[Remote] Senior Backend Engineer – Automation & Platform Implementation

Note: The job is a remote job and is open to candidates in USA. Assembly Industries is a fast-growing startup focused on building an AI-enabled talent platform that connects skilled professionals with innovative companies. The Senior Backend Engineer will be responsible for engineering orchestration infrastructure and executing customer-facing platform deployments, utilizing Java microservices and NoSQL databases to build robust backend systems.ResponsibilitiesBuild, extend, and optimize Java-based microservices responsible for task execution, state management, and orchestration logicModel and manage NoSQL document databases to track execution state, workflow metadata, and session/context persistenceDefine internal API contracts, adapters, and connectors that enable modular integration with external APIs and customer deploymentsImplement production-ready infrastructure for data ingestion, document chunking, embedding indexing, and retrieval (RAG) pipelinesArchitect backend services that support multi-step agentic flows, including context assembly, tool calls, and session memoryTurn product requirements for semantic search and AI assistant features into resilient, production-grade backend codeDeploy, configure, and customize the automation platform to meet specific customer use cases and business requirementsConnect external systems through custom sync pipelines, webhooks, and enterprise integrations (e.g., OAuth, ETL-style ingestion)Debug production issues across our stack and customer environments, capturing field insights to improve the core platformEnhance platform observability by setting up robust tracing, execution visibility, and debugging tools for failed runsSkills4–6 years of software engineering experience building resilient production backend systems and working with distributed architecturesStrong proficiency in Java, with deep experience developing scalable microservices, handling asynchronous jobs, retries, idempotency, and system failure modesExperience with NoSQL document databases (e.g., MongoDB, Firestore, Couchbase) for state and metadata trackingExperience building or integrating workflow engines or enterprise automation systems (beyond one-off scripting)Working knowledge of Python for building integrations, tooling, and rapid prototypingSolid understanding of LLM application structures, including embedding systems, vector search, retrieval mechanics, context windows, and agent/tool executionStrong interest or hands-on experience in semantic search, RAG pipelines, or conversational AI backendsHigh Agency & Independent Execution: You have a strong sense of ownership and the exceptional self-direction required to navigate undocumented paths, make sound architectural calls, and take a project to completion with minimal guidanceThrives in a Startup Environment: You are energized by a fast-paced, evolving startup environment, are comfortable when requirements pivot, and are explicitly not looking for a predictable, mature role at a big companyWears Multiple Hats Comfortably: You gladly step outside a narrow engineering lane. You can context-switch seamlessly between core backend engineering, customer fire drills, and partner-facing implementation without losing qualityCustomer-Facing Technical Experience: Proven ability to interface with product teams, solution architects, and customer stakeholders to translate vague user requirements into working, deployed softwareStrong Documentation Culture: A consistent habit of writing clear system designs and deployment guides so that the next team member never has to start from zeroFamiliarity with durable execution systems or workflow engines (e.g., Temporal, Airflow, Camunda)Experience designing plugin, connector, or developer framework ecosystemsUnderstanding of Edge/serverless computing or Backend-for-Frontend (BFF) patterns for customer-facing appsCompany OverviewHelping founders & early stage companies hire incredible offshore teams & talent for sales, marketing, operations & finance. It was founded in undefined, and is headquartered in , with a workforce of 11-50 employees. Its website is https://assembly-industries.com/.