Senior Python Engineer Mainframe (DB2/JCL) Design build Python on z/OS (USS): Develop CLI tools, services, and batch utilities that run natively on z/OS Unix System Services (USS) or orchestrate ...
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Senior Python Engineer Mainframe (DB2/JCL) Design build Python on z/OS (USS): Develop CLI tools, services, and batch utilities that run natively on z/OS Unix System Services (USS) or orchestrate ...
Quick apply
Senior Python Engineer Mainframe (DB2/JCL) Design build Python on z/OS (USS): Develop CLI tools, services, and batch utilities that run natively on z/OS Unix System Services (USS) or orchestrate ...
Parkersburg, WV · On-site
$49.25 - $68/hr
We are looking for students, professionals, retirees or anyone with a passion to share, to join the largest community of teachers worldwide! If you have free time and want to share your knowledge, we ...
Parkersburg, WV · On-site
$49.25 - $68/hr
We are looking for students, professionals, retirees or anyone with a passion to share, to join the largest community of teachers worldwide! If you have free time and want to share your knowledge, we ...
Wheeling, WV · On-site
$50 - $69/hr
We are looking for students, professionals, retirees or anyone with a passion to share, to join the largest community of teachers worldwide! If you have free time and want to share your knowledge, we ...
Wheeling, WV · On-site
$50 - $69/hr
We are looking for students, professionals, retirees or anyone with a passion to share, to join the largest community of teachers worldwide! If you have free time and want to share your knowledge, we ...
Charleston, WV · On-site
$48.75 - $67.25/hr
We are looking for students, professionals, retirees or anyone with a passion to share, to join the largest community of teachers worldwide! If you have free time and want to share your knowledge, we ...
Charleston, WV · On-site
$48.75 - $67.25/hr
We are looking for students, professionals, retirees or anyone with a passion to share, to join the largest community of teachers worldwide! If you have free time and want to share your knowledge, we ...
Huntington, WV · On-site
$42.75 - $58.75/hr
We are looking for students, professionals, retirees or anyone with a passion to share, to join the largest community of teachers worldwide! If you have free time and want to share your knowledge, we ...
Huntington, WV · On-site
$42.75 - $58.75/hr
We are looking for students, professionals, retirees or anyone with a passion to share, to join the largest community of teachers worldwide! If you have free time and want to share your knowledge, we ...
Morgantown, WV · On-site
$51.75 - $71.25/hr
We are looking for students, professionals, retirees or anyone with a passion to share, to join the largest community of teachers worldwide! If you have free time and want to share your knowledge, we ...
Morgantown, WV · On-site
$51.75 - $71.25/hr
We are looking for students, professionals, retirees or anyone with a passion to share, to join the largest community of teachers worldwide! If you have free time and want to share your knowledge, we ...
Ansible (Software), DevOps, Linux, Python (Programming Language), Red Hat Ansible Certifications: None Experience: 5 + years of related experience US Citizenship Required: No We are GDIT. As one of ...
Software Engineering Job Qualifications: Skills: Cloud Development, DevOps, Linux Certifications: None Experience: 5 + years of related experience US Citizenship Required: No Seize your opportunity ...
... Python, .NET, and REST services Integrate GIS applications with enterprise databases such as SQL Server, Oracle, or PostgreSQL/PostGIS, including advanced spatial query development, optimization, and ...
... Python, .NET, and REST services Integrate GIS applications with enterprise databases such as SQL Server, Oracle, or PostgreSQL/PostGIS, including advanced spatial query development, optimization, and ...
Write and maintain automation scripts in Python, UNIX/LINUX shell scripting, or similar ... Mentor junior GIS developers and provide technical leadership across projects Requirements Required ...
Write and maintain automation scripts in Python, UNIX/LINUX shell scripting, or similar ... Mentor junior GIS developers and provide technical leadership across projects Requirements Required ...
Clarksburg, WV · On-site
$150K - $160K/yr
DevOps Engineer(Mid) Location: Clarksburg, WV Onsite Availability: Immediate Salary Range: $150,000 ... Bash, Python, PowerShell) to automate routine operational tasks. • Participate in on-call ...
Clarksburg, WV · On-site
$150K - $160K/yr
DevOps Engineer(Mid) Location: Clarksburg, WV Onsite Availability: Immediate Salary Range: $150,000 ... Bash, Python, PowerShell) to automate routine operational tasks. • Participate in on-call ...
Charleston, WV · On-site
Develop web-based GIS applications using JavaScript, Python, .NET, or other programming languages, including Esri's ArcGIS API for JavaScript and REST services * Integrate GIS applications with ...
Charleston, WV · On-site
Develop web-based GIS applications using JavaScript, Python, .NET, or other programming languages, including Esri's ArcGIS API for JavaScript and REST services * Integrate GIS applications with ...
Charleston, WV · On-site
... Python, .NET, or other programming languages, including Esri's ArcGIS API for JavaScript and REST services Integrate GIS applications with enterprise databases such as SQL Server, Oracle, or ...
Charleston, WV · On-site
... Python, .NET, or other programming languages, including Esri's ArcGIS API for JavaScript and REST services Integrate GIS applications with enterprise databases such as SQL Server, Oracle, or ...
Clarksburg, WV · On-site
SQL, Postgres, Atlassian Suite, CI/CD, XML, Python (nice-to-have), and some DevOps experience in an agile environment. What you'll do: * Develop and configure customized software product/system to ...
Clarksburg, WV · On-site
SQL, Postgres, Atlassian Suite, CI/CD, XML, Python (nice-to-have), and some DevOps experience in an agile environment. What you'll do: * Develop and configure customized software product/system to ...
Clarksburg, WV · On-site
SQL, Postgres, Atlassian Suite, CI/CD, XML, Python (nice-to-have), and some DevOps experience in an agile environment. What you'll do: * Develop and configure customized software product/system to ...
Clarksburg, WV · On-site
SQL, Postgres, Atlassian Suite, CI/CD, XML, Python (nice-to-have), and some DevOps experience in an agile environment. What you'll do: * Develop and configure customized software product/system to ...
$15.50 - $20.25/hr
Our Power Systems Engineering Intern support transmission and distributing engineering, renewable ... Develop automation scripts using Python, excel VBA, SQL, Fortran, MSAccess, epcl, C++ as required ...
$15.50 - $20.25/hr
Our Power Systems Engineering Intern support transmission and distributing engineering, renewable ... Develop automation scripts using Python, excel VBA, SQL, Fortran, MSAccess, epcl, C++ as required ...
Charleston, WV · On-site
$150K - $220K/yr
Strong scripting skills (Python, Bash). * Hands-on experience integrating automated testing into CI pipelines. * Demonstrated success improving developer productivity at scale.
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Charleston, WV · On-site
$150K - $220K/yr
Strong scripting skills (Python, Bash). * Hands-on experience integrating automated testing into CI pipelines. * Demonstrated success improving developer productivity at scale.
Charleston, WV · On-site
$133K - $224K/yr
Developer Community Leadership: Design and lead interactive technical livestreams, deliver ... Experience with React, Typescript, GoLang, Python, PowerShell, and more. * Knowledge of the ...
Charleston, WV · On-site
$133K - $224K/yr
Developer Community Leadership: Design and lead interactive technical livestreams, deliver ... Experience with React, Typescript, GoLang, Python, PowerShell, and more. * Knowledge of the ...
WV · On-site +1
$142K - $189K/yr
... Python, or similar) - Solid understanding of cloud engineering paradigms, asynchronous systems, and service integration patterns - Working knowledge of design patterns, reliability, and scaling ...
WV · On-site +1
$142K - $189K/yr
... Python, or similar) - Solid understanding of cloud engineering paradigms, asynchronous systems, and service integration patterns - Working knowledge of design patterns, reliability, and scaling ...
Software Engineering Job Qualifications: Skills: CI/CD, DevOps, Software Factory Certifications ... Exposure to PowerShell, Python, Bash, GitLab or similar CI/CD tools, containers, cloud services ...
New
$10.24 - $15.38
1% of jobs
$15.38 - $20.52
0% of jobs
$20.52 - $25.66
2% of jobs
$25.66 - $30.81
5% of jobs
$30.81 - $35.95
11% of jobs
$37.46 is the 25th percentile. Wages below this are outliers.
$35.95 - $41.09
18% of jobs
The median wage is $43.78 / hr.
$41.09 - $46.24
24% of jobs
$50.17 is the 75th percentile. Wages above this are outliers.
$46.24 - $51.38
18% of jobs
$51.38 - $56.52
13% of jobs
$56.52 - $61.67
5% of jobs
$61.67 - $66.81
3% of jobs
$10
$45
$66
As a Python developer, your job is to use the Python programming language to develop, implement, and debug a project. In this role, you may create an application for your employer, design the framework for your code, build tools as necessary to get the job done, create websites, or publish new services. Python developers often work with data collection and analytics to create useful answers to questions and provide insight where it's needed most. Like most programming positions, the specifics of this job vary based on the needs of your employer. Some Python developers work as independent contractors instead of being exclusive to one company.
| Aspect | Python Developer | Java Developer |
|---|---|---|
| Required Credentials | Bachelor's in CS or related field, Python certifications (optional) | Bachelor's in CS or related field, Java certifications (optional) |
| Work Environment | Web development, data science, automation, scripting | Enterprise applications, Android development, backend systems |
| Industry Usage | Tech startups, data companies, automation firms | Financial services, enterprise software, mobile app companies |
| Common Search/Comparison | Often compared for backend and scripting roles | Compared for enterprise and mobile app development |
Python Developers and Java Developers share similar educational backgrounds and often work in backend environments. However, Python is favored for data science, scripting, and rapid development, while Java is preferred for large-scale enterprise applications and Android development. Both roles are highly sought after, but their industry focus and project types differ.

Contractor
Posted 11 days ago
Senior Python Engineer Mainframe (DB2/JCL) Design build Python on z/OS (USS): Develop CLI tools, services, and batch utilities that run natively on z/OS Unix System Services (USS) or orchestrate mainframe jobs from distributed hosts.
Batch orchestration: Create and maintain JCL (PROCs, symbolics, condition codes, GDGs) and integrate with enterprise schedulers (e.g., Control-M, CA-7). Implement robust restart/recovery and step-level error handling.
DB2 for z/OS engineering: Write and tune SQL; implement stored procedures; design schemas and indexes; use EXPLAIN, RUNSTATS, and utilities (LOAD/UNLOAD/REORG) to hit SLAs.
PythonDB2 integration: Connect via ibm_db/CLI/ODBC and optimize connection pooling, cursor usage, and transaction boundaries for high-throughput workloads.
Data processing pipelines (plus): Build high-volume ETL/ELT flows with Python (e.g., pandas, PyArrow, Dask) and efficient I/O (binary formats, streaming, chunking).
Job submission automation: Submit and monitor jobs via SDSF, z/OSMF REST APIs, or Zowe CLI; parse JES output; automate handoffs and notifications.
Reliability observability: Implement structured logging, metrics, and tracing; integrate with enterprise monitoring (e.g., Splunk, ELK).
Testing CI/CD: Enforce unit/integration tests (pytest), code reviews, linting/type hints (flake8/ruff/mypy), packaging, and CI/CD (e.g., Jenkins, GitLab).
Security compliance: Follow RACF/Top Secret/ACF2 controls, least privilege, and data governance for PII/PCI/SOX environments.
Mentorship documentation: Coach engineers on Python + mainframe best practices; produce clear runbooks and architecture docs.
Required qualifications 8+ years professional Python (3.x) building reliable, performant production systems (CLIs, services, or batch).
Hands-on Python on the mainframe (must-have): Comfortable with z/OS USS, TSO/ISPF, SDSF, OMVS, dataset concepts (PS/PO, GDGs), code pages/EBCDIC vs ASCII, and file I/O nuances.
Mainframe DB2 expertise: Strong DB2 for z/OS (SQL tuning, indexing strategies, access paths, utilities, locking concurrency).
Familiar with SPUFI, DSNTEP2, IBM Data Studio (or equivalents).
Deep JCL proficiency:
PROCs, symbolic parms, condition codes, dataset allocation, DFSORT/ICETOOL, IDCAMS, and common utilities; experience wiring JCL into enterprise schedulers.
Scripting OS: Shell (sh/bash) on USS; comfort with dataset/file conversions, large file throughput, and job logs.
SDLC discipline: Git, trunk-based development, code reviews, tickets/change management (e.g., Jira/ServiceNow).
Excellent communicator with the ability to translate between mainframe, data, and app teams.
Data-processing Python: pandas, PyArrow, Dask;
memory/perf tuning for large datasets; binary formats (Parquet/Avro).
Automation toolchain:
Zowe CLI, z/OSMF REST, IBM Z Open Automation Utilities, Ansible for z/OS.
Integration: IBM MQ, CICS, Kafka/CDC (e.g., IBM Data Replication), REST/gRPC services bridging z/OS and distributed.
Performance engineering: SMF insights, buffer pool tuning (with DBAs), batch window optimization.
Refactoring legacy: Translating COBOL/PL/I batch logic to Python where appropriate; creating safe migration paths.
Distributed data engines: PySpark/Spark (for off-platform processing), Airflow.
Observability SRE: SLA/SLO design, incident response for nightly/weekly batch cycles.
Tools environment (illustrative) Mainframe: IBM z/OS 2.x, USS, TSO/ISPF, SDSF, RACF/Top Secret/ACF2 Data: DB2 12/13 for z/OS;
utilities (REORG/RUNSTATS/LOAD/UNLOAD) Python: 3.x, venv/poetry, ibm_db/ODBC, requests, pandas/PyArrow (as applicable)
Automation: Zowe CLI, z/OSMF APIs, Control-M/CA-7, Jenkins/GitLab CI Monitoring: Splunk/ELK, enterprise log aggregation Success metrics Batch SLAs consistently met; reduced average job elapsed time and rerun rates Measurable DB2 query/perf improvements (e.g., CPU, getpages, elapsed time) Increased automation coverage (job submission/monitoring, recovery) High test coverage and low change-failure rate across releases Education certification BS/MS in CS, EE, or equivalent experience
IBM Certified Database Admin DB2 for z/OS; IBM z/OS Associate/Professional; Control-M/CA-7 certifications