Opportunity :

As an Software Development Engineer III (Backend) at Hiver, you will work end-to-end across backend and AI systems to craft the next generation of collaborative email, automation, and AI-powered customer service workflows.

You will own major product surfaces, architect scalable systems, and bring intelligent experiences to life in the UI while ensuring reliability for 5M emails processed daily across thousands of active users.

Key Responsibilities :

Backend, Distributed Systems & AI :

- Scale backend systems to handle rapidly growing traffic and AI workloads.
- Build low-latency inference and retrieval endpoints, caching layers, and model-serving pipelines.
- Improve reliability, resiliency, and performance across monolith and microservices environments.
- Work with Kafka/RabbitMQ to build high-volume, event-driven data flows.
- Partner with ML/AI teams to deploy embeddings, rerankers, RAG systems, and evaluation workflows.

Product Engineering :

- Ship features end-to-end across backend APIs, domain models, and data pipelines.
- Integrate AI suggestions, copilots, and retrieval-based workflows seamlessly into the product experience.




- Collaborate closely with design & product to deliver polished, consumer-grade UX.

Data, Security & Observability :

- Implement secure, compliant data handling for structured/unstructured customer data.
- Own observability across the stack tracing, metrics, dashboards, feature flags, SLOs.
- Lead debugging of complex issues across frontend, backend, infra, and model pipelines.
- Drive postmortems, root-cause analysis, and process improvements.

What we're looking for :

Must Have :

- 5 years building and scaling production systems end-to-end.
- Solid backend expertise in Go/Java/Python/RoR.
- Deep understanding of distributed systems, concurrency, performance, and resiliency.
- Experience with SQL plus familiarity with NoSQL/caches.
- Exposure to production model serving (embeddings, inference APIs).
- Solid fundamentals in cloud infra (AWS preferred), containers, and CI/CD.

Nice to Have :

- Prior experience building and shipping AI systems/features into production.

📌 Software Development Engineer III - Backend Technologies (India)
🏢 Grexit Software
📍 India