Sr. Software Developer (IOT)

As a Senior Software Engineer in the IoT domain you will be responsible for developing critical systems keeping in mind.

• Concurrency: You must handle multiple activities concurrently like fetching and sending multiple messages from/to multiple devices at the same time.

• Distributed Operations: You must run on a distributed network of multiple servers in different geographies, coordinating through APIs on a microservices architecture.

• Scalability: You must scale horizontally as the traffic grows and leverage on the multiple CPU cores of the servers to run parallel threads.

• Responsiveness: You must maintain a strict time-frame of <100ms to respond to users and devices, even when the servers are flooded with multiple requests.

• Reliability: You must stay in continuous operation for years without any server downtime or restarts even for system updates through hot-swapping.

Your Roles and Responsibilities

• Design and write programs to improve the availability, scalability, latency, and efficiency of Company’s IoT systems.

• Work with the engineering team to explore and create new design/architectures geared towards scale and performance.

• Work with multiple data ingestion sources and protocols like HTTP, MQTT, CoAP,OPC UA and databases to drive efficient ETL processes for streaming data from IoT sensor devices

• Participate in code and design reviews to maintain our high development standards.

• Engage in service capacity and demand planning, software performance analysis, tuning and optimization.

• Collaborate with product and experience teams to define and prototype feature specifications.

• Work closely with the infrastructure team in building and scaling back-end services as well as performing root cause analysis investigations.

• Design, build, analyze and fix large-scale distributed systems.

Required Software Aptitude and Qualifications 

• 5+ years of overall software engineering experience.

• Programming experience with modern languages such as Ruby/Python/Elixir etc.

• You should have good experience working with relational and non-relational databases. We use Postgres and Cassandra.

• Good to have but not mandatory working experience with caching tools such as Redis, Queue mechanism setup with RabbitMQ.

• Good knowledge of version management with Git.

• Awareness of TDD. 

• CI/CD knowledge would be a huge advantage.

• Will to design and maintain large scale distributed systems.

• Past experience in building complex applications, either by yourself, or as part of a larger team

• Desire (obsessive?) for maintainability.

• Experience of working with cross-functional remote teams in an Agile software development framework.

• Experience in designing APIs with proper documentation.

• Ability to write useful and maintainable tests.

• Good understanding of the common architectural patterns and design principles.

• Solid understanding of how modern web applications work.

• Strong written and verbal communications skills in English to engage a variety of large audiences, internally and externally.

• Strong analytical and reasoning skills.

• Bachelor’s Degree or equivalent in any relevant discipline.

Good to have experience with Elixir

It would be amazing if you have some experience working with Elixir Lang.

• You should be aware of idiomatic programming in Elixir, and should have good awareness of concepts such as pattern matching, recursion, and behaviours.

• You should be well versed with concurrency and processes in Elixir. 

• You should be hands on with Genservers, Tasks, Agents, Supervisors, and other OTP concepts in Elixir.

• Plus points if you have worked with data processing libraries such as Genstage, Flow and Broadway.

Job Type: Full-time/Part-Time/Remote

Work Remotely