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+.APPLICATION PROCESS:You can directly apply through Cass's website at . 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 . Job SummaryRequisition Number: APPLI002879Job Category: ITSchedule: Full-Time
- 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...SuggestedFull time
- 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...SuggestedFull time
- ...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...SuggestedContract work
$119.77k - $140.9k
...Responsibilities:- Responsible for designing, developing, testing, operating and maintaining... ...with CICS/VTAM and/or IMS/DB2, COBOL II, Easy Trieve, JCL, MVS operating system,... ...a disability during any portion of the application or hiring process, please refer to our disability...SuggestedFull timeWork experience placementLocal area3 days per week- TITLE:BI App Developer III (Multiple Openings)LOCATION:Maryland Heights, MOJOB SUMMARY:Deliver reporting products and timely analyses... ...aspects of their well-being at every stage of life. A qualified applicant’s criminal history, if any, will be considered in a manner...SuggestedLocal area
- ...operations team is divided into two focus areas: Application Operations and Platform Operations, allowing team members to develop deeper subject matter expertise while... ...OBO) systems and infrastructure. The Engineer II will work alongside senior engineers to maintain...
$65k - $72.68k
...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,...Permanent employmentFull timeWork experience placementInterim roleWorldwideRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift work- ...code assistants (Windsurf, Cursor, GitHub Copilot, Claude, etc.) in software development workflows. ~ Experience developing modern front-end applications with Angular. ~ Experience building or contributing to mobile applications using Flutter. ~ Experience...Hourly payContract workRemote work
- ...VII (Multiple Openings)LOCATION:Maryland Heights, MOJOB SUMMARY:Develop, modify, enhance and implement software systems designed to... ...technical requirements. Develop and implement technical solutions for applications hosted in Amazon Web Service (AWS) and On-Prem to support...Local area
$105k - $128.14k
...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...Permanent employmentFull timeWork experience placementInterim roleWorldwideVisa sponsorshipWork visaRelocation packageFlexible hoursShift work$112.2k - $151.8k
...deliver solutions to our customers and stakeholders. In GVHMS, we develop software that enables maintainers to keep military aircraft... ...Workplace: Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine,...Permanent employmentFull timeWork experience placementInterim roleCurrently hiringRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift work$126.65k - $171.35k
Software Engineer-Developer, Phantom Works Weapons (Experienced or Senior)Company:The Boeing CompanyThe Boeing Company is seeking an Application Software Engineer (Experienced or Senior) to join the Phantom Works Weapons team in St. Charles, MO (St. Louis Area). This teamsupports...Permanent employmentFull timeWork experience placementCurrently hiringRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift work$105.4k - $124k
...principles.Essential Responsibilities:Responsible for designing, developing, testing, operating and maintaining productsTakes full stack... ...and customersExposure to financial or enterprise-grade applications.Analytical and debugging skills.Ability to work independently...Full timeWork experience placementLocal area3 days per week$119.77k - $140.9k
...adept with the agile software development lifecycle and DevOps principles.Essential Responsibilities:Design, develop, test, and maintain scalable applications using Java and Spring Boot.Build and support RESTful APIs and microservices-based solutions.Participate in all...Full timeLocal area3 days per week- Boeing Precision Engagement Systems in St. Louis metro area is seeking Real-Time Software Engineers (Associate or Experienced) to design, implement and test real-time embedded software for weapon systems. You will work across the software lifecycle using Ada, C/C++, and...
$82k - $115k
...frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The Senior... ...code (IaC) solutions using AWS CloudFormation, containerized applications (Docker/Kubernetes), and automated deployment workflows. #...Temporary workWork from home2 days per week3 days per week$126.65k - $171.35k
...generation of flight simulators to train our nation’s military pilots. Develop subsystems for Boeing Flight Trainers such as the Instructor/... ...with Python, Lua or OpenGL is a plus Developing applications targeted for desktop as well as mobile/tablet environments...Permanent employmentWork experience placementInterim roleRelocationVisa sponsorshipWork visaFlexible hoursShift workDay shift$63 - $90 per hour
...MOType:ContractJob#46727Technology Partners is currently seeking a talented Senior .NET Full-Stack Developer. Do you have experience building large-scale distributed applications using .NET, ASP.NET Core, AWS services, and modern JavaScript frameworks? Let us help you make...- ...of software products. Your expertise will be instrumental in developing, maintaining, enhancing and optimizing software products and functionalities... ...Free Workplace: We are a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine,...Flexible hours
- ...Software Engineer-Developer 3 | Maryland Heights, Missouri, United States Indotronix is seeking an :Software Engineer-Developer... ...Support the development, maintenance, and enhancement of software applications in a secure environment. Troubleshoot technical issues,...
$126.65k - $171.35k
...future with us. The Boeing Company is looking for a Software Developer Engineer (Experienced or Senior) to join the Digital... ...to the development, maintenance, and enhancement of web-based applications, databases, and data processing tools on advanced aircraft programs...Permanent employmentWork experience placementInterim roleCurrently hiringRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift- ...realistic training environment that combines both a physical and virtual world. Design, develop, test and troubleshoot software across the development cycle for GUIs and runtime applications. Use disciplined software development methods, construction techniques, usability...Permanent employmentWork at officeShift work
- ...Software Engineer-Developer 3 | Hazelwood, Missouri, United States Software Engineer-Developer 3 - Hazelwood, MO About the Role Join... ...Developer 3 and play a vital part in supporting secure software applications for defense and regulated industries. This is an opportunity...Flexible hoursShift workDay shift
$105k - $147.51k
...consistently delivering excellence, taking full ownership, and developing innovative solutions that enable critical missions and ensure... ...Workplace: We are a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids...Work experience placementWorldwideRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift work- ...software with control loading and motion software and hardware. Develop complete Auto flight system test program and prepare Auto... ...abstract and concrete variables. Valid Drivers License, where applicable. Physical Demands and Work Environment The physical demands and...Permanent employmentWork at officeShift work
$105k - $130k
...Sr. Full Stack Developer Founded in 1990, World Wide Technology (WWT), a global technology solutions provider?leading the?AI and... ...contributor responsible for designing and building full-stack software applications, AI-powered solutions, and software-centric lab environments...Full timeRemote workShift work$87.1k - $157.45k
...Intelligence Community customer. In this role, you’ll design, develop, and deliver modern software solutions that enable critical national... ...to build and maintain microservices, APIs, and web-based applications that support GEOINT data access, visualization, and...Contract workLocal areaImmediate start$107.9k - $195.05k
...connectivity Experience diagnosing and resolving VPC connectivity issues Develop, update, and maintain GitLab CI/CD pipeline code Configure,... ..., as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos...Local areaImmediate startRemote work$87.1k - $157.45k
...serverless components including Lambda and API Gateway. Work with developers to support testing activities, validate functionality, and... ...abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos...Local areaImmediate start$91.8k - $124.2k
...engineering environment based upon the DevSecOps framework.Designs and develops automation processes and aids in software build and releases... ...support for the program and assists in satisfaction of Application Security, IT, and customer security directives and requirements...Permanent employmentFull timeWork experience placementInterim roleRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Application Developer II. Be the first to apply!
- app Bridgeton, MO
- app delivery Bridgeton, MO
- cash application clerk Bridgeton, MO
- cash application representative Bridgeton, MO
- senior application security Bridgeton, MO
- senior application administrator Bridgeton, MO
- cash applications coordinator Bridgeton, MO
- cash app Bridgeton, MO
- app support Bridgeton, MO
- now accepting applications Bridgeton, MO

