Senior Software Engineer
Westlake, TX
Category: Development
Industry: Financial Services
Standard Hours: Open
Reference ID: JN -112026-109459
Date Posted: 11/10/2026
Shortcut: http://careers.eliassen.com/lrmoHd
Description:
On-site in Westlake, TX
Our client is seeking a Senior Software Engineer with strong expertise in production-grade Python development. The role focuses on designing, developing, testing, and maintaining reliable Python applications, APIs, libraries, frameworks, and reusable components using modern software-engineering practices. The ideal candidate also brings experience with cloud-native platforms, Kubernetes, CI/CD, observability, and platform automation.
Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $63.00 to $68.00/hr. w2
JN -112026-109459
Responsibilities:
- Design, develop, test, deploy, and maintain production-quality Python applications, APIs, libraries, packages, and reusable components.
- Apply object-oriented programming, modular architecture, design patterns, and clean-code principles to create maintainable, extensible, and scalable software.
- Demonstrate advanced Python proficiency, including classes, modules, functions, data structures, type hints, packaging, dependency management, exception handling, and asynchronous or parallel-processing concepts.
- Implement standardized patterns for logging, configuration management, command-line interfaces, input validation, error handling, and failure recovery.
- Develop reusable frameworks, utilities, templates, and self-service capabilities that reduce duplication and improve developer productivity.
- Write comprehensive unit, integration, and regression tests using appropriate mocking, fixtures, automation, and code-coverage practices.
- Diagnose software defects, runtime failures, and performance bottlenecks; conduct root-cause analysis and implement sustainable remediation.
- Design, configure, deploy, and support containerized applications on Kubernetes in AWS, Azure, or comparable public-cloud environments.
- Use Infrastructure as Code tools such as Terraform, AWS CloudFormation, or Azure Resource Manager templates to automate cloud and platform infrastructure.
- Build and maintain CI/CD workflows using technologies such as GitHub, Jenkins, and Artifactory for source control, testing, packaging, artifact management, deployment, and release automation.
- Implement structured logging, metrics, dashboards, monitors, and alerts to support highly available and operationally reliable applications and platforms.
- Apply secure software-development practices, including peer reviews, dependency management, vulnerability remediation, secrets protection, and secure cloud configuration.
- Apply relational database concepts and SQL skills when designing application persistence, integrations, or data-processing solutions.
- Participate in technical design reviews, architecture discussions, code reviews, and the definition and adoption of engineering standards.
- Collaborate with software engineers, platform engineers, architects, support teams, and business stakeholders to translate evolving requirements into effective software solutions.
- Produce technical designs, application documentation, operational procedures, troubleshooting guides, and root-cause analysis records.
- Use AI-assisted development tools, including coding copilots and large language models, to improve development, testing, documentation, code review, and troubleshooting.
Experience Requirements:
- Experience developing enterprise Python applications, backend services, API integrations, automation tools, internal frameworks, or platform-engineering software is preferred.
- Experience with Kubernetes troubleshooting, cloud-platform engineering, high-availability design, application performance testing, and enterprise observability platforms is preferred.
- Familiarity with ETL/ELT pipelines, Apache Airflow, Apache Spark, and distributed data-processing concepts is beneficial.
- AWS or Azure cloud certification is a plus.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above