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Junior App Developer Jobs in California (NOW HIRING)

Payactiv, Inc.

Senior AWS DevOps Engineer

Milpitas, CA

$165K - $200K/yr

Our app provides millions with financial services that help them avoid debt, manage their finances ... Mentor junior engineers and ensure DevOps/security best practices are followed. What you need: * 8 ...

Collabera

Mobile Application Developer

Foster City, CA · On-site

Must have IOS and Android, app development experience. Manager said Rest java hands-on experience ... junior developers Review and challenge requirements and implementations designs Conduct peer ...

Snapchat

People Application Developer

Los Angeles, CA · On-site

The Company operates Snapchat, a visual messaging app that enhances your relationships with friends ... Lead and mentor junior team members, effectively delegating tasks and ensuring adherence to best ...

Evolver

Senior GenAI Engineer (Python)

Palo Alto, CA · Hybrid

$142K - $192K/yr

As a Senior GenAI Developer, you will lead the design, development, and deployment of scalable ... Mentorship: Guide and support junior developers to foster technical growth within the team.

Evolver

Senior GenAI Engineer (Python)

Palo Alto, CA · On-site

$142K - $192K/yr

As a Senior GenAI Developer, you will lead the design, development, and deployment of scalable ... Mentorship: Guide and support junior developers to foster technical growth within the team.

DigitalT3

Be Seen First

Senior GenAI Engineer (Python)

San Francisco, CA · On-site

$170K - $200K/yr

As a Senior GenAI Developer, you will lead the design, development, and deployment of scalable ... Mentorship : Guide and support junior developers to foster technical growth within the team.

Snapchat

People Application Developer

Palo Alto, CA

The Company operates Snapchat, a visual messaging app that enhances your relationships with friends ... Lead and mentor junior team members, effectively delegating tasks and ensuring adherence to best ...

Snapchat

People Application Developer

Los Angeles, CA

The Company operates Snapchat, a visual messaging app that enhances your relationships with friends ... Lead and mentor junior team members, effectively delegating tasks and ensuring adherence to best ...

Snap, Inc.

People Application Developer

Palo Alto, CA · On-site

The Company operates Snapchat, a visual messaging app that enhances your relationships with friends ... Lead and mentor junior team members, effectively delegating tasks and ensuring adherence to best ...

DivIHN Integration Inc

iOS Software Engineer

San Diego, CA · On-site

$55 - $75.75/hr

Junior - 2, Mid - 3, Senior - 8 Business units to interact with are Product Management ... You have a minimum 1-2 years of native iOS app development experience using Swift in combination ...

Air Apps

iOS Engineer

San Francisco, CA · On-site

$140K - $180K/yr

... App Store. Please note that this post serves the purpose of enhancing our talent pool while we ... Conduct code reviews and mentor junior engineers. * Stay up to date with the latest iOS development ...

Apple

Software Engineer Apps Store

Bodega Bay, CA

$184K - $277K/yr

When the App Store was first introduced it launched a cultural and economic phenomenon that changed ... Experience in mentoring junior developers and taking a lead on cross-functional technical projects ...

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All JobsApp Developer JobsJunior App Developer JobsJunior App Developer Jobs in California

Junior App Developer information

See California salary details

$23.7K

$87.8K

$135.7K

How much do junior app developer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for junior app developer in California is $87,810.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,100.00 and $85,900.00 per year, depending on experience, location, and employer.

What types of projects and technologies do junior app developers typically work on in their first year?

As a Junior App Developer, you will often start by working on smaller features, bug fixes, or assisting with app maintenance under the guidance of more experienced developers. Common technologies include popular programming languages like Java, Swift, Kotlin, or JavaScript, and frameworks such as React Native or Flutter, depending on whether your team focuses on iOS, Android, or cross-platform apps. You'll likely be involved in code reviews, testing, and collaborating with designers and product managers to ensure your work aligns with user needs and business goals. This hands-on experience helps you build foundational skills and prepares you for more complex assignments as you gain confidence.

What does a junior app developer do?

A Junior App Developer is an entry-level professional who assists in the design, development, testing, and maintenance of mobile or web applications. They typically work under the supervision of more experienced developers, writing code, fixing bugs, and learning about various programming languages and development tools. Junior App Developers also collaborate with team members to understand user requirements and contribute to the overall functionality and improvement of applications.

What are the key skills and qualifications needed to thrive as a junior app developer?

To thrive as a Junior App Developer, you need a solid grasp of programming languages (such as Java, Swift, or JavaScript), understanding of software development principles, and a relevant degree or coding bootcamp experience. Familiarity with integrated development environments (IDEs), version control systems like Git, and knowledge of frameworks such as React Native or Flutter are typically expected. Problem-solving abilities, teamwork, adaptability, and effective communication help set candidates apart in collaborative and fast-changing environments. These skills and qualities ensure you can build reliable applications, work well with teammates, and adapt to evolving project requirements.

What is the difference between Junior App Developer vs Mobile App Developer?

AspectJunior App DeveloperMobile App Developer
Required CredentialsTypically an associate degree or bootcamp certification, some coding experienceSimilar; often a degree in computer science or related field
Work EnvironmentEntry-level, team-based projects, supervised tasksDeveloping, testing, and maintaining mobile applications for various platforms
Employer & Industry UsageStartups, small to medium companies, tech firmsTech companies, app development agencies, startups
Common Search & ComparisonYesYes

The main difference between a Junior App Developer and a Mobile App Developer lies in experience level and scope. Junior App Developers are entry-level, focusing on learning and assisting in app projects, while Mobile App Developers typically have more experience and handle full app development processes. Both roles often require similar credentials and work in similar environments, but Mobile App Developers usually take on more complex tasks and responsibilities.

What are the most commonly searched types of App Developer jobs in California? The most popular types of App Developer jobs in California are:
What are popular job titles related to Junior App Developer jobs in California? For Junior App Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Junior App Developer jobs in California look for? The top searched job categories for Junior App Developer jobs in California are:
What cities in California are hiring for Junior App Developer jobs? Cities in California with the most Junior App Developer job openings:
Junior App Developer jobs near you
Infographic showing various Junior App Developer job openings in California as of August 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 100% In-person job distribution, with an average salary of $87,810 per year, or $42.2 per hour.

Senior AWS DevOps Engineer

Payactiv, Inc.

Milpitas, CA

$165K - $200K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 19 days ago

Job description

Job Title: Senior AWS DevOps Engineer
Location: Milpitas, CA (On site)
Salary Range: 165K to 200K (based on experience)
Who we are…
We are Payactiv, a FinTech company in the heart of Silicon Valley, devoted to giving workers access to their earned wages when they need them. Payactiv is the pioneer and industry leader in Earned Wage Access. We are the only Certified B Corporation and Public Benefit Corporation in our industry. Our app provides millions with financial services that help them avoid debt, manage their finances, and regain flexibility to pay for things on their own schedule.
We are seeking a Senior AWS DevOps amp; Cloud Security Engineer with 8–10 years of hands-on experience to own and drive the security, production infrastructure, and DevOps automation across our AWS environment.
This is a critical role where you will be directly responsible for:
  • Designing and securing cloud infrastructure.
  • Managing production-grade systems at scale.
  • Leading DevOps practices across CI/CD, monitoring, and infrastructure automation.
The ideal candidate is a security-first engineer with expertise in AWS, modern containerized platforms (EKS/Docker), AD/IAM integration, Windows workloads, and strong DevOps experience in a regulated, high-availability environment.
What you will do:
  • Own the security posture of AWS accounts, environments, and production workloads.
  • Design, implement, and maintain highly available, scalable, and secure AWS infrastructure.
  • Manage Active Directory (AD) integration with AWS IAM, including EC2, EKS, and application-level access control.
  • Lead end-to-end DevOps initiatives: CI/CD, Infrastructure as Code (IaC), version control, artifact management, and deployment pipelines.
  • Administer and harden Windows Server/IIS workloads hosted on AWS.
  • Implement container orchestration and management via Docker and EKS.
  • Define and enforce cloud governance policies and compliance frameworks (CIS, NIST, HIPAA, etc.).
  • Set up and manage observability systems: alerting, logging, metrics, and dashboards (e.g., Datadog, Dynatrace, AppDynamics).
  • Create and maintain automation scrix`pts and tools to improve operational efficiency.
  • Handle on-call and incident response, including RCA documentation and preventive measures.
  • Monitor and optimize cloud costs, performance, and availability.
  • Mentor junior engineers and ensure DevOps/security best practices are followed.
What you need:
  • 8–10 years of experience in DevOps, Infrastructure, or Cloud Engineering roles.
  • Strong AWS expertise across EC2, VPC, IAM, RDS, S3, Systems Manager, KMS, GuardDuty, CloudWatch, Config, CloudTrail, etc.
  • Proven experience in cloud security, including IAM governance, least privilege policies, and secrets management.
  • In-depth experience with Active Directory, including IAM-AD integration and federated authentication.
  • Production experience with Docker (4+ years) and Amazon EKS/Kubernetes.
  • Strong scripting skills: PowerShell (primary), Bash, or Python.
  • CI/CD pipeline experience using Azure DevOps (VSTS/TFS), GitHub Actions, or Jenkins.
  • Experience with Infrastructure as Code (IaC) tools like Terraform, CloudFormation, or Pulumi.
  • Hands-on experience with Windows Server IIS, .NET/C# applications, and SQL Server.
  • Proficiency in monitoring and APM tools such as Datadog, Dynatrace, AppDynamics, Site24x7.
  • Solid understanding of networking: DNS, Load Balancing, SSL/TLS, VPC, routing, firewalls.
Preferred Qualifications
  • AWS Certifications: DevOps Engineer – Professional, Security – Specialty, or Solutions Architect – Professional.
  • Experience with secrets management tools: AWS Secrets Manager, SSM Parameter Store, or HashiCorp Vault.
  • Familiarity with Zero Trust, SSO, SAML, and OIDC-based authentication models.
  • Knowledge of cost optimization strategies using AWS Cost Explorer, Trusted Advisor, and Savings Plans.
  • Experience working in regulated industries (e.g., healthcare, finance, or government).
What we offer…
  • Company sponsored Health, Dental, and Vision insurance
  • Health, Dental and Vision Reimbursement account
  • 401K, traditional, and Roth with a company match
  • Tuition Assistance or Tuition Reimbursement
  • Unlimited Paid Time off
  • Monthly Gym Reimbursement
  • Paid time off to volunteer
  • Paid Family Leave
  • Complimentary office lunches
  • Opportunity to work with a great team committed to making a difference.

Apply