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117 senior application developer jobs at 75 companies in Lancaster, CA

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SENIOR APPLICATION DEVELOPER
Los Angeles County, California, United States
$8k-$11k/mo HybridFull Time
County of Los Angeles
County of Los Angeles: Provides public services and healthcare to Los Angeles County residents.
Technical lead experience designing and maintaining multi-cloud enterprise applications; proficiency with APEX, Laravel/PHP, cloud platforms, SQL/PLSQL, Atlassian tools, and enterprise reporting; ability to translate business needs into system designs.
OCI, AWS, Azure, Atlassian, Cognos, Oracle APEX, Laravel (PHP), HTML, JavaScript, CSS, Jira, Jira Service Management, Confluence, AWS Connect, IAM, Kubernetes, SQL, PL/SQL, Power BI Gateway, eCAPS, eHR, Microsoft PowerPoint, Microsoft Visio, Microsoft SharePoint
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1w
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Senior Mobile Application Developer
Burbank, California, United States
$110k-$205k/yr HybridFull Time
Warner Bros. Discovery
Warner Bros. DiscoveryNasdaq: WBD: Produces and distributes multimedia entertainment content and news worldwide.
5+ YOE5+ years mobile application development experience with expert Kotlin/Java and strong Swift; experience with Android, iOS/tvOS/macOS platforms, app store administration, CI/CD, and video streaming technologies.
Kotlin, Java, Swift, SwiftUI, UIKit, Combine, Swift Concurrency, Xcode, TestFlight, App Store Connect, Android SDK, Google Play Console, Bitmovin, DRM, Google Cast, GitHub, Bitrise
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2mo
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Senior Application Security Engineer
Los Angeles or New York or San Francisco
$165k-$190k/yr HybridFull Time
Tatari
Tatari: A platform for buying and measuring TV advertising campaigns.
Production Python experience, strong hands-on application security (SAST/DAST/SCA), threat modeling, CI/CD automation, container/AWS/Kubernetes security, API security, and LLM risk mitigation.
Python, Java, Rust, AWS, Kubernetes, CI/CD, SAST, DAST, SCA, OWASP Top 10, API Security Top 10, ASVS, SPVS, AISVS, LLM
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Senior Application Engineer I
Boston or Chicago or New York City or Los Angeles or Washington
$133k-$183k/yr HybridFull Time
Kirkland & Ellis
Kirkland & Ellis: Provides legal services for corporate, litigation, and transactional matters.
8+ YOE8+ years in advanced application support/configuration, experience with e-discovery platforms, APIs/ETL, Microsoft SQL, Linux, REST APIs, PowerShell; bachelor's in CS or equivalent; strong problem solving and communication.
Relativity Server/One, Reveal, BrainSpace, Microsoft SQL, Linux, REST APIs, PowerShell, ETL
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Senior Application Security Engineer
Seattle or Los Angeles or San Francisco or California or Colorado or Connecticut or Delaware or Hawaii or Illinois or Maine or Maryland or Massachusetts or Minnesota or Nevada or New Jersey or New York or Rhode Island or Virginia or Washington or Washington DC or United States
$141k-$259k/yr OnsiteFull Time
Nordstrom
Nordstrom: Operates luxury department stores and off-price retail outlets.
4+ YOE4+ years in application security or related field; experience shipping security tooling and automation; expert threat modeling, security design review, and manual code review; fluent reading/writing code in Java, Kotlin, C#, or Python; cloud-native and LLM/AI security knowledge.
Java, Kotlin, C#, Python, SAST, SCA, DAST, secrets scanning, GitHub Advanced Security, JFrog Artifactory, AWS, GCP, Azure, Kubernetes, LLM
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1mo
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Staff Integration & Application Developer
Austin or Los Angeles County
$137k-$188k/yr OnsiteFull Time
Procore
ProcoreNYSE: PCOR: Cloud-based construction management software for projects and teams.
7+ YOE7+ years in integration engineering for finance/SaaS; expert Workato experience, strong Python or JavaScript, SQL, REST/SOAP/Webhooks; finance domain knowledge; architecture, governance, and AI-assisted development experience.
Workato, Workato AI Agents, MuleSoft, Boomi, SnapLogic, NetSuite, Salesforce, Zuora, Certinia, Coupa, Zip, Python, JavaScript, SQL, REST, SOAP, Webhooks, Jira
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3w
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Senior Application Data Engineer
Los Angeles, California, United States
$160k-$200k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
8+ YOE8+ years experience designing data models, ETL/data pipelines, and database solutions; expertise with relational and NoSQL databases, cloud-hosted DBs, CI/CD, Docker, Kubernetes; strong communication and mentoring skills.
MS SQL, PostgreSQL, Snowflake, AWS RDS, AWS PostgreSQL, CI/CD, Docker, Kubernetes, AWS EKS, NoSQL, Amazon DynamoDB, MongoDB, REST API, AWS Redshift
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Senior Modern Desktop Application Engineer
New York City or Boston or Chicago or Washington or Los Angeles or San Francisco or San Jose
$135k-$232k/yr HybridFull Time
Ropes & Gray
Ropes & Gray: Provides legal representation and advisory services to global corporations.
5+ YOEBachelor's degree preferred,5+ years supporting Microsoft 365 stack in enterprise,expertise in Teams/Outlook/OneDrive/Litera,PowerShell/Group Policy/Intune/Azure AD,strong analytical,communication,and leadership skills.
Microsoft 365, Office, Teams, Outlook, Outlook New, OneDrive, Litera, PowerShell, Group Policy, Intune, Azure AD
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3mo
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Application Engineer – Multi-Physics Simulation
Ghent or Calabasas
OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNew York Stock Exchange: KEYS: Manufactures hardware and software for electronic test and measurement.
Bachelor's or Master’s in EE/ME/Physics, strong understanding of electronic design workflows, experience with engineering simulation/EDA tools, ability to translate engineering problems into product requirements, customer-facing and product ownership experience, excellent English.
Electronic Design Automation (EDA), Keysight ADS, Cadence Allegro, Cadence Celsius, Siemens FloTherm, Siemens NX, Ansys Mechanical / Icepak
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1mo
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Digital Solutions Application Engineer - West Region (66159)
San Diego or City of Industry or Pleasanton or Wilsonville or Tukwila or Littleton or Salt Lake City
$143k-$252k/yr HybridFull Time
Eaton
EatonNYSE: ETN: Manages electrical, hydraulic, and mechanical power systems globally.
7+ YOEBachelor's in EE/ME or related STEM, 7+ years application engineering/technical pre-sales experience in electrical power/controls/digital solutions, consultative/outcomes selling experience, valid driver's license, US work authorization, travel up to 50%.
SCADA, BAS, EPMS
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2mo
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Senior Software Engineer, Recognition Intelligence Applications
Los Angeles or New York
$150k-$200k/yr OnsiteFull Time
Metropolis
Metropolis: Computer vision technology for checkout-free parking and retail payments.
6+ YOE6+ years software engineering; advanced Scala/Java; distributed systems; microservices; Agile; databases (MySQL/Postgres).
TypeScript, React, Scala, Java, MySQL, PostgreSQL, Snowflake, AWS, Datadog, Git, GitHub, Copilot, Claude Code
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1mo
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Senior Software Engineer
Columbus or Boston or Chicago or Austin or Los Angeles or United States or Canada or United Kingdom or Australia
$155k-$195k/yr HybridFull Time
Loop Returns
Loop Returns: Software platform automating e-commerce returns and post-purchase experiences.
5+ YOE5+ years building web applications, backend services, and APIs; strong PHP/Laravel preferred; AI-first tooling experience; ownership of production systems; mentoring and leading technical initiatives.
Claude Code, Cursor, PHP, Laravel, Vue.js, MySQL, DynamoDB, Kubernetes, AWS, Serverless
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1mo
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Senior Software Engineer, Frontend
Calabasas, California, United States
$120k-$145k/yr OnsiteFull Time
AmaWaterways
AmaWaterways: Provides luxury river cruise vacations on international waterways.
5+ YOE5+ years building web applications with React and Next.js, strong TypeScript, frontend performance, accessibility, REST/GraphQL integration, Builder.io experience, and ability to mentor junior developers. Bachelor's degree or equivalent experience.
React, Next.js, TypeScript, JavaScript, HTML5, CSS3, Tailwind CSS, CSS Modules, styled components, Emotion, Builder.io, REST, GraphQL, Jest, React Testing Library, Cypress, Playwright, Git, GitHub, Vercel, Netlify, AWS, Azure, Lighthouse, Chrome DevTools, Web Vitals, Microsoft Office
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5d
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Manufacturing Application Engineer – Digital Manufacturing & Automation, Cell Therapy
Tarzana, California, United States
$127k-$191k/yr HybridFull Time
AstraZeneca
AstraZenecaLondon Stock Exchange: AZN: Researches and develops medicines to treat major diseases globally.
8+ YOEBachelor's degree,8+ years in manufacturing systems/MES/LIMS/digital manufacturing,technical product ownership,vendor governance,automation and robotics integration,knowledge of GxP/CFR Part 11 and validation.
Tulip, HighByte, OPC-UA, MQTT, SMB, NFS, SAP, Python, JavaScript, Java, C#, CI/CD
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5d
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Manufacturing Application Engineer – Digital Manufacturing & Automation, Cell Therapy
Tarzana, California, United States
$127k-$191k/yr HybridFull Time
AstraZeneca
AstraZenecaLondon Stock Exchange: AZN: Global biopharmaceutical developing and manufacturing prescription medicines.
8+ YOE8+ years in manufacturing systems or automation with MES/LIMS experience, technical product ownership, vendor governance, API/middleware knowledge, GxP compliance, and Agile delivery.
Tulip, HighByte, OPC-UA, MQTT, SMB, NFS, SAP, Python, JavaScript, Java, C#
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1mo
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Senior Software Engineer, WebOTT
San Francisco or Los Angeles or New York City
$186k-$266k/yr HybridFull Time
Tubi
TubiNASDAQ: FOXA: Free ad-supported streaming service for movies and television.
5+ YOE5+ years building high-performance web applications with React, Redux, JavaScript/TypeScript, HTML5/CSS and Web APIs; experience leading initiatives and mentoring engineers; CI/CD and infrastructure familiarity.
React, Redux, Node.js, GitHub Actions, Terraform, CDN, JavaScript, Web APIs, HTML5, CSS, TypeScript
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2w
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Senior Full Stack Engineer
Beverly Hills, California, United States
$175k-$190k/yr HybridFull Time
MediaLab: Acquires and operates a portfolio of digital media brands.
5+ YOE5+ years building production web applications; backend experience with Ruby/Python/Node.js/Django; frontend with React or Rails; API and database design; CI/CD and monitoring experience.
Ruby, Python, Node.js, Django, React, Rails, JavaScript, CI/CD, New Relic, Datadog
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1mo
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Senior Software Engineer, RCM Billing
Mountain View or San Francisco or Los Angeles or New York City
$170k-$240k/yr HybridFull Time
Commure
Commure: AI-powered software platform for healthcare workflow and administrative automation.
5+ YOE5+ years building scalable full-stack applications; proficiency with JavaScript/React, Python, and PostgreSQL; strong architecture, observability, performance, and mentoring skills.
ReactJS, React, Vue, JavaScript, Python, PostgreSQL, GraphQL, REST, gRPC, CI/CD, EHRs
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1mo
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Senior Software Engineer - Platform and Infrastructure
Glendale or Seattle or Bristol
$142k-$199k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
5+ YOEBachelor's in computer science or related field, 5+ years technical experience, hands-on ML and production-grade software development, API integration, defensive application design, and strong technical communication.
Kinesis, Dynamo, ElastiCache, Lambda, S3, ECS, Aurora, Bedrock, JavaScript, TypeScript, Swift, Kotlin, Terraform, CloudFormation, CloudWatch, Datadog
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1w
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Lead Application Security - DevSecOps & AI-Driven Software Assurance
Dallas or San Marino
$120k-$180k/yr OnsiteFull Time
East West Bank
East West BankNASDAQ: EWBC: Provides commercial and consumer banking services across US and Asia.
Proven application security/DevSecOps experience with SAST/DAST, GitHub Advanced Security, third-party software analysis or binary/reverse engineering, threat intelligence integration, secure SDLC, and penetration testing coordination; US work authorization required.
GitHub, GitHub Advanced Security, GitHub Workflows, CodeQL, Dependabot, OWASP ZAP, WAF
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