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 ...
Charleston, WV · Remote
$112K - $173K/yr
Leverage open source automation tools and scripting languages in commercial tools (e.g., Python, Ansible, ServiceNow, Salesforce, etc) to streamline NOC information gathering, internal communication ...
Charleston, WV · Remote
$112K - $173K/yr
Leverage open source automation tools and scripting languages in commercial tools (e.g., Python, Ansible, ServiceNow, Salesforce, etc) to streamline NOC information gathering, internal communication ...
$113K - $149K/yr
Description Senior Software Engineer (Python) The Company: Varonis (Nasdaq: VRNS) secures AI and the data that powers it. The Varonis platform gives organizations automated visibility and control ...
$113K - $149K/yr
Description Senior Software Engineer (Python) The Company: Varonis (Nasdaq: VRNS) secures AI and the data that powers it. The Varonis platform gives organizations automated visibility and control ...
$113K - $149K/yr
Description Senior Software Engineer (Python) The Company: Varonis (Nasdaq: VRNS) secures AI and the data that powers it. The Varonis platform gives organizations automated visibility and control ...
$113K - $149K/yr
Description Senior Software Engineer (Python) The Company: Varonis (Nasdaq: VRNS) secures AI and the data that powers it. The Varonis platform gives organizations automated visibility and control ...
$113K - $149K/yr
Description Senior Software Engineer (Python) The Company: Varonis (Nasdaq: VRNS) secures AI and the data that powers it. The Varonis platform gives organizations automated visibility and control ...
$113K - $149K/yr
Description Senior Software Engineer (Python) The Company: Varonis (Nasdaq: VRNS) secures AI and the data that powers it. The Varonis platform gives organizations automated visibility and control ...
WV · On-site
Exposure to PowerShell, Python, Bash, GitLab or similar CI/CD tools, containers, cloud services (Azure, AWS), infrastructure as code, security scanning, vulnerability remediation, and controlled or ...
$15.50 - $20.25/hr
What You'll Do: * Develop automation scripts using Python, excel VBA, SQL, Fortran, MSAccess, epcl, C++ as required. * Assist in data analysis, database software development. * Assist in ...
$15.50 - $20.25/hr
What You'll Do: * Develop automation scripts using Python, excel VBA, SQL, Fortran, MSAccess, epcl, C++ as required. * Assist in data analysis, database software development. * Assist in ...
Python Modeling and Automation: Write Python scripts to perform statistical analysis, automate data pipelines, and integrate machine learning workflows. Leverage Python for data preparation, model ...
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Python Modeling and Automation: Write Python scripts to perform statistical analysis, automate data pipelines, and integrate machine learning workflows. Leverage Python for data preparation, model ...
$130K - $150K/yr
Python Modeling and Automation: Write Python scripts to perform statistical analysis, automate data pipelines, and integrate machine learning workflows. Leverage Python for data preparation, model ...
$130K - $150K/yr
Python Modeling and Automation: Write Python scripts to perform statistical analysis, automate data pipelines, and integrate machine learning workflows. Leverage Python for data preparation, model ...
Write and maintain automation scripts in Python, UNIX/LINUX shell scripting, or similar environments for GIS application deployment, monitoring, and maintenance * Utilize version control systems such ...
Write and maintain automation scripts in Python, UNIX/LINUX shell scripting, or similar environments for GIS application deployment, monitoring, and maintenance * Utilize version control systems such ...
... 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 ...
Green Bank, WV · On-site +1
$46.75 - $63/hr
The role requires demonstrated proficiency in Python and C++, experience with parallel and distributed computing frameworks, and the ability to collaborate closely with domain scientists, systems ...
Green Bank, WV · On-site +1
$46.75 - $63/hr
The role requires demonstrated proficiency in Python and C++, experience with parallel and distributed computing frameworks, and the ability to collaborate closely with domain scientists, systems ...
Green Bank, WV · On-site +1
$46.75 - $63/hr
The role requires demonstrated proficiency in Python and C++, experience with parallel and distributed computing frameworks, and the ability to collaborate closely with domain scientists, systems ...
Green Bank, WV · On-site +1
$46.75 - $63/hr
The role requires demonstrated proficiency in Python and C++, experience with parallel and distributed computing frameworks, and the ability to collaborate closely with domain scientists, systems ...
Charleston, WV · On-site
$85K - $110K/yr
Write and optimize complex SQL queries alongside Python or R scripts for large-scale data cleaning, statistical analysis, and task automation. * BI & Visualization: Design and build interactive ...
Charleston, WV · On-site
$85K - $110K/yr
Write and optimize complex SQL queries alongside Python or R scripts for large-scale data cleaning, statistical analysis, and task automation. * BI & Visualization: Design and build interactive ...
Charleston, WV · On-site
$106K - $127K/yr
Python/Pyspark & Azure, ADF, SQL, SQL Server, Data Warehousing, ETL Secondary: Databricks Nice to have: Informatica/ETL. Responsibilities * Design and develop ETL processes based on functional and ...
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Charleston, WV · On-site
$106K - $127K/yr
Python/Pyspark & Azure, ADF, SQL, SQL Server, Data Warehousing, ETL Secondary: Databricks Nice to have: Informatica/ETL. Responsibilities * Design and develop ETL processes based on functional and ...
Strong proficiency in Python * Experience with big data processing and distributed computing * Experience with data visualization and dashboard creation * Soft Skills * Potential experience leading ...
Strong proficiency in Python * Experience with big data processing and distributed computing * Experience with data visualization and dashboard creation * Soft Skills * Potential experience leading ...
Huntington, WV · On-site
Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an Agile Scrum team, collaborating across design, development, and testing * Supporting the development of ...
Huntington, WV · On-site
Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an Agile Scrum team, collaborating across design, development, and testing * Supporting the development of ...
Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an Agile Scrum team, collaborating across design, development, and testing * Supporting the development of ...
Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an Agile Scrum team, collaborating across design, development, and testing * Supporting the development of ...
Morgantown, WV · On-site
Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an Agile Scrum team, collaborating across design, development, and testing * Supporting the development of ...
Morgantown, WV · On-site
Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an Agile Scrum team, collaborating across design, development, and testing * Supporting the development of ...
Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an Agile Scrum team, collaborating across design, development, and testing * Supporting the development of ...
Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an Agile Scrum team, collaborating across design, development, and testing * Supporting the development of ...
$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
| 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 | Enterprise applications, Android development, backend systems |
| Industry Usage | Tech startups, data analysis firms, automation companies | Financial services, large enterprise software, mobile app companies |
Python developers focus on scripting, data analysis, and web development, often working in startups or data-driven fields. Java developers typically work on large-scale enterprise applications and Android apps. While both roles require programming skills and similar educational backgrounds, their industry applications and project types differ significantly.
Python is a programming language used to write or develop a variety of programs and applications. The software developer community uses Python for programming because it is a simple language that is easy to test and debug. Large internet companies such as Facebook, Google, Reddit, and Amazon use Python, and so do government agencies such as NASA. Programmer professionals have used Python to help build popular software such as Autodesk Maya and other visual design applications. Financial professionals and stock traders use Python when scripting algorithms for economic predictions or computerized trading.
Contractor
Posted 6 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