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Freelance Remote Senior Software Developer Jobs in Philadelphia, PA

Envestnet

Senior Software Engineer

Berwyn, PA · On-site +1

$157K - $188K/yr

Description Envestnet Financial Technologies, Inc. seeks Senior Software Engineers in Berwyn, PA ... SQL & NoSQL Database development; and DevOps tooling, including Jenkins and GitLab. Requires 3 ...

Envestnet

Senior Software Engineer

Berwyn, PA · On-site +1

$157K - $188K/yr

Envestnet Financial Technologies, Inc. seeks Senior Software Engineers in Berwyn, PA. Duties ... SQL & NoSQL Database development; and DevOps tooling, including Jenkins and GitLab. Requires 3 ...

Mondo

Sr. Software Engineer (Full Stack)

Horsham, PA · Remote

$60 - $65/hr

Apply now: Sr. Software Engineer (Full Stack) , Remote (EST Hours Required). Start date is ASAP for this Contract-to-Hire position. Job Title: Sr. Software Engineer (Full Stack) Location-Type: Remote ...

Cisco

Senior Software Engineer (Remote)

Philadelphia, PA · Remote

$123K - $163K/yr

This is a remote role anywhere in the USA. Meet the Team Our software engineering team develops ... developer-facing security tooling. * Knowledge of production monitoring, incident response ...

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Freelance Remote Senior Software Developer information

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How much do freelance remote senior software developer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for freelance remote senior software developer in Philadelphia, PA is $62.29, according to ZipRecruiter salary data. Most workers in this role earn between $52.88 and $69.86 per hour, depending on experience, location, and employer.

What is a freelance remote senior software developer?

Freelance remote senior software developers are experienced professionals who design, develop, and maintain software applications while working independently from a remote location. They typically have several years of experience, deep technical expertise, and strong problem-solving skills. These developers often work on a contract or project basis for various clients, managing their own schedules and deliverables. Their responsibilities may include coding, reviewing code, collaborating with distributed teams, and providing technical leadership.

What are the key skills and qualifications needed to thrive as a freelance remote senior software developer?

To thrive as a Freelance Remote Senior Software Developer, you need advanced programming skills, a strong understanding of software architecture, and several years of professional development experience, often supported by a relevant degree or portfolio of completed projects. Mastery of coding languages (such as Python, JavaScript, or Java), version control systems like Git, and familiarity with cloud platforms or CI/CD tools are commonly expected. Excellent self-management, communication, and problem-solving abilities are crucial for collaborating with clients and remote teams. These skills and qualities ensure the delivery of robust solutions, maintain client satisfaction, and support effective independent work in a remote freelance environment.

How does a freelance remote senior software developer typically manage communication and collaboration with distributed teams?

As a Freelance Remote Senior Software Developer, clear and proactive communication is critical to successful project delivery. You'll often use collaboration tools like Slack, Zoom, and project management platforms to stay connected with team members across various time zones. Regular stand-up meetings, code reviews, and asynchronous updates help ensure alignment and transparency. It’s important to set expectations around availability and deliverables, and to document your work thoroughly so other team members can easily follow your progress and contribute effectively.

What cities near Philadelphia, PA are hiring for Freelance Remote Senior Software Developer jobs?

Cities near Philadelphia, PA with the most Freelance Remote Senior Software Developer job openings:

Freelance Remote Senior Software Developer jobs near you

Senior Software Developer

TherapyNotes.com

Philadelphia, PA • Remote

$110K - $135K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 15 days ago

Job description

About Us

TherapyNotes is the go-to superhero for behavioral health Practice Management and EHR software! Our top-notch SaaS solution handles scheduling, billing, documenting, telehealth, and more so clinicians can focus on awesome patient care.

We're a dynamic team of pros who love to innovate and push the envelope, keeping our software cutting-edge. Join us, and let's revolutionize behavioral health software together while making a real difference!

About The Position

TherapyNotes is seeking a Senior Software Developer to help drive the evolution of our platform. You’ll work across the stack, influence architecture, and own features from design through release. If you enjoy solving complex technical problems and mentoring others, this role gives you room to make a real impact.

What You'll Do

  • Build and maintain features across Angular, ASP.NET Core, C#, and PostgreSQL
  • Design and implement scalable APIs and services (SOA/event‑driven)
  • Contribute to architecture decisions around performance, reliability, and maintainability
  • Collaborate with a strong engineering team and participate in reviews and design discussions
  • Support and mentor developers as the team grows

What You Bring

  • 5+ years professional software development experience
  • BS in a technical discipline (Computer Science or Software Engineering preferred)
  • Strong experience with Angular, .NET Core, C#, TypeScript, JavaScript, and HTML/CSS
  • Solid understanding of OOP, design patterns, and modern architecture
  • Experience building APIs and working with relational databases
  • Great communication and problem‑solving skills

Why Join Us

Work on software that supports mental health professionals, contribute to meaningful technical decisions, and be part of a collaborative, quality focused engineering culture.

What We Offer

  • Competitive salary $110,000 - $135,000
  • Employer sponsored health, dental, vision, life, and disability insurance
  • Retirement plan with company contribution
  • Annual company profit sharing
  • Personal development/training budget
  • Open, collaborative work environment
  • Extensive 2-week onboarding plan
  • Comprehensive mentorship program

Equal Opportunity Employer Statement & Applicant Rights
TherapyNotes LLC is an Equal Opportunity Employer and does not discriminate based on race, color, religion, sex, national origin, age, disability, genetic information, or any other protected status under federal, state, or local law. We are committed to providing a workplace free of discrimination and harassment. For more information about your rights under federal employment laws, please review the following-

  • Know Your Rights- Workplace Discrimination is Illegal
  • Family and Medical Leave Act (FMLA)- Employee Rights Under FMLA

If you require a reasonable accommodation during the application process, please contact humanresources@therapynotes.com.

#LI-Remote
#LI-AC1

8/4/2026