Principal Software Engineer

Ciklum is looking for a Principal Software Engineer to join our team in Brazil. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About the role: We are looking for a Principal Software Engineer to join our dynamic and growing Engineering team. At Tango Analytics, we’re all about helping businesses make smarter decisions through powerful technology, insightful data, and a whole lot of collaboration. Whether you're a creative thinker, a strategic planner, a tech wizard, or a customer champion, there's a place for you on our team. We believe work should be meaningful and fun — so if you're ready to make a difference while enjoying the journey, come join us and let's Tango! Responsibilities: Own architecture across product and platform Define and evolve platform and application architecture, including service boundaries, integration patterns, data modeling, and API standards Lead architecture reviews and influence roadmaps to balance near-term delivery with long-term simplicity, maintainability, and performance Identify systemic product/platform opportunities (simplification, modularization, shared services) and drive cross-team execution Introduce new technologies and best practices Evaluate and introduce new technologies responsibly pilot, measure outcomes, document learnings, and scale adoption where valuable Establish best practices in design, testing, secure coding, CI/CD, and production readiness; create reference implementations and templates Raise engineering quality through clarity: design docs, decision records, coding standards, and measurable technical KPIs Solve the hardest cross-team problems Partner across teams to unblock complex initiatives: modernization, major refactors, performance tuning, data migrations, and distributed systems challenges Drive alignment across stakeholders making tradeoffs explicit and decisions durable Help teams debug and resolve high-severity production issues; codify learnings into better patterns and guardrails Global cloud and regulated environment leadership Guide architecture for global cloud deployments (multi-region strategy, DR, availability, and operability) Support FedRAMP/government cloud certification readiness by shaping technical controls implementation plans with Security/Compliance Mentor and coach across the organization Mentor engineers across teams; coach technical leads on design quality, execution, and engineering judgment Build learning mechanisms: architecture guilds, tech talks, post-incident reviews, and hands-on design workshops Requirements: Technical breadth (multi-stack) Ten years of overall experience, with at least five years as a Staff or Principal engineer at B2B SaaS startups Strong working knowledge across: Java/J2EE, Oracle, Postgres, AWS, GCP, Azure, and modern frontend frameworks (React, Vue.js) Ability to move between systems-level architecture and hands-on problem solving, deep where needed, broad by default Experience building and operating modern B2B SaaS applications with strong engineering fundamentals Architecture leadership Proven success setting architectural direction across multiple teams and making durable technical decisions Strong systems design skills: scalability, reliability, performance, data consistency, and operational maturity Ability to drive alignment, influence roadmaps, and lead through ambiguity with pragmatic tradeoffs Global cloud + FedRAMP experience Experience with global cloud systems and production operations at scale (multi-region deployments, DR/BCP, observability) Experience supporting FedRAMP/government cloud certification and/or comparable regulated environments Mentorship and communication Strong written and verbal communication; able to author clear design docs and influence across engineering, product, and leadership Track record of mentoring and coaching engineers across teams, improving quality and raising the technic al bar Education: A bachelor's degree in computer science or a related field Master's degree preferred Desirable: Experience designing shared services (identity/auth, platform APIs) and driving adoption through developer experience improvements Experience with Kubernetes, service meshes, and platform tooling that improves developer productivity Experience leading large-scale modernization of legacy Java/J2EE systems Experience in commercial real estate software What’s in it for you? Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance and mental health programs, 5 undocumented sick-leave days per year Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certifications Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally Long-term employment with 20 working-days paid vacation and local bank holidays Flexibility: 100% remote work mode Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potential Global impact: work on large-scale projects that redefine industries with international and fast-growing clients Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events About us: At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. As we expand into Latin America, every Ciklumer is helping to shape our story. Collaborate with seasoned experts and make a global impact backed by two decades of industry leadership. Explore, empower, engineer with Ciklum! Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum. #LI-AV3