Senior Backend Engineer (NW-BE-20250506)

Celara; United States; Hybrid; USD 90,000 - 150,000; Full time

Job summary

Join a forward-thinking company as a Senior Backend Engineer, where you'll architect and develop robust web applications that support AI-powered tools. With a primary focus on Python, you'll tackle complex challenges and collaborate with top talent to deliver transformative software solutions. This role offers the opportunity to work on cutting-edge projects, gain exposure to AI technologies, and make a real-world impact. Enjoy a primarily remote work environment with occasional in-person collaboration, competitive compensation, and continuous opportunities for professional development.

Benefits

Flexible work environment

Competitive compensation

Continuous learning opportunities

In-person collaboration visits

Qualifications

• 5+ years of backend development experience with a strong focus on Python.
• Hands-on experience with cloud platforms and DevOps tools.

Responsibilities

• Develop high-performance, scalable APIs and services for AI systems.
• Collaborate with teams to define technical requirements and deliver solutions.

Skills

Python

FastAPI

Flask

Django

Cloud Platforms (GCP, AWS, Azure)

System Design

DevOps Practices

RESTful APIs

Advanced English

Tools

Docker

Kubernetes

Job description

Are you an experienced backend engineer with a passion for designing and building scalable systems? Do you thrive on solving complex challenges and collaborating with top talent to deliver transformative software solutions? If so, Celara is the perfect place for you!As a Senior Backend Engineer, you’ll play a critical role in architecting and developing robust web applications that support AI-powered tools. While Python will be your primary language, this role requires a strong engineering foundation and experience with large-scale systems, cloud platforms, and enterprise-grade applications. This is an individual contributor role, where you’ll have the opportunity to work on a cutting-edge platform while gaining exposure to AI technologies, making a real-world impact through your work.

Key Qualifications:

• 5+ years of backend development experience with a strong focus on Python.
• Proven expertise in designing and building scalable, high-performance web applications using FastAPI, Flask, or Django.
• Strong engineering principles
• Hands-on experience with cloud platforms (GCP, AWS, Azure).
• Proficiency in system design and third-party integrations.
• Familiarity with DevOps practices and tools, including CI/CD pipelines and containerization (e.g., Docker, Kubernetes, Infrastructure-as-code).
• Solid understanding of building systems for high availability, performance, and reliability.
• Advanced English proficiency (both written and spoken).

Preferred Skills:

• Exposure working with streaming protocols, like WebSocket and SSE.
• Hands-on experience on Django, and understanding of advanced features is highly valuated
• Proven experience in system optimization, including the use of profilers and conducting stress tests. Skills in database and query optimization are also a plus for the role.
• Proficient in designing and developing RESTful APIs.
• Experience with AI-related platforms or tools, although not mandatory.
• Experience with other programming languages such as Java, .NET, or Go (not required but a bonus).

Responsibilities:

• Develop high-performance, scalable APIs and services that integrate seamlessly with front-end and AI systems.
• Collaborate with product teams and front-end engineers to define technical requirements and deliver exceptional solutions.
• Contribute to DevOps workflows, ensuring smooth deployment, monitoring, and maintenance of applications.
• Architect, design, and build backend systems to support AI-powered applications.
• Design and implement robust authentication and authorization mechanisms, including third-party integrations.
• Optimize system performance and ensure the reliability and scalability of applications.

What We Offer:

• Work with a world-class team on cutting-edge AI solutions.
• A primarily remote role with a flexible work environment, with occasional visits to our Buenos Aires office (a few times per month) for in-person collaboration.
• Competitive compensation aligned with your experience and skills.
• Continuous opportunities for learning, growth, and professional development.
• Exposure to AI technologies and the chance to work on innovative projects shaping the future of analytics

Join us in shaping the future of AI-powered analytics. If you’re ready to take your career to the next level, send your resume to [e-mail].

Celara—building elite teams, delivering transformative solutions.