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Saif Abdallah

@saifabdallah

.NET Software Engineer at EITECH who developed a travel booking platform and integrated RateHawk across the booking cycle.

Tunisia

Message

What I'm looking for

I'm open to new opportunities and to relocating to Switzerland. I require work permit sponsorship.

At EITECH, I developed and evolved a web platform for partner travel agencies using C# and ASP.NET Core. I integrated RateHawk across hotel search, availability, and booking confirmations, and optimized PostgreSQL queries and indexing to improve API response times.

I containerized services with Docker and automated deployments through GitLab CI/CD and Azure. I also set up New Relic monitoring and worked with the design team to turn Figma mockups into reusable web components.

At ERNST, I developed a payroll management SaaS platform covering salaries, contributions, and regulatory reporting, and secured its APIs with JWT and permission management. Earlier, I developed a SIM card management application for a telecom client using .NET and React, and deployed it on Microsoft Azure.

Experience

Work history, roles, and key accomplishments

.NET Developer

EITECH

Oct 2025 - Sep 2026 (11 months)

Developed and evolved a scalable web platform for partner travel agencies using C# / ASP.NET Core and REST APIs. Integrated the RateHawk API, optimized PostgreSQL performance, and containerized services with Docker.

C#ASP.NET Core PostgreSQL Docker Gitlab CI Azure New Relic Claude Code MCP Figma REST APIs

Full-Stack .NET & DevOps Developer

ERNST

Feb 2025 - Jul 2025 (5 months)

Developed a payroll management SaaS platform covering salaries, contributions and regulatory reporting. Designed and developed the backend using ASP.NET Core MVC and Dapper, and automated release pipelines with GitHub Actions.

ASP.NET Core MVC Dapper PostgreSQL GitHub Actions JWT Docker Compose New Relic Claude Copilot

React.js & Next.js Developer

YperSkills

Jun 2024 - Aug 2024 (2 months)

Developed an e-commerce platform using React / Next.js / TypeScript. Integrated Stripe with secured webhooks and idempotency handling.

Next.js React TypeScript Stripe API Webhooks MongoDB Chart.Js Figma

ASP.NET Core Developer

CodeAlpha

Jan 2024 - May 2024 (4 months)

Developed an HR dashboard and an Applicant Tracking System (ATS). Implemented multi-criteria search with SQL and secured APIs with JWT, CORS and RBAC.

ASP.NET Core JWT CORS SQL Server REST APIs RBAC

Full-Stack .NET Developer

ERNST

Jul 2022 - Dec 2023 (1 year 5 months)

Developed a SIM card management application for a telecom client using .NET and React. Containerized services with Docker and deployed on Microsoft Azure.

.NET ASP.NET Core React Docker Azure Jira

Angular & Laravel Developer

NACHD-IT

Feb 2022 - Jun 2022 (4 months)

Developed a municipal e-voting and citizen project-tracking platform using Angular and Laravel. Integrated Figma mockups and optimized loading with lazy loading.

Angular Laravel PHP MySQL JWT Figma

Angular Developer

CreativeMedia / FalconGraf

Jan 2020 - Dec 2021 (1 year 11 months)

Optimized front-end performance with lazy loading and image compression. Built an e-commerce solution with product, order and cart management using REST API.

Angular Commerce.Js REST APIs JSON Server Figma