Lead Application Architect / Full-Stack Application Engineer

Proof of Skill; Hyderabad; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

Chryselys in Hyderabad, India invites an experienced Lead Application Architect / Full-Stack Application Engineer to design the core architecture for enterprise applications, including workflows, data models, APIs, and security controls.

You will drive SOA-style patterns, define RBAC-based access, work with front-end teams, and ensure scalable, secure, and maintainable software across cloud-native platforms with AWS experience.

Qualifications

• 5+ years of production application design and development.
• Strong domain modeling, business logic, and SOA design.
• Experience with cloud platforms (AWS) and relational databases.

Responsibilities

• Design end-to-end application architecture across front-end, back-end, services, databases, and integrations.
• Define application domains, workflows, business rules, data models, and relationships.
• Design database schemas, persistence strategies, migrations, and data-access patterns.
• Build secure authentication and authorization models, including RBAC, permissions, roles, and access policies.
• Design APIs and service contracts for communication between application components and external systems.
• Establish patterns for validation, error handling, auditability, logging, and transactional integrity.
• Develop application services and backend logic using technologies such as Python, Java, C#, or Node.js.
• Partner with front-end developers to define how user interfaces interact with application services and permissions.
• Ensure applications meet enterprise requirements for security, scalability, reliability, and maintainability.
• Contribute to technical standards, architecture documentation, code reviews, and engineering best practices.

Skills

Application architecture

RBAC security

REST API design

AWS

Frontend boundaries

CI/CD

Backend languages

Tools

AWS

Relational databases

Job description

Lead Application Architect / Full-Stack Application Engineer

Chryselys is a Great Place to Work Certified Pharma Analytics & Business consulting company that delivers data-driven insights leveraging AI-powered, cloud-native platforms to achieve high-impact transformations. We specialize in digital technologies and advanced data science techniques that provide strategic and operational insights.

Role Summary

We are seeking an Application Architect to design and build the core architecture of enterprise applications, including application workflows, business logic, data models, APIs, authentication, and role-based access control (RBAC). This role will translate business requirements into secure, scalable, and maintainable technical solutions.

Responsibilities

• Design end-to-end application architecture, including front-end, backend, services, databases, and integrations.
• Define application domains, workflows, business rules, data models, and relationships.
• Design database schemas, persistence strategies, migrations, and data-access patterns.
• Build secure authentication and authorization models, including RBAC, permissions, roles, and access policies.
• Design APIs and service contracts for communication between application components and external systems.
• Establish patterns for validation, error handling, auditability, logging, and transactional integrity.
• Develop application services and backend logic using technologies such as Python, Java, C#, or Node.js.
• Partner with front-end developers to define how user interfaces interact with application services and permissions.
• Ensure applications meet enterprise requirements for security, scalability, reliability, and maintainability.
• Contribute to technical standards, architecture documentation, code reviews, and engineering best practices.

Qualifications

• 5+ years of experience designing and developing production applications.
• Strong understanding of application architecture, domain modeling, business logic, and service-oriented design.
• Hands-on experience designing relational databases, schemas, queries, and data access layers.
• Experience implementing authentication, authorization, RBAC, permissions, and security controls.
• Strong API design experience, including REST and event-driven integrations.
• Experience with cloud platforms, preferably AWS.
• Proficiency in one or more backend programming languages.
• Familiarity with modern front-end frameworks and the ability to define clear front-end/backend boundaries.
• Experience with testing, CI/CD, observability, and production operations.
• Strong communication skills and the ability to translate business needs into technical designs.

Preferred

• Experience building enterprise, healthcare, pharmaceutical, or other regulated applications.
• Familiarity with audit trails, data governance, privacy, and compliance requirements.
• Experience integrating GenAI or agentic capabilities into traditional application architectures.
• Knowledge of AWS services for application hosting, databases, identity, and APIs.