Mid Level Data Developer Jobs
Mid level data developer jobs go to professionals ready to own data pipelines end to end, make architectural decisions with limited oversight, and mentor junior teammates across the full data lifecycle. Openings are 25% remote or hybrid, concentrated in Manufacturing, Technology & Software, and Banking & Financial Services, with employers like Fiserv, M&T Bank, and VSolvit hiring at this level now.
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Location: Berkeley Heights, New Jersey, United States of America
Job ID: R-10406957
Category: Technology
Onsite
Posting Start Date: 11-November-2026
Posting End Date: 26-November-2026
Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
Data Conversion Developer w/Cobol
What does a successful Data Conversion Developer with Cobol do at Fiserv?
A successful Data Conversion Developer with Cobol partners with clients and internal teams to convert card portfolios onto Fiserv processing platforms. This role develops conversion programs, mapping logic, technical specifications, and quality controls that support accurate and timely delivery across the full project life cycle. Success in this position also means building strong working relationships, solving complex data challenges, and identifying opportunities to improve processes.
What you will do?
- Deliver technical data conversion programming and execute project milestones across the full conversion life cycle, from initiation through project closure.
- Develop complex conversion application code, create data conversion mapping programs and processes, and debug complex code and processes.
- Partner with data conversion analysts, business analysts, clients, product owners, application development teams, and program management colleagues to align business needs with technical solutions.
- Ensure the quality of conversion outputs including data, files, reports, statements, and plastics, while validating offline system and output testing and holding quality inspections.
- Plan and participate in mocks and other client events, monitor and report progress, identify risks and issues, escalate as needed, and follow internal processes and best practices.
What you must have?
- 4+ years of experience in software development.
- 2+ years of experience with SQL, VBA, Access, Excel, or similar data conversion and migration technologies.
- 4+ years of an equivalent combination of educational background, related experience, and/or military experience.
- Bachelor’s degree in a related field, or equivalent practical experience.
What would be nice to have?
- 2+ years of experience with COBOL, mainframe applications, IBM JCL, or TSO/TPX.
- 1+ years of experience in the credit or debit card industry.
- Experience supporting 2+ concurrent priorities or project workstreams in a fast-paced environment.
Salary Range
$90,000.00 - $144,000.00
These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.
It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.
This position is not eligible for an annual incentive opportunity and is also not eligible to earn commissions.
Thank you for considering employment with Fiserv. Please:
- Apply using your legal name
- Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).
Our commitment to Equal Opportunity:
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information.
Note to agencies:
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
Warning about fake job posts:
Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.
Location: Berkeley Heights, New Jersey, United States of America
Job ID: R-10406957
Category: Technology
Onsite
Posting Start Date: 11-November-2026
Posting End Date: 26-November-2026
Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
Data Conversion Developer w/Cobol
What does a successful Data Conversion Developer with Cobol do at Fiserv?
A successful Data Conversion Developer with Cobol partners with clients and internal teams to convert card portfolios onto Fiserv processing platforms. This role develops conversion programs, mapping logic, technical specifications, and quality controls that support accurate and timely delivery across the full project life cycle. Success in this position also means building strong working relationships, solving complex data challenges, and identifying opportunities to improve processes.
What you will do?
- Deliver technical data conversion programming and execute project milestones across the full conversion life cycle, from initiation through project closure.
- Develop complex conversion application code, create data conversion mapping programs and processes, and debug complex code and processes.
- Partner with data conversion analysts, business analysts, clients, product owners, application development teams, and program management colleagues to align business needs with technical solutions.
- Ensure the quality of conversion outputs including data, files, reports, statements, and plastics, while validating offline system and output testing and holding quality inspections.
- Plan and participate in mocks and other client events, monitor and report progress, identify risks and issues, escalate as needed, and follow internal processes and best practices.
What you must have?
- 4+ years of experience in software development.
- 2+ years of experience with SQL, VBA, Access, Excel, or similar data conversion and migration technologies.
- 4+ years of an equivalent combination of educational background, related experience, and/or military experience.
- Bachelor’s degree in a related field, or equivalent practical experience.
What would be nice to have?
- 2+ years of experience with COBOL, mainframe applications, IBM JCL, or TSO/TPX.
- 1+ years of experience in the credit or debit card industry.
- Experience supporting 2+ concurrent priorities or project workstreams in a fast-paced environment.
Salary Range
$90,000.00 - $144,000.00
These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.
It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.
This position is not eligible for an annual incentive opportunity and is also not eligible to earn commissions.
Thank you for considering employment with Fiserv. Please:
- Apply using your legal name
- Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).
Our commitment to Equal Opportunity:
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information.
Note to agencies:
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
Warning about fake job posts:
Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.
See All 6 Mid Level Data Developer Jobs
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Find Mid Level Data Developer JobsMid Level Data Developer Job Market
Who's Hiring
Top Industries Hiring
- Manufacturing
- Technology & Software
- Banking & Financial Services
Mid Level Data Developer Jobs: Frequently Asked Questions
How do I get a mid level data developer job?
Position yourself around ownership, not just contribution. Highlight projects where you led the data modeling, built pipelines without close supervision, or solved a production problem independently. Tailor your resume to show decisions you drove, not just tasks you completed. Certifications in cloud data platforms strengthen applications, and a portfolio with real pipeline or warehouse work closes gaps that a resume alone can't.
Which companies hire mid level data developers?
Companies hiring mid level data developers right now include Fiserv, M&T Bank, and VSolvit, based on current listings on Migrate Mate as of November 2026. Hiring at this level comes from a wide range of employers, including growth-stage technology companies, large enterprises modernizing their data infrastructure, and consulting firms that staff data teams across multiple client engagements.
Are there remote mid level data developer jobs?
Yes, and remote availability at this level is strong. About 25% of mid level data developer openings are remote or hybrid as of November 2026, reflecting how broadly the role translates across distributed teams. Many employers hiring at this experience level expect developers to work independently enough to function well outside a physical office.
How do I move up to a mid level data developer role?
Moving from entry level to mid level takes deepening your ownership of real data systems over time. Early-career developers build toward mid level by taking on increasingly complex pipelines, owning a feature or dataset end to end, and demonstrating measurable impact, such as reducing processing time or improving data reliability. Expanding into areas like data modeling, orchestration tools, and cloud platforms accelerates the progression.
Which industries hire the most mid level data developers?
Mid Level data developer roles concentrate in Manufacturing, Technology & Software, and Banking & Financial Services, based on current listings on Migrate Mate as of November 2026. These sectors drive hiring because they operate at scale with complex data needs, requiring developers who can build reliable pipelines and translate raw data into decisions without constant direction from senior staff.