Company: XSELL Technologies
Location: HYBRID — Chicago, IL (3 days onsite)
Roles: Senior Software Engineer & Senior Machine Learning Engineer
About Us (we’re the hiring company):
XSELL Technologies is building an Agentic Voice platform for healthcare—blending ASR/TTS, LLMs, and deterministic orchestration to power human-like conversations at scale.
Senior Software Engineer
Focus: Scalable backend systems, APIs, distributed services, cloud (AWS/GCP/Azure), CI/CD, observability.
You’ll: Design and ship high-performance services, own architecture decisions, and collaborate closely with Product/AI.
You have: ~5+ years in software engineering (Python/Java/Go/Node), cloud infra, strong fundamentals in systems & APIs.
Senior Machine Learning Engineer
Focus: NLP/speech models, real-time inference, production ML (PyTorch/TensorFlow), monitoring & optimization.
You’ll: Build, deploy, and iterate on ML models for conversational understanding and speech intelligence.
You have: ~4+ years in ML/NLP, production deployments, strong Python, cross-functional collaboration chops.
Why XSELL:
Hybrid rhythm: 3 days onsite in Chicago, IL (collaboration, whiteboarding, team time)
Fast-paced, mission-driven team with clear ownership
Competitive comp and benefits
How to Apply (we’re actively hiring and will respond):
Email your resume to [email protected]
with the subject “[Role] – Your Name.”
XSELL is a machine learning and artificial intelligence startup focused on delivering results. We’ve created a platform that equips sales agents with the best real-time responses. We use predictive analytics and natural language processing to improve the customer experience and conversion rates for our clients.
In 2019 we’re looking to build new products, expand our platform, scale our technology, and extend our capabilities through 3rd party integrations. To achieve these goals we’re aggressively growing our team of engineers, product developers, and data scientists. We’re looking for new team members that are fascinated by complex engineering problems.
Our technology stack
- Backend: Ruby on Rails, Sidekiq, Python, Flask
- Frontend: VueJS, jQuery
- Database: PostgreSQL, Redis
- Infrastructure: AWS - EC2, RDS, SQS
- Deployment: Capistrano
What you will do
- Design, build, test, document, maintain, and deploy web applications
- Work with business teams to translate business requirements into technical specifications
- Follow coding standards, use version control and pull requests, and participate in code reviews as both a reviewer and reviewee.
- Implement 3rd party integrations with chat platforms, phone systems, e-commerce platforms, and healthcare systems.
About you
- You have 2+ years professional software development experience
- You have experience writing web applications with Ruby on Rails or Django
- You have strong communication skills and can collaborate with technical and non-technical co-workers
- You can work in a agile software development environment and have the ability to work on projects on each part of the technology stack
At XSELL Technologies we have a platform to empower your digital sales workforce. Through machine learning and artificial intelligence we uncover insights and strategies from your top performing sales associates. Through our real-time platform we provide your entire sales workforce with the best actions, tactics, and strategies to sell more.
We're looking for developers to work on our real-time platform and digital engagement products. Our stack is primarily Ruby on Rails, JavaScript, and AWS. Our team is small, but growing so you will have the opportunity to work on various projects from start to finish, solve complex technical challenges, and work directly with our operations and analytics teams to deliver solutions.
At XSELL Technologies we have a platform to empower your digital sales workforce. Through machine learning and artificial intelligence we uncover insights and strategies from your top performing sales associates. Through our real-time platform we provide your entire sales workforce with the best actions, tactics, and strategies to sell more.
We're looking for developers to work on our real-time platform and digital engagement products. Our stack is primarily Ruby on Rails, JavaScript, and AWS. Our team is small, but growing so you will have the opportunity to work on various projects from start to finish, solve complex technical challenges, and work directly with our operations and analytics teams to deliver solutions.
At XSELL Technologies we're building a product to empower your digital sales workforce. Through machine learning and artificial intelligence we uncover insights and strategies from your top performing sales associates. Through our real-time platform we provide your entire sales workforce with the best actions, tactics, and strategies to sell more.
On the full-stack side we're looking for developers to work on our real-time platform and digital engagement products. Our stack is primarily Ruby on Rails, JavaScript, and AWS. Our team is small, but growing so you will have the opportunity to work on various projects from start to finish, solve complex technical challenges, and work directly with our operations and analytics teams to deliver solutions.
On the data science side we're focused on machine learning, artificial intelligence, and natural language processing. Our stack is primarily Python and Cuda leveraging many custom and open source libraries. As a data scientist you'll be able to work with our operations team to generate insights from our large datasets and build prediction and recommendation systems.
At XSELL Technologies we're building a product to empower your digital sales workforce. Through machine learning and artificial intelligence we uncover insights and strategies from your top performing sales associates. Through our real-time platform we provide your entire sales workforce with the best actions, tactics, and strategies to sell more.
On the full-stack side we're looking for developers to work on our real-time platform and digital engagement products. Our stack is primarily Ruby on Rails, JavaScript, and AWS. Our team is small, but growing so you will have the opportunity to work on various projects from start to finish, solve complex technical challenges, and work directly with our operations and analytics teams to deliver solutions.
On the data science side we're focused on machine learning, artificial intelligence, and natural language processing. Our stack is primarily Python and Cuda leveraging many custom and open source libraries. As a data scientist you'll be able to work with our operations team to generate insights from our large datasets and build prediction and recommendation systems.
About Us (we’re the hiring company): XSELL Technologies is building an Agentic Voice platform for healthcare—blending ASR/TTS, LLMs, and deterministic orchestration to power human-like conversations at scale.
Senior Software Engineer
Focus: Scalable backend systems, APIs, distributed services, cloud (AWS/GCP/Azure), CI/CD, observability. You’ll: Design and ship high-performance services, own architecture decisions, and collaborate closely with Product/AI. You have: ~5+ years in software engineering (Python/Java/Go/Node), cloud infra, strong fundamentals in systems & APIs.
Senior Machine Learning Engineer
Focus: NLP/speech models, real-time inference, production ML (PyTorch/TensorFlow), monitoring & optimization. You’ll: Build, deploy, and iterate on ML models for conversational understanding and speech intelligence. You have: ~4+ years in ML/NLP, production deployments, strong Python, cross-functional collaboration chops.
Why XSELL:
Hybrid rhythm: 3 days onsite in Chicago, IL (collaboration, whiteboarding, team time)
Fast-paced, mission-driven team with clear ownership
Competitive comp and benefits
How to Apply (we’re actively hiring and will respond): Email your resume to [email protected] with the subject “[Role] – Your Name.”