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Mainframe Developer Jobs in Massachusetts (NOW HIRING)

TJX Companies

Staff Engineer

Framingham, MA · On-site

Ability to work with mainframe SMEs to reverse-engineer logic and map it into modern .NET domain models. * Ability to read, analyze and interpret Mainframe code such as COBOL, JCL, VSAM and DB for z ...

DSNSearch

SYSTEMS PROGRAMMER Z/OS

Boston, MA · Hybrid

SENIOR SYSTEMS PROGRAMMER Z/OS SYSTEMS PROGRAMMER ~~ Z/OS ~ ~ MAIFRAME ~~ INTERNALS ~~ PRODUCT ... Z/OS MAINFRAME PERFORMANCE AND TUNING * DEBUGGING SKILLS * STRONG KNOWLEDGE OF MONITORING TOOLS At ...

TJX Companies

Staff Engineer

Framingham, MA · On-site

Ability to work with mainframe SMEs toreverse-engineerlogic and map it into modern .NET domain ... Experiencewithtools such as Git, Azure DevOps, SonarQube, or similar development andDevSecOpstools.

Tjx

Staff Engineer

Framingham, MA

Ability to work with mainframe SMEs toreverse-engineerlogic and map it into modern .NET domain ... Experiencewithtools such as Git, Azure DevOps, SonarQube, or similar development andDevSecOpstools.

XTG

Web Applications Developer III

Boston, MA · On-site +1

$104K/yr

The Web Application Developer III is accountable for managing the Web Site/Ecommerce systems for ... Collaborate with the project team including but not limited to the mainframe, database and/or ...

Tyto Athene, LLC

Desktop Support Level II

Chicopee, MA · On-site

$20.25 - $26/hr

Responsibilities : • Provide support to end-users for PC, server, mainframe applications, and ... engineering, and/or applications development to restore service and/or identify and correct core ...

DTCC

Platform Engineer

Boston, MA · On-site

The Platform Hosting & Engineering role specializes in the development, implementation, and support of all distributed, mainframe, and network hosting services across the firm. Responsible for the ...

DTCC

Platform Engineer

Boston, MA · On-site

The Platform Hosting & Engineering role specializes in the development, implementation, and support of all distributed, mainframe, and network hosting services across the firm. Responsible for the ...

ICONSTAFF

Application Architect

Lexington, MA

$250K - $400K/yr

... mainframes. Their engineering bar is exceptionally high and employee tenure is long. They understand complex systems, legacy modernization, and enterprise-grade architecture -- and they expect the ...

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Mainframe Developer information

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$58

$79

How much do mainframe developer jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for mainframe developer in Massachusetts is $58.30, according to ZipRecruiter salary data. Most workers in this role earn between $51.44 and $66.15 per hour, depending on experience, location, and employer.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

What are some common challenges Mainframe Developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

What are Mainframe Developers?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

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

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.
What are the most commonly searched types of Mainframe Developer jobs in Massachusetts? The most popular types of Mainframe Developer jobs in Massachusetts are:
What are popular job titles related to Mainframe Developer jobs in Massachusetts? For Mainframe Developer jobs in Massachusetts, the most frequently searched job titles are:
What job categories do people searching Mainframe Developer jobs in Massachusetts look for? The top searched job categories for Mainframe Developer jobs in Massachusetts are:
What cities in Massachusetts are hiring for Mainframe Developer jobs? Cities in Massachusetts with the most Mainframe Developer job openings:
What are popular job titles related to Mainframe Developer jobs in MA? For Mainframe Developer jobs in MA, the most frequently searched job titles are:
Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Massachusetts as of July 2026, with employment types broken down into 79% Full Time, 10% Part Time, 2% Temporary, and 9% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $121,254 per year, or $58.3 per hour.
Staff Engineer

Staff Engineer

TJX Companies

Framingham, MA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 5 days ago

TJX rating

5.9

Company rating: 5.9 out of 10

Based on 689 frontline employees who took The Breakroom Quiz

26th of 39 rated national retailers

Job description

TJX Companies
At TJX Companies, every day brings new opportunities for growth, exploration, and achievement. You'll be part of our vibrant team that embraces diversity, fosters collaboration, and prioritizes your development. Whether you're working in our four global Home Offices, Distribution Centers or Retail Stores-TJ Maxx, Marshalls, Homegoods, Homesense, Sierra, Winners, and TK Maxx, you'll find abundant opportunities to learn, thrive, and make an impact. Come join our TJX family-a Fortune 100 company and the world's leading off-price retailer.
Job Description:
Staff Engineer - Merchandising
What you'll discover
  • We offer an inclusive culture and growth opportunities!

  • Global IT Organization which collaborates across U.S., Canada, Europe, and Australia; click here to learn more!

  • Challenging, collaborative, and team-based environment.

What you'll do
The Merchandising Solution Delivery organization manages the Merchandise Inventory and Markdown software and systems that track where millions of products will move around the globe to our stores each day. Our team thrives on strong relationships with our business partners and is working diligently to address their needs which support TJX growth and operational stability. On this tightly knit and fast-paced solution delivery team you will be constantly challenged to stretch and think outside the box.
  • Experience of authoring functional/technical designs documents including performance, security and availability considerations

  • Proven experience of developing new features and services that are medium to high level of complexity working with the Product, Platform, Infrastructure and Security teams

  • Proven ability to design, code, test, deploy & support working software/technology components, working collaboratively with architects and other engineers

  • Experience in delivering clean, secure, performant code / technology components that meets all non-functional requirements

  • Experience in leading discussions on design approaches to solving highly visible, strategic and complex business problems

  • Experience in establishing development process definitions, best practices and standards

  • Experience identifying emerging technologies for consideration for new technology direction and implementing proof of concepts to prove the new technology

  • Proven ability to create Threat Model, Architecture, Estimates, Design, Code, and deliver for the required business feature

  • Experience of acting in a Lead Engineer capacity for medium to large initiatives, prioritizing and assigning tasks, providing guidance and resolving issues

  • Proven ability to mentor more junior engineers across the technical domains/enterprise

What you'll need
Our team is looking for people with a passion for technology, intellectual curiosity, and willingness to try new things to drive better solutions and get results. We want creative people that possess strong interpersonal skills to demonstrate leadership by example, not authority, and who can foster an inclusive environment where everyone feels heard.
We are seeking a motivated, talented, experienced Staff Engineer who has deep Microsoft .NET Development knowledge and experience to design and implement business functionality in their assigned Platforms / Products using and creating DevSecOps best practices. We want people that can support and lead the technical strategy in their product team and communicate effectively with technical and non-technical associates.
Minimum Experience
  • 10+ years of hands-on software development experience focused on the Microsoft .NET ecosystem (C#, .NET Framework, .NET Core).

  • Extensive experience designing, developing, and optimizing SQL Server databases, including complex queries, stored procedures, indexing strategies, and performance tuning.

  • Ability to work with mainframe SMEs to reverse-engineer logic and map it into modern .NET domain models.

  • Ability to read, analyze and interpret Mainframe code such as COBOL, JCL, VSAM and DB for z/OS schemas.

  • Experience extracting and transforming data from Mainframe DB2 and IMS.

  • Hands-on experience designing and building data extraction pipelines from mainframe systems into modern platforms (SQL, cloud storage, APIs, microservices).

  • Experience working on large-scale data migration or system modernization projects.

  • Proven track record delivering high-quality, scalable, secure, and maintainable applications across medium to large projects.

  • Strong understanding of application architecture principles, API design, and modern development practices such as dependency injection, CI/CD, unit testing, and code quality standards.

  • Experience collaborating closely with Product, Platform, Infrastructure, and Security teams to design and implement end-to-end technical solutions.

  • Ability to lead technical discussions, provide architectural input, and solve complex, highly visible business problems.

  • Demonstrated experience mentoring junior developers and contributing to engineering best practices, standards, and development processes.

Desirable Experience
  • Experience with cloud platforms (Azure preferred), including App Services, Functions, Key Vault, APIM, and cloud-native design patterns.

  • Familiarity with modern frontend technologies (e.g., Angular, or Blazor)

  • Experience with Entity Framework, LINQ, microservices architectures

  • Extensive experience with SQL Server Integration Services (SSIS), including designing, optimizing, and supporting complex ETL processes, data workflows, and integration of pipelines.

  • Experience with tools such as Git, Azure DevOps, SonarQube, or similar development and DevSecOps tools.

  • Experience with performance profiling, debugging, and monitoring .NET and SQL Server applications in production environments.

  • Knowledge of the automation tools (e.g. REXX, Python) is preferable.

  • Experience mentoring engineers of varying levels, elevating engineering maturity, shaping development processes, and championing best-in-class development practices (CI/CD, testing strategies, code quality).

Benefits include Associate discount; 401(k) match; medical/dental/vision; HSA; health care FSA; life insurance; short/long-term disability; paid holidays/vacation /sick/bereavement/parental leave; EAP; incentive programs for management; auto/home insurance discounts; tuition reimbursement; scholarship program; adoption/surrogacy assistance; smoking cessation; child care/cell phone discounts; pet/legal insurance; credit union; referral bonuses. All benefits are subject to applicable plan or program terms (including eligibility terms) and may change from time to time. Contact your TJX representative for more information.
In addition to our open door policy and supportive work environment, we also strive to provide a competitive salary and benefits package. TJX considers all applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, gender identity and expression, marital or military status, or based on any individual's status in any group or class protected by applicable federal, state, or local law. TJX also provides reasonable accommodations to qualified individuals with disabilities in accordance with the Americans with Disabilities Act and applicable state and local law.
Address:
770 Cochituate Rd
Location:
USA Home Office Framingham MA 770 Cochituate Rd
This position has a starting salary range of $116,200.00 to $151,000.00 per year. Actual starting pay is determined by a number of factors, including relevant skills, qualifications, and experience. This position is eligible for an annual incentive as well as long-term incentives.

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