Backend Engineer
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Job Description
Backend Developer responsible for designing and maintaining scalable services at Simetrik. Collaborating with product teams to deliver robust APIs and improve observability.
Responsibilities:
- Design, develop, and maintain backend services and APIs using Python and modern frameworks such as Django and FastAPI.
- Build and maintain RESTful APIs with clear contracts for internal and external consumers.
- Model and optimize relational data structures, primarily on PostgreSQL, including queries, indexing, and performance tuning.
- Implement and run batch jobs and pipelines leveraging AWS services such as Batch, S3, EC2 and CloudWatch.
- Build and operate event-driven components using brokers such as Apache Pulsar, Kafka or equivalents.
- Design and implement AI or MCP-based agents that interact with internal systems, orchestrate tasks, and deliver tangible operational value.
- Ensure observability for the services you own, including metrics, logs, alerts and dashboards, and drive incident reduction over time.
- Apply feature flags, rollout strategies and zero-downtime deployment practices to ship safely and frequently.
- Write unit and integration tests, keep technical documentation up to date, and participate in code reviews with a focus on quality and maintainability.
- Collaborate closely with Product Managers, Frontend Engineers and other stakeholders to clarify requirements and anticipate edge cases.
Requirements:
- Strong command of Python and solid understanding of Object-Oriented Programming.
- Proven experience with at least one Python backend framework (Django or FastAPI) in production.
- Experience designing, implementing and consuming RESTful APIs at scale.
- Strong knowledge of SQL and relational data modeling, preferably with PostgreSQL.
- Hands-on experience with AWS services in real environments, especially S3, EC2, CloudWatch and Batch.
- Experience working with event brokers such as Apache Pulsar, Kafka or similar technologies.
- Practical understanding of feature flags, canary or phased rollouts, and zero-downtime deployment strategies.
- Demonstrated experience building and deploying AI-based or MCP-based agents in production (not only experimentation).
- Bachelor’s degree in Computer Science, Software Engineering, Systems Engineering or a related field, or equivalent practical experience.
- 3 to 5+ years of professional experience in backend engineering roles working on production systems.
- Experience in product-led or platform teams where reliability, performance and delivery speed are equally important.
- Professional proficiency in Spanish and the ability to work in English-speaking technical contexts (documentation, code reviews, occasional calls).
Benefits:
- Well-funded and proven startup with large ambitions and competitive salaries.
- Entrepreneurial culture where pushing limits, creating and collaborating is everyday business.
- Open communication with management and company leadership.
- Small, dynamic teams = massive impact.
- 500USD a year for you to invest in learning.
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