Software Engineer(Layer 2/Layer 3)
at It offers user-friendly fiber speed equipment.
Software Engineer(Layer 2/Layer 3)
Location : Gurgaon (WFH currently)
Experience/ Skills Required : 5 to 10 years
To be successful in this role you should be well versed with the concepts of networking and comfortable in C programming in a linux environment for embedded software. As we use Linux, experience with this operating system is a mandatory requirement, knowledge and experience on OpenWrt is a bonus. Working experience with router software development for layer 3 and layer 4 features.
Domain knowledge required: IPv4, TCP/UDP, IPv6, NAT, Firewall (iptables), DHCPv4, DHCPv6, IPv6 prefix delegation, Port forwarding, Source based routing, Policy based routing, L3 QoS, IGMP proxy, IPv6 MLD snooping, DNS, DNS proxy. Knowledge on VoIP is a bonus.
Management methods: TR069, SNMPv2, CLI.
Operating system: Linux, OpenWrt
Programming languages: C(must have), Python
Working for us means having a healthy interest in Software but most of all, you like to work in a team. You like to take initiative and have the “just do it” approach. Having the right mentality and attitude are more important for us than a degree. Dedication, investigation and responsibility are keywords for us. Preferred years of experience in industry/technology: 5-10 years.
Role:
As a Software Engineer you develop new software features and solutions for our fibre connectivity product portfolio. The position offers a wide range of possibilities to work with everything from low-level Linux drivers to high-level applications. You develop for various protocols and HW interfaces, often in complex network scenarios in combination with customer specific requirements. The team is responsible for all SW development for existing and new Home Gateways. This means development of Linux drivers, network functionality, remote Management (TR-069) and VoIP application (sipapp). The development is mainly done in C and in Linux environment, knowledge in Python is an add-on. Products and development are realized in Agile.

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Responsibilities :
1. RTOS based multithreaded software development
2. Building future ready, scalable software architectures
3. Liasing with hardware team to decide project requirements
4. Realtime IoT functionality development on ESP32 platform
5. Integration of third party services for cloud based communications and computation
6. Maintaining and documenting software via git (GitLab)
7. Coordinating releases, setup and maintenance of CI/CD pipelines
8. Managing AWS based backend services, integration with AWS services such as S3,
Sagemaker
9. Firmware security, Flash encryption, Bootloader encryption, secure communications
10. Deep integration with hardware team - stress testing hardware
11. Development of device drivers
12. Software testing and maintenance
Recommended experience :
1. Good command over Linux
2. Familiarity with real time tasks and timing sensitive system design
3. Familiarity with BLE/Wifi/etc IoT communication protocols
4. Familiarity with major third party platforms for cloud and ML/AI integration
5. Testing actual physical outcomes of programmed solutions
6. Deep familiarity with ESP-IDF
Location : IIT Bombay, Mumbai
Working mechanism : In-person
Compensation range : 4-12 lpa + ESOPs
About Apexon:
Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. For over 17 years, Apexon has been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Our reputation is built on a comprehensive suite of engineering services, a dedication to solving our clients’ toughest technology problems, and a commitment to continuous improvement. We focus on three broad areas of digital services: User Experience (UI/UX, Commerce); Engineering (QE/Automation, Cloud, Product/Platform); and Data (Foundation, Analytics, and AI/ML), and have deep expertise in BFSI, healthcare, and life sciences.
Apexon is backed by Goldman Sachs Asset Management and Everstone Capital.
To know more about us please visit: https://www.apexon.com/" target="_blank">https://www.apexon.com/
Desired Candidate profile:
- 5+ years of Embedded/Linux SW Development relevant Experience in Embedded C++.
- Expert knowledge in writing software for embedded Systems (Embedded C++ language).
- Experience on OTA would be an added advantage
- Work experience in software development on bare metal, RTOS or Internal Linux.
- Work experience in developing firmware for 8/16/32 bit microcontrollers (ARM, RISC etc)
- Good understanding w.r.t usage of 1. RTOS like MQX.
- Bootloader and software update concepts.
- Communication protocols like TCP/IP,MQTT.
- Socket programming in Linux environment.
- Good knowledge on protocols like (RS485, SPI, I2C, ADCs, CAN, LIN)
- Knowledge of Blue-tooth communication protocols for BLE 4.2/5.1.
- Proficient in the use of embedded SW Development tool chain (Flash/ debug tool chain, IDE).
- Version Control Systems –GIT
- Should have detailed knowledge on microcontrollers/microprocessors
- Experience in scripting languages like Shell / CAPL / Make/Python etc.
- Experience in using tools like Logiscope / Function Generator / Oscilloscope, etc.
- Good knowledge in reading schematics and datasheets.
- Excellent analytical skills and problem-solving skills.
- Strong communication and interpersonal skills.
- Must be a self-starter.
- Ability to work as part of a dedicated project team and independently
We are searching for a talented embedded developer to join our team. You will be working along-side with other engineers and developers working on different layers of the infrastructure. Therefore, commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.
The candidate should be proficient in C and C++ and possess detailed knowledge of microcontroller protocols. The candidate would be responsible for,
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Design and implement software of embedded devices and systems from requirements to production and commercial deployment.
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Design, develop, code, test and debug system software
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Review code and design
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Analyze and enhance efficiency, stability and scalability of system resources
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Integrate and validate new product designs
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Support software QA and optimize I/O performance
Mandatory Skills:
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Experience in C++ based applications development for embedded system applications
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Solid understanding of OOPs, SOLID Principles, Design Patterns.
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Drivers/BSP development on peripherals like ADC, SPI, I2C, UART etc
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Firmware development experience on ARM Series of microcontrollers
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Strong knowledge of hardware architecture such as ARM, MIPS, and x86.
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Familiarity with hardware protocols including USB, UART, I2C, and SPI.
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Familiarity with OS platforms such as Linux, Unix, and RTOS.
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Knowledge on different communication protocol like Wi-Fi, Zigbee, Bluetooth and sub–GHz.
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Basic Hardware knowledge and debugging skills
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Strong analytical and problem-solving abilities.
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Strong organizational and project management skills.
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Strong knowledge of SDLC, test cycle and logical thinking on various complex use case call scenarios.
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The ability to keep abreast with the latest advancements in technology and techniques.
Desired Skills:
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Knowledge on IoT based systems
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Preferably worked on a Linux based project.
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Ability to lead the team & handle the project and own all technical aspects of design and development of systems from scratch.
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Meticulous and very organized.
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You will not hesitate to ask questions and call upon the knowledge of your coworkers to make sure you produce the best possible documentation for our customers.
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Worked on 3-5 project from starting of project to delivery of project (Depending on experience)
Strong programming (Java, C/C++) and troubleshooting skill
Experience on Android telephony, connectivity framework
RIL
Familiarity and support of PTCRB/GCF certification process.
Knowledge a cellular test equipment and network IOT
IMS/Volte/SMS over IMS/Video calling and SIP signaling – Desired
Knowledge of QUALCOMM tools, QXDM, QRCT, ER & Analysis of logs.
Preferred - knowledge on 3GPP specs and GSM/GPRS/EGPRS/WCDMA/UMTS/LTE/TD-SCDMA standards
Preferred - Android apps (Calling, messaging, Sim toolkitJob Area Engineering - Software
Location Remote
Job Description
This position is ideal for a Senior SW engineer who is passionate about solving challenging business problems and building security services that provide an excellent client experience. You will be an integral part of the vulnerability assessment product development team focusing on designing, coding, and testing new and enhanced security services for z/Linux. The successful candidate should be a self-motivated individual with expert software engineering skills and solid expertise with IBM mainframe technologies. Candidate must be flexible and willing to switch tasks based on team's needs.
Qualifications
Basic Qualifications
- Bachelor's degree in Engineering, Information Systems, Computer Science, or related field.
- 1+ years experience with Programming Language such as C, C++, Java, Python, etc.
- Linux kernel and device driver development
- Experience with development boards such as DragonBoard
- Experience with python, perl, rust, shell scripting
- C programming and debugging skills
Preferred Qualifications
- CPU and cache architectures
- Experience with JTAG and GDB debuggers
- Linux Kernel upstream patch submission
- CPU performance and power analysis
- Independent and self-motivated problem solver and strategic thinker
- Proficient in Git for development and patch/branch management
Essential Functions
- Good planning, time management, decision-making, presentation, and organization skills
- Effective written and verbal communication
- Excellent interpersonal and teamwork skills










