1

Legacy Developer Jobs (NOW HIRING)

Extensive experience in programming end-to-end custom-code solutions * Extensive experience converting older language legacy solutions to modern languages * Extensive experience building solutions ...

Extensive experience in programming end-to-end custom-code solutions * Extensive experience converting older language legacy solutions to modern languages * Extensive experience building solutions ...

Extensive experience in programming end-to-end custom-code solutions * Extensive experience converting older language legacy solutions to modern languages * Extensive experience building solutions ...

Net, React, JavaScript, SQL, MongoDB, MuleSoft, Azure Cloud, etc.) • Extensive experience in programming end-to-end custom-code solutions • Extensive experience converting older language legacy ...

Senior Engineer

Davie, FL · On-site

$99K - $136K/yr

This position will serve as a key technical resource for sustaining and legacy engineering, build-to-print customer programs, design engineering, engineering documentation, and configuration ...

NY · On-site

$102K - $141K/yr

Sustaining and Legacy Engineering * Provide engineering support for existing and legacy products throughout their operational life. * Investigate and resolve product, manufacturing, supplier, quality ...

Legacy Support Engineer

Saint Charles, MO · On-site +1

$115K - $125K/yr

Job Summary Newberry Groups seeks an experienced Legacy Support Engineer with strong mainframe IDMS and Db2 z/OS DBA expertise to maintain, support, and enhance enterprise legacy database systems.

The successful candidate will play a pivotal role in uncovering the intricacies of our legacy ... The role demands a deep understanding of legacy programming languages, analytical prowess, and the ...

The successful candidate will play a pivotal role in uncovering the intricacies of our legacy ... The role demands a deep understanding of legacy programming languages, analytical prowess, and the ...

Showing results 21-40

Legacy Developer information

What is a legacy developer?

A Legacy Developer is a software professional who specializes in maintaining, updating, and sometimes migrating older or outdated software systems, often referred to as 'legacy systems.' These systems may have been built using programming languages, frameworks, or architectures that are no longer widely used or supported. Legacy Developers ensure that these crucial systems continue to function properly, address any security vulnerabilities, and help organizations transition to newer technologies when necessary. Their work is vital for businesses that rely on stable and continuous operation of longstanding software.

What are the key skills and qualifications needed to thrive as a legacy developer, and why are they important?

To thrive as a Legacy Developer, you need strong programming skills in older languages such as COBOL, Fortran, or RPG, along with a solid understanding of legacy system architectures and business processes. Familiarity with mainframe environments, version control systems, and sometimes specific certifications like IBM-certified professional are typically required. Excellent problem-solving, attention to detail, and communication skills help Legacy Developers effectively troubleshoot issues and translate between modern and legacy systems. These abilities are crucial for maintaining critical business operations, ensuring data integrity, and supporting system migrations or integrations.

What are some common challenges faced by legacy developers when maintaining and updating older codebases?

Legacy Developers often encounter challenges such as working with outdated programming languages, limited or missing documentation, and complex dependencies that have evolved over time. They may also need to address security vulnerabilities or compatibility issues that arise when integrating with newer systems. Strong problem-solving skills and patience are essential, as troubleshooting and refactoring legacy code often require a deep understanding of both the original design and current business needs. Collaboration with business analysts and other developers is key to ensuring updates align with organizational goals.

What is the difference between Legacy Developer vs Software Engineer?

AspectLegacy DeveloperSoftware Engineer
Required CredentialsOften requires experience with older programming languages and systems, sometimes certifications in legacy systemsTypically requires a degree in computer science or related field, with certifications in modern programming languages
Work EnvironmentWorks mainly on maintaining, updating, and troubleshooting legacy systemsDesigns, develops, and maintains new software applications and systems
Employer & Industry UsageCommon in industries with long-standing legacy systems like banking, government, and manufacturingWidely used across tech companies, startups, and enterprises for new and existing projects

While both roles involve software development, Legacy Developers focus on maintaining and updating older systems, whereas Software Engineers typically work on creating new software solutions. Understanding these differences helps in choosing the right career path or job search focus.

What is legacy software development?

Legacy software development involves maintaining, updating, or modifying outdated or existing software systems that were built with older technologies. Developers working in this area often focus on ensuring compatibility, fixing bugs, and gradually modernizing the codebase using tools like version control and programming languages suited for legacy systems.

What cities are hiring for Legacy Developer jobs?

Cities with the most Legacy Developer job openings:

What are popular job titles related to Legacy Developer jobs?

For Legacy Developer jobs, the most frequently searched job titles are:

Infographic showing various Legacy Developer job openings in the United States as of September 2026, with employment types broken down into 1% As Needed, 88% Full Time, 9% Part Time, and 2% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution.

Senior MicroStrategy Developer/Architect

Washington, DC • On-site

$107K - $153K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 4 days ago


Job description

What Impact You'll Have
GRVTY is searching for personnel experienced in Business Intelligence, specifically Strategy (MicroStrategy) Developers and Architects. The preferred candidate will facilitate the identification, definition, and documentation of client needs and will decide as to which Business Intelligence/Strategy functionality will best support the customer's long and short-term needs. The candidate must be able to create supporting metadata objects, reports and dashboards using the latest version of Strategy, as well as acting as client liaison to support ad hoc demonstrations and interactive design sessions with clients. The preferred candidate will act as part analyst/part developer/part architect and will be working with clients extensively. Day-to-day expectations are to work as part of a scrum agile team to design, configure, troubleshoot, and develop Strategy products in line with client requirements.
What You'll be Owning
  • Identify, define, and document client business intelligence needs
  • Determine which Strategy functionality best supports short- and long-term goals
  • Build metadata objects, reports, and dashboards using the latest version of Strategy
  • Act as client liaison during ad hoc demonstrations and design sessions
  • Design, configure, troubleshoot, and develop Strategy products within a Scrum team
  • Balance analyst, developer, and architect responsibilities across client engagements
  • Communicate clearly and solve problems with clients and teammates

What You Must Have
  • Must have an active US government top secret clearance to be eligible. No exceptions.
  • Minimum of 5 years of experience developing and supporting Business Intelligence applications, specifically Strategy (formerly MicroStrategy), including SDK and RestAPI (mstrio-Py) utilization
  • Serve as Strategy SME, guiding architecture and identifying efficiencies across platform capabilities (Mosaic, HyperIntelligence cards, etc.)
  • Experience with Strategy Workstation, including dynamic dossiers, report development, and project design (facts, attributes, hierarchies, aggregation, portal integration)
  • Experience with Strategy schema definition, design, implementation, and maintenance
  • Experience reviewing and enhancing logical and physical database designs, including relational structures, dimensional data modeling, and data warehousing
  • Experience developing application objects, including metrics, templates, and filters
  • Experience with client-server and cloud-based architectures
  • Experience using SQL to profile, test, and report data

What Would be Nice to Have
  • Experience configuring, governing, troubleshooting, and tuning the Intelligence Server
  • Experience with Strategy Security Administration
  • Experience with Strategy Workstation as a replacement for legacy Developer tools

Pay Range: At GRVTY, we understand that compensation is influenced by many factors-such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications.
We're proud to offer a work environment that empowers our team to achieve a strong work-life balance. GRVTY provides competitive pay, comprehensive benefits, and meaningful opportunities for professional growth.
Our benefits package is designed to support the well-being of our employees and their families, and includes coverage in areas such as healthcare, financial wellness, retirement planning, family assistance, continued education, and paid time off.
  • The pay range for this position is: $107,418 - $153,454

Pay Range: At GRVTY, we understand that compensation is influenced by many factors-such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications.
We're proud to offer a work environment that empowers our team to achieve a strong work-life balance. GRVTY provides competitive pay, comprehensive benefits, and meaningful opportunities for professional growth.
Our benefits package is designed to support the well-being of our employees and their families, and includes coverage in areas such as healthcare, financial wellness, retirement planning, family assistance, continued education, and paid time off.
D.C. Pay Range
$107,418-$153,454 USD
Why Choose GRVTY
The toughest national security challenges demand vision and ingenuity, not just resources. We deliver mission and technical expertise to outpace our adversaries. We're purpose-built to tackle the most entrenched, systemic national security issues around the world.
We partner with our customers to help them overcome challenges in every corner of technology and defense-including the ones still being explored. Our growing capabilities create complementary advantages, giving on-the-ground operations the edge they need to succeed. We muster everything we have to answer every challenge presented, every day of our lives.
At GRVTY, we believe that when our employees thrive, our company thrives. That's why we offer a comprehensive and competitive benefits package designed to support your well-being, growth, and work-life balance.
• Robust health plan including medical, dental, and vision
• Health Savings Account with company contribution
• Annual Paid Time Off and Paid Holidays
• Paid Parental Leave
• 401k with generous company match
• Training and Development Opportunities
• Award Programs
• Variety of Company Sponsored Events
EEO Statement
GRVTY, 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, or status as a protected veteran and will not be discriminated against on the basis of disability.
Anyone requiring reasonable accommodations should email recruiting@grvty.com or call 703-544-7930 with requested details. A member of the HR team will respond to your request within 2 business days.
Know Your Rights: Workplace Discrimination is Illegal (eeoc.gov)
Please review our current job openings and apply for the positions you believe may be a fit. If you are not an immediate fit, we will also keep your resume in our database for future opportunities.