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Senior Software Engineer/Developer

Fidelity Investments.com

Office

One Destiny Way, Westlake TX, United States

Full Time

Job Description:

Position Description:

Provides technical support in a mainframe environment and develops applications using COBOL, DB2, CICS, Cloud to CICS, JCL, MQ-Series, SQL, and Virtual Storage Access Method (VSAM) files. Executes mainframe performance tuning and capacity planning, including ways to reduce Input/Output (I/O) operations, Central Processing Unit (CPU) time, Million Service Units (MSUs), and Million Instructions per Second (MIPS), by using performance tools -- Strobe, iStrobe, and Platinum Detector. Writes concise and clear technical specifications using distributed languages -- Extract, Transform, Load (ETL), Informatica, Java, XML, and Python. Manages application file access using scheduling tools (Control-M) and file formatting tools (File-AID). Debugs and reproduces application issues in lower development environments using unit testing tools -- Intertest and Abend-AID. Provides business solutions by developing complex software applications. 

Primary Responsibilities:

  • Develops original and creative technical solutions to on-going development efforts.  
  • Designs applications or subsystems on major projects and for/in multiple platforms.  
  • Develops applications for multiple projects supporting several divisional initiatives.  
  • Supports and performs all phases of testing leading to implementation. 
  • Assists in the planning and conducting of user acceptance testing. 
  • Develops comprehensive documentation for multiple applications supporting several corporate initiatives.  
  • Responsible for post-installation testing of any problems. 
  • Establishes project plans for projects of moderate scope. 
  • Works on complex assignments and often multiple phases of a project. 
  • Performs independent and complex technical and functional analysis for multiple projects supporting several initiatives. 

Education And Experience:

Bachelor’s degree (or foreign education equivalent) in Computer Science, Engineering, Information Technology, Information Systems, Mathematics, Physics, or a closely related field and three (3) years of experience as a Senior Software Engineer/Developer (or closely related occupation) developing and supporting software applications using mainframe and distributed technologies in a financial services domain. 

Or, alternatively, Master’s degree (or foreign education equivalent) in Computer Science, Engineering, Information Technology, Information Systems, Mathematics, Physics, or a closely related field and one (1) year of experience as a Senior Software Engineer/Developer (or closely related occupation) developing and supporting software applications using mainframe and distributed technologies in a financial services domain. 

Skills And Knowledge:

Candidate Must Also Possess:

  • Demonstrated Expertise (“DE”) designing, developing, and supporting batch and online applications using mainframe technologies -- COBOL, DB2, CICS, Cloud to CICS, JCL and VSAM files.   
  • DE performing mainframe application development and performance tuning within Time Sharing Option (TSO) and Multiple Virtual Storage (MVS) operating system environments; developing mainframe applications using Endevor, Git, ClearCase for version control, and Control-M for scheduling; debugging applications using Abend-AID and interest; managing and browsing files using File-Aid; generating reports using Easytrieve; and conducting performance tuning and capacity planning -- reducing I/Os, CPU Time, MSUs, and MIPs, using Strobe, iStrobe, Platinum Detector, and TMON.  
  • DE creating Informatica workflows between mainframe and distributed applications; performing Shell Scripting using Unix and Linux; and analyzing and designing data flows for mainframe and Web based financial services application development.  
  • DE designing, developing, maintaining, and enhancing software applications using J2EE technologies, NODEJS, Spring framework, Oracle SQL and DevOps tools, while adhering to Agile software methodologies. 

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Certifications:

Category:

Information Technology

Most roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles.

Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.

Senior Software Engineer/Developer

Office

One Destiny Way, Westlake TX, United States

Full Time

September 17, 2025

company logo

Fidelity Investments

Fidelity