Mainframe developer

About the organization

QFocus AI Pvt. Ltd. (QFAI), a wholly owned subsidiary of QFocus Technologies LLC, is a consulting-led engineering services company with sharp focus on supporting next gen advanced products development across AI/ML, Compute, Communication, Storage and Consumer Electronics. Our mission is to help our customers deliver cutting-edge products on time ensuring world-class quality.

Why Join QFAI? Join a passionate team, dedicated to making a difference.  We are a close-knit team, with a strong mission, vision and values that guide our day-to-day.  Recognition of work, respect, and our multicultural community are key aspects of the employee experience and contribute to our continued success.  Would you like to be part of our story? Don't hesitate, come and join us! 

About this opportunity – Network Stack Developer

Join our team working with an elite customer developing cutting-edge AI training/inference server infrastructure silicon. As a Network Stack Developer, you will be developing L2/L3 Protocol stack for validating AI silicon under development.

Key Responsibilities:

·      Develop, Validate and maintain highspeed L2/L3 protocol stacks over NIC drivers in Linux kernel / User mode and other Host/Device operating systems.

·      Implement and optimize L2/L3 protocols, RDMA, and RoCE for high-performance networking applications.

·      Collaborate with cross-functional teams to develop, test NIC firmware and protocol stack software, Troubleshoot and resolve NIC-related technical issues.

·      Develop and maintain test frameworks for NIC performance and functionality testing.

Required Skills:

·      Proficiency in C, C++, and Python programming languages. 

·      In-depth knowledge of networking protocols, including TCP/IP, IPv4, and IPv6 and their packet formats.

·      Hands-on experience with tools for capturing and analyzing protocol packet exchanges across high-speed interfaces.

·      Understanding of high-performance multi-core CPU/GPU clusters and their high-speed interconnect fabric interfaces such as PCIe and Infiniband.

·      Working familiarity with Host Channel Adapters (HCAs) or bridges that parse, translate and route data from standard NW stacks into fabric-specific transport logic would be an added advantage.

Desirable Skills:

·      Hands on experience developing AI training/Inference application would be valuable.

·      Python scripting for test log analysis and NIC behavior triage.

·      Experience with machine learning and deep learning frameworks and their underlying NW payload transfer.

·      Working experience with latest AI coding copilot-based flows to generate, review, test and release code.

Education:

·      Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field with a focus on computer systems or networking.

Experience:

·      At least 6+ years of experience in L2/L3 stack development, using modern NIC device driver APIs including kernel mode and user mode drivers.

·      Experience working with high-speed cloud data center server stack development

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.

𝐒𝐞𝐧𝐢𝐨𝐫 𝐒𝐭𝐚𝐟𝐟 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 – Android Automotive (AAOS)

𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: 4–10 𝐘𝐞𝐚𝐫𝐬

Mandatory skills: Android Automotive OS (AAOS/AOSP), Android Application Framework, System Services, Binder IPC (AIDL/HIDL), Java, C++, Automotive Infotainment, CAN/Ethernet, ASPICE (preferred)

𝐎𝐓𝐀 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫

𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: 5–10 𝐘𝐞𝐚𝐫𝐬

Mandatory skills: Automotive OTA Framework, C/C++, Embedded Linux, Uptane, FOTA/SOTA, A/B partitioning, Bootloader interaction, Secure OTA (PKI, SSL/TLS), CAN, UDS, DoIP

𝐓𝐞𝐥𝐞𝐦𝐚𝐭𝐢𝐜𝐬 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫

𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: 5–10 𝐘𝐞𝐚𝐫𝐬

Mandatory skills: Telematics/Connected Vehicle platforms, Embedded Linux, C++, 4G/5G, Wi-Fi, Bluetooth, GNSS, Vehicle Data, MQTT, HTTP/HTTPS, LwM2M, CAN, Ethernet, UDS.

FURIOUS FOX is looking for Embedded Developers with strong coding skills in C & C++ as well as experience with Embedded Linux.

Experience : (Minimum 7-10 yrs)

• Experienced in edge processing for connected building / industrial / consumer

appliances / automotive ECU

• Have a good understanding of IoT platforms and architecture

• Deep experience in operating systems eg: Linux, freeRTOS / kernel development/device drivers.

/ sensor drivers

• Have experience with various low-level communication protocols, memory devices, messaging

framework etc.

• Have a deep understanding of design principles, design patterns, container preparations

• Have developed hardware, OS abstraction layers, and sensor handlers services to manage various BSP, os standards

• Have experience with Python edge packages.

• Have a good understanding about IoT databases for edge computing

• Good understanding of connectivity application protocols and connectivity SDK for Wi-Fi and BT / BLE

• Experienced in arm architecture, peripheral devices and hardware board configurations

• Able to set up debuggers, configure build environments, and compilers and optimize code and performance.

Skills / Tools:

• Expert at object-oriented programming

• Modular programming

• C / C++ / JavaScript / Python

• Eclipse framework

• Target deployment techniques

• IoT framework

• Test framework

Highlights :

• Having AI / ML knowledge in applications

• Have worked on wireless protocols

• Ethernet / Wi-Fi / Bluetooth / BLE

• Highly exploratory attitude

• willing to venture in and learn new

technologies.

• Have done passionate projects based on self-interest.

Responsibilities and Duties
The team leader will be leading a team of Hardware engineers, firmware and testing engineers. Being a team leader, you will primarily be responsible for fast and accurate delivery from the team which might even include handholding of team members whenever needed. Embedded team would be responsible for the following:
Hardware Design including

• Circuit design as per design requirements
• Schematic capture in the tool
• CAD layout
• QA/QC/functional testing
• PCB assembling and rework
• Lab inventory management
• Component procurement.

Firmware Design Including

• Firmware Design and architect
• Software Development
• Firmware Testing
• Code management over svn

Other Responsibilities

• The team leader would also be responsible for architecting the system, creating detailed design documents as per requirement and maintaining quality control of all the deliverables.
• The team leader would also be required to create a detailed test plan and list of test cases to be executed and if needed, create proper environment for the same.
• Ownership of the ‘ground up’ design and architecture of embedded software for real time applications.
• Decomposition of designs in to structured modules/functions ready for implementationby yourself and the team.
• Hands on development in C of new ARM based embedded software for a range of products currently under development
• Ensure quality of software using appropriate methods(Code Review, Static Analysis, Unit Test etc.) and application of suitable Coding Standards
• Maintain, update and enhance existing embedded software written in C
• Documentation of software products, development and execution of test plans
• Work closely with other members of the engineering team to assist with the correct choice of processors and supporting hardware

Required Experience, Skills and Qualifications

• Experience of 8+ years in field of embedded systems designing and developement.
• Familiar with usage of various LAB instruments.
• Strong fundamentals of electronics (Digital and analog) are must.
• Well versed with circuit designing and HW debugging
• Analog and Digital Circuit designing: familiarity with micro-controllers, memories, communication interfaces, op-amps, comparators, relays, inductors and capacitors, Handling EMI and Noise issues associated with circuits.
• Understanding of BLE protocols will be required.
• Understanding of scientific methodologies of experimentation, data-gathering and interpretation and hypothesis.
• Understanding of basic architecture, debugging of sensors.
• Experienced in embedded-C coding, memory allocations.
• Experience with any RTOS designing preferably with FreeRTOS at least with Semaphores, SW Timers, synchronisation and event handlings, task handling and prioritization.
• Understanding of micro-controller architecture, programming and debugging methodologies, interrupt-handling.
• Experience with any of the IDEs and debuggers for ARM architecture.
• Basic understanding of assembly programing of ARM architecture
• Understanding of basic peripherals like UART, CAN, I2C, Timers, Counters, PWMs, ADCs, DAC.
• Experience/knowledge in IoT devices (sensor, gateway, cloud) handling.
• Familiarity with CAD tools for schematics and layout generation.
• Experience on MS-Office.
• Familiarity in understanding and creating various test plans and documents.

General Skills Needed/ Requirements:

• Strong knowledge of components and should be able to suggest the team with right componenet
• Candidate must have a knack to use his/her technical knowledge to give it back to society.
• Candidates passionate to bring a change in society will be preferred with no compromise on pay check.
• Candidates must be open to work with communities to get feedback on product features so that products are best fit for social upliftment.
• Candidates must be open to travel to needy communities and should not hesitate to get his/her hands dirty to bring a change to the communities.
• Candidates must find associated with the cause and mission of the company.
• Open to work in open startup culture and give his/her 100%.
• Analytical reasoning and fact-based brainstorming capabilities will be highly preferred.
• Ready to relocate to Gurugram.
• Occasional field visits.

Xfinito is building a portfolio in new product innovation, product contribution and infrastructure goals while providing individuals and teams the freedom to emphasize specific types of work.

Our work focuses on real –world problems that span the breadth of biomedical engineering, embedded systems, computer science, such as machine and deep learning, data mining, natural language processing, hardware and software performance analysis and much more.

JOB ROLE: EMBEDDED SYSTEMS ENGINEER

ROLES AND RESPONSIBILITIES:

• Work with multi-disciplinary engineering team and customer to identify and recommend hardware needs and requirements for project/product.
• Modify or assist in the development of software architecture and design for new products, prototype, or re-design, including sourcing build environments and writing technical support and control documentation.   
• Read Block Diagrams and detail circuit schematics and layout of proposed or existing hardware and assess the software and driver requirements.
• Participates in cross-divisional Edge IoT projects and/or proposals.
• Develop, oversee, and document automated tests for electrical hardware design and products as well as final operating drivers and systems.
• Evaluate and investigate product failures, and recommend repair or design modifications based on specifications, cost, resources, and risks.

REQUIREMENTS:

• Ability to creatively approach challenges and cleverly solve difficult problems.
• Ability to independently identify daily design and customer support tasks, self-start and motivate.
• Ability to manage several projects and prioritize appropriately, with minimal supervision.
• Ability to work in a collaborative team environment as well as independently.
• Ability to learn and work in virtual environments (CAD & Hardware build packages) in-which candidate’s skills are low but persevere and overcome skill gaps autonomously.
• Some experience programming with embedded systems designs and multithreaded real-time operating systems is required.
• Solid programming experience. Preferably in C or C++, .NET, and Java programming languages.

EXPERIENCE:

We as a team are looking for freshers or young professionals with (0-4 years of experience) passion and eagerness to create scalable and optimized software systems and execute complete embedded software development lifecycle.

RESPONSIBILITIES AND QUALIFICATIONS

Responsibilities

+ Design, build and maintain low latency, high-performance electronic trading platform components, with a focus on market data, exchange and client connectivity and risk controls.

+ Deliver continuous optimization for latency, scale and resiliency improvements.

+ Participate in system builds for various markets globally, have curiosity and interest in understanding market microstructure details, work closely with engineering, sales and product teams globally for successful delivery of projects.

+ Basic Qualifications

+ Bachelors or Masters degree in computer science or engineering or equivalent experience

+ 5+ years of professional experience developing deterministic high performance, low latency systems in python/C++ (counted in single digit microseconds)

+ Prior experience with FIX and binary exchange connectivity and market data protocols preferred

+ Strong knowledge of object oriented programming, data structures, algorithms and design patterns

+ Critical path analysis, performance optimization and hardware acceleration.

+ Linux systems programming experience including memory management, concurrent programming infrastructure, and the networking stack

+ Experience developing distributed architecture systems and messaging protocols

+ Strong analytical and problem solving skills

+ Comfortable in a fast-paced environment, self-motivated, results driven and commercially focused

Preferred Qualifications

+ Software development in python/C++ in the context of high performance (low- latency, high-throughput) real-time computing.

+ Familiarity with STL and C++11 language extensions, Boost

+ Network programming (sockets, TCP/UDP/Multicast protocols)

+ Multi-threading, concurrent programming

+ Intimate knowledge of compilers, flow of data at hardware level (memory/ caches, buses) + Some experience with FPGA or other hardware acceleration technologies

+ Experience processing large static datasets as well as high volume ticking data sources

+ Over 3 years' experience in Financial industry (Plus)