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Junior Informatica Developer Jobs in Saint Charles, MO

GDIT

Jr DevOps Engineer

Saint Louis, MO · On-site

$51.25 - $70.25/hr

As a Jr. DevOps Engineer you will help ensure today is safe and tomorrow is smarter. Our work ... IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your ...

iQuasar

Mortgage Clerk- Jr.

Saint Louis, MO · On-site

Our growth means exciting career opportunities for talented professionals in engineering, software ... Obtain required information from insurance companies via telephone. * Operate within the LoanServ ...

AG Technologies

Junior JAVA Devloper

Chesterfield, MO

$300/wk

Qualifications Bachelors / Masters Degree in Technical field such as Computer Science, Computer Engineering, Math or Information Systems from an accredited university or equivalent work experience in ...

AG Technologies

Junior JAVA Devloper

Chesterfield, MO

$300/wk

Qualifications Bachelors / Masters Degree in Technical field such as Computer Science, Computer Engineering, Math or Information Systems from an accredited university or equivalent work experience in ...

QUANTUM TECHNOLOGIES LLC

Java Developer

Saint Louis, MO · On-site

$87/hr

Facilitate code reviews and mentors junior developers. Use object-oriented techniques and software ... Bachelor's degree in computer science, information technology or equivalent. Minimum of 6-8 years ...

New

Wiser

Cartographer (Junior) - TS/SCI

Saint Louis, MO · On-site

$70K - $80K/yr

Junior Cartographer - TS/SCI Location: St. Louis, MO TS/SCI Security Clearance Wiser offers ... Information Systems (GIS) to produce, review, and ensure the quality of geospatial data supporting ...

New

Chenega MIOS

ServiceNow Developer

Saint Louis, MO · On-site

$51.25 - $70.50/hr

... IT support to Federal customers both CONUS and OCONUS. CARS employs Subject Matter Experts (SMEs ... The Senior ServiceNow Developer will mentor junior developers, collaborate across engineering teams ...

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Junior Informatica Developer information

See Saint Charles, MO salary details

$9

$56

$73

How much do junior informatica developer jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for junior informatica developer in Saint Charles, MO is $56.20, according to ZipRecruiter salary data. Most workers in this role earn between $48.22 and $63.37 per hour, depending on experience, location, and employer.

What are some typical challenges faced by junior Informatica developers when working on data integration projects?

Junior Informatica Developers often encounter challenges such as understanding complex data mappings, managing large volumes of data, and troubleshooting ETL job failures. They may also need to quickly learn best practices for workflow optimization and adapt to the specific data quality standards of their organization. Collaboration with senior developers, business analysts, and database administrators is common, helping them to overcome technical hurdles and ensure that integration solutions meet business requirements.

What are the key skills and qualifications needed to thrive as a junior Informatica developer?

To thrive as a Junior Informatica Developer, you need a solid understanding of data integration concepts, ETL processes, and a degree in computer science or a related field. Familiarity with Informatica PowerCenter, SQL, and database management systems, along with relevant Informatica certifications, is highly beneficial. Strong analytical thinking, problem-solving, and attention to detail, combined with effective communication skills, set top candidates apart. These competencies ensure accurate data transformation, efficient troubleshooting, and seamless collaboration within data engineering teams.

What is the difference between Junior Informatica Developer vs Data Analyst?

AspectJunior Informatica DeveloperData Analyst
Required SkillsInformatica PowerCenter, ETL processes, SQLData visualization, SQL, Excel, statistical analysis
Work EnvironmentData integration teams, IT departmentsBusiness units, analytics teams
CertificationsInformatica certifications, SQL knowledgeNone specific, often data analysis certifications

The Junior Informatica Developer primarily focuses on designing and maintaining ETL workflows using Informatica tools, working closely with IT teams. In contrast, a Data Analyst interprets data to provide business insights, often using visualization and statistical tools. While both roles require SQL skills, the Junior Informatica Developer emphasizes data integration and ETL processes, whereas the Data Analyst concentrates on data interpretation and reporting.

What is a junior Informatica developer?

Junior Informatica Developers are entry-level IT professionals who specialize in using Informatica, a leading data integration and management tool. They assist with designing, developing, and maintaining ETL (Extract, Transform, Load) processes that help organizations move and manage large volumes of data. Typically, they work under the guidance of senior developers, helping to create data workflows, troubleshoot issues, and ensure data quality. Their responsibilities often include writing code, testing data mappings, and learning best practices related to Informatica tools.
Junior Informatica Developer jobs near you
Infographic showing various Junior Informatica Developer job openings in Saint Charles, MO as of August 2026, with employment types broken down into 76% Full Time, 8% Part Time, 1% Temporary, and 15% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $116,898 per year, or $56.2 per hour.

Application Developer II

Cass Information Systems

Bridgeton, MO • On-site

Full-time

Re-posted 29 days ago

Job description

The Application Developer II is responsible for the development and deployment of technology to meet the needs and requirements of Cass. This position will handle fixing system bugs of simple to medium complexity and will develop system enhancements or assist others on larger more complex enhancements.

PRINCIPAL RESPONSIBILITIES AND DUTIES:

  • Participates in the planning, design, and implementation effort as assigned by the business or IT management.
  • Develops and maintains modules based on technical designs and development standards.
  • Remediates production bugs/defects as assigned.
  • Supports quality assurance testing to confirm that acceptance criteria are met.
  • Recommends changes to the processes, techniques, and technology to improve product quality, work efficiency, system performance and workload balance.
  • Mentors junior development team members when needed.
  • Participates in brainstorming, discussion, and estimation sessions.
  • Performs other duties as assigned.

SKILLS AND ABILITIES REQUIRED:

  • Strong communication skills both written (technical documentation) and verbal (presentations to IT team members and other division teams).
  • Ability to multi-task while still maintaining an attention to detail.
  • Have a solid understanding of telecommunications carrier billing standards and formats.
  • Knowledge of OOP design and patterns.
  • Knowledge of Core, Web, and MVC.
  • Knowledge of Micro Services Architecture.
  • Knowledge of cloud services (Azure preferred).
  • Experience using DevOps and Agile practices.

MINIMUM LEVEL OF PREPARATION AND TRAINING NORMALLY REQUIRED:

    • Bachelor’s degree in computer science or software engineering, or equivalent work experience.
    • 3-5 years of experience as a developer utilizing modern C#, Visual Studio, SQL 2012+.

    APPLICATION PROCESS:

    You can directly apply through Cass's website at https://www.cassinfo.com/careers. Please apply directly to this position via the “Apply” button. You will be required to create an account and provide your resume, contact information and other pertinent employment information. This process typically takes 20 minutes or less. Should we find that you meet the minimum requirement of the position, a member of our recruiting team will be in touch to start the interview process.

    ABOUT OUR COMPANY:

    Cass Information Systems, Inc. (NASDAQ: CASS) is a leading provider of integrated information and payment management solutions. Cass enables enterprises to achieve visibility, control and efficiency in their supply chains, communication networks, facilities, and other operations.  Disbursing over $94 billion annually on behalf of its clients, and with total assets of $2.5 billion, Cass is uniquely supported by Cass Commercial Bank. Founded in 1906 and a wholly-owned subsidiary, Cass Commercial Bank provides sophisticated financial exchange services to the parent organization and its clients. Cass is part of the Russell 2000®. More information is available at www.cassinfo.com. 

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