Junior Full Stack Engineer (Python-focused)

Are you passionate about building scalable systems and working across both back-end and front-end layers? We are looking for a Junior Full Stack Engineer with a strong Python background to join our team. This role offers the opportunity to work on ERP customization, integrations, and API development for a dynamic partner-facing platform.
You will be part of Sigma Software, a company that values innovation, professional growth, and collaboration. This position is remote-friendly, giving you flexibility while staying connected with a highly skilled team.
Why join us? At Sigma Software, you will work on impactful projects, gain hands-on experience with modern technologies, and enjoy a supportive environment that fosters learning and career advancement.
CUSTOMER
Our Customer operates in the pet products marketplace sector, providing a partner-facing platform that streamlines workflows, improves data management, and enhances system integrations. Known for innovation and operational efficiency, the company delivers scalable solutions connecting diverse business systems and partners.
PROJECT
The project focuses on developing and maintaining a partner-facing platform integrated with a leading pet products marketplace. It involves ERP customization, system integrations, and API development to optimize backend processes and ensure seamless data exchange.
Key Technologies: Python, ERPNext/Frappe, REST APIs, React, AWS, MySQL/MariaDB
Design, develop, and maintain scalable backend solutions using Python, focusing on ERPNext/Frappe and distributed system components
Implement and maintain REST APIs and integrations between ERPNext, partner platforms, and downstream systems
Enhance ERPNext/Frappe doctypes, workflows, permissions, and backend logic
Build and support event-driven or asynchronous processes to improve system performance
Create and execute unit tests, API tests, and support regression and performance testing
Utilize modern frontend frameworks (React or similar) for UI components and API integrations
Optimize solutions for scalability, reliability, and performance
Troubleshoot and resolve issues across full-stack layers
Collaborate with cross-functional teams to resolve production issues
Experience in software development using Python
Hands-on experience with ERPNext/Frappe for building and customizing business applications
Experience in building multi-tier applications and designing REST APIs
Strong understanding of OOP principles, design patterns, and data structures
Experience with frontend frameworks such as React or Angular
Experience working in Linux/Unix environments
Practical knowledge of cloud services (AWS preferred)
Familiarity with relational databases and data modeling (MySQL/MariaDB)
Experience with system integrations and API-based architectures
Bachelor’s or Master’s degree in Computer Science, Engineering, or related field
At least Upper - Intermediate level of English
WILL BE A PLUS
Experience with message queues (RabbitMQ, Kafka)
Knowledge of CI/CD pipelines
Experience with Docker or Kubernetes
Familiarity with Agile/Scrum methodologies
PERSONAL PROFILE
Strong ownership mindset and attention to detail
Ability to work independently and in a team
Good communication skills for cross-functional collaboration
Problem-solving and analytical thinking