Senior Full-Stack Engineer (Back-End Focus) - Software at Truelogic

ABOUT TRUELOGIC At Truelogic we are a leading provider of nearshore staff augmentation services headquartered in New York. For over two decades, we’ve been delivering top-tier technology solutions to companies of all sizes, from innovative startups to industry leaders, helping them achieve their digital transformation goals. Our team of 600+ highly skilled tech professionals, based in Latin America, drives digital disruption by partnering with U.S. companies on their most impactful projects. Whether collaborating with Fortune 500 giants or scaling startups, we deliver results that make a difference. By applying for this position, you’re taking the first step in joining a dynamic team that values your expertise and aspirations. We aim to align your skills with opportunities that foster exceptional career growth and success while contributing to transformative projects that shape the future. OUR CLIENT A leading provider of cloud-based solutions that empower public institutions to modernize and streamline their operations. With over two decades of experience, this organization builds technology that enhances efficiency, fosters transparency, and improves how people serve their communities. JOB SUMMARY We’re looking for a Senior Full Stack Engineer with experience in .NET ecosystem to help build scalable, secure, and high-performance SaaS applications. This role involves hands-on development, implementation, troubleshooting, and a focus on architecture & design, planning, and AI-powered workflows. RESPONSIBILITIES - Develop and maintain scalable SaaS applications using C#, .NET, SQL Server, and legacy WebForms/jQuery. - Build and enhance server-rendered web interfaces with HTML, CSS, and JavaScript. - Write, optimize, and maintain complex SQL queries, stored procedures, and database schemas. - Design secure, performant data access layers and database solutions aligned with best practices. - Implement and evolve APIs, including GraphQL services, within existing system architectures. - Contribute to architecture decisions, technical planning, and incremental platform improvements. - Write unit and integration tests, and debug issues across the full stack to ensure quality releases. - Perform performance tuning for SQL and application code to improve speed and reliability. - Partner in the modernization of legacy WebForms modules, refactoring toward more maintainable patterns. - Work with AWS services (EC2, S3, SES) to support cloud infrastructure and operational needs. - Troubleshoot production incidents, conduct root-cause analysis, and strengthen system reliability. - Use AI-assisted development tools (e.g., Copilot, Claude Code, Cursor) to accelerate delivery while maintaining code quality. QUALIFICATIONS AND JOB REQUIREMENTS - 5+ years of professional experience building web applications with C# or VB.NET [Upgrade to PRO to see link] SQL, and JavaScript. - Hands-on experience with relational databases and performance-sensitive SQL, including stored procedures. - Strong working knowledge of SQL Server, including query performance fundamentals (e.g., indexing, optimization). - Solid understanding of traditional web fundamentals: HTML and CSS. - Proven ability to troubleshoot, debug, and optimize application and database performance. - Experience writing unit and integration tests and contributing to quality-focused engineering practices. - Comfortable working in a Shift Left development environment, with a focus on preventing defects early. - Self-driven, ownership-oriented, and able to collaborate effectively across cross-functional teams. WHAT WE OFFER - 100% Remote Work: Enjoy the freedom to work from the location that helps you thrive. All it takes is a laptop and a reliable internet connection. - Highly Competitive USD Pay: Earn an excellent, market-leading compensation in USD, that goes beyond typical market offerings. - Paid Time Off: We value your well-being. Our paid time off policies ensure you have the chance to unwind and recharge when needed. - Work with Autonomy: Enjoy the freedom to manage your time as long as the work gets done. Focus on results, not the clock. - Work with Top American Companies: Grow your expertise working on innovative, high-impact projects with Industry-Leading U.S. Companies. WHY YOU’LL LIKE WORKING HERE - A Culture That Values You: We prioritize well-being and work-life balance, offering engagement activities and fostering dynamic teams to ensure you thrive both personally and professionally. - Diverse, Global Network: Connect with over 600 professionals in 25+ countries, expand your network, and collaborate with a multicultural team from Latin America. - Team Up with Skilled Professionals: Join forces with senior talent. All of our team members are seasoned experts, ensuring you're working with the best in your field. Apply now!