Entry Level Software Developer Jobs in Walnut, CA

Join an amazing team that is consistently recognized for our achievements and culture, including our most recent Forbes award of being one of America's Best Midsize Employers for 2026!

Position Summary:

As a Software Engineer II, you will be responsible for designing, developing, and maintaining complex software systems. This role involves working on more advanced projects compared to entry-level positions and requires a deeper understanding of software engineering principles. In this role you will also mentor other less experienced engineers.

An in-person interview may be required during the hiring process

State specific pay scales for this role are as follows:

$83,670.00 to $161,815.00 (NJ, NY, WA, HI, AK, MD, CT, RI, MA)

$76,064 to $147,104 (NV, OR, AZ, CO, WY, TX, ND, MN, MO, IL, WI, FL, GA, MI, OH, VA, PA, DE, VT, NH, ME)

$68,457 to $132,394 (UT, ID, MT, NM, SD, NE, KS, OK, IA, AR, LA, MS, AL, TN, KY, IN, SC, NC, WV)

In CA: Typical hiring range is $110,468.25 to $153,428.13  

The expected base salary for this position will vary depending on a number of factors, including relevant experience, skills and location.

Essential Job Functions: 

• Write high-quality code for medium-complexity scenarios with good test coverage.
• Review and translate product requirements into robust designs to ensure high-quality applications that are modular, configurable, maximize reuse, and are fast, effective, user-friendly, secure, compliant, scalable, and maintainable.
• Assist with any application system support needs.
• Participate in design and code reviews of applications to ensure best practices, adherence to Mercury standards, and high quality.
• Mentor and provide technical guidance to other engineers on the team, fostering a culture of innovation and excellence within Mercury engineering.

Education: 

Min: 

• Bachelor’s Degree in Computer Science, Information Systems or other related fields Or equivalent combination of education and experience.

Preferred: 

• Master’s Degree in Computer Science.

Skills:

Minimum:

• Experienced in programming in an one or more industry-standard language (e.g., Java, Python, GoLang, C++, JavaScript).
• Experienced in Leveraging various Data Structures, Algorithms and Design Patterns.
• Experienced in relational databases, NoSql and caching solutions. 
• Knowledge of APIs using modern protocols like Rest and gRPC. 
• Knowledge of Message queuing, data streaming, workflow and integration frameworks (like Apache Kafka, apache Nifi, Amazon SQS, MS  MQ, Apace Camel etc.).
• Knowledge of Micro Services Arcitecture.
• Knowledge of containerization technologies like Docker and Kubernetes. 
• Knowledge of Leveraging DevSecOps to Improve Engineering Efficiency.
• Experienced in Designing and implementing high quality Applications that are modular, configurable, maximize reuse, are fast, effective, user friendly, secure, compliant, scalable, and maintainable. 
• Ability to Collaborate and Influence other teams to address impedements and deliver desired resuls.

Preferred:

• Knowledge of cloud platforms such as AWS, Google Cloud, or Azure.
• Knowledge of leveraging DevSecOps to improve engineering efficiency.

Why choose a career at Mercury?

At Mercury, we have been guided by our purpose to help people reduce risk and overcome unexpected events for more than 60 years. We are one team with a common goal to help others. Everyone needs insurance and we can’t imagine a world without it.

Our team will encourage you to grow, make time to have fun, and work together to make great things happen. We embrace the strengths and values of each team member. We believe in having diverse perspectives where everyone is included, to serve customers from all walks of life.

We care about our people, and we mean it. We reward our talented professionals with a competitive salary, bonus potential, and a variety of benefits to help our team members reach their health, retirement, and professional goals.

Learn more about us here: https://www.mercuryinsurance.com/about/careers

#LI-NW1

We offer many great benefits, including:

• Competitive compensation
• Flexibility to work from anywhere in the United States for most positions
• Paid time off (vacation time, sick time, 9 paid Company holidays, volunteer hours)
• Incentive bonus programs (potential for holiday bonus, referral bonus, and performance-based bonus)
• Medical, dental, vision, life, and pet insurance
• 401 (k) retirement savings plan with company match
• Engaging work environment
• Promotional opportunities
• Education assistance
• Professional and personal development opportunities
• Company recognition program
• Health and wellbeing resources, including free mental wellbeing therapy/coaching sessions, child and eldercare resources, and more

Mercury Insurance is an equal opportunity employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by federal, state, or local law.