Fullstack Engineer- Contract

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.

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. From weekly team trainings to 1:1 coaching sessions with your manager or peers, company wide workshops, we will help your journey in finding purpose in your work and achieving your fullest potential.

Design and implement backend services using Kotlin and the JVM ecosystem (primary focus)

Develop GraphQL queries and mutations for client-server communication

Contribute to React frontend components and features as needed

Create modular, testable code following domain-driven design principles

Implement proper error handling, logging, and graceful degradation patterns

Write comprehensive unit and integration tests across the stack

Design and implement Firestore data models that optimize for performance and maintainability

Create efficient data access patterns and queries

Implement data migration scripts and schema evolution strategies

Ensure data consistency and integrity across distributed systems

Design GraphQL schemas that effectively represent domain models

Develop and maintain integrations with Twilio for voice and messaging capabilities

Implement Dialogflow conversational flows and webhook handlers

Create fault-tolerant communication between telephony providers and internal services

Handle edge cases and error scenarios in telephony workflows

Implement retry logic and circuit breaker patterns for external service calls

Implement React components using TypeScript

Integrate frontend with GraphQL APIs

Ensure responsive and accessible UI implementations

Write unit tests for React components

Collaborate with product team on user experience improvements

Develop containerized applications using Docker

Deploy and manage services on Google Cloud Platform

Ensure services follow cloud-native best practices for scalability and resilience

Integrate with GCP services (Cloud Functions, Pub/Sub, etc.) as required

Provision new infrastructure using Terraform as needed under the guidance of platform engineering

Implement comprehensive logging, metrics, and tracing

Create dashboards and alerts for service health monitoring

Develop diagnostic tools to aid in troubleshooting production issues

Ensure all services provide actionable insights into their behavior and performance

Expected commitment: 40 hours per week. Time off requests can be made to your manager with proper notice

Required 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, retrospectives