Wellhub

Senior Backend Software Engineer | AI Engine

Wellhub
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22 days ago
Remote, BrazilSenior

Responsibilities

  • Design and ship AI-powered features end to end while owning quality, latency, and cost.
  • Build backend services and APIs that operate reliably under real production load.
  • Instrument systems with metrics, logs, traces, and alerts; monitor performance and resolve issues.
  • Review code and designs critically and collaborate across product, design, data science, and engineering.
  • Move prompt, retrieval, and agent changes from experimentation into production.
  • Design, integrate, and monitor production APIs and event-driven distributed systems.

Requirements

  • Strong Python experience and a track record of shipping and operating production backends.
  • Strong AWS experience, including serverless development with Lambda.
  • Experience with SQL and NoSQL databases, including DynamoDB, OpenSearch, and Postgres, with understanding of access patterns and scalability.
  • Experience designing, integrating, and monitoring APIs in production.
  • Experience with event-driven systems such as Kafka and SQS.
  • Production observability experience with metrics, logs, traces, and alerts using Grafana, Prometheus, and OpenTelemetry.
  • Experience with Python, microservices, and distributed systems is mandatory.
  • Strong written and verbal communication, critical thinking, proactive problem-solving, and cross-functional collaboration.
  • Preferred: data pipeline experience such as Airflow; production LLM-based systems involving evaluation, prompts, retrieval, or agentic workflows; AI coding tools; and Kotlin, Go, or Java.

Benefits

  • Remote work from anywhere in Brazil, with flexible-first hybrid and remote options for this role.
  • Free Wellhub Gold+ membership, including access for up to three family members.
  • Wellz emotional wellbeing program with therapy sessions and on-demand content.
  • Health, dental, and life insurance.
  • Home office reimbursement and flexible scheduling aligned with time zones, team needs, and personal routines.
  • Paid vacation after six months, additional annual days off, tenure-based days, and a birthday holiday.
  • 100% paid parental leave, including extended leave and a ramp-back period for parents giving birth.
  • Career development platforms, interactive sessions, personalized development roadmaps, and internal opportunities.
  • Inclusive culture and equal opportunity employment.

Tech Stack

Amazon DynamoDBApache AirflowApache KafkaAWSGoGrafanaJavaKotlinPostgreSQLPrometheusPythonSQL
Wellhub

About Wellhub

1,001-5,000 employees
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