Staff Software Engineer

Staff Software EngineerCambridge, MassachusettsOnsiteFull Time$200k - $275kA rapidly growing, venture-backed technology organization is seeking Senior and Staff Software Engineers to help establish and scale its Boston engineering presence. This team is building a modern, AI-powered customer data and CRM platform that enables businesses to better manage, activate, and derive insights from their customer data. The role is heavily focused on backend engineering, distributed systems, AWS infrastructure, and high-scale application development, while also contributing to new product experiences built with React and Node.js.This opportunity is ideal for engineers who have built and operated large-scale production systems at leading technology companies or high-growth startups. The organization is specifically interested in candidates who have worked on core platform, infrastructure, database, analytics, billing, or data-intensive products where scalability, performance, and reliability are mission-critical.Required Skills & Experience6+ years of professional software engineering experience (Senior level) or 10+ years (Staff level)Expert-level proficiency with TypeScript and Node.jsExtensive experience designing and operating scalable backend services in production environmentsStrong experience building on AWS (EC2, ECS/EKS, Lambda, S3, RDS, DynamoDB, CloudWatch, IAM, or similar)Experience designing distributed systems and microservices architecturesProven track record improving system performance, throughput, latency, and reliabilityExperience operating services handling high-volume traffic and large-scale datasetsStrong understanding of cloud-native application development and observability practicesExperience working on teams that own critical online databases, APIs, or high-scale backend servicesFamiliarity with modern frontend technologies including ReactStrong communication and collaboration skills in cross-functional environmentsBachelor's degree in Computer Science, Engineering, or equivalent practical experienceDesired Skills & ExperienceExperience at recognized technology companies or product-focused engineering organizationsBackground working at startups whose products solve infrastructure, database, analytics, observability, billing, or scalability challengesExperience with real-time data infrastructure technologies such as: KafkaClickHouseApache FlinkApache SparkSimilar streaming or data processing platformsExperience building analytics, customer data, platform, or infrastructure productsExposure to event-driven architectures and streaming systemsExperience mentoring engineers and driving technical strategyStrong understanding of database internals, data modeling, and performance optimizationAI/ML product experience is a plusWhat You Will Be DoingTech Breakdown50% TypeScript / Node.js Backend Engineering20% AWS Infrastructure & Cloud Architecture15% Distributed Systems & Scalability Initiatives10% React Application Development5% Technical Leadership & MentorshipDaily Responsibilities40% Designing and building scalable backend services20% Improving system performance, reliability, and latency15% Building and enhancing cloud-native infrastructure on AWS15% Collaborating with product and engineering teams on new features10% Architecture reviews, mentoring, and technical leadershipInterview Focus Areas / Candidate EvaluationCandidates should be prepared to discuss:Specific scalability and performance metrics they have owned or influenced Throughput such as 1,000+ queries, requests, or entities processed per secondLatency improvements and measurable reductions in p95/p99 response timesReliability, availability, and operational metricsReal-time data infrastructure experience KafkaClickHouseFlinkSparkOther large-scale streaming or analytical data platformsOwnership experience Managing production databasesOperating mission-critical backend servicesScaling distributed systems in production environmentsArchitectural decisions and tradeoffs made while scaling products and infrastructureIdeal BackgroundsCandidates may come from:Product engineering teams at well-known technology companiesDeveloper tools companiesData infrastructure and analytics companiesDatabase platformsObservability platformsUsage-based billing platformsCustomer data platformsHigh-growth SaaS startups with significant scaling challengesExamples of relevant company profiles include industry-leading technology organizations similar to online marketplaces, analytics platforms, developer tooling companies, infrastructure providers, and cloud-native software businesses.The OfferCompetitive base salary: [Enter Compensation Range]Equity packageComprehensive medical, dental, and vision coverage401(k) programFlexible PTOHybrid Boston office environmentOpportunity to help build and influence a growing engineering organizationExposure to cutting-edge AI and customer data technologiesCareer growth into senior technical leadership and architectural ownership rolesSpecialization:Software Engineering