Legacy Systems jobs in Costa Mesa, CA

Anaheim, California

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trus

Full-time

USD 102,000.00 - 189,000.00 per year

Specialist Test Engineer

Anaheim, California

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Today

Full-time

USD 88,500.00 - 164,500.00 per year

Senior Software Engineer, Strategic Defense

Costa Mesa, California

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7d ago

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Full-time

USD 191,000.00 - 292,000.00 per year

Senior Software Engineer, Strategic Defense (Active Clearance)

Costa Mesa, California

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7d ago

Full-time

USD 191,000.00 - 292,000.00 per year

Software Engineer, Strategic Defense

Costa Mesa, California

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7d ago

Full-time

USD 166,000.00 - 220,000.00 per year

Software Engineer, Strategic Defense (Active Clearance)

Costa Mesa, California

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7d ago

Full-time

USD 166,000.00 - 220,000.00 per year

Mid-Senior Data Engineer - SQL, Python, dbt & Snowflake

City of Industry, California

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Today

Mid-Senior Data Engineer - SQL, Python, dbt & Snowflake City of Industry, CA | Full-Time Our client is a growing organization seeking a Data Engineer to join its expanding technology team. This is a hands-on role focused on building and maintaining production data solutions, supporting critical data operations, and improving the reliability and scalability of the overall data environment. The ideal candidate is a strong hands-on engineer who enjoys working with production systems, troubleshootin

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Full-time

$150000 - $190000

Systems Engineer, Strategic Defense

Irvine, California

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7d ago

Full-time

USD 146,000.00 - 194,000.00 per year

Financial Programmer

Los Angeles, California

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10d ago

About Latham & Watkins Latham & Watkins is one of the world's leading global law firms advising the businesses and institutions that drive the global economy. We are the market leaders in major financial and business centers around the world. Our investment in people, commitment to innovation, and focus on the future empower you to build an incredible career and thrive as an exceptional professional in a supportive culture. If you aspire to be the best, and work with the best, this is where you

Full-time

USD 120,000.00 - 135,000.00 per year

Software Engineering & Development, Assistant Vice President

Irvine, California

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Today

Who we are looking for We are seeking an experienced J2EE/JAVA developer with previous exposure to working in a financial services industry. The right individual will need to leverage their existing skills to quickly familiarize themselves with our existing environment and technology to deliver on time sensitive projects for a leading investment manager. What you will be responsible for As a Java Developer you will Designs and builds new software and features to existing softwareUses strong k

Full-time

USD 100,000.00 - 167,500.00 per year

Senior Mainframe Assembler Analyst

Remote

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Yesterday

Infinite Solutions Inc. is a California-based Information Technology Solution provider specializing in delivering enterprise technology and digital transformation solutions for public-sector clients since 1997. With deep expertise in systems integration, ERP implementations, data analytics, and modernization, we support mission-critical initiatives for State and local agencies. Our team is known for combining technical excellence with a practical, results-driven approach to solving complex busin

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Contract, Third Party

Depends on Experience

Staff Developer, Software Development

Irvine, California

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Today

Company Description WD is building the infrastructure behind the AI-driven data economy. As AI scales, so does data. Every interaction, every model, every system generates data that must be stored, managed, and made accessible over time. That's where we come in. We combine deep engineering expertise with global-scale manufacturing to deliver the storage systems that make AI possible, powering hyperscale data centers, cloud platforms, and enterprise infrastructure worldwide. This isn't theore

Full-time

USD 124,000.00 per year

Quadient/GMC Inspire Developer

Remote

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Today

Quadient Inspire DeveloperIntroduction:We are seeking a talented Quadient Inspire Developer to join our team. The ideal candidate will be responsible for designing and developing applications using Quadient Inspire as well as other software applications. They will play a crucial role in setting up master workflows, optimizing templates, and migrating forms from legacy systems to Quadient Inspire platforms. Responsibilities:Performs design and development of applications on complex projects utili

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Contract

Depends on Experience

Sr. Platform Engineer

Irvine, California

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Today

Shaping the Future of Lending With 30 years of fintech leadership, Origence empowers credit unions with innovative SaaS lending solutions that make lending more accessible, efficient, and competitive. We invest in our people and foster a culture of innovation, ownership, and continuous improvement. As we help shape the future of lending, we're leveraging AI to enhance the way we work and create value for our clients, and we're seeking individuals who are excited by emerging technologies and eage

Full-time

USD 128,600.00 - 160,800.00 per year

AI Test Lead - W2 only

Remote

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2d ago

AI Test leadAI Test lead , 100% RemoteRate: 65 on w2 wobLocation: 100% Remotestrong agentic AI experienceexperience transform java/selenium using playwright, agentic AIdesktop automation is a mustno documentation - how can you work around it and automate and test those thingsFeedback on Abhishek: 1. Has experience with migrating existing Selenium Automation suite to Playwright framework using Claude. When asked which Claude model did you use he was not sure first mentioned Haiku then said whatev

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Contract

55 - 65

Mainframe Modernization Architect

Remote

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30+d ago

Modernization Senior Architect - Mainframe 6 month contract ( option for hire )100% remoteClient is a billion dollar Services company REQUIREMENTS Bachelors degree in engineering or computer sciences20+ years of experience as an architect or equivalent in the hosting and network space (preferably with a service provider)Over 12 years' experience as a Modernization or Migration Architect, leading legacy system upgrades to new platforms with minimal business disruption.Hands-on experience with Mai

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Contract

80 - 90

Staff Software Engineer, Beckett

Remote or Santa Ana, California

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Today

Collectors is the leading creator of innovative technology that provides value-added services for collectors worldwide. We grade, authenticate, vault, and sell millions of record-setting collectibles, all while modernizing and digitalizing the process to further our mission of helping collectors pursue their passions. We're always on the lookout for talented people to join our growing team. Our services span collectible trading cards, autographs, comic books, coins, video games, event tickets,

Full-time

.NET + Ruby + Python

Remote

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3d ago

Hiring: .NET + Ruby + Python Location: Remote Experience & Visa Requirements: Key Responsibilities: Assess on-premises applications for cloud migration readiness. Containerize and modernize applications built with Ruby on Rails, .NET, Python, and/or Elixir. Deploy applications to Azure Kubernetes Service (AKS) using Helm charts and Kubernetes manifests. Build and maintain CI/CD pipelines using GitHub Actions and Azure DevOps. Re-platform legacy applications and integrate Azure Key Vault. Plan

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Full-time

45 - 50

Epic Systems Analyst - Revenue Cycle

Remote or Louisiana

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Today

Your job is more than a job Why a Great Place to Work You're more than your job. Everyone is. And that's what makes you great at your job-all the little extras you bring to work every day, the things that make you you. At LCMC Health we value those things about you, because we know that all those little extras add up to extraordinary. And we've built a culture that supports and celebrates the extraordinary. You'll see it when you come to work here, in the spirit of our places and the faces of

Full-time

AI / Data Resource

Remote

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Yesterday

Requirements 5 years or more experience in AI-driven data analysis, QA validation, and business logic documentation Proficiency in Python for code review, troubleshooting, and data-driven analysis Experience in reading and interpreting CBASIC code to resolve logic issues and processing errors Experience with analyzing unfamiliar programming languages and identifying defects in application logic Experience in validating system outcomes against underlying data sources and business rules Excellent

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Contract

Depends on Experience

Legacy Systems jobs in Costa Mesa, CA, USA