Peoplebox.ai is a fast-growing, YC-backed start-up building an AI-powered Performance Management platform. We help modern companies drive real business outcomes by aligning people, goals, and feedback — all inside everyday tools like Slack, Teams, and email.
Responsibilities :
Responsibilities
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Build and maintain MVC-based Ruby on Rails applications and RESTful APIs, ensuring code is clean, modular and well-documented.
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Implement and optimize asynchronous jobs using Sidekiq and/or Delayed Job to support long-running or high-volume tasks.
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Leverage Redis for caching, session storage and job management to deliver fast, responsive user experiences.
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Design efficient schemas, write optimized SQL (MySQL or PostgreSQL), and apply indexing and normalization best practices.
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Architect and iterate on scalable, decoupled systems—whether monolith or microservices—balancing performance, reliability and maintainability.
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Define, document and consume secure, versioned RESTful endpoints that serve both internal and external clients.
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Write and maintain unit/integration tests (RSpec or Minitest), and contribute to CI/CD pipelines for automated builds, tests and deployments.
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Partner with product managers, designers and front-end engineers to translate business requirements into technical solutions. Provide clear, proactive updates on progress, challenges and trade-offs.
Requirements :
Requirements
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Ruby on Rails, Python: 5+ years of production-grade experience, strong grasp of MVC conventions and Rails best practices.
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Background Jobs: Hands-on with Sidekiq and/or Delayed Job for asynchronous processing.
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Redis: Proven use for caching, session storage, pub/sub or job queues.
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Relational Databases: Expert in MySQL or PostgreSQL—schema design, indexing, query optimization.
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API Development: Comfort designing, documenting and securing RESTful APIs.
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System Design: Ability to decompose complex problems, build modular services (microservices a plus) and make trade-off decisions.
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Version Control: Daily use of Git, collaborating via GitHub or GitLab.
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Containerization: Familiarity with Docker for development and production consistency.
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Cloud Services: Working knowledge of AWS (e.g., EC2, S3) or similar.
Nice-to-Have :
Nice to have
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Proven microservices or event-driven architecture experience.
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Experience with infrastructure as code (Terraform, CloudFormation).
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Previous work in fast-paced, product-oriented start-ups.