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Senior Software Engineer Jobs in California, MD (NOW HIRING)

Has a strong understanding of software architecture in order to identify impacts of bug fixes across the entire software platform. Sr. Software Test Engineer I's at Tandem are also responsible for:

Senior Software Developer

California, MD · On-site

$90K - $145K/yr

... engineer within the DOD environment. Active Secret Security Clearance. Able to design, develop, and work with users of software in group or individual settings. Experience developing Microsoft ...

New

Senior Software Developer

California, MD · On-site

$90K - $145K/yr

... engineer within the DOD environment. Active Secret Security Clearance. Able to design, develop, and work with users of software in group or individual settings. Experience developing Microsoft ...

New

Senior Software Developer

Great Mills, MD · On-site

$53.50 - $70.75/hr

... software. Work closely with avionics engineers, systems engineers, and test personnel to support integration events, troubleshooting, and verification of mission system functionality. Develop ...

Senior Software Developer

Great Mills, MD · On-site

$53.50 - $70.75/hr

... test software. * Work closely with avionics engineers, systems engineers, and test personnel to support integration events, troubleshooting, and verification of mission system functionality.

MANTECH seeks a career and customer oriented Senior Software Systems Lead in Lexington Park, MD ... Act as the principal technical liaison between engineering teams and government stakeholders ...

Job Summary The Software Developer (WSCE-JSE)-Senior develops and maintains advanced software solutions for modeling and simulation environments supporting training, testing, data analysis, and ...

Showing results 41-60

Senior Software Engineer information

See California, MD salary details

$72.4K

$137.3K

$184K

How much do senior software engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for senior software engineer in California, MD is $137,315.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,400.00 and $154,800.00 per year, depending on experience, location, and employer.

What is a senior software engineer?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

What are the key skills and qualifications needed to thrive as a senior software engineer, and why are they important?

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.

What are some common challenges senior software engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

What is the difference between Senior Software Engineer vs Software Developer?

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

What does a senior software engineer do?

A senior software engineer designs, develops, and maintains software applications, often leading projects and mentoring junior team members. They analyze requirements, write code, perform testing, and collaborate with cross-functional teams to ensure quality and efficiency. Proficiency in programming languages, problem-solving skills, and experience with development tools are essential for this role.

What are the most commonly searched types of Software Engineer jobs in California, MD?

The most popular types of Software Engineer jobs in California, MD are:

What cities near California, MD are hiring for Senior Software Engineer jobs?

Cities near California, MD with the most Senior Software Engineer job openings:

Infographic showing various Senior Software Engineer job openings in California, MD as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $137,315 per year, or $66 per hour.

Sr Software Test Engineer I

Tandemdiabetes

California, MD • Hybrid

$119K - $145K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 29 days ago


Job description

GROW WITH US:
Tandem Diabetes Care creates new possibilities for people living with diabetes, their loved ones, and their healthcare providers through a positively different experience. We'd love for you to team up with us to "innovate every day," put "people first," and take the "no-shortcuts" approach that has propelled us to become a leader in the diabetes technology industry.


STAY AWESOME:
Tandem Diabetes Care is proud to manufacture and sell the Tandem Mobi system and t:slim X2 insulin pump with Control-IQ+ technology - an advanced predictive algorithm that automates insulin delivery. But we're so much more than that. Our company's human-centered approach to design, development, and support delivers innovative products and services for people who use insulin. Because many of our own team members live with diabetes, or have a loved one impacted by diabetes, the work is personal, and we are committed to the cause. Learn more at tandemdiabetes.com

A DAY IN THE LIFE:

Defines and leads test projects by defining schedules, reviewing test plans, tools and test automation frameworks. Knowledgeable about working with CI systems and a sound understanding of modular testing involving subsystems. Owns the team's technical deliverables, leads and coordinates activities of employees and reviews detailed configuration and descriptions for passing and failing tests for product evaluation reports. Oversees documentation of test operations and reports results to software engineering. Has a strong understanding of software architecture in order to identify impacts of bug fixes across the entire software platform.

Sr. Software Test Engineer I's at Tandem are also responsible for:

  • Develops and assists with implementation of software validation test plans.

  • Prepares and reviews software test plan reports including pass/fail product evaluations.

  • Leads cross functional reviews of test plans across teams.

  • Performs and documents software test audits in compliance with test plan procedures.

  • Assists product development engineers in the diagnosis and replication of product failures.

  • Works independently to identify solutions that confirm bug fixes.

  • Navigates the product development process to efficiently bring products to market.

  • Oversees and identifies actual or potential problems in test plans.

  • Efficiently manages own time to complete work and associated paperwork by assigned completion dates.

  • Records and compiles data for documentation of test procedures and prepares reports.

WHEN & WHERE YOU'LL WORK:

Hybrid: This role will be a mix of in-office work at our corporate headquarters in Del Mar, CA and remote work. This position is expected to be in office 2 days per week but may vary depending on business demands.

WHAT YOU'LL NEED:

  • Working knowledge of at least one embedded or cloud-based programming language, preferably JavaScript, C or C#.

  • Ability to read and follow procedures and flow diagrams.

  • Ability to effectively share information and ideas within and outside of department in written or verbal form; able to put forth own ideas and gain understanding from others.

  • Proficient at supporting effective interactions between team members and among cross-functional teams.

  • Demonstrated ability to schedule and coordinate project priorities and resources and to produce high quality work.

  • Ability to work with and understand automated insulin delivery algorithms.

  • Experience with MS Office suite (Word, Excel, Outlook).

  • Capable of defining and developing test tools to verify features and increase automated test coverage.

  • Knowledgeable about CI systems and constantly able to improve quality of builds.

  • Conversant with IEC 62304standard.

EXTRA AWESOME:

  • Requires a bachelor's degree in software engineering or computer sciences or related field or equivalent combination of education and applicable job experience.

  • 7+ years' experience with software test or quality assurance

  • Experience as a lead tester who fully participates in specification and clarification of software requirements.

  • Must have experience as a test engineer with expertise in the system they support.

  • Experience with creation, Design Change Assessments and participating in the software review board.

  • Experience in proof reading, following detailed work instructions and projects requiring critical thinking skills.

  • Expert in the use of one (or more) test automation framework and an associated scripting language.

COMPENSATION & BENEFITS:

The starting base pay range for this position is $119,300 to $145,000 annually. Base pay will vary based on job-related knowledge, skills, experience and may also fluctuate depending on candidate's location and the overall job market. In addition to base pay, Tandem offers a competitive compensation package that includes bonus and a robust benefits package.

Tandem offers health care benefits such as medical, dental, vision available your first day, as well as health savings accounts and flexible saving accounts. You'll also receive 11 paid holidays per year, a minimum of 20 days of paid time off (with accrual starting on day 1) and you will have access to a 401k plan with company match as well as an Employee Stock Purchase plan. Learn more about Tandem's benefits here!

YOU SHOULD KNOW:

Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable state and local Fair Chance laws and regulations. A conditional offer of employment from Tandem is contingent upon successful completion of a pre-employment screening process comprised of a drug test (excluding marijuana) and background check, which includes a review of criminal history information.

Tandem has good cause to conduct a review of criminal history information of candidates for this position, as this role may involve access to proprietary, sensitive and/or confidential information, including customer protected health information. This review is required to ensure that individuals in such roles uphold high standards of trust and integrity so as to protect the interests of our customers, employees, and stakeholders.

SPONSORSHIP:

Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.

WHY YOU'LL LOVE WORKING HERE:
At Tandem, we believe joy fuels excellence. That's why we've built a workplace that celebrates your achievements and supports your well-being. Our team thrives on pushing boundaries and fostering growth, all while maintaining a spirit of fun and camaraderie. This is just one of the ways we stay awesome! Explore the benefits and reasons to love Tandem at https://www.tandemdiabetes.com/careers.

BE YOU, WITH US!

We embrace the value that every single one of us brings to the table. But sometimes we forget that when we don't meet 100% of a job description's criteria - maybe you're feeling that way right now? We encourage you to apply anyway. Because we want you to be you, with us.

Tandem is firmly committed to being an equal opportunity employer and does not discriminate on the basis of age, disability, sex, race, religion or belief, gender identity or expression, marriage/civil partnership, pregnancy/maternity, or sexual orientation. We are an inclusive organization, and we welcome applications from a wide range of candidates. Selection for roles will be based on individual merit alone.

REFERRALS:
We love a good referral! If you know someone who would be a great fit for this position, please share!

APPLICATION DEADLINE:
The position will be posted until a final candidate is selected for the requisition or the requisition has a sufficient number of applications.

Make a move that matters. Join Tandem Diabetes Care, where we're turning challenges into triumphs every day and where your talents will help shape a healthier, happier tomorrow.

#LI-KT1 #LI-Hybrid