Principal Developer - Software development

WSP in India; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

WSP in India is looking for senior software developers to enhance our cloud SaaS applications. Candidates should have at least 6 years of experience and expertise in technologies such as .NET, Angular, and SQL, along with a proven track record of scaling applications. Familiarity with AI coding assistants is essential for this role.

The position is ideal for those experienced in multi-tenant architectures and suitable for global deployments. The successful applicant will work in a dynamic environment where creativity and technical excellence are valued.

Qualifications

• Minimum 6 years professional software development experience.
• Experience scaling a web application from MVP/prototype to production SaaS for thousands of concurrent users.
• Experience with multi-tenant architecture including data isolation.

Responsibilities

• Refactor and harden existing MVP application for multi-tenant SaaS deployment.
• Scale and deploy an MVP securely for thousands of concurrent users.
• Deliver scalable cloud solutions using App Service, Functions, and Key Vault.

Skills

Angular

.NET / C#

JavaScript / TypeScript

Node.js / Express

SQL

Docker / Containers

Azure Cloud

CI/CD

Git

Education

Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field

Job description

Responsibilities

• Refactor and harden existing MVP application for multi‑tenant SaaS deployment: migration from SQLite to PostgreSQL/SQL, containerised Azure deployment, proper auth/RBAC, CI/CD pipelines, frontend migration from Vanilla JS to Angular, API gateway design, observability, and performance at scale.
• Scale and deploy an MVP securely for tens‑of‑thousands of concurrent users using the latest AI coding acceleration technology.
• Deliver scalable, secure cloud solutions using App Service, Functions, Blob Storage, and Key Vault.
• Design, develop, and enhance software applications based on business and technical requirements.
• Write clean, maintainable, and efficient code following coding standards and best practices.
• Develop new features and enhance existing functionality across applications.
• Perform unit testing and support system, integration, and UAT testing activities.

Required Technical Skills

• Angular – Advanced component architecture, state management, lazy loading, performance tuning.
• NET / C# – Advanced (5+ years), enterprise services, Azure Functions, API design.
• JavaScript / TypeScript – Advanced (ES6+, async patterns, build tooling).
• Node.js / Express – Advanced BFF layer, middleware, API gateway patterns.
• SQL – Advanced PostgreSQL required, schema migration, query optimisation, multi‑tenant data isolation.
• Docker / Containers – Advanced Compose, multi‑stage builds, container orchestration.
• Azure Cloud – Proficient App Service, Functions, Blob Storage, Key Vault, Azure Active Directory.
• CI/CD – Advanced GitHub Actions or Azure DevOps, automated testing, staged deployments.
• Git – Advanced branching strategies, rebasing, monorepo or multi‑repo workflows.

Qualifications

• Minimum 6 years professional software development experience.
• Demonstrated body of work – public portfolio, GitHub profile, or equivalent.
• Experience scaling a web application from MVP/prototype to production SaaS for thousands of concurrent global users.
• Experience with multi‑tenant architecture – data isolation, tenant‑aware middleware, per‑tenant configuration.
• Experience with database migration – schema versioning, zero‑downtime migrations, data integrity at scale.
• Experience with authentication and authorisation at enterprise level – OAuth2/OIDC, RBAC, SSO integration.
• Experience with API design – versioning, rate limiting, pagination, caching strategy.
• Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field.
• 8+ years of hands‑on software development experience.

Required: Infrastructure & Operations

• Observability – structured logging, distributed tracing, APM (Application Insights, Datadog, or equivalent).
• Security – OWASP awareness, secret management, CSP headers, input validation, vulnerability scanning.
• Performance – profiling/code optimisation, load testing, caching strategies (Redis), CDN configuration.
• Reliability – health checks, graceful degradation, retry patterns, circuit breakers.

Critical Differentiator: AI‑Augmented Development

• Must currently use AI coding assistants in daily work (GitHub Copilot, Claude Code, Codex, or equivalent).
• Must demonstrate significant speed multiplier using AI‑assisted coding.
• Must be comfortable with agentic workflows – running multiple AI agents concurrently, delegating subtasks, reviewing and integrating AI‑generated code.

Preferred (Not Required)

• Kubernetes / AKS orchestration experience.
• Experience migrating legacy/prototype codebases to production architecture.
• Experience in engineering consultancy or infrastructure sector.
• Machine learning model serving / inference pipeline experience.

Background Verification

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.