Senior Developer

One North is a digital experience agency that combines curiosity, scale, and agility to shape the future. As part of TEKsystems, a leading provider of business and technology services, we offer boutique solutions to solve complex problems. Our multidisciplinary teams of strategists, designers, and technologists excel in research and discovery, experience strategy, design, experience management, and technology implementation. Whether clients are establishing a vision for an experience or optimizing an existing one, we help businesses understand their audiences, design experiences, maximize technology, and bring their digital ideas to life. The world’s most successful companies rely on us to forge the future through electrifying work that sparks innovation and drives results.

Here’s what the opportunity supported through our TEKsystems Global Services (TGS) Talent Acquisition Team requires:

About You

You’re a technologist with advanced expertise in building and directing digital brand experiences across a complex portfolio of clients and projects. As Senior Developer, you bring experience in creating solutions as well as directing developers on solutions to be implemented.

You regularly drive team camaraderie, bringing empathy to create safe spaces for taking risks and healthy debate. You bring a pragmatic and practical approach, reducing problems/impact across the team. You’re the Senior Developer teams dream of.

The Opportunity

As our next Senior Developer, you will drive project implementation and strategy, working across back-end technologies to advance progressive, responsive, and high-performing website builds. Partnering closely with clients and internal teams, you will review, develop, and implement technical client applications. As part of acting as the Lead on these initiatives, you are responsible for creating solutions and/or directing developers on the solutions to be implemented.

Although you will not directly manage people, you’ll play a lead role on projects, requiring ongoing development of leadership capabilities. You will actively develop self-awareness capabilities and regularly seek feedback from diverse perspectives, applying feedback to support your growth and development.

This role will ideally be based in the Chicago area, but we are open to remote locations across the U.S. and Canada.

Core Responsibilities

• Participate in the implementation, testing, and support of web-based projects.

• Engineer solutions for performance, maintainability, and efficiency, while also creating beautiful end-user experiences.

• Be a primary contributor to the testing process and provide issue fixes as needed.

• Improve solutions to reduce technical debt, optimize applications, and investigate and architect improvements for feature updates.

• Utilize your deep knowledge of the .NET page lifecycle/MVC, including object-oriented programming concepts, browser compatibility considerations, and web performance optimization tools.

• Nurture and mentor new members of the Technology team.

• Successfully lead other developers in developing web solutions.

• Recommend and consult with high-profile clients on projects of varying size/scope.

Power Skills

• Customer Focus: Builds strong customer relationships and solutions.

• Plans & Aligns: Plans and prioritizes to meet commitments and org goals.

• Communicates Effectively: Communicates with clarity, addressing audience needs.

• Self-Development: Proactively seeks L&D opportunities for growth.

• Cultivates Innovation: Creates new and better ways for the organization to be successful.

• Drives Results: Consistently achieves results, even under tough circumstances.

• Collaborates: Builds partnerships and works collaboratively to meet shared objectives.

• Adaptability: Adapts approach in real-time to meet shifting demands of different situations.

Required Experience

• Development experience in an agency or consultancy (minimum 3 years of experience)

• Expert in .NET MVC, ASP.NET (minimum 3 years of experience)

• Experience with HTML5, CSS3 (SASS) (minimum 3 years of experience)

• Experience with JavaScript, Node.JS, and frameworks (Vue.JS/React) (minimum 3 years of experience)

• Experience with Git (minimum 3 years of experience)

• An understanding of enterprise software development best practices (minimum 3 years of experience)

• Experience with MongoDB and SQL Server (minimum 1 year of experience)

• Broad knowledge of capabilities across different browsers and devices

• Previous work with DevOps tooling and management

• Expertise with Sitecore / SitecoreAI (minimum 3 years of experience)

• Extensive use of other modern CMS systems (WordPress, Drupal, Adobe AEM, or similar) (minimum 3 years of experience)

• Experience in reviewing and handling complex support issues (minimum 3 years of experience)

• Experience with headless architectures

*Don’t check all the boxes? We encourage you to apply anyway. We know smarts grow from a breadth of experiences. Don’t disqualify yourself before you have the chance to be considered. We’d love to meet you.

Job Type & Location

This is a Permanent position based out of Chicago, IL.

Pay and Benefits

The pay range for this position is $91700.00 - $137500.00/yr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

We reserve the right to pay above or below the posted wage based on factors unrelated to sex, race, or any other protected classification. Additional earnings may be available through incentive programs like annual bonuses, profit sharing, etc. Benefits are subject to change and may be subject to specific elections, plan or program terms. Our benefit plans include the following: · Medical, dental & vision · 401(k)/Roth · Insurance (Basic/Supplemental Life & AD&D) · Short and long-term disability · Health & Dependent Care Spending Accounts (HSA & DCFSA) · Transportation benefits · Employee Assistance Program · Tuition Assistance · Time Off/Leave (PTO, Paid Family Leave)

Workplace Type

This is a fully remote position.

Application Deadline

This position is anticipated to close on Sep 14, 2026.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.