Senior Fullstack Engineer

Algoleap Technologies; Bengaluru; On-site; INR 2,500,000 - 4,200,000; Full time

Job summary

Algoleap Technologies Pvt Ltd is seeking a Senior Full Stack Engineer to design, build, and operate secure, scalable products across a regulated global mobility platform. You will own end-to-end features using Next.js, React, TypeScript, C#, .NET, and Azure, delivering production-ready solutions with agentic development practices and AI-enabled workflows.

The role focuses on building modern web experiences, backend services, and Azure-native implementations, while contributing to architecture

Qualifications

• 5+ years of professional software development experience building enterprise web applications and services.
• Strong backend development experience in C# and .NET (ASP.NET, WebAPI, MVC) including API design and service patterns.
• Proven experience with Microsoft Azure designing and building cloud solutions using PaaS services, frameworks, and operational tooling.
• Experience delivering systems in regulated or compliance-oriented environments (security controls, auditability, privacy, data handling).
• Strong engineering fundamentals including design patterns, separation of concerns, scalable architecture, and pragmatic trade-offs.
• Experience with agentic or AI-assisted development workflows such as spec-driven development, agent-driven development using tools like Claude Code or Codex, or similar AI coding agent practices.
• Demonstrated ability to build products that incorporate AI capabilities including prompt design, LLM API integration, or AI-augmented user experiences.

Responsibilities

• Build and evolve modern web experiences using Next.js, React, and TypeScript with a focus on performance, reliability, and usability.
• Design and implement backend services and APIs using C#, .NET, and WebAPI, including integrations that support payroll, tax, and immigration workflows.
• Deliver Azure-native implementations using Microsoft PaaS services, secure patterns, and operational best practices.
• Contribute to system architecture and technical design, including integration patterns using REST and event-driven approaches.
• Own production readiness for your work including logging, monitoring and alerting, incident response support, and operational documentation.
• Apply secure development practices appropriate for regulated environments including privacy, auditability, and data protection.
• Partner with product, implementation, and client-facing teams to translate requirements into technical plans and deliverables.
• Use agentic development practices including agent-driven development with Claude Code, Codex, or similar AI coding agents to accelerate design, implementation, testing, and operations across the SDLC.
• Work in a spec-driven development workflow, authoring detailed specifications that guide both human and AI agent implementation, translating clear requirements into predictable delivery and maintainable code.
• Design and implement AI-powered features within products including prompt engineering, LLM integration, retrieval-augmented generation (RAG) patterns, and AI-assisted user workflows.
• Evaluate, integrate, and operationalize AI APIs, models, and toolchains within application architectures, ensuring responsible AI usage, cost management, and observability.
• Mentor and support other engineers through code reviews, pairing, and technical guidance.

Skills

Next.js

React

TypeScript

C#

.NET

Azure

API design

REST

CI/CD

Security

Education

Bachelor's degree in Computer Science or Engineering

Tools

Claude Code

Codex

Azure DevOps

Job description

Algoleap Technologies Pvt Ltd | Full time

Senior Full Stack Engineer to design, build, andoperate secure, scalable products and integrations across our global mobilityplatform. You will deliver hands‑on engineering across Next.js and React frontends and C# and .NET services running on Microsoft Azure, operating in aregulated, global environment. This role is for an experienced engineer who canown end-to-end features, contribute to architectural decisions, andconsistently deliver production-ready solutions using agentic developmentpractices including spec-driven development and agent-driven development withtools such as Claude Code and Codex. You will build AI-native products andworkflows, integrating AI capabilities directly into the applications and servicesyou deliver.

What You’ll Do

• Build and evolve modern web experiences using Next.js, React, andTypeScript with a focus on performance, reliability, and usability.
• Design and implement backend services and APIs using C#, .NET, andWebAPI, including integrations that support payroll, tax, and immigrationworkflows.
• Deliver Azure-native implementations using Microsoft PaaS services,secure patterns, and operational best practices.
• Contribute to system architecture and technical design, includingintegration patterns using REST and event-driven approaches.
• Own production readiness for your work including logging, monitoring andalerting, incident response support, and operational documentation.
• Apply secure development practices appropriate for regulatedenvironments including privacy, auditability, and data protection.
• Partner with product, implementation, and client-facing teams totranslate requirements into technical plans and deliverables.
• Use agentic development practices including agent-driven developmentwith Claude Code, Codex, or similar AI coding agents to accelerate design,implementation, testing, and operations across the SDLC.
• Work in a spec-driven development workflow, authoring detailedspecifications that guide both human and AI agent implementation, translatingclear requirements into predictable delivery and maintainable code.
• Design and implement AI-powered features within products includingprompt engineering, LLM integration, retrieval-augmented generation (RAG)patterns, and AI-assisted user workflows.
• Evaluate, integrate, and operationalize AI APIs, models, and toolchainswithin application architectures, ensuring responsible AI usage, costmanagement, and observability.
• Mentor and support other engineers through code reviews, pairing, andtechnical guidance.

Required Qualifications

• 5+ years professional software development experience buildingenterprise web applications and services.
• Strong backend development experience in C# and .NET (ASP.NET, WebAPI,MVC) including API design and service patterns.
• Proven experience with Microsoft Azure designing and building cloudsolutions using PaaS services, frameworks, and operational tooling.
• Experience delivering systems in regulated or compliance-orientedenvironments (security controls, auditability, privacy, data handling).
• Strong engineering fundamentals including design patterns, separation ofconcerns, scalable architecture, and pragmatic trade-offs.
• Experience with agentic or AI-assisted development workflows such asspec-driven development, agent-driven development using tools like Claude Codeor Codex, or similar AI coding agent practices.
• Demonstrated ability to build products that incorporate AI capabilitiesincluding prompt design, LLM API integration, or AI-augmented user experiences.

Preferred Qualifications

• Azure certifications and/or Microsoft certifications.
• Experience with event-based and distributed systems including messagingand asynchronous workflows.
• Data and persistence experience with SQL Server and ORMs (EntityFramework, nHibernate) plus caching strategies.
• Strong testing discipline including TDD and BDD, xUnit, Jest or Mocha,CI/CD automation, and quality gates.
• Experience building analytics and reporting with BI and datavisualization tools and domain-specific reporting.
• Exposure to mobile ecosystems (iOS and Android) and API designsupporting mobile clients.
• Experience with prompt engineering patterns, RAG architectures, vectordatabases, or AI orchestration frameworks (e.g., LangChain, Semantic Kernel,Azure AI Services).
• Familiarity with AI code generation and review workflows, includingevaluating and curating AI-generated code for production readiness.
• Experience contributing to or building AI-augmented internal tools,developer experience tooling, or intelligent automation within engineeringworkflows.

Technical Skills We Value

• Frontend: Next.js, React, TypeScript, HTML, CSS, SPA architecture,performance and accessibility
• Backend: C#, ASP.NET, WebAPI, RESTful design, authentication andauthorization patterns
• Engineering practices: Git-based workflows, secure SDLC, spec-drivendevelopment, AI-assisted code reviews, automated testing, documentation
• AI-enabled delivery: agentic development using Claude Code, Codex, orsimilar AI coding agents; spec-driven development workflows; promptengineering; LLM API integration; RAG patterns; AI orchestration frameworks;responsible AI practices and observability

What Success Looks Like

• Delivers complex features end-to-end with high quality, predictabletimelines, and production readiness.
• Produces clean, maintainable code—whether hand-written or AI-generated withstrong test coverage and clear documentation.
• Identifies and resolves performance, reliability, and security issuesbefore they reach production.
• Contributes meaningfully to architecture and raises standards throughcode reviews and technical leadership.
• Communicates clearly, flags risks early, and collaborates effectivelyacross teams.
• Effectively leverages agentic development tools and AI-augmentedworkflows to increase velocity while maintaining quality and securitystandards.

Education

• Bachelor’s degree in Computer Science, Engineering, or related fieldrequired.