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Jobs / Reddit

Software Engineer

Reddit·San Francisco, CAsenior

In short

  • →Desarrollar servicios backend escalables para anuncios en Reddit, con enfoque en alta carga de tráfico.
  • →Trabajar con equipos de producto, datos y plataforma para lanzar, probar y monitorear funciones en producción.
  • →Destacado: líder técnico en proyectos de anuncios a largo plazo en una plataforma con 130M de usuarios diarios.

Conocimiento técnico en inglés (lectura y escritura)

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In ~1 minute you get: who interviews you, the likely questions answered from your CV, and your CV tailored to this job. Free, no card.

The questions they'll ask you

1. ¿Cómo diseñarías un sistema de servido de anuncios en tiempo real con baja latencia en AWS?

2. Describe un caso donde usaste A/B testing para validar un cambio en un sistema de anuncios.

3. ¿Cómo garantizas la consistencia de datos en un sistema distribuido que usa DynamoDB y MySQL?

🔒 +7 more questions

No card. Upload your resume and the full dossier is ready in ~1 minute.

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💵 USD · Remote · No visa

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What they ask for

  • ✓Master en Ciencia de la Computación, Ingeniería o disciplina cuantitativa relacionada.
  • ✓4 años de experiencia en desarrollo backend con sistema de alta escala.
  • ✓Experiencia comprobada en modelos de datos y sistemas distribuidos.
  • ✓Conocimiento en pruebas automáticas y pipelines CI/CD.
  • ✓Habilidades en diseño de APIs y arquitectura de servicios (RPC/HTTP).
  • ✓Experiencia en AWS, contenedores (ECS/Kubernetes) y observabilidad (CloudWatch/X-Ray).

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

JavaGoPythongRPCThriftGQLAmazon ECSKubernetesMySQLAmazon DynamoDB

Who should you write to at Reddit?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com . Job Duties: Collaborate with product managers to design and implement Ads products. Work closely with the platform and data teams while building new features. Lead the processes needed to improve operational stability, including improving code quality, delivering dashboards and data visualizations. Build extensible components that align with the product objectives. Support day-to-day project management tasks, including communicating project updates, managing project timelines, and overseeing project execution. Design, develop, and operate backend microservices and APIs that power ads, including resolution, validation, and transformation across the advertising data models. Build and maintain distributed, horizontally scalable backend systems that serve high-volume production traffic, including data storage, caching, and instrumentation for observability and reliability. Design and execute A/B experiments and feature rollouts to evaluate product changes, and partner with data science teams to measure ad performance and inform product decisions. Full-time telecommuting is an option. Requirements: Master’s degree in Computer Science, Engineering (any field) or related quantitative discipline and four (4) years of experience in the job offered or related occupation. Special Skills Requirement: Backend services design and development in Java, Go or Python; Distributed, horizontally scalable backend system design for high-traffic production workloads (e.g., real-time ad serving); Service-to-service API design using RPC or HTTP-based frameworks (e.g., gRPC, Thrift, GQL ); Deployment and operation of production services on Amazon Web Services (AWS), including container orchestration platforms (e.g., Amazon ECS or Kubernetes); Data modeling and schema design for relational and NoSQL datastores (e.g., MySQL, Amazon DynamoDB), including query optimization and indexing; A/B testing and feature-flagged experimentation in production environments; Production observability instrumentation, including metrics, logs, and request tracing (e.g., Amazon CloudWatch, AWS X-Ray), for incident diagnosis and resolution; Automated unit, integration, and functional testing integrated into continuous integration and continuous deployment (CI/CD) pipelines; Backend system development in digital advertising technology, including ad ingestion, ad serving, or ad-targeting workflows; and Technical design and end-to-end delivery leadership of multi-quarter projects, including authoring technical design documents and driving cross-functiona

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