Senior Software Engineer Engineer

W issen Technology is hiring for Senior Software Engineer Engineer About Wissen Technology: At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia.

Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality.

We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models.

Our outcome-based projects ensure predictable costs and timelines, while our agile pods provideclients the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent.

Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time. Job Summary: We are seeking an experienced Senior Software Engineer with 5–8 years of backend development experience to design and build scalable microservices for a cloud‑based IoT platform. The role involves developing services that process high‑volume IoT data, integrating with MQTT‑based device communication, and supporting a multi‑tenant BOS system.

The ideal candidate must be strong in distributed systems, backend engineering, and performance‑oriented design. Experience: 5-8Years Location: Bangalore Mode of Work: Hybrid Key Responsibilities: Design and developscalable, high‑performance microservices. ImplementREST/gRPC APIsfor BOS and external integrations.

Build services that consume, validate, and processMQTT messages. Implement robust message parsing, retry logic, and fault‑tolerant mechanisms. Handle real‑time and batch IoT data ingestion workflows.

Work withPostgreSQLfor persistence, optimized queries, and large datasets. Implement distributed system patterns: asynchronous messaging, idempotency, consistency. Optimize systems forhigh throughput and low latency.

Identify and resolve performance bottlenecks. Write clean, maintainable, testable code following engineering best practices. Participate in design reviews, code reviews, and architecture discussions.

Work closely with System Architect, Cloud Architect, DevOps, and QA teams. Troubleshoot production issues and perform root cause analysis. Improve system reliability and support continuous enhancements.

Required Skills and Qualification 5–8 years of backend development experience. Strong experience building and deployingmicroservices. Proven experience working onproduction-grade distributed systems.

Strong programming skills inC++ / C# / .NET Core / Go(at least one is mandatory). Experience withREST APIs,gRPC(optional), and service integration patterns. Strong understanding ofmultithreading and concurrency.

Experience withMQTT, message queues, or event-driven systems. Knowledge of real-time data processing concepts. StrongexpertiseinPostgreSQL, query optimization, indexing, and handling large datasets.

Strong problem‑solving and debugging capabilities. Ability to collaborate effectively in cross-functional environments. Ownership mindset and ability to deliver in a fast-paced setup.

Good to have Skills Experience withDocker and Kubernetes. Exposure toAWS or Azure cloud platforms. Knowledge of event-driven architecture and messaging systems.

Experience with performance tuning and distributed tracing. Exposure to IoT systems, device protocols, or telemetry workflows. Wissen Sites: ​