Senior Backend Engineer

About Merciv Merciv is an applied AI and data analytics company building the intelligence layer for enterprise decision-making. The platform connects an organization's entire data landscape — internal systems, social media trends, industry reports, consumer behavior signals — into a single coherent intelligence layer that surfaces insights and automates workflows that used to take analysts weeks. The platform drives 8-figure improvements in gross margins for Fortune 500 retailers. Founded by a technical team with deep innovation and graph database backgrounds. Raised $14M in seed funding. Zero attrition — no one has left the company. About the Role This is the highest-priority hire. The focus is on two things: (1) architecture and scale — making sure the platform can sustain significantly increased usage as enterprise onboarding ramps up, and (2) building innovative new features with architecturally sound decisions that hold up for years. This is a DRI (Directly Responsible Individual) role — a hands-on senior IC who can own systems end-to-end. Key Responsibilities - Design, build, and scale backend services using Go and Python that power autonomous intelligence for enterprise clients - Architect data ingestion and processing pipelines that handle millions of data points across internal and external sources - Build and maintain APIs that serve the agentic AI platform, supporting real-time decision-making at enterprise scale - Work with the graph database layer and production graph RAG system — a core technical differentiator - Collaborate with ML/AI engineers to integrate predictive and prescriptive models into production workflows - Own system reliability — design for fault tolerance, observability, and performance under high-throughput conditions - Contribute to architectural decisions that shape the long-term trajectory of the platform - Mentor engineers and establish backend engineering best practices as the team scales Benefits - Health, dental, vision, 401k - Home office stipend, flexible PTO - Ground-floor equity at a well-funded seed-stage company Requirements Requirements - 5+ years of professional backend engineering experience, with meaningful time spent building systems at scale - Python proficiency is a must; deep confidence that picking up Go would be no problem (Go experience is a plus) - Experience with distributed systems and microservices architecture - Experience with both SQL and NoSQL databases; comfortable with data processing at scale - Startup or small-team experience strongly preferred — real ownership, building new things, not just maintaining existing systems Bonus Skills - Experience with graph databases (major plus — core to Merciv's stack) - Experience with Go - Familiarity with RAG architectures and the broader GenAI landscape - Experience with real-time data processing, streaming technologies, and concurrency at scale - Understanding of ML/AI concepts, particularly in forecasting and NLP - Kubernetes and container orchestration experience