Software Developer

Position: Guidance & Navigation Engineer

Experience: 1–3 Years

Location: Bengaluru, Karnataka

Employment Type: Full-time

About the Role

We are seeking a highly motivated Guidance and Navigation Engineer to join our autonomy and avionics team. The role involves developing, implementing, and validating state estimation, navigation, and guidance algorithms for autonomous UAVs operating in both GNSS-available and GNSS-denied environments.

The ideal candidate should have a strong foundation in estimation theory, sensor fusion, and navigation algorithms, along with hands-on experience in implementing these algorithms on embedded or real-time systems.

Key Responsibilities

• Design, develop, and optimise navigation and guidance algorithms for UAVs.
• Develop state estimation algorithms using IMU, GNSS, magnetometer, barometer, cameras, LiDAR, radar, and other onboard sensors.
• Design and implement estimation filters such as: EKF, UKF, Point-mass Filter
• Develop sensor fusion algorithms for robust localisation under degraded or denied GNSS conditions.
• Work on inertial navigation, dead reckoning, visual-inertial odometry (VIO), visual odometry (VO), and multi-sensor navigation systems.
• Develop guidance algorithms for waypoint navigation, path following, trajectory generation, and autonomous mission execution.
• Perform simulation, algorithm validation, and performance analysis using MATLAB/Simulink, Python, or C++.
• Analyse flight logs and sensor data to improve navigation accuracy and system robustness.
• Integrate navigation software with autopilots, embedded processors, and avionics systems.
• Support hardware-in-the-loop (HIL), software-in-the-loop (SIL), and field flight testing.
• Work closely with perception, controls, embedded software, and systems engineering teams.

Required Qualifications

• B.E./B.Tech/M.E./M.Tech in Aerospace Engineering, Robotics, Electronics, Electrical Engineering, Computer Science, Mechatronics, or a related discipline.
• 1–3 years of experience in navigation, estimation, robotics, autonomous systems, or UAV development.
• Strong understanding of: Linear Algebra, Probability and Statistics, Estimation Theory, Kinematics, Coordinate Systems, Control Systems,
• Experience developing estimation filters, especially EKF or UKF.
• Good understanding of IMU error modelling and inertial navigation.
• Experience with Camera, IMU Calibration and Synchronisation
• Experience with multi-sensor fusion.
• Strong programming skills in C++ and Python.
• Experience with MATLAB/Simulink for algorithm development and validation.
• Familiarity with Linux development environments.
• Experience with Git version control.

Preferred Skills

• Experience with Visual-Inertial Odometry (VIO), Visual Odometry (VO), or SLAM with loop closure techniques
• Knowledge of factor graph optimisation (GTSAM, Ceres Solver, g2o, etc.).
• Experience with ROS/ROS2.
• Familiarity with PX4 or ArduPilot.
• Experience working with embedded Linux or ARM-based processors.
• Understanding of UAV flight dynamics and autopilot architectures.
• Experience with flight data analysis and debugging.
• Exposure to airborne software development processes and coding standards (e.g., MISRA C++).

Personal Attributes

• Strong analytical and problem-solving skills.
• Ability to work independently on challenging technical problems.
• Good communication and documentation skills.
• Passion for robotics, autonomous systems, and aerospace technologies.
• Willingness to participate in field trials and flight testing.

This role offers the opportunity to work on cutting-edge UAV autonomy technologies from algorithm development through real-world flight validation.

About us:

Arista Networks was founded to pioneer and deliver software driven cloud networking solutions for large datacenter storage and computing environments. Arista's award-winning platforms, ranging in Ethernet speeds from 10 to 400 gigabits per second, redefine scalability, agility and resilience. Arista has shipped more than 20 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Committed to open standards, Arista is a founding member of the 25/50GbE consortium. Arista Networks products are available worldwide directly and through partners.

About the job

Arista Networks is looking for world-class software engineers to join our Extensible Operating System (EOS) software development team.As a core member of the EOS team, you will be part of a fast-paced,high caliber team-building features to run the world's largest data center networks.Your software will be a key component of Arista's EOS, Arista's unique, Linux-based network operating system that runs on all of Arista's data center networking products.

The EOS team is responsible for all aspects of the development and delivery of software meant to run on the various Arista switches.You will work with your fellow engineers and members of the marketing team to gather and understand the functional and technical requirements for upcoming projects.You will help write functional specifications, design specifications, test plans, and the code to bring all of these to life.You will also work with customers to triage and fix problems in their networks. Internally, you will develop automated tests for your software, monitor the execution of those tests, and triage and fix problems found by your tests.At Arista, you will own your projects from definition to deployment, and you will be responsible for the quality of everything you deliver.

This role demands strong and broad software engineering fundamentals, and a good understanding of networking including capabilities like L2, L3, and fundamentals of commercial switching HW.Your role will not be limited to a single aspect of EOS at Arista, but cover all aspects of EOS.

Responsibilities:

• Write functional specifications and design specifications for features related to forwarding traffic on the internet and cloud data centers.
• Independently implement solutions to small-sized problems in our EOS software, using the C, C++, and python programming languages.
• Write test plan specifications for small-sized features in EOS, and implement automated test programs to execute the cases described in the test plan.
• Debug problems found by our automated test programs and fix the problems.
• Work on a team implementing, testing, and debugging solutions to larger routing protocol problems.
• Work with Customer Support Engineers to analyze problems in customer networks and provide fixes for those problems when needed in the form of new software releases or software patches.
• Work with the System Test Engineers to analyze problems found in their tests and provide fixes for those problems.
• Mentor new and junior engineers to bring them up to speed in Arista’s software development environment.
• Review and contribute to the specifications and implementations written by other team members.
• Help to create a schedule for the implementation and debugging tasks, update that schedule weekly, and report it to the project lead.

Qualifications:

• BS Computer Science/Electrical Engineering/Computer Engineering 3-10 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 5 years experience, Ph.D. in Computer Science/Electrical Engineering/Computer Engineering, or equivalent work experience.
• Knowledge of C, C++, and/or python.
• Knowledge of UNIX or Linux.
• Understanding of L2/L3 networking including at least one of the following areas is desirable:

1. IP routing protocols, such as RIP, OSPF, BGP, IS-IS, or PIM.
2. Layer 2 features such as 802.1d bridging, the 802.1d Spanning Tree Protocol, the 802.1ax Link Aggregation Control Protocol, the 802.1AB Link Layer Discovery Protocol, or RFC 1812 IP routing.

• Ability to utilize, test, and debug packet forwarding engine and a hardware component’s vendor provided software libraries in your solutions.
• Infrastructure functions related to distributed systems such as messaging, signalling, databases, and command line interface techniques.
• Hands on experience in the design and development of ethernet bridging or routing related software or distributed systems software is desirable.
• Hands on experience with enterprise or service provider class Ethernet switch/router system software development, or significant PhD level research in the area of network routing and packet forwarding.
• Applied understanding of software engineering principles.
• Strong problem solving and software troubleshooting skills.
• Ability to design a solution to a small-sized problem, and implement that solution without outside help.Able to work on a small team solving a medium-sized problem with limited oversight.

Resources:

• Arista's Approach to Software with Ken Duda (CTO): https://youtu.be/TU8yNh5JCyw
• Additional information and resources can be found at https://www.arista.com/en/

Strong in Basic C++, STL, Linux

OOPs, Exception Handling

Design Pattern and Solid principles, concepts related to UML representation

•           Solution, design, and architecture concepts

•           Knowledge on Pointers and smart Pointers.

•           IO streams, Files and Streams and Lambda Expressions in C++ added advantage.

•           Features of C++17 and usage of STL in C++ is added advantage.

•           Templates in C++.

Communication skill, Attitude, learnability

* Experience in C/C++ and have strong experience embedded application development and integration in Linux

* Good in creating unit tests, performing code reviews, optimizing performance and ensuring standards for maintainability  

* Debugging, profiling, and performance optimization skills

Job Title: Project Associate - Mixed Signal Design Profile
Industry: Wireless communication, 5G
Organization: 5G TestBed-IIT Hyderabad- Hyderabad

Job Description
Work Profile:
· Work on development of custom Analog circuit boards for applications related to RF, interfaces etc.
· Implement new features and bug fixes
· Verify analog/mixed-signal integrated circuits
· Develop test cases to verify new features and bug fixes
· Review and update the user manuals for software tools.
· Supporting digital modelling of analog circuits for mixed-signal verification
· Creating design specifications and circuit schematics
· Work both independently and in a team environment, with the opportunity to provide technical leadership to other members of the engineering team
· Create and/or modify specification documents detailing system design and enhancements to meet marketing requirements
· Collaborate with others in the creation of technical reports, whitepapers, and user documentation

Requisites:
· EE/EEE/ECE graduate, undergraduate degree from reputed Tier 1 or Tier 2 colleges .
· Strong knowledge of analog integrated circuit design fundamentals
· Proven experience taking designs from concept to production
· Experience in analog/mixed-signal IC design & verification
· Understanding of BJT, CMOS and Op-Amp technologies.
· Good understanding of analog/mixed-signal design flows (Cadence, Synopsys)
· Transistor and system level simulation skills
· Discrete time and continuous time signal processing skills
· Strong lab and silicon validation skills
· Verilog based digital design and test bench development, is a plus
· Strong communication skills, both written and verbal
About us:
For more details please visit: http://5g.iith.ac.in/
IIT Hyderabad in collaboration with top Indian institutes including IITM, CEWiT, IITD, IITK, IISC and SAMEER is building the largest 5G testbed of the country, with the support of Department of Telecommunications (DoT) Govt. of India. This project will create a 5G prototype and testing platform that will be developed under the guidance of IIT-H faculty.
The project will deliver an end-to-end 5G testbed comprising 5G BS and UE nodes that support enhanced mobile broadband (eMBB), Ultra low latency communication (URLLC), and massive MTC including NB IoT services. The operating frequently includes both sub 6 GHz and mmwave frequencies. The system will exceed IMT 2020 5G performance requirements including Low Mobility Large Cell (i.e.., LMLC) targets introduced by India at ITU.
The 'Indigenous 5G Testbed' project is a long-term effort with a team of 100+ researchers/engineers based out of IIT-H campus.