Full Stack Web Mobile App Developer Jobs in Arizona

Web Developer - Full Stack

TEKsystems is seeking a mid-level to senior-level Web Developer for one of our financial services clients in Honolulu, Hawaii. This individual will join a growing technology team responsible for developing, maintaining, and modernizing customer-facing web applications and supporting services.

This is an excellent opportunity for a developer who enjoys working across the full application stack while helping drive future technology upgrades and web platform modernization initiatives.

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Key Responsibilities

• Design, develop, and maintain responsive web applications and supporting services.
• Build, enhance, and support RESTful APIs that integrate with internal and third-party systems.
• Translate business and user experience requirements into scalable technical solutions.
• Develop and support database-driven applications utilizing SQL Server and relational databases.
• Troubleshoot and resolve software defects, production incidents, and performance issues.
• Participate in code reviews and follow established development standards and best practices.
• Collaborate with business stakeholders, product owners, designers, and development teams throughout the software development lifecycle.
• Optimize applications for performance, security, accessibility, and cross-browser compatibility.
• Support ongoing modernization efforts and future enhancements to web platforms and technology stacks.
• Document application architecture, technical designs, and deployment processes.
• Support software releases and occasionally assist with after-hours deployments or critical production support activities.

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Required Qualifications

• 3+ years of professional web development experience.
• Experience developing and supporting web applications in a professional environment.
• Strong SQL and relational database experience, preferably SQL Server.
• Experience building and consuming RESTful APIs.
• Experience using source control systems such as Git.
• Strong troubleshooting, debugging, and problem-solving skills.
• Experience working in Agile or collaborative software development environments.

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Preferred Qualifications (Nice to Have)

• Experience with ASP.NET or ASP.NET Core.
• Experience with C# development.
• Experience with HTML, CSS, and JavaScript.
• Experience with React, Angular, or Vue.js.
• Experience with Entity Framework.
• Experience with Azure DevOps or CI/CD pipelines.
• Exposure to application modernization or migration initiatives.
• Experience within financial services, banking, or other regulated industries.

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Desired Technical Skills

Core Skills

• Web Development
• SQL Server
• REST APIs
• Git
• Relational Databases

Preferred Technologies

• ASP.NET / ASP.NET Core
• C#
• HTML
• CSS
• JavaScript
• React, Angular, or Vue
• Entity Framework
• Azure DevOps

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What Makes This Opportunity Unique

• Join a growing technology team with significant modernization initiatives on the horizon.
• Opportunity to influence future web architecture and technology decisions.
• Work in a collaborative environment where developers have visibility into both business and technical initiatives.
• Long-term opportunity supporting critical web applications for a well-established financial services organization.
• Help shape the future technology strategy as the organization evaluates bringing greater ownership of its web platforms in-house.

Job Type & Location

This is a Contract to Hire position based out of Phoenix, AZ.

Pay and Benefits

The pay range for this position is $50.00 - $60.00/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 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 hybrid position in Phoenix,AZ.

Application Deadline

This position is anticipated to close on Sep 13, 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.