Senior Fullstack Engineer

Blend is a premier AI services provider, committed to co-creating meaningful impact for its clients through the power of data science, AI, technology, and people. With a mission to fuel bold visions, Blend tackles significant challenges by seamlessly aligning human expertise with artificial intelligence. The company is dedicated to unlocking value and fostering innovation for its clients by harnessing world-class people and data-driven strategy. We believe that the power of people and AI can have a meaningful impact on your world, creating more fulfilling work and projects for our people and clients. For more information, visit www.blend360.com

We are seeking a Senior Fullstack Engineer to contribute to our next level of growth and expansion.

What is this position about?

We are looking for a Senior Fullstack Engineer to work alongside a global organization, contributing to the design, development, and maintenance of modern web applications — with a strong focus on backend systems and AI-powered solutions. You will collaborate with cross-functional teams to deliver high-quality, scalable products using cutting-edge technologies including React, Python, and AWS.

• Design, develop, and maintain backend (Python/FastAPI) and frontend (React) components of web applications, with a primary focus on backend architecture and performance.
• Build and integrate AI-powered features and systems into production applications, collaborating with data science and ML teams as needed.
• Collaborate with cross-functional teams to gather requirements and deliver new features end-to-end.
• Write clean, scalable, and well-documented code following software development best practices.
• Architect and integrate cloud-based solutions using AWS services to ensure reliability and scalability.
• Design and maintain RESTful APIs with a focus on performance, security, and maintainability.
• Optimize application performance across the stack, ensuring a seamless and high-quality user experience.
• Participate in code reviews, providing and receiving constructive feedback to maintain code quality standards.
• Troubleshoot, debug, and resolve issues across the full stack in a timely and effective manner.
• Stay current with emerging technologies, AI frameworks, and industry trends to continuously improve solutions.

• Bachelor's or Master's degree in Computer Science, Software Engineering, or an equivalent field.
• Strong proficiency in Python and FastAPI for backend development, including RESTful API design, implementation, and optimization.
• Solid hands-on experience with React for frontend development, including component architecture and state management.
• Demonstrated experience working with AI systems, LLM integrations, or AI-powered applications.
• Practical experience with AWS cloud services (e.g., EC2, S3, Lambda, RDS, or equivalent).
• Experience with relational and/or non-relational databases.
• Familiarity with version control systems, particularly Git, and collaborative development workflows.
• Strong problem-solving skills, attention to detail, and ability to take ownership of complex technical challenges.
• Ability to work effectively in agile, cross-functional team environments.

What about languages?

English: Advanced (required for effective communication with global teams).

How much experience must I have?

3+ years of experience in Fullstack Engineering or related disciplines, with a strong backend focus and hands-on involvement in AI-powered application development.

Our Perks and Benefits:

Every day lunches! (headquarters):

• Vegetarian, vegan, gluten and sugar free options.
• Gourmet meals every Friday with our on-site chef!

⚖️ Flexible working options to help you strike the right balance. 💻 All the equipment you need to harness your talent (Macbook and accessories). 🍎 Snacks and beverages available everyday (headquarters). 🎉 After office events, football, tennis and game nights (headquarters). ⚽ Everyone is welcome to join our football league every Wednesday's and Friday's. 🎱 Challenge your teammates to a pool game and win the office's trophy! 🎾 Tennis courts available for friendly matches. 🎮 Not a sports person? Don't worry, we also have chess championships, game and music nights for you to join! 📚 Learning opportunities:

• AWS Certifications (we are AWS Partners).
• Study plans, courses and other certifications.
• English Lessons.
• Learn from your teammates on our Tech Tuesdays!

🧭 Mentoring and Development opportunities to shape your career path. 🎁 Anniversary and birthday gifts. 📍 Great location and even greater teammates!

So what are the next steps? Our team is eager to learn about you! Send us your resume or LinkedIn profile below and we'll explore working together!