Senior Software Engineer (Software Development)

Letitbex AI; Hyderabad; On-site; INR 3,000,000 - 5,500,000; Full time

Job summary

Letitbex AI is seeking a Senior Software Engineer to drive full-stack development across C#/.NET and Python, building scalable backend and BFF APIs. You will design REST APIs, implement real-time features with SignalR, and work with MongoDB and MinIO for data storage.

The role requires strong testing practices (Playwright) and a security-first mindset. You will lead technical discussions, perform code reviews, and collaborate with Jira/Confluence for planning and documentation.

Qualifications

• 10+ years of software development experience.
• Strong backend and API design skills.
• Secure coding and enterprise security awareness.
• Experience mentoring small teams.

Responsibilities

• Build full-stack engineering across C#/.NET APIs, Python backend and BFF components.
• Design and consume REST APIs and real-time communication with SignalR.
• Work with MongoDB and MinIO for data storage and retrieval.
• Create unit, component, integration, API and end-to-end tests (Playwright) and integrate tests into pipelines.
• Diagnose issues across frontend, backend, APIs, data storage and deployment environments.
• Apply secure coding principles and manage authentication/authorization in enterprise software.
• Engage in code reviews, design discussions and small-team coordination.
• Utilize Jira and Confluence for requirements, planning and documentation.

Skills

Full-stack engineering

API design & REST

Data technologies

Automated testing

Diagnostics & support

Security principles

Code review & mentoring

Jira & Confluence

Playwright

SignalR

Tools

Jira

Confluence

Playwright

SignalR

Job description

Senior Software Engineer (Software Development)

10+ Years

Full-Time

About Letitbex AI:

Letitbex AI is a fast-growing AI-driven technology company focused on building intelligent, scalable, and enterprise-grade solutions. We work at the intersection of AI, data engineering, cloud, and business transformation, helping organizations unlock real value from artificial intelligence.

Position: Senior Software Engineer

Experience: 10+ Years

Notice Period: Can be considered up 15 Days

Responsibilities

• Full-stack engineering: Strong hands-on proficiency in C#/.NET APIs, Services, Python 3.10 backend and ability to contribute effectively across both service stacks including development of Backend for Frontend(BFF) APIs
• API and integration engineering: Experience designing and consuming REST APIs and at least one real time communication using SignalR
• Data technologies: Experience with relational data in MongoDB, together with object storage such as MinIO
• Automated quality: Strong experience creating unit, component, integration, API and end-to-end tests, particularly with Playwright, and integrating tests into delivery pipelines.
• Diagnostics and support: Ability to diagnose issues across frontend code, backend services, APIs, data storage, logs, infrastructure, and deployment environments.
• Security: Strong knowledge in understanding of secure coding principles, authentication, authorization, token/session handling and cybersecurity expectations for enterprise product software.
• Technical leadership: Experience in code-review, mentoring, design-discussion and small-team coordination capability; strong ownership and autonomy.
• Collaboration tools: Effective use of Jira and Confluence for requirements, planning, defects, decisions and technical documentation.

Desired Skills

• Secure delivery pipeline: Experience with CI/CD automation, container-image creation, automated release processes, dependency and package management, vulnerability scanning, environment configuration and Software Bill of Materials (SBOM) generation.
• Exposure to Kubernetes basics: pods, services, probes, config maps ,logs, infrastructure, deployment environments.
• Knowledge in ELK, Prometheus and Grafana for diagnostics and operational visibility.
• Knowledge in Keycloak integration, role-based access control (RBAC), token handling, authentication flows and session lifecycle management.
• Exposure to scientific, electron-microscopy, medical-device, laboratory, industrial-instrumentation or other device-driven software.