Explore 3 junior python developer jobs from 3 hiring companies in Cloverdale, CA, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Junior Python Developer Jobs

Environmental Science Associates

Keysight Technologies

Parker Hannifin

Onsite

Hybrid

<div class="content-intro">Environmental Science Associates (ESA) is a 100% employee-owned environmental consulting firm. We plan, design, permit, mitigate, and restore for projects across our communities, infrastructure systems, open spaces, and wildlands. We are 50 years strong in 21 offices across California, the Pacific Northwest, and the Southeastern United States.</div>ESA seeks a highly motivated Junior Coastal Engineer with 0-3 years' experience to join our team of hydrologists, geomorphologists, ecologists, landscape architects and engineers in the Northern California region. This position will support a variety of multi-objective tidal wetland and coastal restoration design projects in the San Francisco Bay Area, Sacramento/San Joaquin Delta, California Coast, and throughout California. We are looking for a dedicated and enthusiastic team member with a passion for ecosystem restoration and the desire to learn and grow.&nbsp; This is a full-time salary exempt role with hybrid work expectations.&nbsp; Candidates must be able to work in office hybrid in one of the following office locations:&nbsp;San Francisco, Oakland, Sacramento, or Petaluma and be available&nbsp;as needed to travel to other ESA office locations for in-person team collaboration.&nbsp;
Who You Are&nbsp;
<ul>
<li>You have a Bachelor’s degree in Civil/Environmental Engineering or a related degree and directly relevant qualifications, and EIT certification or the ability to obtain it within one year;</li>
<li>You have education, training, and/or work experience in one or more of the following: coastal zone or estuarine habitat restoration, land management, geomorphology and/or ecology; coastal engineering; estuarine hydraulics and hydrology.</li>
<li>Experience in design and modeling software (AutoCAD Civil 3D, ArcGIS, HEC RAS, HEC HMS, XBeach, SWAN etc.) and programming (MATLAB, Python) are desirable but not required.</li>
<li>You are an effective team member with excellent oral and writing skills who can work independently and collaboratively in a multi-disciplinary environment.</li>
<li>You can communicate basic technical information clearly and concisely to individuals and small groups.</li>
<li>You are adept at using various communication tools to effectively combine in-person and remote teamwork.</li>
<li>You are able to work hybrid in office in San Francisco, Oakland, Sacramento, or Petaluma.&nbsp;&nbsp;</li>
</ul>
What You Will Do for ESA
<ul>
<li>Support design and analysis for ecosystem restoration, climate change resilience, habitat enhancement, engineering with nature, flood management, and other water resources and civil engineering projects under direct supervision of a more senior engineer or hydrologist.&nbsp;&nbsp;</li>
<li>Assist in the preparation of engineering analyses, design plans and cost estimates, reports, permit applications, and other project documentation. Apply hydrologic and hydraulic models, GIS, and other tools to evaluate design alternatives. Using GIS or other software platforms to evaluate habitat conversion in both the near and long-term accounting for climate change. Have the opportunity to collect hydrographic, topographic, and related field data to support engineering analysis and design.&nbsp;&nbsp;</li>
<li>Consistently demonstrate your solid writing and attentive listening skills, contributing to complex environmental reports, and participating in meetings with ESA staff and with our clients. This position will lead to project management experience over time.&nbsp;</li>
<li>Thrive in a fast-paced, challenging environment and be able to balance multiple responsibilities and deadlines, while working on a team or independently. Provided the appropriate direction, resources and support, you will independently solve simple to complex problems.&nbsp;</li>
<li>Please note, as a part of the interview process, you may be asked to prepare a presentation and/or provide a writing sample.</li>
</ul>
What’s Special About Our Team
Our EH&amp;D team includes engineers, engineers, hydrologists, geomorphologists and landscape architects. Much of our work is oriented toward the restoration of habitat and ecosystem function, often as part of multi-benefit projects. As a highly-integrated team, we value creative thinking, teamwork, and multi-disciplinary and cross-disciplinary engagement and integration.&nbsp;
To read about some of our exciting projects, check out these links <a href="https://esassoc.com/news-item/dutch-slough-charting-a-path-for-the-future-of-delta-restoration/">Dutch Slough</a>, <a href="https://esassoc.com/projects/lower-walnut-creek-and-pacheco-marsh-restoration/">Lower Walnut Creek</a>, <a href="https://esassoc.com/projects/herons-head-park-shoreline-resilience-project/">Heron's Head Park Shoreline Resilience</a>, <a href="https://esassoc.com/projects/tomales-bay-living-shoreline-feasibility-study/">Tomales Bay Living Shoreline</a>, and <a href="https://esassoc.com/projects/surfers-point-shoreline-management/">Surfers' Point</a>.&nbsp;
What’s Special About ESA
Joining ESA means becoming part of a close-knit team of environmental professionals who contribute to outstanding projects, improve environmental stewardship, and advance a more sustainable and resilient future for our communities and wild places.
At ESA, we provide benefits such as medical, dental, and vision insurance (paid at 70% for you AND your family), annual allocations of company share through our ESOP, a 401(k) plan with company match, and paid vacation, sick leave, and holidays, to name a few.
We also provide specific programs whether you want to further your technical expertise, sharpen your business acumen, or help lead the next generation of employee-owners. We want to support you in reaching your career goals through tuition reimbursement, professional development bonuses, and attendance at conferences.<div class="content-pay-transparency"><div class="pay-input"><div class="description">ESA has established multiple pay ranges tailored to the economic factors in the geographies in which ESA staff reside. For this position, the range is approximately as listed based on our anticipated hiring locations as noted in the above job details. Actual compensation is determined by several factors including but not limited to an individual’s related experience, education, skills, and the city in which the applicant lives.&nbsp;&nbsp;</div><div class="title">CA Pay Transparency Clause</div><div class="pay-range">$85,000&mdash;$100,000 USD</div></div></div><div class="content-conclusion">Who We Are&nbsp;
We are a 100% employee-owned environmental consulting firm who values diversity and inclusion and celebrate the differences that make each of us unique. Our culture is built on mutual respect, recognizing that our variety of backgrounds, experiences, and perspectives leads to better solutions, which fosters our continued success for our employee-owners and clients.&nbsp;
In accordance with ESA’s duty and responsibility to provide and maintain a safe workplace that is free of known hazards and to minimize the exposure to potential hazards, any employee who works from an ESA office or conducts any other in-person ESA work-related activity is required to submit their proof of vaccination status or have received an approved exemption and accommodation in states which this applies.&nbsp;

If you are an applicant with a disability that requires a reasonable accommodation to complete any part of the application process or are limited in the ability—or unable to use—the online application system and need an alternative method for applying, you may contact our Human Resources Department via email:&nbsp;<a href="mailto:humanresources@esassoc.com">humanresources@esassoc.com</a>&nbsp;for assistance.
&nbsp;Please include the following in your message so we can promptly address your request:
<ul>
<li style="font-weight: bold;">Full name</li>
<li style="font-weight: bold;">The best method to contact you (phone number and/or email address)</li>
<li style="font-weight: bold;">Title of Job Position Applied</li>
<li style="font-weight: bold;">Description of your accommodation request</li>
</ul>

&nbsp;
ESA is an Equal Opportunity Employer, committed to a diverse and inclusive work environment. (EOE&nbsp;M/V/F/D)&nbsp;
&nbsp;
&nbsp;</div>

Junior Coastal Engineer

Bachelor’s in Civil/Environmental Engineering or related field; 0-3 years’ experience; EIT or ability to obtain within 1 year; coastal/restoration experience desirable; proficiency in design/modeling software preferred; strong communication; ability to work in hybrid office settings.

Overview <a href="https://www.keysight.com/us/en/about.html" target="_blank" style="color: #e90029;" rel="noopener">Keysight</a> is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over 100 countries. Learn more <a href="https://www.youtube.com/watch?v=ykxkSz5DlPo&t=16s" target="_blank" style="color: #e90029;" rel="noopener">about what we do.</a> Our <a href="https://jobs.keysight.com/awards" target="_blank" rel="noopener">award-winning</a> culture embraces a bold vision of where technology can take us and a passion for tackling challenging problems with industry-first solutions. We believe that when people feel a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers. Responsibilities We are seeking an entry-level NPI Software & Test Process Engineer to support transitioning new electronic products into production by developing and improving software-driven test systems and manufacturing workflows. The role partners with hardware NPI, manufacturing, quality, and supply chain teams to create reliable, automated test processes and modernize test/workflow software using AI and automation. Key responsibilities:<ul><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Develop, validate, and maintain production test software and automated test sequences for prototype and pre-production units.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Design and implement test frameworks, data collection/logging, and test result analysis tools to support high-volume manufacturing.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Create and update automated workflows and test applications (e.g., C#, Python, OpenTap, or other test frameworks).</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Support integration of automated test equipment (ATE) and test fixtures; troubleshoot hardware-software interactions.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Implement workflow modernization initiatives leveraging AI/ML for anomaly detection, predictive maintenance, test optimization, and data-driven yield improvements.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Automate repetitive NPI tasks (build reports, data aggregation, regression testing) and integrate systems with PLM/MES/ERP where appropriate.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Participate in Design for Testability (DFT) and software requirements reviews; propose improvements to reduce test time and increase coverage.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Perform root-cause analysis of test failures and work with cross-functional teams to implement corrective actions.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Produce clear technical documentation: test procedures, software release notes, and validation reports.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Track NPI metrics, report project status, and support continuous improvement efforts.</li></ul>  Qualifications Required:<ul><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Bachelor’s degree in Computer Science, Electrical Engineering, Software Engineering, or related field.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Internship/co-op or project experience developing test software, automation scripts, or test frameworks.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Proficiency in at least one programming language used for test automation (Python strongly preferred; OpenTap, C#, or similar acceptable).</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Familiarity with test equipment (multimeters, oscilloscopes, power supplies) and ATE concepts.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Basic understanding of electronics and PCB-level testing.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Experience with data collection, logging, and basic data analysis (pandas, NumPy, or similar).</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Strong problem-solving skills and experience with debugging software/hardware integration issues.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Good communication and teamwork skills; ability to work in lab/production environments.</li></ul>Preferred:<ul><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Experience applying AI/ML methods for anomaly detection, predictive maintenance, or yield optimization (e.g., scikit-learn, TensorFlow, PyTorch).</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Experience with workflow automation tools or RPA platforms and integrating software with MES/PLM/ERP systems.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Familiarity with test frameworks (pytest, Robot Framework) and test equipment APIs (IVI, VISA).</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Knowledge of version control (Git), CI/CD practices, and automated testing pipelines.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Understanding of manufacturing processes (SMT, ICT, functional test) and quality systems (ISO9001, Six Sigma basics).</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Experience with time-series data analysis, dashboards (Grafana, Power BI), and telemetry pipelines.</li><li style="font-size: 12pt; font-family: Aptos, sans-serif;">Prior exposure to scripting for instrument control (PyVISA, nidaqmx) or ATE</li></ul>Santa Rosa, CA: MIN $123,000.00 - MAX $148,000.00 Most offers will be between the minimum and the midpoint of the Salary Range listed above.    Note: For other locations, pay ranges will vary by region  US Employees may be eligible for the following benefits:<ul style="list-style-type: initial;"><li>Medical, dental and vision</li><li>Health Savings Account</li><li>Health Care and Dependent Care Flexible Spending Accounts</li><li>Life, Accident, Disability insurance</li><li>Business Travel Accident and Business Travel Health</li><li>401(k) Plan</li><li>Flexible Time Off, Paid Holidays</li><li>Paid Family Leave</li><li>Discounts, Perks</li><li>Tuition Reimbursement</li><li>Adoption Assistance</li><li>ESPP (Employee Stock Purchase Plan)</li></ul><a style="color: #ff0000;" href="https://about.keysight.com/en/jobs/careers_privacy_statement.pdf" target="_blank" rel="noopener">Careers Privacy Statement</a>***Keysight is an Equal Opportunity Employer.***

R&D Test Software Engineer

Bachelor’s in CS/EE, internship/project in test software, Python (preferred), OpenTap/C#/similar acceptable, test equipment familiarity, electronics basics, data analysis (pandas/NumPy), strong problem solving and communication.

Position Summary The Applications Engineering Internship offers a great opportunity to assist the Applications Engineering Department in developing self-help tools and other engineering projects, all the while growing your knowledge base through hands on experience. This role will interface with Electrical and Mechanical Engineers to develop web-based tools to strengthen technical support for Parker’s Electromechanical products. This will include but is not limited to mimicking Excel lookup tools for gearhead mounting kits, consolidating different obsolete cross reference tools, etc. The Applications Engineering Intern will also be responsible for developing documentation for these new tools. Other duties may be assigned as needed based on your skills and our requirements.Qualifications <ul><li>Student entering Sophomore, Junior, or Senior year of school in the Fall of 2026.</li><li>Student majoring in Software, Electrical, or Mechanical Engineering (or equivalent major)</li><li>Experience with LabView, Python, or equivalent programming language.</li><li>Strong analytical and problem-solving skills with attention to detail.</li><li>Demonstrated proficiency in Microsoft Excel (PivotTables, lookups, conditional logic, charting; Power Query preferred).</li><li>Experience with Microsoft Access and querying relational data.</li><li>Working knowledge of SQL (SELECT statements, JOINs, GROUP BY, basic data aggregation).</li><li>Willingness to learn and assist all Applications Engineering departments and disciplines.</li><li>Strong communication and teamwork skills.</li><li>Positive attitude with passion for growth, can-do approach to obstacles.</li><li>Able to work in a flexible and changing environment</li></ul>Parker Hannifin Parker Hannifin is a Fortune 250 global leader in motion and control technologies. For more than a century, we’ve enabled engineering breakthroughs that make energy cleaner, transportation safer, medical treatments more effective, and manufacturing more efficient.With empowered team members in more than 40 countries, Parker serves customers across aerospace &amp; defense, energy, HVAC &amp; refrigeration, in-plant &amp; industrial equipment, off-highway and transportation.Our scale is global, but our purpose is personal. We enable breakthroughs that improve lives, strengthen communities and create a brighter future.Our Purpose — Enabling Engineering Breakthroughs that Lead to a Better Tomorrow — comes to life through our people-first culture where teamwork drives performance, inclusion fuels innovation and growth is encouraged. This environment fosters collaboration and empowers team members from engineering and manufacturing to finance, supply chain, human resources, information technology and beyond.By combining deep expertise with an entrepreneurial spirit, we help customers succeed in markets that demand performance, reliability, and sustainability.As we look to the future, Parker is advancing initiatives in energy efficiency and sustainability while developing the next generation of talent and leaders to engineer a better tomorrow.Pay, Benefits, Work Schedule Competitive Compensation<ul><li>Pay Range:  $20.52/hr to $34.2/hr</li><li>No benefit plan eligibility</li></ul>Equal Employment Opportunity Parker is an Equal Opportunity and Affirmative Action Employer. Parker is committed to ensuring equal employment opportunities for all job applicants and employees. Employment decisions are based upon job related reasons regardless of race, ethnicity, color, religion, sex, sexual orientation, age, national origin, disability, gender identity, genetic information, veteran status, or any other status protected by law.  However, U.S. Citizenship, Permanent Residency or other appropriate status is required for certain positions, in accord with U.S. import &amp; export regulations. (“Minority / Female / Disability / Veteran / VEVRAA Federal Contractor”)If you would like more information about Equal Employment Opportunity as an applicant under the law, please go to <a href="https://www.eeoc.gov/employees-job-applicants">Employees &amp; Job Applicants | U.S. Equal Employment Opportunity Commission</a>Drug Tests Drug-Free Workplace In accordance with Parker’s policies and applicable state laws, Parker provides for a drug-free workplace. Therefore, all applicants seeking employment with Parker will be subject to drug testing as a condition of employment.

Intern Product Development

Engineering student (Sophomore–Senior) for Fall 2026; majors in Software, Electrical, or Mechanical Engineering; experience with LabView/Python; strong Excel/Access/SQL skills; collaborative and adaptable.

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