Senior Software Development Engineer - Backend Architecture in Bangalore, भारत

About Us:We are on a mission to help a million+ consumer brands with automated sales and user acquisition via AI omnichannel stack. BusinessOnBot is an omnichannel commerce stack for 500+ Shopify & WooCommerce brands, enabling high-ROI marketing/support across WhatsApp, Instagram, Email, SMS and commerce platforms like Swiggy, Zomato & PhonePe - powered by proprietary shopper intent data from 1/3rd of India's shoppers (100M unique shoppers).In 2026, Businessonbot has grown and is an EBITDA +ve company. We are a Y Combinator backed company (YC W21) and have closed our pre-series A round with Ant Financials on the Board. Backed by experienced founders/CXOs/directors from renowned companies like WhatsApp, Lulu group, OYO, Netflix, Pepsico, Cleartax, InMobi etc. to add to our team.Role:We're looking for a Senior Software Developer who can own the technical health and growth of our backend platform. You'll be part architect, part tech lead, part engineering manager. You won't just review code - you'll set the standard for how code is written, how systems are designed, and how the team thinks about quality, cost, and customer https://jobeax.com/link/vjFWvIjHbJ8wfWTC You'll Own:1. System Reliability & Upkeep:- Own the health of a production multi-tenant https://jobeax.com/link/XoOr05ZMdUyNwOHw backend serving real-time messaging traffic.- Lead incident response, root cause analysis, and post-mortem culture.- Identify and drive reduction of technical debt - proactively, not reactively.- Ensure monitoring, alerting, and observability are in good shape (we use New Relic, Sentry, Pino structured logging).- Work across multiple backend services and ensure they integrate reliably.2. Scalable, Quality Engineering:- Design and review system architecture decisions - schema changes, service boundaries, async workflows (we use https://jobeax.com/link/Qw0VaF4RBPXFkI0o), queue design.- Drive engineering standards: code review culture, PR quality, test coverage, error handling patterns.- Establish and enforce engineering practices that let the team ship fast without accumulating hidden risk.- Evaluate build vs. buy decisions with a clear eye on long-term maintainability.3. Cost Consciousness:- Maintain a clear understanding of infrastructure costs (AWS, third-party APIs, LLM usage, DB compute).- Actively flag cost anomalies and propose architectural or operational changes to address them.- Balance engineering investment against business return - know when "good enough" is the right call.4. Team Standards & Culture:- Set a high bar for code quality - not pedantry, but clarity, maintainability, and correctness.- Build a review culture where feedback is constructive, specific, and educational.- Help engineers grow by pair debugging, design reviews, and code walkthroughs.- Define and document coding conventions, architecture patterns, and engineering principles that persist beyond any individual.5. Customer Empathy:- Understand that the systems you build serve real D2C businesses who depend on them to communicate with their customers.- Treat reliability issues with the urgency of a customer escalation, not a backlog item.- Stay connected to what support and product teams are seeing from customers - let that shape engineering priorities.6. Communication & Stakeholder Management:- Translate technical complexity into clear, honest language for non-technical co-founders and stakeholders.- Communicate risk, timelines, and tradeoffs clearly - no sugar-coating, no unnecessary alarm.- Manage up: surface the right problems at the right time without waiting to be asked.- Manage expectations - both internally with the team and externally with leadership.7. Balancing Trade offs:- Navigate the tension between shipping fast and building right - and be able to articulate why you chose one over the other.- Know when to take on short-term debt and when to push back.- Make architectural decisions that serve the next 18 months, not just the next https://jobeax.com/link/n9GC1wbHtuu02Kix We're Looking For:- 4 - 6 years of backend software engineering experience.- Strong command of TypeScript/Node.js in production.- Deep understanding of multi-tenant SaaS architecture patterns.- Hands-on experience with relational databases (MySQL/PostgreSQL), ORM usage (TypeORM or similar), and writing efficient queries at scale.- Experience designing and operating async/event-driven systems (message queues, workflow engines, or similar).- Comfort with cloud infrastructure (AWS preferred) and cost/performance monitoring.- Strong pull request review https://jobeax.com/link/gEp8SNSfJ7YW5NzO Plus:- Experience with real-time systems (WebSockets, https://jobeax.com/link/nhA6eclar1HPi2rJ, pub/sub patterns).- Exposure to LLM integration, RAG pipelines, or AI feature development in production.- Experience with https://jobeax.com/link/Qw0VaF4RBPXFkI0o or similar workflow orchestration.- Familiarity with WhatsApp Business API, omnichannel messaging, or e-commerce integrations.- Prior experience at a startup in the 10 - 100 person https://jobeax.com/link/0mm9OxMqgRjuuh4u We Offer:- Direct access to founders and product decisions.- Competitive compensation (cash + equity discussion based on profile).- A product that real businesses depend on every day - your work matters immediately. (ref:hirist.tech)