Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Application Developer II

Cass Information Systems, Inc.

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+. Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities. This employer is required to notify all applicants of their rights pursuant to federal employment laws. #J-18808-Ljbffr Cass Information Systems, Inc.

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Application Developer II in Bridgeton, MO vacancy
  • Cass Information Systems, Inc. is looking for an Application Developer II to develop and deploy technology solutions. The role will involve addressing system bugs, enhancing systems, and collaborating with IT management. The ideal candidate should possess strong communication... 
    Suggested

    Cass Information Systems, Inc.

    Bridgeton, MO
    5 days ago
  • B. BRAUN MEDICAL (US) INC is looking for an Infrastructure Tech Spec II to support the design, implementation, and operation of their enterprise infrastructure platforms. This role involves supporting Azure environments, troubleshooting system issues, and adhering to regulatory... 
    Suggested

    B. BRAUN MEDICAL (US) INC

    Hazelwood, MO
    4 days ago
  • B. Braun Medical Inc. is seeking an Infrastructure Tech Spec II in Hazelwood, MO. This role involves supporting the design and operation of enterprise infrastructure platforms for Aesculap, Inc. and broader B. Braun environments. The ideal candidate has 5+ years of IT... 
    Suggested

    B. Braun Medical Inc. (US)

    Hazelwood, MO
    3 days ago
  • $116.81k - $157.7k

    A leading defense technology firm in Bridgeton, MO is searching for a Project Engineer level II. In this role, you will lead engineering efforts for projects ensuring they are completed on time and within budget. You are expected to have at least 8 years of experience... 
    Suggested

    Leonardo DRS

    Bridgeton, MO
    4 days ago
  •  ...Lead Application Developer is responsible for developing and implementing application changes and is expected to stay abreast of the available technology regarding application development, information delivery, and relational database technology, as well as lead assigned... 
    Suggested

    Cass Information Systems

    Bridgeton, MO
    15 hours ago
  •  ...Your Next Career Move Starts Here! The Role: Lead Application Developer Location: Bridgeton, MO Type: Contract to hire What You'll Do: The Lead Application Developer is responsible for developing and implementing application... 
    Contract work

    Golden Technology

    Bridgeton, MO
    15 hours ago
  •  ...The Senior Application Developer – Legacy Modernization strengthens and evolves legacy systems by improving operational stability, enhancing observability, and migrating core services to modern, scalable platforms. This role designs and executes modernization strategies... 

    Cass Information Systems

    Bridgeton, MO
    22 hours ago
  •  ...practices. This role requires 100% onsite presence and involves orchestrating the installation of COTS packages, maintaining them, and developing Infrastructure-as-Code scripts using tools like Terraform. A current U.S. Secret Security Clearance is required. #J-18808-Ljbffr... 

    Boeing

    Hazelwood, MO
    1 day ago
  •  ...A leading information management firm in Bridgeton, Missouri, is seeking a Lead Application Developer to drive application changes and lead a team of developers. Candidates should have significant experience in programming languages such as C# and ASP, along with solid... 

    Cass Information Systems

    Bridgeton, MO
    3 days ago
  •  ...An exciting opportunity exists for a Junior Salesforce Developer to join a forward-thinking technology team. No prior Salesforce experience is required—just a strong foundation in programming and a passion for learning. The successful candidate will work on custom Salesforce... 
    Internship

    The Recruitment Council

    Hazelwood, MO
    3 days ago
  • $93.12k - $125.71k

     ...Senior Software Engineer provides technical and analytical work to develop, design, and/or support software solutions across multiple U.S...  ...of industry experience in delivering high-quality, innovative applications and programming experience in one or more of the following: C,... 
    Full time
    Contract work
    Local area

    Leonardo DRS

    Bridgeton, MO
    1 day ago
  •  ...A technology recruitment agency in Hazelwood is seeking a Junior Salesforce Developer. This role requires a strong programming foundation and offers the opportunity to work on custom Salesforce solutions using Lightning Web Components. The ideal candidate has programming... 

    The Recruitment Council

    Hazelwood, MO
    2 days ago
  •  ...Embedded Software Engineer. This full-time role allows for in-person or hybrid work. Responsibilities include leading projects, developing embedded software, and collaborating with engineering teams. The ideal candidate has extensive experience in software development... 
    Full time

    Leonardo DRS

    Bridgeton, MO
    22 hours ago
  •  ...POSITION SUMMARY The Application Engineer is responsible for the design, application, budgeting, and quoting of custom HVAC and air-handling...  ...sales representatives and cross-functional teams, this role develops customer-focused equipment solutions, prepares accurate cost... 

    Arizon Companies

    Maryland Heights, MO
    1 day ago
  •  ...difference at Fiserv. Job Title Full Stack .NET Software Developer What does a successful Full-Stack .NET Software Developer...  ...Fiserv designs, builds, and maintains high-quality software applications that support business goals and client needs. They collaborate... 

    Fiserv

    Hazelwood, MO
    6 days ago
  • $82.4k - $103k

     ...regression testing. Mentor and collaborate with offshore/onsite developers, perform code reviews, and promote best practices and...  ...multiple stakeholder communities, design and implementation specs, application configuration, workflow configuration, UI configuration,... 
    Full time
    Remote work
    Shift work

    World Wide Technology

    Maryland Heights, MO
    3 days ago
  •  ...If you are unable to complete this application due to a disability, contact this employer to...  ...infrastructure for our customer-facing platform, developing application and back-end logic, managing...  ...in compliance with SOC 2 Type II and privacy requirements (GDPR/CCPA) Must... 
    Full time
    For contractors
    Work at office

    Augustine Institute

    Florissant, MO
    4 days ago
  • $126.66k - $171.35k

     ...is seeking an experienced Software Engineer for their Phantom Works proprietary program based in Berkeley, MO. This role involves developing software for the Vehicle Management System (VMS), essential for advanced defense platforms. The ideal candidate will have... 
    Flexible hours

    Boeing

    Hazelwood, MO
    5 days ago
  • $85 - $90 per hour

     ...seeking a Software Engineer - Embedded 4 for a contract position. This role requires 9+ years of experience in developing C++ software for embedded applications and a Bachelor’s degree in a relevant field. The engineer will lead the design and development of embedded... 
    Hourly pay
    Contract work

    Boeing Future of Flight

    Hazelwood, MO
    2 days ago
  • $62.3 - $89 per hour

     ...code for both UI and API layers. Support: Provide support for application issues, ensuring high performance and responsiveness. Documentation...  .../CD pipelines. Relevant certifications, such as AWS Certified Developer. Previous experience in the agriculture or crop science... 

    Technology Partners

    Maryland Heights, MO
    22 hours ago
  •  ...Job Overview Sr. Technical Application Engineer - South Central Region (TX, OK, AR, LA) The Sr. Technical Application Engineer is the primary...  ...that optimize value for both the customer and Hubbell Develop and deliver demonstrations of hardware and software solutions... 
    Remote work

    Hubbell

    Maryland Heights, MO
    1 day ago
  • $105k - $128.14k

     ...Heights, MO to join a team delivering MQ-28 capabilities. The role involves developing software in C#, maintaining work items in Azure DevOps, and collaborating in an agile environment. Applicants must have a Bachelor's Degree, 5 years of C# .NET experience, and be... 

    Boeing

    Maryland Heights, MO
    2 days ago
  • A technology solutions company is seeking a skilled Embedded Cyber Software Developer who will focus on cybersecurity initiatives related to secure boot processes and firmware security. The role includes developing boot loaders and collaborating with teams to integrate... 
    Remote job

    Cts Technology Solutions, Inc.

    Hazelwood, MO
    2 days ago
  • $99.45k - $143.75k

     ...Company is seeking Associate Real Time Software Engineers to develop software for the Vehicle Management System in Hazelwood, MO. Candidates...  ...insurance, retirement plans and potential signing bonuses. Applications accepted until May 18, 2026. #J-18808-Ljbffr The Boeing... 
    Relocation package

    The Boeing Company

    Hazelwood, MO
    4 days ago
  • Boeing is seeking a Software Engineer in Hazelwood, MO for the Department of Navy Tomahawk program. This position is crucial for expanding our customer base and ensuring longevity in our services. Qualified candidates should have 3+ years of experience with VB.NET or C#...

    Boeing

    Hazelwood, MO
    1 day ago
  • $126.66k - $171.35k

     ...program located in Berkeley, MO . This position will focus on developing Vehicle Management System (VMS) software to support the...  ...Potential signing bonus for eligible/qualified external candidates. Applications for this position will be accepted until Jun. 19, 2026 Export... 
    Permanent employment
    Work experience placement
    Interim role
    Relocation
    Relocation package
    Flexible hours
    Shift work
    Day shift

    The Boeing Company

    Hazelwood, MO
    15 hours ago
  •  ...The Boeing Company in Maryland Heights, MO is seeking an Associate Software Engineer to develop C# software for the MQ-28 program. This role involves working within a self-organizing development team and adopting Agile methodologies. Candidates must have at least a Bachelor... 

    The Boeing Company

    Maryland Heights, MO
    3 days ago
  • $133k - $155k

     ...consistently delivering excellence, taking full ownership, and developing innovative solutions that enable critical missions and ensure...  ...Free Workplace We are a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids... 
    Worldwide
    Relocation package
    Flexible hours
    Shift work
    Day shift

    The Boeing Company

    Hazelwood, MO
    15 hours ago
  •  ...We are seeking a Software Engineer to design, develop, and maintain software that powers automated saw systems used in the truss and...  ...manufacturing environments. You will build and support desktop/web applications that control physical machinery, ensuring accurate cutting... 
    Temporary work
    Work at office

    MiTek Industries

    Earth City, MO
    4 hours ago
  • $94.35k - $127.65k

     ...for estimates in support of proposal activities. You will also develop processes and support activities to ensure procedures are...  ...Workplace:? Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids... 
    Permanent employment
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work
    Day shift

    The Boeing Company

    Hazelwood, MO
    3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Application Developer II. Be the first to apply!