5G/LTE Developer

Required Skills:

• 4+ years of experience in embedded software development.
• 2 - 4 years of hands-on experience in C/C++ programming.
• Knowledge of TCP/IP internals and common network protocols such as DHCP, DNS, IPV4/IPV6, NAT
• In-depth knowledge of Layer 2 and Layer 3 protocols (Ethernet, IP, TCP/UDP, MPLS, BGP, OSPF)
• In-depth knowledge of RDK-B architecture, TR-069/TR-181, and networking stacks
• Work on TR-069, TR-181 data models, and DOCSIS / DSL / GPON technologies
• Experience and knowledge on IEEE802.11/Wi-Fi protocols such as WPA, RADIUS, WPS, 802.11n/ac/ax/be, mesh networking

Talented C++ Developer who has experience in design, development, debugging of multi-threaded large scale application with good understanding in data structures on Linux packaging, functional testing and deployment automation very good with problem solving.

Key responsibilities :

1. Understand fundamental design principles and best practices for developing backend servers and web applications
2. Gather requirements, scope functionality, estimate and translate those requirements into solutions
3. Implement and integrate software features as per requirements
4. Deliver across the entire app life cycle
5. Work in a product creation project and/or technology project with implementation or integration responsibilities
6. Improve an existing code base, if required, and ability to read source code to understand data flow and origin
7. Design effective data storage for the task at hand and know how to optimize query performance along the way
8. Follow an agile methodology of development and delivery
9. Strictly adhere to coding standards and internal practices; must be able to conduct review code
10. Mentor and possibly lead junior developers
11. Contribute towards innovation
12. Performance optimization of apps
13. Explain technologies and solutions to technical and non-technical stakeholders
14. Diagnose bugs and other issues in products
15. Continuously discover, evaluate, and implement new technologies to maximize development efficiency

Must have / Good to have:

1. 5-7years' experience with C++ development and relevant 3+yrs in modern version 11/14/17 would be a plus. 
2. Design and implementation of high-availability, and performance applications on Linux environment
3. Advanced knowledge of C/C++, Object Oriented Design, STL
4. Good with multithreading and data structures
5. Develop back-end components to improve responsiveness and overall performance
6. Familiarity with database design, integration with applications and python packaging.
7. Familiarity with front-end technologies (like JavaScript and HTML5), REST API, security considerations
8. Familiarity with functional testing and deployment automation frameworks
9. Experience in development for 3-4 production ready application using C++ as programming language
10. Experience in writing unit test cases including positive and negative test cases
11. Experience of CI/CD pipeline code deployment (Git, SVN, Jenkins or Teamcity)
12. Experience with Agile and DevOps methodology
13. Very good problem-solving skills
14. Experience with Web technologies is a plus. 

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• 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

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.

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.

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.