Job Summary: We are seeking a Software Engineer passionate about building teams with a strong culture, leading development strategy, maintaining standards and best practices, and evolving engineering metrics. Key Highlights: 1. Lead the software development strategy 2. Maintain development standards and best practices 3. Address day-to-day developer challenges Do you identify with the field of Software Engineering and aim to help people build a team with a strong software engineering culture that increasingly adds value to the business? **Responsibilities and Duties** * Lead the software development strategy; * Maintain development standards and best practices; * Monitor the technical evolution of development teams; * Address problems, facilitating developers’ daily work; * Serve as a technical reference; * Monitor and evolve engineering metrics; * Collaborate on the design and development of tools, focusing on security, performance, and observability; * Contribute to product interactions once in production, ensuring scalability, resilience, and consistency; * Ensure operations, product quality, and health of its indicators (monitoring and alert creation, participation in war rooms), and safeguard the product’s technical evolution, guaranteeing correct design and implementation of initiatives; * Continuously contribute ideas and proposals to enrich the initiative’s roadmap; **Requirements and Qualifications** * Advanced proficiency in Apache Kafka, including internal architecture (brokers, partitions, topics, ZooKeeper) and replication and fault-tolerance mechanisms. Practical experience configuring and optimizing Kafka clusters for high availability and throughput. Familiarity with Kafka Streams is desirable; * Deep expertise in JVM languages (Java, Scala, Kotlin), including JVM tuning for garbage collection optimization, heap memory management, and application profiling. Experience with tools such as JMX, VisualVM, JFR (Java Flight Recorder), and thread dump analysis; * Advanced knowledge of design patterns, including practical application of GoF patterns such as Singleton, Factory, Builder, Observer, Strategy, SAGA, among others. Experience applying architectural patterns such as CQRS, Event Sourcing, and Domain-Driven Design (DDD) in large-scale systems; * Technical capability to troubleshoot complex distributed systems. Proficiency in log analysis, distributed tracing (OpenTracing, Jaeger), and performance monitoring (APM). Experience resolving latency issues, resource contention, and intermittent failures in high-load environments; * Experience designing and optimizing database schemas, both SQL (PostgreSQL, MySQL, Oracle) and NoSQL (MongoDB). Ability to implement sharding, replication, and complex query tuning strategies is a plus. Knowledge of caching technologies (Redis, Memcached) for performance optimization; * Advanced technical experience in designing and implementing microservices architectures, including service lifecycle management, inter-service communication (REST, gRPC, event-driven), and observability and tracing mechanisms. Ability to work with Service Mesh tools (Istio, Linkerd) and CI/CD pipelines for microservices; * Mastery of strategic DDD, including identifying and defining bounded contexts and establishing ubiquitous languages in collaboration with stakeholders. Experience implementing context maps and integration strategies (Shared Kernel, Customer-Supplier, Anti-corruption Layer); * Ability to lead the architecture and design of technology solutions aligned with business objectives. Experience defining technical and architectural roadmaps, ensuring system scalability and resilience over time. Capability to anticipate and mitigate architectural and technical risks in large projects; **Additional Information** At **Sicredi**, you will have: 14th and 15th fixed salaries; Profit Sharing (based on seniority); Health and Dental Plans with no co-payment; Well-being Programs via Wellhub (formerly Gympass), Nutrition, Psychology, Occupational Health, Massage, Running Group, and local gym; Meal Allowance and Food Voucher – with flexible % allocation on VA/VR cards, no co-payment; Extended maternity and paternity leave; Childcare or babysitter allowance for children up to 6 years and 11 months; Support for children with disabilities, with no age limit; Life insurance; Private Pension Plan up to 7% of salary; Training Platform – Sicredi Aprende, offering various courses; 40-hour weekly workload – using a time-banking system; Remote Work Allowance (except for positions requiring 100% on-site work). **Nice to meet you — we are Sicredi.** Our journey began over 120 years ago as Brazil’s first financial cooperative institution. Today, we continue growing and transforming every day alongside **more than 50,000 collaborators**. They make us the **Best Place to Work**, again ranking first according to Great Place To Work Brasil (GPTW). Together with **more than 9 million members**, across all Brazilian states, we believe in the power of cooperation to **build a more prosperous society and generate positive impact in people’s lives** — a purpose that unites and inspires us, promoting local and sustainable development, education, and financial inclusion. We continue seeking talents who wish to help build a better world — and we want you on board. **#JoinSicredi!**