Principal Full Stack Developer - Python

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.

• 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.

• 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.

• 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.

• 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

• 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.

• 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.

• Bachelors degree in Computer Science, Information Technology, Engineering, or related field.
• 10+ years of hands-on software development experience.

BGV:

• Employment with WSP India is subject to the successful completion of a background verification (BGV) check conducted by a third-party agency appointed by WSP India.
• Candidates are advised to ensure that all information provided during the recruitment process — including documents uploaded — is accurate and complete, both to WSP India and its BGV partner.

WSP is one of the worlds leading professional services consulting firms. We are dedicated to our local communities and propelled by international brainpower. We are technical experts and strategic advisors including engineers, technicians, scientists, architects, planners, surveyors and environmental specialists, as well as other design, program and construction management professionals. We design lasting solutions in the Transportation & Infrastructure, Property & Buildings, Earth & Environment, Power & Energy, Resources and Industry sectors, as well as offering strategic advisory services. Our talented people around the globe engineer projects that will help societies grow for lifetimes to come.

With approximately 4,000 talented people across 3 locations (Noida, Bengaluru & Mumbai offices) in India and more than 73,000 globally, in 550 offices across 40 countries, we engineer projects that will help societies grow for lifetimes to come.

At WSP we draw on the diverse skills and capabilities of our employees globally to compete for the most exciting and complex projects across the world and bring the same level of expertise to our local communities. We are proud to be an international collective of innovative thinkers who work on the most complex problems. Unified under one strong brand, we use our local expertise, international reach and global scale to prepare our cities and environments for the future, connect communities and help societies thrive in built and natural ecosystems. True to our guiding principles, our business is built on four cornerstones: Our People, Our Clients, Our Operational Excellence and Our Expertise.

www.wsp.com

We are

• Passionate people doing purposeful and sustainable work that helps shape our communities and the future.
• A collaborative team that thrives on challenges and unconventional thinking.
• A network of experts channeling our curiosity into creating solutions for complex issues.

Working with Us

At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you.

Our Hybrid Working Module

With us, you can operate in a flexible, agile, yet structured work environment and follow a Hybrid Work Model.

• Maximize collaboration.
• Maintain product quality and cultural integrity.
• Balance community, collaboration, opportunity, productivity, and efficiency.

Our people are our greatest asset, and we prioritize a safe work environment. Health, safety, and wellbeing are integral to our culture, with each of us accountable for fostering a safe workplace through our Making Health and Safety Personal initiative. Our Zero Harm Vision drives us to reduce risks through innovative solutions, earning recognition for our global health and safety practices with the prestigious RoSPA Health and Safety Awards for six consecutive years.

Inclusivity and Diversity

WSP India is dedicated to fostering a sustainable and inclusive work environment where our greatest strength - Our People -feel valued, respected, and supported. We ensure an unbiased approach in hiring, promotion, and performance evaluation, regardless of age, gender identity, race, religion, sexual orientation, marital status, physical ability, education, social status, or cultural background.

Imagine a better future for you and a better future for us all.

Join our close-knit community of over 73,300 talented global professionals dedicated to making a positive impact. Together, we can make a difference in communities both near and far.

With us, you can.

Apply today.

NOTICE TO THIRD PARTY AGENCIES:

WSP does not accept unsolicited resumes from recruiters, employment agencies, or other staffing services. Unsolicited resumes include any resume or hiring document sent to WSP in the absence of a signed Service Agreement where WSP has expressly requested recruitment/staffing services specific to the position at hand. Any unsolicited resumes, including those submitted to hiring managers or other business leaders, will become the property of WSP and WSP will have the right to hire that candidate without reservation – no fee or other compensation will be owed or paid to the recruiter, employment agency, or other staffing service.