Senior Developer, API

🕒 August 31

🇺🇸 United States – Remote

💵 $119.2k - $155k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 38%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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YPO

WebsiteLinkedInAll Job Openings

201 - 500 employees

🤝 B2B

☁️ SaaS

📣 Marketing

B2B • SaaS • Marketing

YPO is a company that provides dynamic URL shortening, QR code generation, analytics, and comprehensive link management solutions for businesses. The company's products include branded links, mobile links, and UTM campaigns, offering integrations and APIs to enhance customer engagement across various industries such as retail, consumer goods, media, tech, and professional services. With a focus on data-driven solutions, YPO aims to streamline operations and improve user experience for its diverse clientele worldwide.

📋 Description

• Design and implement production-grade RESTful and GraphQL APIs via AWS API Gateway • Build APIs for YPO's Members, Chapters, and Agentic Ecosystem domains • Ensure APIs conform to YPO's canonical ontology and global member graph • Design APIs for event-driven architecture using CDC, Kafka, AWS EventBridge, and idempotent patterns • Apply Domain-Driven Design and serverless-first architecture with AWS Lambda, Step Functions, and EventBridge • Define data models, versioning standards, authentication flows, and integration patterns • Implement performance, pagination, caching, query constraint, and rate-limiting strategies • Enforce privacy-first architecture, consent enforcement, transparent data usage, provenance, and explanation metadata • Build API governance for AI agents using OpenAI, custom RAG, and Google Gemini • Implement structured retrieval, citation-ready provenance, consent-aware filtering, deterministic fallback, and kill-switch-capable API boundaries • Instrument agent API integrations with hallucination, task success, and cost-per-outcome metrics • Own API development, testing, documentation, versioning, deprecation, and migration planning • Build sandbox environments, integration test suites, and automated contract tests • Support CI/CD, deployment automation, Datadog observability, alerting, uptime SLAs, and Infrastructure as Code using Terraform or AWS CDK • Design and enforce least-privilege IAM boundaries, permission boundaries, and Service Control Policies • Contribute to YPO's multi-account AWS strategy using AWS Organizations and Control Tower • Produce API documentation, example queries, and troubleshooting guides • Support technical onboarding for product teams and integration partners • Collaborate with Data Architecture, IT, Security, Product, Data Science, and ML teams • Evaluate and integrate Elasticsearch, Kafka/AWS EventBridge, and Search Orchestration Service • Deliver reliable, well-tested, documented, secure, and explainable APIs meeting governance and IaC compliance standards

🎯 Requirements

• 5+ years of hands-on experience in security engineering • At least 3 years focused on cloud infrastructure security (AWS, Azure, and/or GCP) • Experience integrating security tooling into CI/CD platforms (GitHub Actions, Azure DevOps, GitLab CI, Jenkins, etc.) • Experience securing AI/ML infrastructure, including model APIs, data pipelines, vector databases, and inference endpoints • Experience with AI technologies and monitoring LLM usage and model access controls • API abuse detection across the entire SDLC • Strong experience with IaC tools (Terraform, CloudFormation, ARM) • Familiarity with container security and Kubernetes environments • Experience with SAST, DAST, SCA, and dependency scanning tools • Proficiency in Python or equivalent scripting language • Strong knowledge of IAM, encryption, OAuth/OIDC, RBAC, and secure cloud architecture principles • Understanding of SOC 2, ISO 27001, and NIST frameworks • Exposure to mobile application security on native iOS and/or Android platforms, including API security, token management, and mobile threat defense • Bachelor's degree in computer science, Information Security, or related field (or equivalent experience) • Ability to work flexible and/or extended hours across multiple time zones • Willingness and ability to travel domestically and internationally without restrictions • Strong ability to translate complex security risks into clear business decisions • Demonstrated ability to work collaboratively across product, engineering, and global teams • High degree of discretion and integrity in handling confidential information • Ability to operate independently in fast-moving, ambiguous environments

🏖️ Benefits

• Performance-based bonus opportunities • Remote work flexibility • Comprehensive rewards package focused on wellbeing and growth • Flexible and/or extended hours to accommodate multiple time zones • Travel opportunities, approximately 5–10% per year