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We are seeking an SDE-3 Backend Builder to own the CRM Opportunities product end-to-end.
Opportunities is the deal and pipeline engine at the heart of our CRM — the system of record for every revenue motion our customers run, from lead conversion to closed-won.
This role emphasises deep backend ownership: designing data models, APIs, and distributed workflows that power pipelines, stages, automations, reporting, and integrations at scale.
You will operate with high autonomy, turning ambiguous problems into production systems, with enough frontend fluency to ship the occasional UI surface without waiting on anyone.
Opportunities is also where a growing set of AI-assisted features live — things like surfacing what needs attention in a pipeline, summarising deal context, and suggesting next steps. To be clear about the shape of that work: we are not training or serving models. These features are built on top of existing AI capabilities, and the engineering problem is the product plumbing around them — assembling the right context from CRM data, keeping latency and cost sane, handling failure and non-deterministic output gracefully, and making the results trustworthy enough for a customer to act on. You do not need an ML background; you need the judgement to build a reliable product feature on top of a probabilistic dependency.
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, IND
About HighLevel: HighLevel is an AI-powered business operating system that gives agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale. Today, HighLevel supports SMBs across 150+ countries, fue
, IND
About HighLevel: HighLevel is an AI-powered business operating system that gives agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale. Today, HighLevel supports SMBs across 150+ countries, fue
, IND
, IND
, IND
, IND
, IND
, IND
, IND
, IND
4+ years building and operating production backend systems at scale
Strong fundamentals in data modeling (SQL and NoSQL), API design, and distributed systems
Hands-on experience with Node.js or Go in production
Track record of owning services end-to-end — design, build, deploy, on-call
Comfort working independently in ambiguous problem spaces with high ownership
Solid grasp of scalability, performance, and reliability trade-offs
Experience building CRM, sales, pipeline, or workflow products
Worked on multi-tenant SaaS at scale (sharding, tenant isolation, fair-use limits)
Familiarity with event streaming (Kafka/Redis Streams), queues, and async processing
Exposure to MongoDB, Postgres, ElasticSearch, ClickHouse, or similar at non-trivial scale
Have shipped a customer-facing feature backed by an LLM or similar AI API — and have opinions on where it worked and where it did not. No modelling or ML-infrastructure background required
Frontend fluency in Vue.js — enough to ship a feature without a frontend partner
Strong product instincts and a portfolio or GitHub of shipped work
Node.js (NestJS), Go, Vue.js, MongoDB, Redis, Kafka / Pub-Sub, ElasticSearch — running on a distributed microservices architecture over Istio service mesh, with AI-assisted features built on top of existing AI/LLM APIs.
Ships Opportunities features from idea to production with minimal cycle time
Builds services that stay reliable as workspaces grow from thousands to millions of deals
Makes sound trade-offs between speed, quality, and long-term maintainability
Ships AI-assisted features that customers actually trust — useful often enough to matter, and well-behaved when the underlying call is not
Raises the bar on data correctness, API design, and operational excellence for the product
Continuously sharpens the customer experience through iteration and instrumentation
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EEO Statement:
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AI-powered sales and marketing automation software company serving agencies, entrepreneurs, and small businesses.
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