Lead Application Architect, Full-Stack Application Engineer

Chryselys; Hyderabad, Chennai District; Hybrid; INR 2,500,000 - 4,000,000; Full time

Job summary

Chryselys is seeking a Lead Application Architect / Full-Stack Application Engineer in Hyderabad to drive end-to-end architecture across front-end, backend, services, and data stores. You will define domains, data models, and business rules while shaping secure, scalable systems and APIs.

Ideal candidates bring 5+ years building production apps, strong knowledge of architecture, domain modeling, and REST/event-driven integrations.

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.

Responsibilities

• Design end-to-end application architecture across front-end, back-end, services, and data stores.
• Define domains, workflows, business rules, data models, and relationships.
• Design database schemas, migrations, and data-access patterns.
• Build secure authentication and authorization models including RBAC.
• Design APIs and contracts for inter-component and external communications.
• Establish patterns for validation, error handling, logging, and transactions.
• Develop backend logic using Python, Java, C#, or Node.js.
• Coordinate with front-end teams on UI interaction with services and permissions.
• Ensure security, scalability, reliability, and maintainability of applications.
• Contribute to technical standards, architecture documentation, code reviews, and best practices.

Skills

Python

Java

C#

Node.js

REST APIs

CI/CD

Relational databases

RBAC & security

Frontend frameworks

Cloud AWS

Distributed systems

Tools

AWS

Job description

Lead Application Architect / Full-Stack Application Engineer

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.