PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
4w
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Backend AI engineer
Tysons, Virginia, United States
RemoteFull Time
3+ YOE3+ years backend or AI engineering experience; strong Python/Java/Go skills; experience with scalable APIs, microservices, cloud (AWS/Azure/GCP), Docker/Kubernetes, LLMs, vector databases, and production ML integration.
Python, Java, Go, LLMs, LangChain, OpenAI APIs, Hugging Face, Pinecone, Redis, vector databases, AWS, Azure, Google Cloud Platform, Docker, Kubernetes, CI/CD pipelines
3mo
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AI Backend Engineer
San Francisco, California, United States
$201k-$240k/yr OnsiteFull Time
1+ YOE1-3 years shipping production code; strong systems thinking; experience with backend services and AI pipelines; able to ship with velocity and quality.
3d
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Staff Backend Engineer, AI Systems
United States or United Kingdom
$181k-$226k/yr RemoteFull Time
7+ YOE7+ years building and operating reliable backend systems; experience with distributed workflows, orchestration, observability, and familiarity with AI/LLM or agent systems.
Azure OpenAI, React, Node, MongoDB
3w
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Backend Engineer
Ramat Gan or Tel Aviv-Yafo or New York City or London or Lisbon
HybridFull Time
3+ YOE3+ years backend experience, 1+ year Java, experience with multiple backend languages, two or more data stores, event-driven architecture and message brokers, cloud (AWS/GCP/Azure) experience, and frequent use of AI tools.
Java, Go, Python, C#, TypeScript, MySQL, PostgreSQL, MongoDB, Elasticsearch, Redis, Kafka, RabbitMQ, AWS, GCP, Azure
1mo
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Backend Engineer - Applied AI
New York City, New York, United States
$175k-$240k/yr OnsiteFull Time
3+ YOE3+ years backend infrastructure or distributed systems experience; building execution layers/state machines; diagnosing and fixing database bottlenecks (caching, query tuning, schema); managing multi-modal state/streaming for text, image, and video; TypeScript and serverless/edge familiarity.
TypeScript, Convex, Liveblocks, Vercel Workflow, CRDT
4d
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Backend Engineer, AI Systems
Sunnyvale, California, United States
$177k-$195k/yr OnsiteFull Time
GFiber: An Alphabet providing fiber and webpass internet services to homes and businesses.
5+ YOEBachelor's or equivalent experience, 5+ years software development, Python, GCP, microservices, REST APIs, production support, and practical experience with LLMs/AI agents and RAG/MCP pipelines.
Python, RAG, Model Context Protocol (MCP), RESTful APIs, Google Kubernetes Engine (GKE), Cloud Run, Google Cloud Observability (Stackdriver), OpenTelemetry, Google Cloud Platform (GCP), AntiGravity, Claude, Cursor, Java, Kotlin
3mo
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Founding AI Backend Engineer
San Francisco or New York
OnsiteFull Time
3+ YOE3–6 years backend or full-stack experience; strong Python; FastAPI; SQL databases; Linux; Docker; cloud infrastructure; debugging mindset.
Python, FastAPI, PostgreSQL, SQLAlchemy, Linux, Docker, AWS, GCP, Render, DigitalOcean, OpenCV, YOLO
1w
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Senior Backend Engineer, AI & Bioinformatics (TypeScript)
United States or Canada or Spain or Ukraine or Mexico or Brazil or Honduras or Moldova or Guatemala or El Salvador or Nicaragua or Costa Rica or Panama or North America or Dominican Republic or Puerto Rico or Argentina or Colombia or Chile or Peru or South America or Ecuador or Bolivia or Paraguay or Uruguay or United Kingdom or Netherlands or Poland or Australia or North America or South America or Europe or Latin America
RemoteFull Time
5+ YOESenior-level backend engineer with deep bioinformatics expertise, 5+ years building production backend and data systems, TypeScript, distributed systems, genomic interpretation experience.
TypeScript, Apache Spark, PostgreSQL, DuckDB, Redis, AWS SQS, RabbitMQ, BullMQ, Qdrant, LLM APIs
3d
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Senior Backend Engineer - AI Product
United States
$160k-$210k/yr RemoteFull Time
5+ YOE5+ years backend engineering experience; strong API design, service architecture, data modeling, and performance skills; experience integrating AI/ML into production; product-minded and able to ship reliable backend features.
TypeScript, Node.js, Python, Go
2mo
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AI Ops Senior Backend Engineer
Austin, Texas, United States
$136k-$204k/yr HybridFull Time
5+ YOESenior backend engineer with 5+ years of experience, cloud-native, AI-focused, security-minded, collaborative, agile, and experience with AWS/GCP/Vercel.
AWS, GCP, Vercel
1mo
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Lead Backend Engineer
San Francisco or Lehi or Plano
$138k-$216k/yr HybridFull Time
10+ YOE10+ years backend engineering experience with Java and Spring Cloud, microservices and integration platform experience (Mulesoft), AI tooling familiarity, cloud (AWS/GCP), SQL/PostgreSQL, system development, and strong communication and leadership skills.
Java, Spring Cloud, Mulesoft, GitHub Copilot, Cursor, WindSurf, AWS, GCP, SQL, PostgreSQL
1mo
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Senior Backend Engineer, Ambient AI
Mountain View or San Francisco or New York City
$170k-$230k/yr OnsiteFull Time
Professional software development experience; strong backend skills with Python and web frameworks; experience with containers and cloud (Docker, Kubernetes); production systems, alerting, metrics, and SRE practices; leadership and customer-facing experience.
Python, Flask, Django, FastAPIs, Docker, Kubernetes, LLMs, EHRs
3mo
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Staff Backend Engineer (Python)
New York City or Montreal
$240k-$280k/yr HybridFull Time
10+ YOE10+ years backend engineering in Python; strong leadership; scalable systems design; API and data ingestion experience; AI integrations a plus.
Python, APIs, Data Ingestion, Event-Driven Architecture, Cloud
1mo
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Senior Backend Engineer – AI Platform
Boston or San Francisco or Seattle or Dallas or Salt Lake City or Portland or United States
$122k-$146k/yr RemoteFull Time
5+ YOEBachelor's in CS/Software Engineering, 5–8 years software engineering experience; expertise in backend Java/C# (SpringBoot), REST/gRPC, SQL; experience building scalable distributed systems and AI/LLM-driven services.
Java, C#, SpringBoot, REST, gRPC, ODATA, SQL, OpenAI APIs, LangChain, Python, Kafka, Docker, Kubernetes, Model Context Protocol (MCP), Pinecone, Weaviate, OpenSearch, Milvus
1mo
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Senior Backend Engineer, Recommendations
United States
$180k-$240k/yr RemoteFull Time
6+ YOE6+ years in software development; backend expert with Golang; scalable systems; startup/fast-moving environments; ML deployment experience; interest in AI tools.
Golang, Cloud, Backend, Machine Learning
2mo
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Lead Backend Engineer, AI Platform
New York, New York, United States
$220k-$300k/yr RemoteFull Time
5+ YOE5-8+ years backend experience; strong API design; distributed systems; AI platform development; cloud experience; leadership responsibilities.
Python, Go, Java, TypeScript, SQL, Kafka, Kubernetes, AWS, GCP, Azure
1mo
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Backend Engineer
Giv'atayim or Tel Aviv or New York City or London or Singapore or São Paulo
HybridFull Time
5+ YOE5+ years backend/platform engineering experience, 5+ years with Java, Kubernetes experience, SQL and relational DB knowledge, Python familiarity, leadership and platform design experience, practical experience with AI dev tools (e.g., Cursor).
Java, Python, Kubernetes, SQL, Cursor, CI/CD, Azure, AWS
1mo
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Lead Backend Engineer
Princeton, New Jersey, United States
$179k-$211k/yr HybridFull Time
8+ YOE8+ years backend engineering experience; strong in Java or Kotlin; demonstrated lead-level IC experience; experience managing/mentoring remote/offshore engineers; strong cross-functional collaboration and ownership of backend AI initiatives.
Java, Kotlin, Zoom, Microsoft Teams
3w
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Staff Backend AI Platform Engineer
San Mateo, California, United States
$225k-$278k/yr HybridFull Time
6+ YOE6+ years backend experience, 1-2+ years in AI/ML platform work; expert Java and Python; experience with LangChain/LangGraph/LangSmith, Kubernetes, AWS, Terraform, PostgreSQL and vector DBs; Temporal or Airflow and Kafka.
LangChain, LangGraph, LangSmith, Temporal, Airflow, Pinecone, Weaviate, FAISS, OpenTelemetry, Kafka, PostgreSQL, AWS, Terraform, Kubernetes, Java, Python
1w
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Senior Backend Engineer
Seattle, Washington, United States
$160k-$220k/yr OnsiteFull Time
4+ YOE4+ years software engineering experience, strong engineering fundamentals, autonomy, and ability to build reliable, low-latency backend systems for voice and AI pipelines.
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