(MFA India) Full Stack Engineer(AI)

About the role

Xplor Technologies powers the experiences at the heart of everyday life. Through modern vertical software, embedded payments, and AI-powered capabilities, we help businesses in fitness, recreation, golf and club, field services, laundry, education, and other membership-based and service-based industries simplify operations, uncover insights, and elevate customer and member experiences. We unite popular brands such as Clubessential , foreUP , myFitApp , Vermont Systems , Momence , Exerp , and many more. Full-time - Remote - 3-5 years of experience Why this role exists This role is about engineers who build the AI features our users actually interact with - chat interfaces, agents, retrieval systems, AI-powered workflows inside our product. We're hiring a full stack engineer who can ship LLM-powered features end-to-end: from the prompt and the eval suite, through the retrieval and orchestration layer, to the UI a user clicks. You should be the kind of person who has gone deep on LLMs, has strong opinions about evals, and rolls their eyes at demos that don't survive contact with real users. If your strengths are general full stack engineering rather than LLM-specific work, see also our Full Stack Engineer role - it may be a closer fit. If "AI feature" still means "ChatGPT wrapper" to you, this isn't your team. If you've already shipped something into production and watched it break in interesting ways, keep reading. What you'll do You'll own AI-powered features end-to-end - model choice, prompts, retrieval, tool use, the orchestration around it, the UI on top, and the evals that keep it from regressing. The work spans research-flavoured experimentation and hard product engineering, often in the same week. Concretely, in your first six months you'd expect to: Ship at least one significant AI feature into production - agent, RAG flow, generative UI, or similar Build out our eval and observability stack so we can ship LLM changes with confidence rather than vibes Drive a measurable improvement on a key model-quality metric (accuracy, latency, cost, hallucination rate) Help shape our internal AI engineering practices - model selection, prompt versioning, regression testing Day-to-day, you'll write code (a lot of it AI-assisted), design and evaluate prompts, debug agent failures, partner with product and design on what AI features should even be, and make calls on trade-offs between cost, latency, and quality. What we're looking for We're optimizing for engineers who are equally serious about software engineering and the new craft of building with LLMs. Plenty of people have one; we need both. A genuine willingness to learn. The space moves weekly. The right model, framework, and pattern six months from now will not be the ones today. We expect you to keep up - not by chasing every release, but by knowing which signals matter. Adaptability across stacks. No tribal identity around any one technology. Java, Node, Python, Go, TypeScript - whatever the problem calls for. "I haven't used that before" is a one-week problem, not a blocker. Strong fundamentals. Data structures, algorithms, concurrency, networking, caching, transactions. Solid enough that you can apply them to unfamiliar problems instead of patternmatching on frameworks you've used before. System design at both altitudes. You can sketch a high-level architecture for an AI-powered product - model boundaries, retrieval strategy, fallback paths, cost ceilings - and you can also do the low-level work: schema design, API contracts, prompt structure, hot-path optimization. Sharp problem-solving. You break ambiguous problems into tractable pieces, you can hold a complex system in your head, and you debug from first principles. This matters double for AI work, where failure modes are subtle and "it usually works" is not a state you can ship from. Hands-on experience building AI features in production. Not "I tried the OpenAI quick start." Real features that real users hit, with real consequences when they fail. Specifically, you've worked with several of: LLM APIs (Anthropic, OpenAI, or open-weight models via vLLM/Bedrock/Together) and have opinions on which to use when Retrieval-augmented generation: chunking strategies, embeddings, vector stores (pgvector, Pinecone, Weaviate, Qdrant), hybrid search Agentic systems: tool use, multi-step workflows, planning, MCP, frameworks like LangGraph/Inngest/Temporal or your own orchestration Structured output, function calling, and JSON-mode reliability Streaming responses and the UX patterns that make them feel good Prompt engineering as a serious discipline - versioning, A/B testing, regression suites, not vibes Evals as a first-class skill. You know the difference between an eval that catches regressions and an eval that just makes you feel good. You've built golden datasets, designed LLM-as-judge pipelines (and know their failure modes), and used eval results to actually drive shipping decisions. Production realism about

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