Senior Software Engineer, Backend (Voice Platform)

Toronto, Ontario, Canada

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Artificial Intelligence, Contact Center, SaaS, Enterprise SoftwareIndustries

Requirements

Candidates should possess a Bachelor's degree in Computer Science or a related field, with over 5 years of experience in backend system development, distributed systems, or cloud infrastructure. Expertise in Go and strong API/service design skills are essential, along with proven experience in scalable architectures utilizing microservices, workflow orchestration, distributed caching, and cloud databases. A strong understanding of Kubernetes, Docker, modern cloud infrastructure, networking, real-time communication protocols, and cloud security best practices is required. The ability to lead complex technical projects from design to production is also a key qualification. Experience with voice systems, telephony, or real-time media platforms is considered a bonus.

Responsibilities

The Senior Software Engineer will lead the design and development of scalable, distributed backend microservices, primarily in Golang, with some Python for AI-related services. They will own and evolve voice platform integrations with large-scale enterprise communication and contact center systems. Key initiatives include expanding platform capabilities such as bi-directional SIP, WebRTC integrations, multilingual support, advanced transcription, and real-time translation. The role involves building systems for conversation intelligence, improving platform observability, reliability, and self-service troubleshooting, and ensuring the performance, scalability, and resilience of real-time voice pipelines in the cloud. Collaboration with cross-functional teams and providing technical guidance and mentorship to other engineers are also core responsibilities.

Skills

Golang

Python

Distributed Systems

Microservices

SIP

WebRTC

Real-time Systems

Contact Center Systems

Transcription

Translation

Cresta

AI-powered coaching for sales teams

About Cresta

Cresta focuses on enhancing business outcomes through AI-powered coaching and assistance, particularly for sales teams. Its main product, Cresta for Sales, analyzes all sales conversations to identify performance gaps and provide real-time coaching, helping businesses improve their sales efficiency. This service is available on a subscription basis and is suitable for companies of all sizes across various industries. Cresta also offers a chatbot service that automates repetitive conversations, allowing sales agents to concentrate on more complex tasks. The patented Real-Time Intelligence Engine continuously learns from interactions to highlight effective behaviors, giving businesses a competitive edge. Clients have reported notable improvements, including faster response times and increased sales conversions.

Palo Alto, CaliforniaHeadquarters

2017Year Founded

$268.5MTotal Funding

SERIES_DCompany Stage

Consumer Software, Enterprise Software, AI & Machine LearningIndustries

201-500Employees

Risks

Competition from AI giants like Google and Microsoft threatens Cresta's market share.

Rapid AI advancements may render Cresta's offerings outdated without continuous innovation.

Expansion into Romania and India may face operational challenges and increased costs.

Differentiation

Cresta's Real-Time Intelligence Engine offers unique AI-driven insights for sales improvement.

The company provides AI-powered coaching, enhancing sales team performance with real-time feedback.

Cresta's chatbot service reduces repetitive tasks, allowing agents to focus on complex issues.

Upsides

Cresta's $125M Series D funding boosts product development and market expansion.

Recognition in Forbes AI 50 list enhances Cresta's credibility and market presence.

Human-in-the-loop AI capabilities improve customer service interactions and satisfaction.

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