Principal Software Engineer

Let’s Tango ! Where Innovation Meets Impact. 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 ! We are looking for a Principal Software Engineer to join our dynamic and growing Engineering team. Key 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. About You: 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