Senior Backend Engineer

We’re building a pretty ambitious product. It’s a complex challenge, but doable, and honestly a lot of fun.Most AI products help individuals save minutes. Stacksync helps companies run their operations. Our enterprise AI is built on years of expertise in connectors, syncs, and workflow orchestration, allowing businesses to automate the processes that directly impact e-commerce, supply chain, logistics, operations.Under the hood, the product handles deep technical infrastructure: asynchronous jobs, data mappings, approvals, errors, retries, and multi-system orchestration.What Makes This Role DifferentOur Extensive Suite Of Connectors And Deep Expertise In Syncs And Workflows Form The Foundation Of Our Enterprise AI. To Design, Scale, And Continuously Improve Our 'genies,' You Will Need To design highly performant, modular architectures capable of handling high-throughput data streamsbuild agentic workflows handling real-life enterprise use cases while simultaneously driving architecture improvements across the shared, generic codebasework with:queues and event-driven systemsworkflows execution enginelarge-scale data movement in real timePostgres-heavy architecturesdeep ownership over the internal platforms and heavy infrastructure powering our AI agents from architecture to productionThis Opportunity IS for You IfYou enjoy difficult engineering problemsYou care deeply about system quality and maintainabilityYou thrive in fast-moving, high-ownership environmentsYou enjoy scaling distributed systemsYou think like a product owner, not just an implementerYou naturally take initiative without waiting for permissionYou want to build infrastructure used by real enterprise customers that power critical operationsYou are extremely ambitiousYou want to work with a very strong technical teamThis Opportunity IS NOT for You IfYou only enjoy building simple CRUD applicationsYou dislike operational complexityYou need highly structured environmentsYou avoid ownershipYou prefer maintaining existing systems over building new onesYou think shipping one feature per day is “fast”You are uncomfortable with ambiguity or pressureYou believe scaling infrastructure is mostly solved alreadyTech StackPythonGoReactPostgresDistributed queues and workflows⚠️ Apply By Answering ⚠️What excites you about building infrastructure systems at Stacksync? (2 sentences max)Rate yourself from 0–10 on:PythonGoReactPostgresDesigning real-time systemsFor each, include one concrete example demonstrating your depth.Describe the most technically challenging system you worked on:ContextYour exact contributionWhy it was difficultKey learningsWhat is one of the biggest risks or bets you’ve taken in your career or life?