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
1w
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MuleSoft API Developer
San Francisco, California, United States
$61k-$104k/yr HybridFull Time
3+ YOE3+ years as a MuleSoft API Developer; strong MuleSoft Anypoint Platform and Mule ESB experience; REST/JSON API design; integration with Salesforce; API design, deployment, testing; MuleSoft certification preferred.
MuleSoft Anypoint Platform, Mule ESB, MuleSoft Anypoint Studio, Salesforce
3w
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API Engineer (Remote)
Stafford or Alaska or California or Colorado or Connecticut or District of Columbia or Hawaii or Louisiana or Massachusetts or Minnesota or Missouri or Nebraska or Nevada or New Hampshire or New Jersey or New Mexico or New York or North Dakota or Oregon or Puerto Rico or Rhode Island or Vermont or Washington or Wyoming or United States
RemoteFull Time
No specific skills, education, or experience listed in the job text; posting states remote US eligibility and includes benefits information.
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
2w
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Software Engineer, Developer API
New York City or San Francisco or United States or Canada or United Kingdom
$168k-$330k/yr HybridFull Time
5+ YOE5+ years backend engineering, experience building APIs/platforms, hands-on with Python, Temporal, and Postgres, familiarity with AI coding agents, strong ownership and developer-experience focus.
Python, Temporal, Postgres
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
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 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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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
6d
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Staff Software Engineer, API Platform
San Francisco or Seattle
OnsiteFull Time
12+ YOE5+ Mgmt12+ years technical experience,5+ years strategic technical leadership,experience with API design and infrastructure,proficient in Java/Ruby/Python/Go,strong communication and problem-solving skills.
Java, Ruby, Python, Go, Kafka, Kubernetes
1d
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Senior Software Engineer, Foundation Model API
San Francisco, California, United States
$160k-$225k/yr OnsiteFull Time
8+ YOE8+ years backend or infrastructure engineering; distributed systems, scalable APIs, cloud-native experience; real-time serving or ML infrastructure; strong Scala, Go, or Python skills.
Scala, Go, Python, OpenAI, Anthropic, Gemini, Qwen, GPT-OSS, Llama, SageMaker, Vertex AI, Azure ML, Apache Spark, Delta Lake, MLflow
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
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
1mo
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Software Engineer, API SDK
San Francisco or Seattle or New York City
$293k-$385k/yr HybridFull Time
7+ YOE7+ years of professional engineering experience; experience building SDKs; design and implement SDKs for multiple languages; collaborate across teams.
Python, Node.js, Golang, Java, Ruby, SDK generation
2w
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Senior Software Engineer, Integrations (API Sources & Automation) - Hiring Sprint
San Francisco, California, United States
$196k-$255k/yr HybridFull Time
5+ YOE5+ years building backend systems and developer tooling in Python; experience designing APIs/frameworks and leveraging AI/LLM APIs; strong systems thinking, automation, mentoring, and ability to drive ambiguous initiatives.
Python, Java, Airbyte CDKs, Connector Builder, MCP, SDKs, CLI, LLM APIs
1mo
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Member of Technical Staff (Software Engineer, API Platform)
San Francisco or New York City
$220k-$405k/yr OnsiteFull Time
5+ YOE5+ years backend engineering with Python, Go, or Rust; strong high-traffic API design, AWS and Kubernetes experience, CI/CD and DevOps fluency; experience with AI APIs a plus.
Python, Go, Rust, AWS, Kubernetes, CI/CD
2d
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Exec Director, API Synthetic Development
San Diego, California, United States
$244k-$333k/yr OnsiteFull Time
12+ YOEAdvanced degree in chemistry plus 12–16+ years pharmaceutical/process development experience, deep organic/process chemistry knowledge, cGMP manufacturing expertise, CRO/CMO leadership, program and people management, and strong communication skills.
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
2mo
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Software Engineer 5 - Ads Signals Conversion API
New York City or Seattle or Los Angeles or Los Gatos
$388k-$619k/yr OnsiteFull Time
Proven experience building Conversion APIs and high-volume event processing; expertise with streaming architectures (e.g., Kafka, Flink); strong ad-tech and privacy knowledge; excellent communication and collaboration skills.
Kafka, Flink
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.
2w
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API Platform and Ecosystem Development Manager
Montreal or San Francisco or Toronto
HybridFull Time
4+ YOE4+ years managing software development teams building APIs and integrations; strong foundation in distributed systems, API design (REST/GraphQL), data modeling, CI/CD, and developer/platform experience.
REST, GraphQL, CI/CD, SDKs, ERP, iPaaS, BI
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