Senior Backend Engineer

Senior Software Engineer (Backend)

LXT is an emerging leader in AI training data to power intelligent technology for global organizations. In partnership with an international network of contributors, LXT collects and annotates data across multiple modalities with the speed, scale, and agility required by the enterprise. Our global expertise spans over 145 countries and more than 1,000 language locales. Founded in 2010, LXT is headquartered in Toronto, Canada with a presence in the United States, UK, Egypt, India, Turkey, and Australia. The company serves customers in North America, Europe, Asia Pacific, and the Middle East.

We are currently seeking a Senior Software Engineer (Backend) at LXT, who will work closely with our engineering, operations, and product teams to build the most secure, cutting edge data annotation tools and platforms.

LXT technical calibers are expected to have a high level of ownership and to be Hands-On engineers who take over the tasks until they pass the finish line.

Responsibilities

• Design, develop, and test new products while maintaining existing systems.
• Stay current with industry trends in software and cloud technologies.
• Ensure code quality and system design meet business needs and best practices (e.g., scalability, fault tolerance).
• Implement security measures to guard against common vulnerabilities.
• Work directly with the Product team to understand and translate requirements.
• Promote modern engineering practices like Scrum and actively participate in Agile ceremonies.

Qualifications

• 4-6 years of experience in web development.
• Strong proficiency in Python for web applications.
• Experience with frameworks such as Django, FastAPI, or similar.
• Familiarity with both relational and NoSQL databases.
• Understanding of web servers (Apache, Nginx) and basic configurations.
• Solid grasp of algorithms, data structures, and performance optimization.
• Experience with Git and collaborative workflows.
• Ability to work independently with minimal supervision.
• Professional-level English communication skills.
• Exposure to cloud platforms (Azure, GCP, AWS).
• Familiarity with CI/CD pipelines, containerization, and orchestration tools (Docker and Kubernetes).
• Understanding of Agile methodologies.
• Knowledge of OWASP Top 10 Web Security Vulnerabilities and mitigation strategies.
• Familiarity with machine learning, deep learning, and generative AI concepts and workflows.

LXT is an equal opportunity employer and ensures that no applicant is subject to less favorable treatment on the grounds of gender, gender identity, marital status, race, color, nationality, ethnicity, age, sexual orientation, socio-economic, responsibilities for dependents, or physical or mental disability. Any hiring decision is made on the basis of skills, qualifications, and experiences.

We measure our success as a business, not only by delivering great products and services and continually increasing our assets under administration and market share but also by how we positively impact people, society, and the planet.