Desenvolvedor(a) Back-end Especialista

Accountabilities:

• • Act as a senior technical reference for backend development, platform stability, and technical decision-making.
  • Serve as the final technical escalation level (N3) for complex incidents involving SaaS applications, messaging systems, and communication platforms.
  • Investigate, diagnose, and resolve complex production issues with a strong focus on reducing MTTR and improving service availability.
  • Maintain and evolve high-throughput, low-latency messaging and communication systems with a focus on resilience, scalability, and performance.
  • Identify technical debt and legacy components, leading refactoring and modernization initiatives while maintaining business continuity.
  • Automate repetitive operational activities and reduce engineering toil through tooling, process improvements, and automation.
  • Develop and maintain detailed runbooks, technical documentation, and internal knowledge bases to increase operational autonomy.
  • Mentor N1 and N2 teams through technical training, knowledge sharing, and Tech Talks, reducing unnecessary escalations.
  • Establish and promote engineering best practices around software design, automated testing, code reviews, maintainability, and reliability.
  • Collaborate with SRE and product teams to translate business requirements into scalable, sustainable, and technically robust software solutions.
  • Contribute to the modernization of backend architecture and the adoption of contemporary technologies and development practices.
  • Lead selected technical initiatives and facilitate decision-making across teams in a dynamic environment.

  Requirements:

  • Solid experience supporting, maintaining, and evolving SaaS products in production environments.
  • Strong expertise in Node.js, including deep understanding of the Event Loop, memory management, debugging, and performance optimization.
  • Extensive experience with NestJS for new development, as well as maintaining and evolving applications built with Express and Koa.
  • Advanced TypeScript knowledge, including strong typing, object-oriented and functional programming practices, and maintainable code design.
  • Practical experience designing, implementing, and supporting event-driven and asynchronous architectures using technologies such as Apache Kafka and AWS SQS.
  • Strong experience with MongoDB, including data modeling, aggregation, and query optimization.
  • Experience with application observability and DevOps practices, including OpenTelemetry, Datadog, or similar platforms for metrics, logging, and distributed tracing.
  • Familiarity with CI/CD pipelines and modern software delivery practices.
  • Previous experience providing technical leadership, facilitating engineering decisions, resolving conflicts, and influencing teams in dynamic environments.
  • Strong analytical and troubleshooting skills, with a structured approach to diagnosing complex production problems.
  • Excellent communication and collaboration skills, with the ability to work effectively across development, SRE, product, and operations teams.
  • Experience mentoring engineers and promoting engineering standards and technical best practices.
  • Experience with AWS Amazon DocumentDB is a plus.
  • Practical knowledge of SDD / Spec-Driven Development or documentation-led development methodologies is advantageous.
  • Experience integrating AI/LLM architectures into SaaS products for automation or new product capabilities is a plus.
  • Experience with Claude Code is an additional advantage.

  Benefits:

  • Fully remote position in Brazil.
  • Flexible working hours.
  • Health and dental insurance with no copayment for the employee, with dependent coverage options.
  • Life insurance, telemedicine, and access to medical specialties.
  • Wellness benefits including a birthday day off, Gympass, sports and nutrition coaching, and telepsychology support for employees and dependents.
  • Extended maternity and paternity leave, pregnancy support, and childcare assistance.
  • Remote-work support, including a home-office setup allowance and monthly home-office assistance.
  • Meal/food allowance or flexible benefits.
  • Access to coworking spaces throughout Brazil.
  • Private pension contribution options.
  • Internal mobility programs and access to a learning hub for professional development.
  • Participation in company results.
  • Opportunities to collaborate with colleagues across multiple countries and work in a knowledge-sharing environment.
  • Inclusive, collaborative culture focused on autonomy, respect, continuous learning, and innovation.
  • Opportunity to take significant ownership of backend reliability, architecture, and technical strategy.