As a Backend Engineer on the Twilio Segment team, you’ll help build and optimize backend systems that support the leading Customer Data Platform (CDP) in a competitive and evolving market. Our products process billions of data points per hour, enabling customers to orchestrate and activate their data efficiently and flexibly. If you enjoy working on scalable systems, are eager to learn, and are passionate about backend development, this role is for you.

The Ads Measurement Lift Studies team is dedicated to enhancing the efficiency and user-friendliness of our advertising platform. As a Senior Backend Engineer, you will help build the next generation of lift study/experimentation products to help advertisers understand the impact of their ad spend on Reddit. You will design, develop, and enhance the conversion lift system and advertiser-facing measurement products.

As a Technical Lead, you are a leader by example, you are a subject matter expert, and you help lead strategic technical direction. You will get to interact with key client stakeholders on a regular basis and use your experience to prove business ROI through innovative greenfield technology solutions. Software Developers typically have longer tenures and higher retention rates with Callibrity than other companies.

We are looking for a Software Engineer II to join our Patient Services team, the backbone of the Patient platform, that powers user experiences across multiple verticals. In this role, you will design and build scalable, reliable backend systems that are critical to the day-to-day operations at Rula. You will maintain the seamless functionality of our patient data platform and 3rd party integrations for our internal and external stakeholders.

We are looking for a Software Engineer II to join our Provider Quality team, where you will play a critical role in enhancing the experience of therapists and psychiatrists who power Rula’s care network. You’ll be working on our provider portal—the primary tool used by providers to deliver care efficiently and effectively. In this role, you'll contribute to designing and building robust full-stack solutions that are essential for our day-to-day operations.

Lead the design and architecture of backend services that power real-time model inference and bidding decisions for our OpenRTB platform. Collaborate with data scientists and machine learning engineers to deploy, monitor, and optimize ML models that influence real-time bidding strategies, pricing decisions, and targeting. Oversee the development of A/B testing frameworks and ensure the seamless integration of experimentation tools into our platform.

Collaborate closely with fellow engineers to architect and implement services required to back OneSignal’s product offerings. Help optimize a scaling strategy for our high performance Postgres and Scylla clusters. Design and optimize schemas, queries, indices, caches and more across Postgres and Scylla. Actively participate in peer code reviews and Technical Design Spec reviews, providing valuable technical insights to continuously improve our code base.

Build and maintain data catalog infrastructure that connects with BI tools, warehouses, and metadata platforms. Develop and own full-stack features, from backend services and data integrations to APIs and web interfaces. Create and maintain platform connectors and adapters to unify data and metadata across sources. Help define integration standards and best practices for cross-platform data workflows.

As the Staff Software Engineer for our SaaS platform team, you will be crucial in developing Cyngn's cutting-edge fleet management system for autonomous industrial vehicles. You'll collaborate with product and engineering teams to design, implement, deploy, and maintain a robust cloud-based solution that enables real-time control and monitoring of autonomous vehicles in the field.

A great candidate is excited to grow our use of machine learning, AI, and other sophisticated algorithms to build a better user experience. Design and implement machine learning models to power highly personalized experiences throughout the Raya app. Work in a high-impact environment with rapid development and product iteration. Contribute to core ML platform components for scalable model training, deployment, and productionization.