Seasonal Full Stack Python Developer Jobs in Seattle, WA

At Calfus, we are known for delivering cutting‑edge AI agents and products that transform businesses in ways previously unimaginable. We empower companies to harness the full potential of AI, unlocking opportunities they never imagined possible before the AI era. Our software engineering teams are highly valued by customers, whether start‑ups or established enterprises, because we consistently deliver solutions that drive revenue growth. Our ERP solution teams have successfully implemented cloud solutions and developed tools that seamlessly integrate with ERP systems, reducing manual work so teams can focus on high‑impact tasks.

None of this would be possible without talent like you! Our global teams thrive on collaboration, and we’re actively looking for skilled professionals to strengthen our in‑house expertise and help us deliver exceptional AI, software engineering, and solutions using enterprise applications.

As one of the fastest‑growing companies in our industry, we take pride in fostering a culture of innovation where new ideas are always welcomed—without hesitation. We are driven and expect the same dedication from our team members. Our speed, agility, and dedication set us apart, and we perform best when surrounded by high‑energy, driven individuals.

To continue our rapid growth and deliver an even greater impact, we invite you to apply for our open positions and become part of our journey!

We are seeking a talented Lead Full Stack Engineer to join our dynamic team. The ideal candidate will have a deep understanding of software architecture, front‑end and back‑end technologies, and the ability to design. You will work closely with cross‑functional teams to drive projects from conception to deployment.

• Architectural Design: Architect a stack according to client needs that consider one or more of these attributes → Reliability, performance, scalability, security, availability
• Full Stack Development: Develop, test, and deploy web applications using modern frameworks and technologies (e.g., React, Angular, Node.js, Python, Java, Spring & Kotlin etc.).
• Experience in microservices, serverless architecture and modular systems design. Multi-program ability and mastery of systems architecture with an expansive set of tech skills like cybersecurity, database management, a mix of front and backend programming using CSS/HTML, React and Node.js, Java, Python programming
• Collaboration: Work closely with product managers, developers, and other stakeholders to gather requirements and ensure alignment on project goals. Rapidly build MVP’s and POC’s to showcase Calfus technology stack prowess. Building code and iterating quickly. Interest in understanding who needs the product and what problem it solves for customers and understanding how it works in complex eco‑system
• Technical Leadership: Provide technical guidance and mentorship to development teams, fostering best practices in software development.
• Quality Assurance: Establish and enforce coding standards, review code, and ensure best practices in performance and security.
• Cloud Services: Leverage cloud platforms (AWS, Azure, GCP) to design and implement cloudnative solutions. Working experience with anyone hyperscaler environment – AWS/Azure/GCS. Hands‑on experience with Docker and Kubernetes for containerization and orchestration of microservices. Knowledge of tools like Terraform, CloudFormation, or Ansible for automating infrastructure management. Setting up dev ops tool chains
• Documentation: Create comprehensive documentation for system architectures, designs, and processes.

• Bachelor’s degree in computer science, Information Technology, or related field.
• 7‑9 years of experience in software development. Experience in designing and building large‑scale distributed systems, understanding trade‑offs like scalability, performance, and cost.
• Knowledge of secure coding practices, data encryption, and handling authentication and authorization.
• Strong understanding of microservices architecture and cloud computing.
• Excellent problem‑solving skills and ability to work in a fast‑paced environment.
• Strong communication and collaboration skills.
• Experience with DevOps practices and CI/CD pipelines.
• Familiarity with containerization technologies (Docker, Kubernetes).
• Knowledge of agile methodologies.

Calfus prioritizes the well‑being and financial security of its employees & families by providing comprehensive health coverage, which includes medical (by Kaiser & Aetna), Dental & Vision (by Guardian) plans. This ensures that employees & families have access to essential healthcare services, addressing both preventive and ongoing medical needs.

Additionally, Calfus understands the importance of long‑term financial planning for its employees. To support this, the company offers retirement savings plan (401k) where you can start saving as soon as you join!

Salary range for Washington residents only: Between $150,000.00 to $170,000.00 per year. Pay is based on several factors including but not limited to education, work experience, certifications, etc.

Calfus Inc. is an Equal Opportunity Employer.

That means we do not discriminate against any applicant for employment, or any employee because of age, color, sex, disability, national origin, race, religion, or veteran status. All employment is decided based on qualifications, merit and business need.