Principal Software Engineer

Description

Job Summary: The IT Engineer Expert will serve as the technical reference for the squad, leading architectural decisions, supporting the development team, and working on critical projects for the Santander ecosystem. Key Highlights: 1. Technical and architectural leadership in scalable and secure solutions 2. Hands-on involvement in critical technical evolution projects 3. Focus on compliance, observability, and traceability of services Principal Software Engineer Country: Brazil **#WHO WE ARE** F1RST is the future—and your career is here! Our culture is built on “People, Innovation, and Results.” Here, we deliver services and experiences to over 60 million customers across the entire Santander ecosystem. Join the team whose purpose is to support people and help businesses thrive. We are passionate about technology. We are F1RST Digital Services. Follow our LinkedIn to stay updated on all news: https://www.linkedin.com/company/f1rstdigitalservices We have an opening for you to become an **IT Engineer Expert** ### **Your role here will be:** * Serving as the technical reference for the squad responsible for *embossing* services (card personalization and issuance); * Leading technical and architectural decisions, ensuring scalable, secure, and high-performance solutions; * Supporting the development team in defining coding standards, reviewing *pull requests*, and promoting best practices; * Collaborating closely with Product Owners, architecture, security, and SRE teams; * Working *hands\-on* on critical projects, supporting technical environment evolution and integration with external partners and bureaus; * Ensuring services meet Santander ecosystem requirements for compliance, observability, and traceability. ### **Mandatory Requirements:** * Solid experience with **Java (Spring Boot)** or **Go**; * Proficiency in **microservices architecture** and messaging integration (Kafka, RabbitMQ, etc.); * Experience with **relational and NoSQL databases** (PostgreSQL, MongoDB, Redis); * Knowledge of **RESTful APIs**, **GraphQL**, authentication and security (OAuth2, JWT); * Experience with **Cloud environments (AWS)** and containers (Docker, Kubernetes, EKS); * Practices in **CI/CD** (Jenkins, GitHub Actions, ArgoCD); * Knowledge of **observability** (Prometheus, Grafana, ELK, OpenTelemetry); * Prior experience in **technical leadership of squads** or as a *Tech Lead*. ### **Desirable Requirements:** * Experience with **card issuance, payment systems, or banking core systems**; * Knowledge of **Infrastructure as Code (Terraform, Helm)**; * Experience with **event-driven architecture**; * Familiarity with **SRE and performance engineering practices**; * Certifications in **Cloud (AWS)**; * Participation in technical communities or open-source projects. ### **Work Location:** Geração Digital – Av Interlagos, 3501 – Interlagos, São Paulo \- SP **#BENEFITS** ➡️ Meal allowance; ➡️ Health insurance; ➡️ Dental insurance: Basic and intermediate plans; ➡️ Transportation allowance; ➡️ Flexible Vacation: 24 business days of vacation, divisible into up to 6 periods; after every 2 months worked, you can enjoy 4 business days off; ➡️ Birthday Day Off; ➡️ Gym partnerships: Wellhub, Totalpass; ➡️ Flexible Working: Hybrid work model—2 days remote and 3 days onsite; ➡️ Training platforms with over 100,000 courses; ➡️ Career paths for professional development; ➡️ Flexible Learning: Exclusive study incentive for High-Performance employees; ➡️ Childcare allowance; ➡️ Nascer Program and Extended Paternity Leave. ➡️ Life insurance; ➡️ Nascer Program; ➡️ Be Healthy — Program encouraging healthier habits; ➡️ PAPE — Specialized Personal Support Program; **#LI\-Hybrid**