Sr .NET Engineer

Summary

Senior .NET engineer building and maintaining enterprise SaaS applications using .NET Core, Angular, and SQL Server, with L2/L3 production support and data integration responsibilities.

At Sequoia Connect, we are a Talent-First Technology Ecosystem that redefines how elite professionals interact with the global digital landscape. We move beyond traditional models to act as a catalyst for the top 1% of global talent, connecting human potential with complex industrial execution. By joining our inner circle, you are not simply taking a position; you are aligning with a strategic partner dedicated to updating your "Human OS" and accelerating your growth through world-class, high-impact projects.

We are currently partnering with a global IT powerhouse that represents the connected world through innovative, customer-centric experiences. As a USD 6 billion organization and one of the top 7 IT service providers globally, our client empowers over 1,200 global customers—including several Fortune 500 companies—to "Rise™." With a massive network of 163,000+ professionals across 90 countries, they are at the absolute forefront of digital transformation, leveraging next-generation technologies such as 5G, AI, Blockchain, and Quantum Computing.

This is your chance to thrive in a workplace recognized as one of the most sustainable corporations in the world. You will join an environment that values innovation and societal impact, working on end-to-end digital transformation projects for global leaders. If you are a driven professional looking for global career opportunities and exposure to high-impact projects within an international network of expertise, this is where you belong.

We are currently searching for a Sr .NET Engineer:

  • .NET Developer with 5-10 years of experience in application development,
  • enhancement, and L2/L3 production support. The ideal candidate should have
  • strong expertise in .NET technologies, along with Angular, and experience in data
  • integration, reporting, and application support within enterprise environments.

Key Responsibilities

  • Design, develop, and maintain applications using .NET Framework / .NET Core/ .NET 5+ and Angular
  • Perform modifications, bug fixes, and enhancements to existing homegrown applications
  • Provide L2/L3 production support, including: Incident troubleshooting and resolution o Root Cause Analysis (RCA) o Handling critical production issues within SLA
  • Monitor jobs and ensure smooth production operations (job monitoring & alert handling)
  • Provide end user support and coordinate with stakeholders
  • Support data integration between applications, including: o Data mapping, transformation, and validation o Implementation of controls and reconciliation
  • Develop and maintain reports using SSRS and Power BI
  • Perform system administration and application configuration
  • Maintain audit and compliance documentation
  • Conduct unit testing and QA test documentation
  • Develop and consume REST APIs / Web Services
  • Participate in code reviews, deployments, and release activities
  • Work in an Agile/Scrum environment with cross functional teams
  • Ensure application performance, scalability, and security

Required Skills

  • Strong experience in C#, ASP.NET MVC, ASP.NET Core
  • Hands-on experience with .NET Core / .NET 5+
  • Strong experience in Angular (2+ versions) for front end development
  • Proven experience in L2/L3 production support
  • Experience with incident management tools (ServiceNow or similar)
  • Strong expertise in SQL Server (queries, stored procedures, performance tuning)
  • Knowledge of data integration / ETL concepts
  • Knowledge in SSRS and Power BI
  • Understanding of REST APIs and microservices architecture
  • Familiarity with Git / Azure DevOps / TFS
  • Good understanding of OOPs, SOLID principles, and design patterns
  • Working knowledge of HTML5, CSS3, JavaScript

Must have:

  • .NET Full stack development experience
  • Experience supporting SaaS- based application/products
  • Candidate must have the availability to do support if necessary.
  • Support 24*7 is not required only supporting EST time Zone
  • Agile/Scrum methodology.
  • Very good attitude and wiling to cross-skill

Good To have:

  • Cloud exposure (Azure)
  • Knowledge with any AI platform.

Note:

  • Advanced Oral English.
  • Advanced Spanish.
  • Fully remote


If you meet these qualifications and are pursuing new challenges, start your application on our website to join an award-winning employer. Explore all our job openings | Sequoia Career’s Page: https://www.sequoia-connect.com/careers/

Requirements

Requirements:

  • Advanced English communication skills (written and verbal).
  • Proven senior-level experience in .NET Full Stack development.
  • Solid experience supporting SaaS-based applications or commercial software products.
  • Flexibility to balance new feature development with production support duties.
  • Strong experience working under Agile/Scrum methodologies.