
ROLES AND RESPONSIBILITIES:
• Articulate complex problems, communicate viable architecture and design approach in a clear and concise manner.
• Thrive in a collaborative team environment and work with ambiguous product requirements.
• Evaluate opensource technologies, development stack and strive for new learning, continued growth by applying industry best practices and processes.
• Provide thought leadership in cloud based VoIP(Voice/WebRTC) services and bring your passion for technology to motivate and inspire on a day to day basis.
SKILLS REQUIRED
• 4+ years experience in building highly available, fault tolerant and scalable real-time communications(Voice and WebRTC) systems in the cloud (AWS preferred).
• Demonstrated history of building complex, high-performance applications in C/C++.
• Proven expertise in network and system performance optimizations(including kernel, containers and virtualization technologies).
• Proficiency in telecom protocols (SIP, SDP and RTP/RTCP) and internet protocols(IPv4/IPv6, TCP and UDP) is desirable.
• Deep understanding of all aspects of WebRTC from audio codecs, to networking (ICE, STUN, TURN) up to server side components needed to deploy the technology at scale (SFU, MCU, Relays) and network security(TLS, SRTP).Strong analytical, problem solving and troubleshooting skills.
• Programming experience with Python, Golang and Lua will be a plus.
• Prior experience working with Asterisk, FreeSWITCH, RTPEngine, Kamailio, or OpenSIPs will be a plus.

About K12 Techno Services
About
K12 Techno Services Pvt. Ltd was incorporated in the year 2010 and with its registered office in Bangalore is a leading education service provider in India, offering a dynamic suite of academic support, services and solutions to schools. The upgraded teaching methodologies, blended with effective use of technology has been the main idea behind the organization i.e. to pave the way for a global approach towards education. With its band of services, facilitate schools to leverage on its strength.
Planning academics and its execution with teachers and resource management are some of the key features of our academic support and services. We provide a combination of digital media supports, including multimedia teaching aids in the form of text, images, audio-visual mode to facilitate a multi-sensory approach to knowledge sharing. We also train and support the teachers throughout the academic year, for effective classroom management practices.
Our range of offerings:
- Orchids The International Schools
- Sparkle Box - Education Kits (Preschool – 10th Grade)
- AOL Online Schools
- Plufo - Online Tuitions (Preschool – 8th Grade)
- Eduvate (ERP – School Management)
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Job Title: Senior Software Engineer (6-Month Contract)
Location: Bengaluru
Experience: 8+ Years
Mandatory Skills:
- C++ and C# programming
- Windows system-level programming
- Strong OOP, data structures, algorithms, and design patterns
Desired Skills:
- Knowledge of security fundamentals (authentication, cryptography)
- Familiarity with networking protocols (TCP/IP, TLS/SSL)
- Experience with REST clients and Windows security mechanisms
Responsibilities:
- Design, develop, and maintain Windows-based applications
- Write clean, efficient code and perform code reviews
- Collaborate with team members and communicate effectively
- Contribute to testing strategies and ensure software quality
- Prepare technical documentation and provide project status updates
Soft Skills:
- Self-driven and proactive
- Strong communication and teamwork skills
Contract Duration: 6 months
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:
- Development of Bluetooth Low Energy (BLE) Firmware for Espressif Bluetooth chips.
- Development of new firmware for BLE latest specification (BLE 5.x, BLE Mesh, etc).
- Development of BLE chip validation and Bluetooth Qualification.
- Research of cutting-edge and challenging Bluetooth technologies (BLE Audio, BLE Direction Finding, Next-Generation BLE Chip, etc).
- Supporting the existing firmware through feature additions, enhancements and maintenance.
- Working with systems team and cross-functional teams to deliver quality software following well-established software development processes.
- Resolving issues as reported by internal test teams as well as customers.
Requirements
Required skills
- Bachlor's degree or above in Electronic Engineering, Communications Engineering, Automation or other related majors
- Familiarity with Bluetooth Low Energy (BLE) protocol or BLE Mesh protocol
- Proven experience in developing BLE stack / firmware (2+ years, both BLE host and controller) or BLE Mesh stack (2+ years)
- Experience with software engineering processes and the full software development lifecycle including requirements, design, implementation, testing, and documenting in Continuous Integration environment
- Strong experience and proficiency in C programming (3+ years) for embedded platforms required
- Excellent problem solving and debugging skills
Bonus point
- Experience in developing BLE profiles and BLE applications (e.g. HID, ANCS, Homekit, etc)
- Good understanding of other networking protocol stacks is highly desired (e.g. Zigbee, IEEE 802.11, UWB, Lora, NB-IoT, etc)
- Strong Real-time systems and software engineering skills required (e.g. FreeRTOS, etc)
- One or more scripting languages (e.g. Python, etc)
- 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.
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,
-
Design and implement software of embedded devices and systems from requirements to production and commercial deployment.
-
Design, develop, code, test and debug system software
-
Review code and design
-
Analyze and enhance efficiency, stability and scalability of system resources
-
Integrate and validate new product designs
-
Support software QA and optimize I/O performance
Mandatory Skills:
-
Experience in C++ based applications development for embedded system applications
-
Solid understanding of OOPs, SOLID Principles, Design Patterns.
-
Drivers/BSP development on peripherals like ADC, SPI, I2C, UART etc
-
Firmware development experience on ARM Series of microcontrollers
-
Strong knowledge of hardware architecture such as ARM, MIPS, and x86.
-
Familiarity with hardware protocols including USB, UART, I2C, and SPI.
-
Familiarity with OS platforms such as Linux, Unix, and RTOS.
-
Knowledge on different communication protocol like Wi-Fi, Zigbee, Bluetooth and sub–GHz.
-
Basic Hardware knowledge and debugging skills
-
Strong analytical and problem-solving abilities.
-
Strong organizational and project management skills.
-
Strong knowledge of SDLC, test cycle and logical thinking on various complex use case call scenarios.
-
The ability to keep abreast with the latest advancements in technology and techniques.
Desired Skills:
-
Knowledge on IoT based systems
-
Preferably worked on a Linux based project.
-
Ability to lead the team & handle the project and own all technical aspects of design and development of systems from scratch.
-
Meticulous and very organized.
-
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.
-
Worked on 3-5 project from starting of project to delivery of project (Depending on experience)
C/C++ Developer
We’re doing things no one has ever done. From developing game-changing technology and solutions to
helping the world’s top brands connect like never before, every day brings new challenges and opportunities
to innovate. We offer the chance to make your mark on something awesome.
What are we looking for?
Strong C/C++ programming and debugging skills in a Linux environment.
Experience with Design Patterns, ACE Framework, and Socket Programming.
Experience in Multi-threaded software development for Multicore Architectures.
Experience in VOIP application development, preferably on client/server platforms.
Understanding of system performance and scaling
Experience in embedded software development
Excellent problem solving/debugging skills design, develop, troubleshoot and debug
Software programs for databases, applications, tools, networks etc.
Requirements:
Bachelor's degree in Computer Science or related field or equivalent experience.
3-6 years of software engineering or related experience.
Location: Bangalore/Hybrid Model
You would be part of:
- Designing/Improvement of new/existing architectures of distributed computing with subcomponents of Unmanned Aerial Systems (UAS).
- Working/Researching with industrial state of the art sensor systems and modules, and developing drivers (HAL or wrapper) and applications around their usage.
- Design and implementation of communication protocols between different subcomponents of UAS for distributed computing.
- Writing Applications and Drivers from the scratch for (embedded)linux based systems.
- Scripting and automations around work flows of UAS usage.
- Working with existing sophisticated software stacks of subcomponents of UASs.
- Working closely with electronics, design and systems teams for architecture development and deployment.
- Working closely with Flight Controller engineers to do collaborative development of UAVs.
We expect you to be:
- Experienced in hands-on development of complex embedded systems involving multiple microcontrollers or SoCs.
- Very good in analytical abilities to be able to do core research and development activities.
- Able to write low level drivers (wrapper or core) from the scratch.
- Very comfortable reading and understanding datasheets and reference manuals of microcontrollers, peripherals, sensors etc.
- Able to understand existing complex embedded software stack written in C/C++.
- Solid in C.
- Good in C++.
- Comfortable with using hardware debuggers.
- Having Hands-On experience with RTOS concepts like scheduling, threads synchronicity , race conditions etc.
- Having Solid understanding of interrupt mechanisms.
- Experienced in working with different hardware protocols like SPI, I2C, UART, PWM, CAN, USB etc.
- Having Solid understanding of interrupts architecture of ARM based microcontrollers like STM32, LPC etc.
- Having Good understanding of the concept of bootloaders.
- Able to multitask.
- A self-motivated and motivating personality who can work well independently as well as part of a team
- Having good interpersonal and soft skills who can adapt to the work environment while manifesting a good positive attitude
You are awesome if you are:
- Experienced in Linux Device Driver development.
- Having good exposure of working on and understanding of any sensor modules like GPS, LIDAR etc.
- Experienced in data filtering techniques (Example: Kalman filter)
- Become a member of the team responsible for IoT hub software development. IoT hub provides IoT functionality (smart home, smart appliance,…) to mobile and web clients and runs on Linux-based host like smart home hub, broadband router, STB, etc.
- Implementation and/or extension of leading wireless/wired protocols (ZigBee, Bluetooth, IP-based,..) for communication with smart devices
- Development of new features for control and monitoring of smart devices and automation of IoT system
- IoT hub software porting on various hosts
- Software optimizations
Position: C++ Developer
Location: Hyderabad
Requirements:
- Strong C++ skills obtained in multiple years of C++ programming experience (at least 3 years)
- Good understanding of embedded system development based on Linux OS
- Knowledge of advanced programming concepts (e.g. Multi-Threading, OS internals, Networking, IPC mechanisms)
- Solid understanding of computer networking (TCP/UDP/MQTT/SSL)
- Solid understanding of Git source code management system
- Troubleshooting skills
- B.Tech/M.Tech/MCA in computer science/ECE/EEE
- Fluent English









