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Jahnel Group · 1 month ago

Senior Software Developer (SQL, C#)

Greenville, South Carolina, United States

Full-time

Onsite

Senior Level

LTI (Logic Technology, Inc.) is a technology solutions provider with a strong reputation for Leadership, Technology, and Integrity. They are seeking a Senior Software Developer to build and maintain robust, scalable enterprise applications, focusing on SQL and C# while collaborating with cross-functional teams to deliver high-impact software solutions.

Information TechnologyProduct DesignSoftware

Growth Opportunities

H1B Sponsor Likely

Responsibilities

Design, develop, and maintain complex enterprise applications primarily on the back-end using heavy utilization of SQL and C#/.NET

Act as a primary technical contributor on multiple active projects, delivering high-quality, high-performance code, especially focused on data access and business logic layers

Architect, optimize, and maintain complex SQL database schemas, stored procedures, and queries for performance and scalability

Define and enforce best practices through meticulous code reviews, ensuring adherence to C# and SQL engineering standards

Collaborate closely with product owners, business stakeholders, and cross-functional teams to refine requirements and translate them into robust, maintainable solutions

Participate in architectural design discussions and contribute to long-term technical planning, focusing on data integrity and high-transaction systems

Troubleshoot and resolve complex application issues, with a strong emphasis on optimizing SQL query execution and C# application performance

Provide technical guidance and mentorship to junior and mid-level developers on C# best practices and advanced SQL techniques

Contribute to technical documentation, support development standards, and adhere to agile delivery processes

Work with cloud, virtualization, and automation technologies where applicable

Contribute to continuous improvement initiatives related to tooling, processes, and technical capability

Qualification

SQLC#.NETSoftware architecture patternsPerformance tuningAngularJSAnalytical thinkingCollaboration skillsCommunication skillsProblem-solving skills

Required

Highly proficient in SQL, including advanced schema design, indexing strategies, complex query optimization, performance tuning, and T-SQL/stored procedure development

Expert hands-on experience with C# and .NET (e.g., .NET Framework, .NET Core/5+)

Demonstrated experience as a senior contributor or technical mentor on large-scale software projects

Solid understanding of software architecture patterns (e.g., Layered Architecture, Repository Pattern) and modern development practices

Experience working in enterprise or large-scale, security-conscious environments

Exceptional collaboration skills in a team-focused setting

Strong communication, analytical thinking, and advanced problem-solving skills

Preferred

Familiarity with AngularJS is a desirable but not primary qualification

Company

Jahnel Group

Jahnel Group is a computer software company that specializes in software development, project management, and UX design services.

Founded in 2009

Schenectady, New York, USA

51-200 employees

https://jahnelgroup.com

H1B Sponsorship

Jahnel Group has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2024 (1)

2021 (2)

2020 (2)