Backend Engineer

Join Modulate as we pioneer the future of conversational intelligence.Modulate is the leader in conversational voice intelligence. We enable platforms and enterprises to deeply understand how people communicate and take timely action based on those insights.Our products help detect harm, prevent fraud, and build safer, more trusted online and real-world voice environments. We are building a self-serve Conversation Intelligence Platform — APIs, workflows, and applications that bring voice understanding to customers at enterprise scale.We are building a self-serve Conversation Intelligence Platform — APIs, workflows, and applications that bring voice understanding to customers at enterprise scale.We’re looking for a Backend Engineer to help build and scale our Developer and Enterprise APIs.Your ImpactYou will play a critical role in bringing our world-class ML audio models to market through robust, scalable APIs. Your work will directly impact both our product velocity and our ability to serve enterprise and developer customers.Develop and Iterate on early-stage products that are key to Modulate’s success Expand the capabilities and use cases supported by our APIsImprove scalability, reliability, and performance across core systemsEstablish strong architectural foundations for long-term growthAccelerate Modulate’s ability to serve both B2B and B2C customersWhat You Will DoCollaborate with engineers and product leaders to scope, design, and execute API projectsDesign, build, test, and deploy API features and improvementsMaintain and operate production APIs to ensure reliability and performanceDebug issues and continuously improve system stability and scalabilityContribute to team knowledge through mentorship, demos, and technical discussionsWhat We Are Looking ForStrong experience with object-oriented PythonExperience designing and building APIs in production environmentsProven ability to collaborate effectively within engineering teamsExperience building greenfield systems and scaling existing productsBenefitsAt Modulate, we prioritize people and sustainability—because doing great work requires feeling supported and safe. Some of our key benefits include:Competitive salary + equity- Full health, dental, and vision coverageFlexible PTO, with a strong culture of taking itWeekly team lunches with dietary accommodationsHybrid work: core in-office days with flexible remote optionsRegular leadership and industry learning sessionsSupport for career development and continued learningUp to 8 weeks work-from-anywhere policyA deeply inclusive, human-centered culturePay TransparencyModulate believes in transparency as a cornerstone of equity and trust. Compensation for this role is based on seniority, skills, and experience.Salary: $140,000 to 170,000Equity: OfferedOther perks: HSA, FSA, 15 holidays, professional growth resourcesAbout ModulateModulate is on a mission to make voice a force for good online. Our tools help communities thrive by proactively detecting toxic behavior, protecting user identity, and empowering safety teams. We’re trusted by leaders in gaming and beyond—and we’re growing fast.We believe that great cultures don’t just happen. That’s why we’ve built a foundation of intentional systems: from bias-reducing hiring practices to transparent pay to tools that help teams collaborate across communication styles. At Modulate, we treat people like people—and we’re building technology that does the same.Ready to join us? Apply here or reach out directly—we’re excited to meet you.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.