Fullstack Engineer

Company Summary:Slang.ai is redefining customer engagement through conversational AI, making every interaction seamless and efficient.Our mission is to transform the restaurant industry by providing the ultimate voice AI solution for consistently outstanding customer experiences.At Slang.ai, we foster a culture of innovation, inclusivity, and growth, ensuring that every "Slangsta" (employee) feels valued and connected to our broader AI-driven impact.What Your Experience Will Be:This scope of work defines the responsibilities and deliverables for a full-stack software engineering contractor supporting Slang's development.The contractor will focus primarily on implementing robust, scalable backend services in Kotlin while occasionally contributing to frontend features in TypeScript/React, all powering conversational solutions for full-service restaurants.Why You Belong Here & How You Will Grow:At Slang.ai, you believe that trust is a foundational layer to any relationship starting internally and through your touch points with each prospect.We cultivate a culture where every Slangster has a deep sense of pride in their achievements with humility.Our team is collaborative, supportive, and driven by shared goals fostering an abundance mindset in addition to belonging and inclusivity.We offer experiences and benefits designed to foster a sense of community both within and outside the organization.Learner Fervor represents our strongest attribute for growth, as we challenge each employee to take every opportunity to learn especially when it's hard.You will grow not only as a professional but also as an individual.We support and foster opportunities for learning and development, aligning with your career aspirations.Core ResponsibilitiesFullstack DevelopmentDesign and implement backend services using Kotlin and the JVM ecosystem (primary focus)Develop GraphQL queries and mutations for client-server communicationContribute to React frontend components and features as neededCreate modular, testable code following domain-driven design principlesImplement proper error handling, logging, and graceful degradation patternsWrite comprehensive unit and integration tests across the stackData Modeling and StorageDesign and implement Firestore data models that optimize for performance and maintainabilityCreate efficient data access patterns and queriesImplement data migration scripts and schema evolution strategiesEnsure data consistency and integrity across distributed systemsDesign GraphQL schemas that effectively represent domain modelsTelephony and AI IntegrationsDevelop and maintain integrations with Twilio for voice and messaging capabilitiesImplement Dialogflow conversational flows and webhook handlersCreate fault-tolerant communication between telephony providers and internal servicesHandle edge cases and error scenarios in telephony workflowsImplement retry logic and circuit breaker patterns for external service callsFrontend Development (as needed)Implement React components using TypeScriptIntegrate frontend with GraphQL APIsEnsure responsive and accessible UI implementationsWrite unit tests for React componentsCollaborate with product team on user experience improvementsCloud Services IntegrationDevelop containerized applications using DockerDeploy and manage services on Google Cloud PlatformEnsure services follow cloud-native best practices for scalability and resilienceIntegrate with GCP services (Cloud Functions, Pub/Sub, etc.) as requiredProvision new infrastructure using Terraform as needed under the guidance of platform engineeringObservability and MonitoringImplement comprehensive logging, metrics, and tracingCreate dashboards and alerts for service health monitoringDevelop diagnostic tools to aid in troubleshooting production issuesEnsure all services provide actionable insights into their behavior and performanceTiming and AvailabilityExpected commitment: 40 hours per week.Time off requests can be made to your manager with proper noticeRequired overlap with EST business hours: minimum 4 hours daily (12:30 p.m. ET – 4:30 p.m. ET)Attendance at key meetings: daily standup (1:00 – 1:30 p.m. ET), cycle planning, retrospectivesDeliverablesCode and DocumentationProduction-ready Kotlin backend code following established coding standardsTypeScript/React frontend code when assigned frontend tasksGraphQL schema documentation and query examplesTechnical design documents for new features and architectural changesContribute to code reviews for team members' pull requests and submit your code for code reviewsAutomated test suites with adequate code coverage for backend servicesFrontend component tests for any UI work deliveredIntegration tests for all external service dependenciesBug fixes and issue resolution within agreed SLAsCollaboration and CommunicationParticipate in daily standups and bi-weekly cycle planning sessionsCollaborate with Platform & Data pods on shared initiativesProvide technical input during architecture discussionsShare knowledge and progress on work during weekly Show & Tell sessionsAfter ramping up, mentor junior/mid-level engineers through code reviews and pair programming sessionsProvide regular status updates on assigned tasksCommunicate technical trade-offs and implementation optionsDocument technical decisions and their rationaleParticipate in cross-functional meetings as neededTechnical StandardsFollow Kotlin idioms and best practices for backend developmentUse TypeScript effectively with proper type safety for frontend workUse dependency injection and maintain loose couplingWrite self-documenting code with meaningful variable and function namesMaintain consistent code formatting using agreed-upon linter#J-18808-Ljbffr