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Principal DevEx Engineer

2 hours, 21 minutes ago
Argentina, Brazil
Full-time
Lead
DevOps Engineer
Software Development
API Gateway AWS CloudFormation CodeBuild CodePipeline Datadog DevSecOps Docker DynamoDB EC2 GitHub Actions GitOps Grafana HashiCorp Vault Java JWT Kafka Kubernetes Microservices New Relic OAuth OpenAPI OpenTelemetry Prometheus Pulumi Python Spring Boot Terraform WAF
Apply Now
RecargaPay

RecargaPay

RecargaPay is a fintech company offering essential financial services through an app, simplifying bill payments, Pix transfers, mobile recharges, and transportation card top-ups for users.

Capital Markets
251-1K
Founded 2010
$135M raised
View All Jobs 15

Description

  • Define and steer medium- and long-term architectural strategies aligned with company goals.
  • Lead modernization efforts for critical systems to improve efficiency, scalability, and reliability.
  • Serve as the technical authority for Engineering and Architecture Chapters, promoting standards and best practices.
  • Mentor senior engineers and technical leaders to build a culture of technical excellence and continuous learning.
  • Promote AI-assisted engineering practices for code generation, refactoring, testing, and documentation.
  • Translate developer needs into golden paths, opinionated tooling, reference implementations, and scaffoldable templates.
  • Own API governance end to end, including contract-first workflows, linting, compatibility rules, schema registry usage, and contract testing.
  • Define SLIs and SLOs, establish error-budget policies, and automate incident follow-up tracking.
  • Standardize observability across services with consistent traces, metrics, logs, dashboards, and log correlation.
  • Lead policy-as-code adoption across CI/CD, Kubernetes admission, and infrastructure-as-code workflows.
  • Engineer safe delivery practices, including trunk-based development, progressive rollouts, automated rollback, and gated deployments.
  • Strengthen service security through OAuth2, JWT, mTLS, secrets management, key rotation, and least-privilege IAM patterns.
  • Design and guide event-driven architectures, including Kafka topology, partitioning, retention, ordering, and idempotency.
  • Drive cost-aware architecture using capacity planning, autoscaling, storage and egress optimization, and service-level cost guardrails.
  • Harden platform resilience with multi-AZ patterns, disaster recovery, chaos exercises, and fallback strategies.
  • Deliver one-click developer environments to reduce onboarding and setup time.
  • Publish DevEx and SRE scorecards and run continuous improvement cycles with squads.
  • Run lightweight technical governance forums such as design clinics, API clinics, ADR/RFC hygiene, and platform councils.

Requirements

  • Academic background in Computer Science, Engineering, or Software Development.
  • Extensive hands-on software engineering experience with strong proficiency in Java and Spring Boot.
  • Working knowledge of Python and asynchronous programming.
  • Strong foundation in object-oriented programming and relational database systems.
  • Solid understanding of web and mobile application architectures, including security and session management.
  • Expertise in Domain-Driven Design and microservices architecture for distributed systems.
  • Demonstrated experience defining and executing architectural roadmaps aligned with business and developer-experience goals.
  • Deep practical experience with AWS cloud-native development.
  • Expert-level knowledge of AWS core services including EC2, ECS/EKS, Lambda, API Gateway, CloudFront, S3, DynamoDB, RDS, SNS/SQS, CloudFormation, IAM, Secrets Manager, Parameter Store, CloudWatch, CloudTrail, Config, GuardDuty, Security Hub, and WAF.
  • Proven ability to design and operate multi-account AWS organizations using Control Tower, Service Catalog, SCPs, and cross-account IAM roles.
  • Advanced experience architecting VPC topologies, including Transit Gateway, subnet design, NAT gateway cost optimization, and egress control.
  • Hands-on experience implementing observability pipelines at scale with tools such as New Relic, CloudWatch, Prometheus, Grafana, Datadog, and OpenTelemetry.
  • Familiarity with EKS internals, including node group management, autoscaling, and Kubernetes cost/latency optimization.
  • Proven experience managing multi-region and multi-environment deployments.
  • Expertise in AWS security hardening and compliance controls, including IAM least privilege, KMS encryption, CloudTrail auditing, GuardDuty detections, and automated remediation.
  • Deep understanding of container security, image signing, ECR scanning, and OPA/Rego policy design for admission controllers.
  • Advanced Infrastructure as Code experience with Terraform and Pulumi.
  • Proven ability to implement GitOps workflows with deterministic deployments and drift detection.
  • Strong policy-as-code practice across CI/CD and Kubernetes.
  • Expertise automating application stack provisioning through reusable IaC modules and pipelines.
  • Deep understanding of progressive delivery and service mesh technologies such as Istio, Linkerd, or App Mesh.
  • Mastery of resilience and reliability patterns such as timeouts, retries, circuit breakers, bulkheads, back-pressure, outbox/saga orchestration, and graceful degradation.
  • Deep knowledge of event-driven and streaming architectures, including Kafka partitioning, compaction, retention, ordering guarantees, exactly-once semantics, and schema evolution.
  • Strong background in data performance engineering, including caching, connection pool tuning, pagination, latency budgeting, and throughput modeling.
  • Proficiency in OpenTelemetry design and RED/USE methodologies.
  • Experience with SLO-driven reliability, including SLIs, error budgets, and alert-fatigue reduction.
  • Proficiency with production monitoring tools such as New Relic, Grafana, Datadog, and CloudWatch.
  • Proven experience building self-service developer platforms or internal developer portals such as Backstage.
  • Experience implementing event-driven DevEx tooling such as ephemeral environments, automated CI insights, and preview deployments.
  • Strong knowledge of API lifecycle management and governance, including OpenAPI/AsyncAPI, contract testing, versioning, idempotency, and error modeling.
  • Expertise in CI/CD automation and DevSecOps with tools such as GitHub Actions, CodeBuild, and CodePipeline.
  • Proficiency in feature-flag governance and safe configuration rollout practices.
  • Experience integrating AI-assisted workflows such as GitHub Copilot Enterprise or LLM-based linters into development and CI pipelines.
  • Deep knowledge of identity and transport security, including OAuth2, JWT validation, mTLS, KMS/HSM key rotation, and secrets lifecycle management.
  • Practical compliance-by-design experience translating PCI-DSS, KYC/AML, GDPR, and LGPD into technical patterns.
  • Experience leading AWS Well-Architected Framework reviews across all pillars.
  • Strong FinOps mindset with capacity modeling, load curve analysis, right-sizing, storage/egress optimization, and cost attribution.
  • Practical understanding of service catalogs and dependency mapping for ownership visibility.
  • Exposure to edge computing and CDN optimization such as Lambda@Edge and CloudFront Functions.

Benefits

  • Competitive and market-aligned salary.
  • Remote work from anywhere.
  • Home office allowance through a monthly deposit in the RecargaPay app.
  • Health and dental plans with no co-pay.
  • Life insurance.
  • Flexible meal allowance via Flash.
  • TotalPass membership.
  • Spanish or Portuguese classes.

Interested in this position?

Apply directly on the company website

Apply Now

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