Principal Full Stack Developer (Contractual Job)

Principal Full Stack Developer - Python
Description
Senior Full Stack Developer would design, build, enhance, and support enterprise-grade web applications across frontend, backend, APIs, and cloud-integrated services. The role would involve transforming MVP solutions into scalable, maintainable, and production-ready systems by developing robust application features, improving code quality, reducing technical debt, and enabling reliable integrations across platform services. The developer would contribute to feature delivery, bug fixing, performance
optimization, and operational stability while working closely with architecture, DevOps, QA, and business teams.

Responsibilities
Application Development
 Design, develop, test, and maintain frontend and backend application components.
 Build scalable APIs, services, and user interfaces aligned with product and architecture standards.
 Contribute to new feature development, bug fixes, and codebase improvements.
 Ensure code quality, maintainability, and adherence to engineering standards.
Modernization & Technical Debt Reduction
 Refactor legacy or MVP code into production-grade, supportable components.
 Identify and address performance bottlenecks, code smells, and architectural inconsistencies.
 Drive improvements in modularity, reusability, testability, and maintainability.
 Support database evolution, API hardening, and service optimization.
Quality, Reliability & Release Support
 Develop unit / integration tests and support QA in end-to-end validation.
 Participate in code reviews, PR quality, and release-readiness checks.
 Support production issue analysis, root cause investigation, and remediation.
 Collaborate with DevOps teams to improve deployment reliability and observability.
Collaboration & Engineering Practices
 Work closely with architects, business analysts, DevOps engineers, and QA engineers.
 Contribute to Agile ceremonies, backlog refinement, and technical estimation.
 Follow established Git workflows, coding guidelines, and branching strategies.
 Document design decisions, technical assumptions, and implementation notes as needed.
Required Technical Skills
 Frontend Development | Advanced — React / Angular / modern JavaScript or TypeScript frameworks
 Backend Development | Advanced — Python / Node.js / Java or equivalent enterprise backend stack
 API Development | Advanced — RESTful APIs, authentication, integration patterns, API performance
 Databases | Proficient — PostgreSQL / SQL Server / relational data modelling and queries

 Cloud & Platform | Proficient — Azure services, app hosting, storage, identity integration
 DevOps Awareness | Proficient — CI/CD, Git workflows, container basics, deployments, monitoring
 Engineering Practices | Advanced — code reviews, testing, clean code, debugging, documentation
Required Experience
 Minimum 8 years of professional experience in full stack software development.
 Proven experience in building and maintaining enterprise or SaaS web applications.
 Strong experience with frontend frameworks and backend/API development.
 Experience modernizing or stabilizing existing applications in production environments.
 Exposure to cloud-native development, secure coding, and integration with cloud services.
 Experience working in Agile product teams with cross-functional collaboration.
 Proven ability to balance feature delivery, production support, and technical debt reduction.
Preferred (Not Required)
 Experience in Azure-hosted modern application stacks.
 Familiarity with multi-tenant SaaS application design.
 Exposure to GIS / geospatial features, map APIs, or document-driven platforms.
 Experience with containerized application deployment and observability tooling.
 Exposure to AI-assisted development tools or engineering productivity accelerators.
Qualifications
 Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field.
 10+ years of hands-on software development experience.