Senior Full Stack Developer

Senior Full Stack Developer (.NET / Angular) About the Project TEKsystems’ client develops and maintains mission‑critical software for a large U.S.-based importer/exporter. The platform enables customers to move goods into and out of the country by supporting: • Shipment logistics • Regulatory compliance • Tariffs, taxes, fees, and rebates • Issue tracking and support for shipment-related problems This role supports a long-standing, enterprise-level platform that serves as one of the organization’s core product offerings and continues to be actively enhanced and maintained. Position Overview The Senior Full Stack Developer will be responsible for full stack development and ongoing maintenance of a complex enterprise application. This individual will play a key role in designing, building, and supporting scalable systems while working closely with a small, collaborative team. Key Responsibilities • Maintain a high level of proficiency in company-directed advanced technologies and development methodologies for assigned applications. • Apply advanced systems analysis and design skills to create flexible, scalable solutions to complex business problems. • Clearly and effectively communicate technical solutions to team members, business stakeholders, management, and cross-functional project teams. • Utilize proven project management practices to plan, track, and report on project status. • Proactively identify, communicate, and mitigate risks while managing customer and leadership expectations. • Participate in the evaluation of new tools, technologies, and methodologies, and assist with their initial adoption. • Maintain high personal productivity and quality standards while helping teammates and the broader organization improve processes and outcomes. • Adapt positively to change and encourage others to do the same. • Operate with a strong sense of urgency, emphasizing action and rapid issue resolution. • Foster collaboration, build consensus, and effectively resolve conflicts. Required Skills, Knowledge & Experience • 10+ years of U.S. industry experience with .NET Core • 10+ years of U.S. industry experience with C# • 7+ years of U.S. industry experience with Angular • Currently using a modern Angular version (flexible on specific version experience) • 10+ years of experience building APIs from scratch • 10+ years of experience designing and building microservices from scratch • Demonstrated ability to work independently, take direction well, and communicate clearly • Strong preference for candidates from small team environments (approximately 3–10 people) Core Technologies • Angular • C# / .NET • SQL • Microservices Architecture • RESTful APIs • Full Stack Development Experience Level Expert Job Type & Location This is a Contract position based out of Kansas City, MO. Pay and Benefits The pay range for this position is $55.00 - $69.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a fully remote position. Application Deadline This position is anticipated to close on Apr 21, 2026. h4>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.