Senior Full Stack Sitecore Developer

TEKsystems

Philadelphia (Philadelphia County)

On-site

USD 92,000 - 138,000

Full time

42 hours ago
Be an early applicant

A complete application in a minute

Tailored resume and cover letter, ready to send.

Get past ATS filters

Benefits offered by this job

Medical, dental & vision
401(k)/Roth
Life & AD&D insurance
Short/long-term disability
HSA & DCFSA
Transportation benefits
Employee Assistance Program
Tuition Assistance
Paid Time Off

Job summary

One North, part of TEKsystems, seeks a Senior Developer to drive project implementation across back-end technologies, review client applications, and guide developers on solutions. Based in Chicago area preferred, open to remote locations across the U.S. and Canada.

You will lead initiatives without direct people management, developing leadership capabilities and delivering high-performing website builds. You will partner with clients and internal teams to create scalable, progressive web

Qualifications

  • 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 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)
  • 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

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.
  • 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.

Skills

Agency/consultancy experience
Lead developer guidance
Client collaboration
Team leadership

Tools

.NET MVC
ASP.NET
HTML5
CSS3 (SASS)
Git
MongoDB
SQL Server
DevOps tooling
Sitecore / SitecoreAI
WordPress
Drupal
Adobe AEM
Headless architectures

Job description

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 worlds 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, youll 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.

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 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)

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

Job Type & Location

This is a Permanent position based out of Philadelphia, PA.

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.

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)
Application Deadline

This position is anticipated to close on Nov 19, 2026.

Get your free, confidential resume review.

or drag and drop your file here.

Similar jobs

Similar jobs worth comparing

Senior Developer
Senior Developer

TEKsystems • Chicago (IL)

Remote
USD 92,000 - 138,000
Medical, dental & vision
401(k)/Roth
Insurance (Life & AD&D)
+6
Senior Developer
Senior Developer

TEK Systems • Chicago (IL)

Remote
USD 92,000 - 138,000
Medical, dental & vision
401(k)/Roth
Life & AD&D insurance
+2
Senior Sitecore Developer (Contractor)
Senior Sitecore Developer (Contractor)

Horizontal Inc. • United States

Remote
USD 13,000 - 26,000
Sr. IT Web Platform Developer - Sitecore (Must be unconditionally authorized towork in US)
Sr. IT Web Platform Developer - Sitecore (Must be unconditionally authorized towork in US)

Atkore International • Dallas (TX)

On-site
USD 105,000 - 144,000
Medical, Vision, Dental
401k
Paid Time Off
+1
Sr. IT Web Platform Developer - Sitecore (Must be unconditionally authorized towork in US)
Sr. IT Web Platform Developer - Sitecore (Must be unconditionally authorized towork in US)

Atkore International • Mokena (IL)

On-site
USD 105,000 - 144,000
Medical, vision, dental insurance
401k
Paid Time Off
Sr. IT Web Platform Developer - Sitecore (Must be unconditionally authorized to work in US)
Sr. IT Web Platform Developer - Sitecore (Must be unconditionally authorized to work in US)

Atkore • Dallas (TX)

On-site
USD 105,000 - 144,000
Medical, vision, dental insurance
Life insurance
Disability insurance
+4
Sr. IT Web Platform Developer - Sitecore (Must be unconditionally authorized to work in US)
Sr. IT Web Platform Developer - Sitecore (Must be unconditionally authorized to work in US)

Atkore International • Dallas (TX)

On-site
USD 105,000 - 144,000
Medical, vision, dental insurance
401k and benefits
Senior Sitecore Developer
Senior Sitecore Developer

Spectraforce Technologies, Inc. • Richardson (TX)

Hybrid
USD 120,000 - 150,000
Sitecore Developer Lead (Remote)
Sitecore Developer Lead (Remote)

Cedent • United States

Hybrid
USD 55,104 - 82,656
Health Insurance
Dental Insurance
Vision Insurance
Sr. IT Web Platform Developer - Sitecore (Must be unconditionally authorized to work in US)
Sr. IT Web Platform Developer - Sitecore (Must be unconditionally authorized to work in US)

Atkore International • Mokena (IL)

On-site
USD 105,000 - 144,000
Medical, vision & dental
401(k)
Paid time off
+2