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Senior Python Sql Developer Jobs in Washington, DC

Senior Spark & Python Developer

Mclean, VA

$122.80K - $165.30K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... SQL * Develop and lead development efforts of application programming interfaces to enable ...

Sr AWS Python Developer

Reston, VA · On-site

$126.40K - $170.10K/yr

Sr AWS Python Developer (2 positions) Location- Reston, VA (In person Client interview) day one ... Write performant SQL for data transformations, validation, and reporting * Ensure data quality ...

Senior Spark & Python Developer

Mclean, VA · On-site

$122.80K - $165.30K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... SQL * Develop and lead development efforts of application programming interfaces to enable ...

Gen AI/Python Developer

Reston, VA

$52.25 - $72/hr

Systems Engineering Services is seeking an AI/Python Developer with a Java Certification based out ... SQL * AWS Data Services * LLM * ML * Sagemaker * Bedrock Top 3 Soft Skills: * Confidence in ...

Python/Gen AI Developer

Reston, VA

$52.25 - $72/hr

Systems Engineering Services is seeking an AI/Python Developer with a Java Certification based out ... SQL * AWS Data Services * LLM * ML * Sagemaker * Bedrock Top 3 Soft Skills: * Confidence in ...

New

Senior AWS Python Developer

Reston, VA · On-site

$126.40K - $170.10K/yr

Senior AWS Python Developer Category: Software Development/ Engineering Main location: United ... Strong SQL skills in databases, including DynamoDB, Postgres, Oracle, etc. . Hands-on experience in ...

Sr. Python Developer

Mclean, VA · On-site

$123.50K - $166.20K/yr

Strong Proficiency in Python programming language, including experience with frameworks such as Flask, Django, and Fast API. * Experience with RESTful APIs and microservices architecture, and an ...

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Senior Python Developer

Reston, VA

$131.30K - $237.35K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

The Application Developer, Advanced Technology (Senior) must be able to translate applications ... Strong command of SQL and experience with relational databases such as PostgreSQL * Experience ...

We seek to hire a Senior Python Developer who will be responsible for designing and building novel ... Proficiency in Python 3, strong experience with RESTful APIs and SQL (MySQL preferred), and a ...

Senior Python Developer

Chantilly, VA · On-site

$131.30K - $237.35K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Senior Python Developer

Columbia, MD · On-site

$131.30K - $237.35K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

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Senior Python Sql Developer information

See Washington, DC salary details

$62.3K

$160.8K

$220.9K

How much do senior python sql developer jobs pay per year?

As of May 29, 2026, the average yearly pay for senior python sql developer in Washington, DC is $160,801.00, according to ZipRecruiter salary data. Most workers in this role earn between $137,600.00 and $185,200.00 per year, depending on experience, location, and employer.

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

To thrive as a Senior Python SQL Developer, you need advanced proficiency in Python programming, SQL query optimization, database design, and a relevant degree in computer science or a related field. Experience with frameworks like Django or Flask, familiarity with version control systems such as Git, and knowledge of relational databases like PostgreSQL or MySQL are typically required. Strong problem-solving abilities, effective communication, and the ability to collaborate across teams distinguish top performers in this role. These skills ensure robust, scalable solutions and seamless data integration essential for business intelligence and application development.

What are some common challenges faced by Senior Python SQL Developers when managing large datasets, and how can they be addressed?

Senior Python SQL Developers often encounter challenges such as optimizing query performance, handling data integrity, and ensuring scalable data processing when working with large datasets. To address these issues, they frequently use advanced indexing, partitioning strategies, and efficient query design. Additionally, collaborating closely with data engineers and DBAs helps identify bottlenecks and implement best practices for database performance and maintainability. Regular code reviews and adopting automated testing also play a key role in maintaining robust data pipelines.

What are Senior Python SQL Developers?

Senior Python SQL Developers are experienced professionals who design, develop, and maintain software applications using Python and SQL. They work on tasks such as building backend systems, managing databases, optimizing queries, and ensuring data integrity. These developers often collaborate with other engineers, data analysts, and stakeholders to deliver robust solutions. Their seniority implies advanced technical skills, leadership abilities, and a track record of successful project delivery.

What is the difference between Senior Python Sql Developer vs Data Analyst?

AspectSenior Python Sql DeveloperData Analyst
Required SkillsPython, SQL, database management, scriptingSQL, data visualization, statistical analysis
Work EnvironmentSoftware development teams, IT departmentsBusiness units, research teams
CertificationsSQL certifications, Python certificationsData analysis certifications, Excel skills
Industry UsageTech, finance, healthcareMarketing, finance, consulting

The main difference between a Senior Python Sql Developer and a Data Analyst lies in their focus areas. The developer primarily builds and maintains data systems using Python and SQL, while the analyst interprets data to provide insights. Both roles require strong SQL skills and may share certifications, but their daily tasks and industry applications differ significantly.

What are the most commonly searched types of Python Sql Developer jobs in Washington, DC? The most popular types of Python Sql Developer jobs in Washington, DC are:
What are popular job titles related to Senior Python Sql Developer jobs in Washington, DC? For Senior Python Sql Developer jobs in Washington, DC, the most frequently searched job titles are:
What job categories do people searching Senior Python Sql Developer jobs in Washington, DC look for? The top searched job categories for Senior Python Sql Developer jobs in Washington, DC are:

Senior Spark & Python Developer

Mavens Guild

Mclean, VA

$122.80K - $165.30K/yr

Contractor

Posted 11 days ago


Job description

What we would like to see:

In a senior developer role, you will design and build data flow and data integration processes to enhance loss prevention technologies for a leading financing firm. Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you will develop, test, and deploy end-to-end solutions using full-stack development tools within AWS (EMR, S3) cloud based infrastructure.

A typical day as a Senior Spark Programmer:
  • Develop fault tolerant, streaming as well as batch data integration processes using Spark/PySpark, Java and performance enhanced SQL
  • Develop and lead development efforts of application programming interfaces to enable integration of fraud detection systems with a host of new reporting and data mining tools
  • Design and develop automation of data flow tasks and end-to-end process testing
  • Design and develop scalable frameworks to ingest, transform, store, and present loss prevention information to downstream systems
  • Implement and lead implementation of Agile best practices and a continuous integration ecosystem
  • Implement and lead implementation efforts of Spark/Python based solution architecture, scalable process frameworks, advanced analytics, and responsive RESTful services
What you will need to bring to the table:
  • 5+ years experience with processing of structured, unstructured and semi-structured data using in-memory cluster computing technologies, specifically with Spark
  • 5+ years experience as a Java programmer
  • 3+ years experience programming in Python (PySpark API)
  • 3+ years experience with cloud services offered through AWE, like EMR, Redshift, or S3
  • 3+ years experience in developing, testing and deploying RESTful APIs for high volume data streams
  • Experience with continuous integration tools like Jenkins
  • Experience working in a distributed computing infrastructure like Hadoop and/or Spark
  • Critical and analytical approach to solving technical problems
  • Excellent interpersonal skills and ability to clearly communicate highly technical concepts to business stakeholders and technical developers alike
Employment Type: CONTRACTOR