Backend Developer

Job Description

Designation: Software Development Engineer-II

Location: Noida Sector 125

Do you want to be a part of enabling the next wave of innovation in communication protocols, building sensors and

cutting-edge hardware?

Does working with IoT devices, sensors, wearables, controllers which can seamlessly merge the digital world with

the physical world around us interest you?

Whowe are?

• We are Probus Smart Things and are working on IoT solutions that can be used to solve massive scale problems

by connecting things to people.

• At Probus we are digitizing the electricity distribution grids to bring down network losses and ensure that

electricity reaches every household.

• We do this by building sensors, controllers, and low power edge devices, connect and manage multiple sensors

with our ecosystem.

• Probus Smart Things has been awarded as the Startup of the Year 2018 and our wireless technology in2020, has

been awarded by India Smart Grid Forum, Government of India.

• Probus has also been mentored by Cisco and Qualcomm in their startup accelerators. We are a VentureCapital

funded company and have raised our A1 round series in 2025.

We are looking for passionate electronics engineers to build the hardware that runs on edge computing, system on

chips, communicates with cloud servers, server-less containers, and everything in between.

We –

• Are a team oftechnologists from diverse backgrounds

• Obsessoverdesignandproductjourney

• Obsessoverour customer’sneeds andexperience

• Areowners.We love building new innovative technologies, andimproving our existing ones

• Wear multiple hats. We enjoy the prototyping and tinkering stages, as well as the rigor of making

solutions production-ready.

• Are fast-growing, agile and collaborative

You –

• Enjoy seeing the impact your work hason real customers

• Enjoy being a part of a creation that can shape the future ofthe worldas we know it

• Enjoyworkingwith the cofounders and the founding team of a growing startup

• Are comfortableinanagile environment andcreateorderfrom ambiguity

• Are excited about the incredible opportunity connected products represent

• Buildstrong teams with others as passionate as you aboutthis mission

• Take ownership and doingwhateverit takes to get the job done

• Wantto create applications at a massive scale used by millionsof people

• Usedata to makedecisionsand validate assumptions

• Learn from others and helpgrowthose in yourteam to achieve their best

Our Culture –

Trust – We trust our team to the core in alltheir actions they perform in day-to-day work

Clear Communication - We are direct and succinct. We share information efficiently, improving collaboration and

productivity. We practice active listening.

Efficient execution - We have a bias for action. We complete high quality work quickly. We focus on the 20 percent of work

that will get us 80 percent of the impact.

Act like an owner - We take 100 percent responsibility for achieving the mission. We seek to improve all aspects of our

company even in ways that are not explicitly part of our job.

Continuous learning - We're humble, and value learning over being right. We embrace delivering and receiving candid

feedback and see every setback as an opportunity to learn.

Championship team - We are a winning team, not a family, and have high expectations for performance and

delivering results. We're stronger together so we choose to focus on what unites us, and not on what divides us. We

have an intense work culture and are regularly pushed out of our comfort zones. We take rest seriously to improve

productivity over the long term. Probus should continually earn employees' commitment and, likewise, expect

employees to earn their seat at the company.

During Your Time with Probus Smart Things, You Will -

• Design and implement high-throughput, low-latency backend systems for large-scale real-time data.

• Develop event-driven pipelines using Kafka and MQTT.

• Build secure, scalable REST/gRPC APIs with authentication, authorization, and rate limiting.

• Deploy microservices using Docker and Kubernetes.

• Optimize SQL queries and manage relational databases for performance.

• Ensure data consistency across distributed systems.

• Improve throughput and efficiency with multi-threading and concurrency control.

• Implement observability with tools like Prometheus, Grafana, and ELK.

• Set up CI/CD pipelines with Git, Bitbucket, and modern DevOps tools.

• Manage cloud deployments on AWS and GCP for scalability and reliability.

• Collaborate with cross-functional teams to deliver features.

• Perform code reviews, debugging, and troubleshooting.

• Contribute to system architecture discussions and performance optimizations.

• Integrate third-party APIs ensuring secure communication.

• Optimize backend performance with query tuning, indexing, and load testing.

• Maintain real-time data synchronization systems processing millions of records daily.

• Implement asynchronous pipelines with Pub/Sub and Redis caching.

• Improve system responsiveness and reduce synchronization latency.

• Implement resilience patterns, reducing production incidents.

• Manage zero-downtime schema migrations with backward-compatible deployments.

• Contribute to migrating legacy systems to microservices.

Preferred Skills & Qualifications -

• Bachelor’s degree in computer science or related field (Master’s preferred).

• 3-5 years of backend development experience (Java, Spring Boot).

• Proficiency in Docker, Kubernetes, Kafka, MQTT, and cloud platforms (AWS/GCP).

• Strong experience with SQL, relational database design, and optimization.

• Familiarity with API security (JWT, OAuth2, RBAC, OWASP) and scalable SaaS systems.

• Experience in CI/CD, performance tuning, and cloud-native deployments.

• Hands-on experience with Kubernetes and cloud-native environments.

• Proven ability in real-time data synchronization systems and performance optimization.

• Experience with zero-downtime schema migrations and resilient systems.

• Familiarity with AI/ML integrations (nice-to-have).

• Cloud deployment experience on AWS and/or GCP.

• Proficient with Git, Bitbucket, and CI/CD workflows.

• Strong problem-solving, debugging, and analytical skills.

• Ability to work in a fast-paced, collaborative startup or enterprise environment.

• Knowledge of API security (JWT, OAuth2, RBAC, OWASP practices) and understanding of multi-tenant

architectures and scalable SaaS systems.

• Experience working on HES, MDM real-time platforms, and distributed synchronization systems processing

million records per day across multiple external systems.

• Proven experience in defining reliability standards such as idempotency, retry/backoff, and concurrency

control, reducing recurring incidents.

• Experience owning zero-downtime schema migration strategy using Goose and backward-compatible

deployments.

• Experience building real-time data synchronization systems, eliminating stale data cycles, and improving

responsiveness.

• Proven ability to reduce synchronization latency across multiple external systems.

• Improved system reliability and reduced production incidents through implementation of resilience patterns.

• Designed asynchronous pipelines using Pub/Sub and Redis caching.

• Strong understanding of microservices, event-driven architecture, and high-scale REST APIs.

Technologies -

• Languages: Go (Golang), Python, Java

• Frameworks: Gin, Django, Spring Boot

• Cloud & Platform: AWS, GCP, Kubernetes

• DevOps: Docker, CI/CD (GitHub Actions, GitLab CI, Jenkins)

• Databases: MySQL, PostgreSQL, MongoDB, Redis

• Messaging: Kafka, MQTT

• Observability: Prometheus, Grafana, Logging, Monitoring

• Architecture: Microservices, Event-Driven Architecture, High-Scale REST APIs, gRPC

• Cloud & Platform Engineering: AWS, GCP, Deployment Strategies

• DevOps Tools: Kubernetes, Docker, CI/CD (GitHub Actions, GitLab CI, Jenkins)