2. Familiarity with Bluetooth Low Energy (BLE) protocol or BLE Mesh protocol
3. Proven experience in developing BLE stack / firmware (2+ years, both BLE host and controller) or BLE Mesh stack (2+ years)
4. Experience with software engineering processes and the full software development lifecycle including requirements, design, implementation, testing, and documenting in Continuous Integration environment
5. Strong experience and proficiency in C programming (3+ years) for embedded platforms required
6. Excellent problem solving and debugging skills

Bonus point

1. Experience in developing BLE profiles and BLE applications (e.g. HID, ANCS, Homekit, etc)
2. Good understanding of other networking protocol stacks is highly desired (e.g. Zigbee, IEEE 802.11, UWB, Lora, NB-IoT, etc)
3. Strong Real-time systems and software engineering skills required (e.g. FreeRTOS, etc)
4. One or more scripting languages (e.g. Python, etc)
5. Experience with variety of software productivity tools (e.g. Git, Jira, etc)

What to expect from our interview process

• The first step is to email your resume or apply to the relevant open position, along with a sample of something you have worked on such as a public GitHub repo or side project etc.
• Next, post shortlisting your profile recruiter will get in touch with you via a mechanism that works for you e.g. via email, phone. This will be a short chat to learn more about your background and interests, to share more about the job and Espressif, and to answer any initial questions you have.
• Successful candidates will then be invited for 2 to 3 rounds of technical interview as per previous round feedback.
• Finally, Successful candidates will have interview with HR.

What you offer us

• Ability to provide technical solutions, support that fosters collaboration and innovation.
• Ability to balance a variety of technical needs and priorities according to Espressif’s growing needs.

What we offer

• An open minded, collaboration culture of enthusiastic technologist.
• Competitive salary
• 100% company paid medical/dental/vision/life coverage
• Frequent trainings by experienced colleagues and chances to take international trips, attend exhibitions, technical meetups and seminars.

What will you do?

• Oversees testing, deployment & maintenance of the Voice infrastructure.
• Performing a variety of tasks associated with user provisioning and call routing within the assigned platform 
• Build loaders for internal systems ensuring tasks are completed accurately and in a timely manner
• Participate in meetings with clients and internal departments to understand the requirements of call routing
• Document and design call flow diagrams to ensure that all call variables have been accounted for in preparing a routing plan
• Support the clients solution by correcting any issues with call routing or provisioning during the initial implementation phase, constantly communicating status of any issues with client
• Complete testing to ensure that call flow is operating properly
• Monitors and ensures compliance to standards, policies, and procedures

What are we looking for?

• 0.6~2 year’s implementation experience in Asterisk PBX, IP Telephony, SIP.
• Able to thrive in a demanding and team-oriented environment
• Basic and strong knowledge of the Linux operating system.
• Knowledge of bash and perl shell scripting is an added advantage.
• RHCE Certification is an added advantage.

● Write Effective Codes In C++, Develop Software For Embedded Systems Based On STM32, NRF
● Support And Improve Existing Software
● Prepare Documentation For The Created Software. Qualifications
● Confident Knowledge Of C++ 17, Object-Oriented Programming, Embedded Software Development
● Proficiency With Microcontrollers Of The STM32 And / Or NRF Series
● Experience With RTOS
● Familiarity With Git, Linux
● Technical English
● Knowledge Of Python As An Advantage
● Any Experience With UAS \ UAV \ Drones is much appreciated

Position Title: Embedded Software Developer (Linux Driver Development)

Experience: 4 - 10 Years

Mode of Hire: Permanent, Deployed at Client Location.

Work Location: Hyderabad

Notice Period: Max. 20 - 30 Days (Early Joiners will be preferable).

What we are looking for?

Must Have:

• Should have strong proficiency in C, C++ and Embedded Systems (embedded C)
• Should have 4+ years of experience in Linux Driver Development, Application development
• Excellent debugging skills at kernel and user space and exposure to different debugging tools
• High level understanding of ARM & RISC (Instructions) OR MB Processor and Assembly Programming

Good to Have:

• Any Driver development exposure in Multimedia, Exposure to any one of the Linux Kernel Framework (Display, Camera Drivers, HDMI, GPU, MIPI, DRM framework, V4L2, etc.)