Principal Software Engineer

Tango is a company focused on helping businesses make smarter decisions through technology and data. They are seeking a Principal Software Engineer to lead architecture initiatives, mentor engineers, and drive the adoption of new technologies while ensuring high-quality software development practices.

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
• 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 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:

• 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
• 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
• 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
• 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 technical bar
• A bachelor's degree in computer science or a related field
• 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