Weekend Software Developer Jobs in Saint Petersburg, FL

FrankCrum is a Top Workplace!
FrankCrum, voted by its employees as a Top Workplace in Tampa Bay for more than 10 years in a row, is a Professional Employer Organization (PEO) based in Clearwater, Florida. FrankCrum employs approximately 500 people who serve over 4,000 businesses by offering a full range of HR services, including payroll, employee benefits, HR consulting services and workers' compensation insurance. Our PEO is a family culture that encourages people to feel at home, collaborate, and respect each other and we live by our Pillars of Excellence which are Integrity, Prosperity, and Affinity!
Click here to learn more about FrankCrum!
The Role You'll Play to Create Success
We are happy to announce a full-time Senior Software Developer position filled with many exciting opportunities! In this role, you will have the opportunity to contribute to the mission of FrankCrum by supporting and maintaining various reporting-based software applications and systems. This includes developing .NET web applications used in the PEO and Payroll space.
1. Demonstrates proficiency with AI assisted development tools (such as Claude Code or equivalent) and applies them effectively within established team standards and security guidelines.
2. Designs, develops, tests, deploys, and maintains enterprise software applications using Microsoft .NET technologies and related development frameworks.
3. Collaborates with business analysts, Product Owners, and stakeholders to analyze business requirements and develop technical solutions.
4. Develops technical designs, application architecture, and software specifications that align with business and technology standards.
5. Participates in all phases of the Software Development Lifecycle (SDLC), including planning, development, testing, deployment, and production support.
6. Performs code reviews and promotes coding standards, security best practices, and software quality across the development team.
7. Collaborates with QA, Infrastructure, Production Support, and DevOps teams to ensure reliable application delivery and system performance.
8. Identifies technical risks, researches emerging technologies, develops proof of concepts (POCs), and recommends innovative solutions.
9. Troubleshoots complex production issues, serves as an escalation point for technical support, and mentors junior developers.
10. Participates in Agile ceremonies including sprint planning, backlog refinement, daily stand-ups, and retrospectives.
11. Supports application security, compliance, disaster recovery, and business continuity initiatives.
The Attributes We Seek
1. Knowledge of software development principles, object-oriented programming, application architecture, and the Software Development Lifecycle (SDLC).
2. Knowledge of Microsoft development technologies including C#, .NET/.NET Core, ASP.NET, SQL Server, RESTful APIs, and modern web technologies.
3. Knowledge of Agile methodologies, DevOps practices, source control, CI/CD pipelines, and cloud technologies such as Microsoft Azure.
4. Skill in analyzing business requirements, designing scalable software solutions, and developing secure, high-quality applications.
5. Skill in troubleshooting, debugging, and resolving complex application, system, and production issues.
6. Skill in communicating effectively with technical and non-technical stakeholders while building collaborative working relationships across teams.
7. Ability to plan, organize, prioritize, and manage multiple assignments while exercising sound judgment and meeting project deadlines.
8. Ability to mentor team members, adapt to changing technologies and business priorities, and promote continuous improvement and software development best practices.
9. Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related field.
10. Five (5) years of experience with designing, developing, testing, and supporting applications using Microsoft .NET technologies.
11. Experience developing applications using C#, .NET/.NET Core, ASP.NET, SQL Server, RESTful APIs, JavaScript, HTML, CSS, and modern web frameworks such as React or Angular.
12. Experience working within Agile development environments and using source control and project management tools such as Git, Azure DevOps, or similar platforms.
13. Strong understanding of software architecture, object-oriented design principles, relational databases, secure coding practices, and the Software Development Lifecycle (SDLC).
14. Demonstrated ability to troubleshoot complex application issues, develop scalable software solutions, and communicate technical concepts effectively with technical and non-technical stakeholders.
15. Experience mentoring developers, conducting code reviews, and contributing to technical design and solution architecture is preferred.
#LI-GH1
Our Competitive Benefits
Along with this great opportunity, FrankCrum also provides exceptional benefits from top carriers including:

• Health Insurance is zero dollar paycheck cost for employee's coverage and only one hundred and ninety five dollars a month for family!
• Dental and Vision Insurance
• Short Term Disability and Term Life Insurance at no cost to the employee
• Long Term Disability and Voluntary Term Life Insurance
• Supplemental insurance plans such as Accidental, Critical Illness, Hospital Indemnity, Legal Services and Pet Insurance
• 401(k) Retirement Plan where FrankCrum matches 100% of the first 4% the employee contributes, and the employee is immediately vested in the employer match
• Employee Assistance Program at no cost to the employee
• Flexible Spending Accounts for Medical and Dependent Care Reimbursement
• Health Savings Account funded by FrankCrum
• Paid time off and holiday pay
• Education reimbursement up to five thousand two hundred fifty dollars tax free per calendar year
• PTO cash out
• Tickets at Work
• Access to the Corporate America Family Credit Union
• Employee and client referral bonus programs

What's Special About FrankCrum
FrankCrum, a family-owned business-to-business entity since 1981 made of several companies: FrankCrum Corporate (a professional employer organization), FrankCrum Staffing, Frank Winston Crum Insurance Company, and the FrankCrum Insurance Agency - all based in Clearwater, Florida. This "family of employer solutions" employs more than 400 people who serve over 4,000 clients throughout the United States. FrankCrum employees are trained to deliver high value through exceptional customer service and treat clients and coworkers like family. By living by our Brand Pillars (Integrity, Affinity, and Prosperity) employees are recognized at quarterly events for exceptional customer service and milestones in tenure.
The FrankCrum headquarters spans 14 acres and includes a cafe, subsidized for employees. Menus include made-to-order breakfast, hot lunch options and even dinners that can be ordered to-go, all at very affordable prices. The cafe also plays host to monthly birthday and anniversary celebrations, eating and costume contests, and yearly holiday parties. Through the input of its own employees, The Tampa Bay Times has recognized FrankCrum as a Top Place to Work for more than 10 years in a row! FrankCrum also supports several community efforts through Trinity Cafe, the Homeless Empowerment Program, Angel Tree, and Clearwater Free Clinic!
If you want to play this role to positively impact our clients' day-to-day business, then apply now!
FrankCrum is an Equal Opportunity Employer that does not discriminate on the basis of actual or perceived race, color, creed, religion, national origin, ancestry, citizenship status, age, sex or gender (including pregnancy, childbirth and pregnancy-related conditions), gender identity or expression (including transgender status), sexual orientation, marital status, military service and veteran status, physical or mental disability, genetic information, or any other characteristic protected by applicable federal, state or local laws and ordinances.