.NET Developer

TEKsystems; United States; Hybrid; USD 55,000 - 76,000; Full time

Job summary

TEKsystems is seeking a Developer II to independently program enhancements and document moderately complex requirements in a hybrid Philadelphia, PA setting. You will mentor junior developers, design algorithms, and drive CI/CD and deployment activities for projects in a mature .NET/React stack.

The role emphasizes strong communication, problem solving, and the ability to work with internal and external partners to deliver high-quality software in a contract environment.

Qualifications

• 5-8 years developing in listed technology.
• Bachelor's degree in relevant field or equivalent work experience.
• Proficient in ASP.Net and .NET Framework, C#, SQL, JavaScript, Entity Framework, and related skills; growing proficiency in React and ASP.NET Core.

Responsibilities

• Collaborate with partners to gather, document, and clarify requirements independently.
• Independently design algorithms, workflows, and system documentation for projects.
• Produce efficient, high-quality code and conduct testing and deployment activities.
• Diagnose and resolve moderate to complex production issues without supervision.
• Drive technical documentation for workflows, processes, and architectural changes.
• Lead small technical initiatives and recommend software improvements.
• Mentor Developer I and Junior Developers and review their work.

Skills

C#

Sql

ASP.NET

entity framework

React

Tools

Blazr

React

Job description

Description

The Developer II is responsible for independently programming enhancements, gathering and documenting moderately complex requirements, resolving production issues self-reliantly, improving documentation standards, and mentoring Developer I and Junior Developers. Expected to demonstrate strong intermediate to nearing advanced technical proficiency and professional soft skills.Essential Responsibilities:Collaborate with internal and external partners to gather, document, and clarify requirements independently.Independently design algorithms, workflows, and system documentation for assigned projects.Produce efficient, high-quality code and conduct thorough testing and deployment activities.Diagnose and resolve moderate to complex production issues without supervision.Drive technical documentation for workflows, processes, and architectural changes.Lead small technical initiatives and recommend software improvements proactively.Actively mentor and review work from Developer 1 and Junior Developer team members.Demonstrate initiative in learning and applying modern development methodologies and technologies.Independently identify skill gaps and request training or resources to support professional growth and project needs.Technical Skills:Demonstrated proficiency in: ASP.Net and Dot Net Framework, C#, SQL, JavaScript, Entity Framework, and related skills.Growing proficiency in: REACT, ASP.NETCORE, Design Patterns, DevOps integration and CI/CD pipelinesCore Skills:Communication skills: proficient in writing clear, concise documents and communicating with both technical and nontechnical team membersOrganizational skills: able to work on more than one assignment or project concurrentlyAnalytical and critical thinking skill: able to problem solve and consider multiple angles or impacts, including future use casesAbility to adapt: able to change direction and innovateIndependence: works independently and seeks help from peers and leaders as appropriateCuriosity: interested in understanding existing and emerging technology, interested in the business benefit and purpose of solutionsRequirements:Education: Bachelors Degree in relevant field or equivalent work experienceExperience: 5-8 years developing in listed technology.

Skills

C#, Sql, ASP.NET, entity framework, React

Top Skills Details

C#,Sql,ASP.NET,entity framework,React

Additional Skills & Qualifications

Blazr and React

Experience Level

Intermediate Level

Job Type & Location

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

Pay and Benefits

The pay range for this position is $40.00 - $55.00/hr.

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.

Eligibility requirements apply to some benefits and may depend on your jobclassification and length of employment. Benefits are subject to change and may besubject to specific elections, plan, or program terms. If eligible, the benefitsavailable for this temporary role may include the following:Medical, dental & visionCritical Illness, Accident, and Hospital401(k) Retirement Plan Pre-tax and Roth post-tax contributions availableLife Insurance (Voluntary Life & AD&D for the employee and dependents)Short and long-term disabilityHealth Spending Account (HSA)Transportation benefitsEmployee Assistance ProgramTime Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a hybrid position in Philadelphia,PA.

Application Deadline

This position is anticipated to close on Oct 7, 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

Were 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. Were 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. Were strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Were 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.