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
3mo
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Senior API Integration Engineer
Sunnyvale or San Francisco
$165k-$200k/yr OnsiteFull Time
7+ YOE7+ years in API development or integration engineering; 3+ years with Workato (preferably Workato ONE); extensive experience with REST, OAuth 2.0, SAML, JSON/XML, iPaaS; ERP/CRM integrations; GDPR/SOC 2 compliance; Jira/CI‑CD workflows; HR data models familiarity.
Workato, REST, OAuth 2.0, SAML, JSON, XML, Jira, Confluence, CI/CD
3mo
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Integrations Support Engineer 5 - Ads Conversion API
New York or Los Gatos
$270k-$410k/yr OnsiteFull Time
Experience with ad tech, Conversions API, data integrations, SQL, Python/Java, REST APIs, and partner-facing support.
SQL, Python, Java, REST API, Postman, curl, Cloud Computing
1mo
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Principal API Architect, Product Engineering – Agent‑Ready APIs & Data
Pleasanton, California, United States
$206k-$310k/yr HybridFull Time
12+ YOE12+ years building large-scale backend systems and APIs, 5+ years in senior architecture roles, hands-on TypeScript or Python, OpenAPI/Swagger and API governance experience, MCP familiarity, strong communication and mentoring skills.
TypeScript, Python, REST, GraphQL, SOAP, JSON, XML, WSDL, Swagger, OpenAPI, MCP, Cursor, Claude Code, GitHub Copilot, Data Cloud, SQL, Agent Factory, Trident, Gateways
2mo
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Quality Assurance Engineer - Cloud, UI & API
Cupertino, California, United States
$106k-$214k/yr HybridFull Time
5+ YOE5+ years QA/software testing, customer support, or related engineering; Python proficiency; UI/API troubleshooting; Selenium/pytest experience.
Python, Selenium, pytest, Django RESTful API
3mo
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Backend Engineer, API
Palo Alto, California, United States
$130k-$220k/yr HybridFull Time
Proficient with TypeScript, GraphQL, NestJS, PostgreSQL; API design; event-driven architecture; strong problem solving; ownership.
TypeScript, GraphQL, NestJS, PostgreSQL, Temporal.io, Event-driven architecture
7h
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Staff Software Engineer, Foundation Model API
San Francisco or Mountain View
$190k-$265k/yr OnsiteFull Time
8+ YOE8+ years backend/infrastructure experience, distributed systems, scalable APIs, cloud-native infra, real-time serving/ML infra/GPU orchestration, strong Scala/Go/Python skills, product ownership and customer engagement.
OpenAI, Anthropic, Gemini, Qwen, GPT-OSS, Llama, SageMaker, Vertex AI, Azure ML, FMAPI, Apache Spark™, Delta Lake, MLflow, Scala, Go, Python
1mo
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Platform Engineer- GraphQL/API
Dublin or San Jose or New York City or Shanghai
HybridFull Time
3+ YOE3+ years software engineering experience; strong Java and Spring Boot skills; GraphQL and API design experience; CI/CD (Maven/Jenkins); Kubernetes and cloud-native deployments; focus on reliability, scalability, and developer experience.
Java, Spring Boot, GraphQL, REST, CI/CD, Maven, Jenkins, Kubernetes
3mo
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Integrations Support Engineer 5 - Ads Conversion API
New York City or Los Gatos
$270k-$410k/yr OnsiteFull Time
Deep ad tech experience with Conversions API (CAPI) platforms, proficiency in Java or Python and advanced SQL, API debugging (curl/Postman), cloud platform knowledge, code debugging, and strong stakeholder communication.
Conversions API (CAPI), Google Tag Manager, SQL, Python, Java, curl, Postman, ETL, REST APIs
2w
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Operations Engineer - Peptide API
Menlo Park, California, United States
$110k-$125k/yr OnsiteFull Time
2+ YOEBachelor's in chemical/chemistry/biochemistry or related, 2+ years pharma/biotech/chemical manufacturing experience, peptide/API manufacturing or complex chemical process experience preferred, cGMP knowledge, hands-on troubleshooting, documentation and SOP experience.
2mo
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Quality Assurance Engineer - Cloud, UI & API
Cupertino, California, United States
$106k-$214k/yr HybridFull Time
5+ YOE5+ years in QA/software testing or related roles; strong Python, UI/API testing; test automation; customer-facing support experience.
Python, Selenium, pytest, Django REST framework
2mo
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Quality Assurance Engineer - Cloud, UI & API
Cupertino, California, United States
$106k-$214k/yr OnsiteFull Time
5+ YOE5+ years QA experience; Python; UI/API testing; test automation; customer interaction; US citizenship; degree in CS or related field.
Python, Selenium, pytest, Django RESTful API
6d
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Senior Software Engineer - API Platform & Client Tooling
Bellevue or Livingston or New York City or San Francisco or Sunnyvale
$153k-$204k/yr OnsiteFull Time
Production Go experience, API design and versioning, client tooling/SDK/CLI or provider work, code-generation or compiler/tooling experience preferred, cross-team collaboration and mentorship.
Go, gRPC, protocol buffers, Buf, ConnectRPC, Terraform Plugin Framework, Cobra, CWIC
1mo
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X Developer Platform – Forward Deployed Engineer, X API
New York or Palo Alto
$180k-$440k/yr HybridFull Time
5+ YOE5+ years in a customer-facing technical role; strong DevEx focus; expert in API-driven development; proficient in multiple languages; excellent communication and project management.
Python, JavaScript, TypeScript, Java, Rust, Scala
1mo
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Staff Software Engineer, API Proxy
Sunnyvale or Kirkland
$207k-$301k/yr OnsiteFull Time
8+ YOEBachelor's degree or equivalent experience; 8 years C++ programming; 5 years testing/launching software; 5 years building large-scale infrastructure or distributed systems; 3 years software design; strong communication and leadership preferred.
C++, Stubby, gRPC, HTTP, Envoy Proxy, Enterprise Security Framework (ESF) PDP, One Model Context Protocol (OneMCP)
1w
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Software Engineer, Solutions Engineering
Milpitas, California, United States
$153k-$219k/yr OnsiteFull Time
5+ YOEDegree in engineering or related field with 5–7+ years' experience, hands-on networking (routing/switching/wireless), Python and REST API automation, familiarity with Cisco products and AI-assisted engineering tools, strong communication.
Python, REST API, Codex, GitHub Copilot, Claude, Cisco Catalyst Center, Catalyst 9000, Meraki, Identity Services Engine (ISE), CI/CD, AI Agents, MCP, LLMs
2w
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Business Support Engineer
Menlo Park, California, United States
$171k-$240k/yr OnsiteFull Time
8+ YOEBachelor's in CS or related, 8+ years software engineering experience, SRE/API background, experience with web stack (Python, PHP/Hack, JavaScript/React), PyTorch/LLM fine-tuning, SQL, and technical communication skills.
REST API, Python, PHP/Hack, JavaScript/React, PyTorch, LLaMA, GPT, Claude, Falcon, SQL, Kubernetes, Kubeflow, Docker, AWS, GCP, Azure
2mo
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Forward Deployed Engineer - CFD & Physics AI
San Mateo, California, United States
OnsiteFull Time
CFD/engineering experience, Python, PyTorch, API/SDK workflows, customer-facing travel, strong communication, independent problem-solver.
Python, PyTorch, APIs, Docker, Git
2d
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AI Engineer III
New York or Palo Alto or Phoenix
$104k-$175k/yr HybridFull Time
4+ YOE4+ years software engineering experience; backend proficiency (Python, Go, TypeScript); experience with LLM/AI features, cloud (AWS/GCP), APIs, and collaborative engineering.
Python, Go, TypeScript, AWS, GCP, Kubernetes, REST, gRPC, Kafka
3d
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Lead Engineer
San Mateo, California, United States
$207k-$258k/yr HybridFull Time
Experienced backend engineer with strong OOP and system-design skills, expertise building distributed high-throughput APIs, on-call/operational maturity, CI/CD-driven releases, and payments/fintech experience preferred.
C#, Java, Go
2mo
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Design Engineer
San Mateo, California, United States
$177k-$215k/yr HybridFull Time
3+ YOE3+ years software engineering; backend services; experience with design tooling, AI, API design, cloud infra, GitHub Enterprise, and Figma plugin architecture.
GitHub Enterprise, Figma, Cursor, Roblox Studio, LLM orchestration, Cloud infrastructure
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