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Weekday AI (YC W21)

Senior Software Engineer

Weekday AI (YC W21), Illinois City, Illinois, United States, 61259

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This role is for one of the Weekday's clients.

Min Experience: 6 years

Location: Illinois

Job Type: full-time

We are seeking a highly skilled and motivated

Senior Software Engineer

to design, develop, and implement innovative software solutions that meet business and user needs. The ideal candidate will have strong expertise in

C#.NET, MVC, and JavaScript , along with a deep understanding of software architecture, performance optimization, and scalable development practices. This role involves working collaboratively with cross-functional teams to deliver high-quality, efficient, and maintainable code that aligns with organizational goals. You will play a key role in technical decision-making, mentoring junior engineers, and driving continuous improvement across the development lifecycle.

Key Responsibilities

Design, develop, and maintain robust web applications using C#.NET, MVC, and JavaScript frameworks

Collaborate with product managers, designers, and QA teams to translate business requirements into technical solutions

Develop and implement clean, efficient, and reusable code following industry best practices and design patterns

Ensure software scalability, performance, and security through code optimization and testing

Participate in architectural discussions, providing insights on technology selection, design trade-offs, and scalability strategies

Debug, troubleshoot, and resolve software defects in a timely and efficient manner

Conduct code reviews to ensure adherence to coding standards and promote continuous learning within the team

Integrate APIs and third-party services to enhance system capabilities and improve user experience

Collaborate with DevOps and QA teams to streamline deployment pipelines and automate testing processes

Stay up to date with emerging technologies, frameworks, and development methodologies to improve product quality and team efficiency

Provide technical mentorship and guidance to junior developers, fostering a culture of innovation and excellence

Work closely with stakeholders to ensure project timelines, deliverables, and quality standards are consistently met

What Makes You a Great Fit

6+ years of experience in software development, with a strong focus on C#.NET, MVC, and JavaScript

Proven track record in designing and developing enterprise-grade web applications

Solid understanding of object-oriented programming (OOP) principles, software architecture, and design patterns

Experience working with databases such as SQL Server, including query optimization and stored procedures

Strong problem-solving skills with the ability to analyze complex technical issues and implement effective solutions

Excellent knowledge of front-end development using modern JavaScript frameworks and libraries

Familiarity with RESTful APIs, JSON, and asynchronous programming

Experience with version control systems (Git) and agile development practices

Strong communication and collaboration skills to work effectively across teams and stakeholders

A proactive mindset with a passion for learning and adopting new technologies

Ability to balance multiple priorities while maintaining attention to detail and code quality

Self-driven, organized, and capable of leading by example in a fast-paced development environment

Referrals increase your chances of interviewing at Weekday AI (YC W21) by 2x

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