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Part Time Sql Developer Jobs in Philadelphia, PA

Back-End Engineer

Philadelphia, PA · Remote

$75K - $125K/yr

All full time and part time employees have access to participate in the Delphinus Engineering ... Demonstrated proficiency in SQL and experience with relational databases (e.g., PostgreSQL, MS SQL)

Back-End Engineer

Philadelphia, PA · On-site

$75K - $125K/yr

All full time and part time employees have access to participate in the Delphinus Engineering ... Demonstrated proficiency in SQL and experience with relational databases (e.g., PostgreSQL, MS SQL)

Part Time Sql Developer information

See Philadelphia, PA salary details

$21

$53

$73

How much do part time sql developer jobs pay per hour?

As of Jul 29, 2026, the average hourly pay for part time sql developer in Philadelphia, PA is $53.08, according to ZipRecruiter salary data. Most workers in this role earn between $43.89 and $60.14 per hour, depending on experience, location, and employer.

What is a Part Time SQL Developer?

A Part Time SQL Developer is a professional who designs, develops, and maintains databases using SQL (Structured Query Language) while working less than full-time hours, often on a flexible or project basis. Their primary duties include writing SQL queries, optimizing database performance, and supporting data-related needs for organizations. Part-time roles are ideal for those seeking work-life balance or supplementing their income, while still contributing valuable technical skills. These positions may be remote or on-site, depending on the employer.

What Does a Part-Time SQL Developer Do?

Standard Query Language (SQL) is a computer language for communicating with databases. As a part-time SQL developer, you help design databases using SQL code. Your duties may also include creating applications that help users interface with databases. After you develop a database or related tools, your responsibilities shift to testing your code to ensure quality and usability. As a part-time developer, you may design and test one data application or one facet of a larger database development project. Since you work part-time, you need to document your work and adhere to the development methodologies that your team is using.

What is the difference between Part Time Sql Developer vs Full Time Sql Developer?

AspectPart Time Sql DeveloperFull Time Sql Developer
Work HoursLess than 30 hours/week40+ hours/week
Employment TypeContract or freelancePermanent
CertificationsTypically requiredTypically required
Work EnvironmentRemote or flexibleOffice or remote

The main difference between a Part Time Sql Developer and a Full Time Sql Developer lies in work hours and employment status. Part Time Sql Developers usually work fewer hours, often on a contract basis, offering flexibility. Full Time Sql Developers work standard hours with permanent employment. Both roles often require similar skills and certifications, but the commitment level and work schedule differ significantly.

What are the key skills and qualifications needed to thrive as a Part Time SQL Developer, and why are they important?

To thrive as a Part Time SQL Developer, you need a solid understanding of SQL, relational databases, and experience with database design and optimization, often supported by a degree in computer science or a related field. Familiarity with tools like Microsoft SQL Server, MySQL, or Oracle, and certifications such as Microsoft Certified: Azure Data Fundamentals, are commonly required. Strong analytical thinking, time management, and effective communication help you manage tasks independently and collaborate with stakeholders. These skills ensure the efficient development and maintenance of reliable databases, which are crucial for accurate data-driven decision-making.

How does working as a part-time SQL Developer typically impact collaboration with full-time team members?

As a part-time SQL Developer, you’ll often coordinate closely with full-time developers, database administrators, and project managers to ensure your work aligns with ongoing projects. Effective communication is crucial, as you may need to attend key meetings or use collaboration tools to stay updated on project progress and requirements. Flexibility and proactive status updates help bridge any gaps caused by your limited hours, ensuring smooth workflow and successful project delivery.
What are the most commonly searched types of Sql Developer jobs in Philadelphia, PA? The most popular types of Sql Developer jobs in Philadelphia, PA are:
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What job categories do people searching Part Time Sql Developer jobs in Philadelphia, PA look for? The top searched job categories for Part Time Sql Developer jobs in Philadelphia, PA are:
What cities near Philadelphia, PA are hiring for Part Time Sql Developer jobs? Cities near Philadelphia, PA with the most Part Time Sql Developer job openings:
Infographic showing various Part Time Sql Developer job openings in Philadelphia, PA as of July 2026, with employment types broken down into 100% Part Time. Highlights an 67% In-person, and 33% Remote job distribution, with an average salary of $110,401 per year, or $53.1 per hour.

Back-End Engineer

Delphinus Engineering

Philadelphia, PA • Remote

$75K - $125K/yr

Full-time, Part-time

Medical, Life, Retirement, PTO

Re-posted 19 days ago


Job description

SALARY RANGE: $75,000 - $125,000 per year

In determining compensation, various factors will be considered, including but not limited to, educational background; relevant experience, knowledge, skills, and abilities, market factors; and geographic location.

BENEFITS: All eligible full time employees will receive Paid Annual Leave (PAL) starting at 23 days per year and raising by one day per year following one full calendar year of employment (January through December). They will also be offered health benefits and will be automatically enrolled in employer paid short and long term disability and life insurance.

All full time and part time employees have access to participate in the Delphinus Engineering 401(k) which includes company match of 25% up to 10% deferred.

GENERAL SUMMARY: The Back-End Engineer position supports the design, development, and maintenance of sophisticated Condition Assessment Systems and Remote Monitoring Systems that are crucial for naval operations. The Back-End Engineer will work with a modern tech stack to build and enhance software that directly supports Condition-Based Maintenance (CBM) methodologies for vital naval equipment.

LOCATION: Philadelphia, PA

PRINCIPAL DUTIES/RESPONSIBILITIES:

  • Develop and enhance software for advanced Condition Assessment and Remote Monitoring systems in support of the NSWCPD.
  • Design, code, and implement software upgrades, enhancements, and new utilities using Go, with exposure to Javascript, Kotlin, and other languages as needed.
  • Provide routine software maintenance, technical administration, and hardware setup support.
  • Manage and optimize relational databases (PostgreSQL, TimescaleDB), including schema design, query optimization, and administrative functions.
  • Create and deliver comprehensive software development plans and packages.
  • Conduct rigorous software development testing in accordance with IEEE standards.
  • Implement processes and technologies to gather, analyze, and validate shipboard equipment data, troubleshooting issues to ensure data integrity.

EDUCATION AND EXPERIENCE REQUIREMENTS:

  • Bachelor’s level degree in Computer, Electrical or Electronics Engineering, or Mathematics with field of concentration in computer science or equivalent. from an accredited college or university.
  • At least 3 years of experience in computer design, software development or computer networks including software design.
  • C/C++ experience preferred.
  • Experience in the design, development, and implementation of machinery lifecycle management software systems preferred.
  • Familiarity with and have developed applications using the DoDAF standards preferred.

SPECIAL REQUIREMENTS:

  • Successful applicants must either have an active government security clearance or the ability to receive approval upon position acceptance.
  • Must have a valid US passport or the ability to obtain one upon position acceptance.
  • Ability to obtain OS certification or complete approved related training within 180 days of hire.
  • A+ CE, CCNA-Security, CND, Network+ CE, or SSCP certification preferred.
  • U.S. Citizenship is required.

SKILLS AND ABILITIES:

Essential Skills:

  • Proven professional experience in software development, particularly with Go (GoLang).
  • Demonstrated proficiency in SQL and experience with relational databases (e.g., PostgreSQL, MS SQL).
  • Strong experience with container orchestration using Kubernetes.
  • Hands-on experience with message brokers such as RabbitMQ, Kafka, or similar.
  • Proficiency with version control using Git.
  • Experience with API design and implementation using gRPC and GraphQL.
  • Solid understanding of the Linux operating system and command line.
  • Due to the nature of this work, U.S. Citizenship is required.

Additional Preferred Skills:

  • Experience designing and building event-driven microservices architectures.
  • Experience in industrial analytics, machinery diagnostics, or condition-based maintenance (CBM) systems.
  • Experience with time-series databases (e.g, TimescaleDB, InfluxDB, etc.).
  • Prior experience delivering Data-as-a-Service (DaaS) or Platform-as-a-Service (PaaS) solutions.
  • Familiarity with U.S. Government or Department of Defense development environments.