Senior Full Stack ASP.NET WebForms Developer | ERP & Enterprise Systems

About WEBLET

WEBLET is an advanced B2B SaaS platform for managing and optimizing complex field operations, distribution, logistics, transportation, field service and field sales.

The platform provides large enterprises with real-time visibility, operational control and AI-driven optimization. WEBLET supports drivers, technicians, distribution teams, field sales representatives and other mobile workforces across smartphones, tablets, laptops and desktop computers.

WEBLET is looking for an experienced Senior Full Stack ASP.NET Developer to join our development team and work on the continued development of a complex enterprise software platform.

The role includes developing and maintaining database-driven web applications using Microsoft technologies, with responsibility for both client-side and server-side development.

The developer will work on new functionality, existing modules, business processes, system integrations, database components, troubleshooting and performance improvements.

WEBLET is based on Progressive Web App technology and supports smartphones, tablets, laptops and desktop computers through an existing cross-platform infrastructure.

This is an on-site position at WEBLET’s offices in BSR Tower 4, Bnei Brak, near the Red Line of the light rail.

Experienced freelancers may also be considered for ongoing collaboration, subject to relevant availability and experience.

• At least 5 years of professional Full Stack web development experience

• Strong hands-on experience with ASP.NET and C#

• Proven experience developing complex database-driven web applications

• Strong experience with ASP.NET WebForms

• Strong client-side development skills using JavaScript, jQuery, Ajax, CSS, HTML5, IndexedDB and Local Storage

• Strong server-side development skills

• Strong understanding of Object-Oriented Programming principles

• Hands-on experience with WebMethods and Web Services

• Strong SQL Server knowledge

• Ability to understand and write complex SQL queries

• Experience with Stored Procedures, Triggers and SQL Functions

• Experience working with Progressive Web Apps

• Familiarity with Design Patterns

• Knowledge of application and information security principles

• Experience using Git version control system

• Ability to work on-site at our offices in BSR Tower 4, Bnei Brak, near the Red Line of the light rail

• Experience developing complex B2B SaaS or enterprise software systems

• Experience with logistics, distribution, transportation, field service or field operations software

• Experience working for a software product company or software house developing complex B2B enterprise applications

• Experience working with Claude Code or OpenAI Codex

• Experience with RESTful APIs and JSON

• Experience with system integrations and backend services

• Experience working with additional relational databases

• Experience configuring and maintaining IIS environments

• Bachelor’s degree in Computer Science, Software Engineering, Information Systems or a related field, or equivalent professional experience

This position is particularly suitable for experienced developers who have worked on complex operational, logistics, distribution, transportation or field service platforms and are comfortable maintaining and extending established enterprise systems.