UNKNOWN

FEED

As the gateway to our open platform, this site is essential to our innovation strategy; its performance, reliability, and usability directly impact our ability to deliver a world-class developer experience. This role will play a critical part in building and maintaining jackhenry.dev, the public-facing developer portal that enables fintech partners to seamlessly integrate with Jack Henry.

Jack Henry & Associates Inc

Senior Frontend JavaScript Engineer

In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. This role will focus on developing and configuring business applications, supporting process automation initiatives, and collaborating with cross-functional teams to deliver high-quality solutions in an Agile environment.

HOUR

StratAcuity Staffing Partners Inc

Pega BPM Developer

October 23, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. The Leidos FS2 Aero team has an opening for a senior software developer to work on the design and coding with software solutions for the Aeronautical Navigation Office for 6 month – temporary to permanent hire position.

YEAR

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Software Developer

ea_via_bold

In this role, you will collaborate with front-end developers, architects, product owners, digital teams, integration teams, and business stakeholders to deliver secure, scalable, and high-performing commerce solutions for both B2B and B2C customers. Best-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology that is built for the needs of the world ahead.

Copeland Controls Srl

Full Stack eCommerce Developer (.NET/C#)

This position involves collaborating with Product Owners, QA Managers, the Chief Architect and development teams in the design, development, testing, and maintenance of software solutions supporting customer needs, mission objectives, and product requirements. Requires BS degree and & 12+ years of prior relevant experience OR, MS with 10+ years of prior relevant experience; OR may possess a Doctorate in technical domain OR 12 years of experience in lieu of degree.

Bailey Information Technology

Top Secret - Software Developer (T5)

This position involves collaborating with Product Owners, QA Managers, the Chief Architect and development teams in the design, development, testing, and maintenance of software solutions supporting customer needs, mission objectives, and product requirements. The role applies software development and troubleshooting experience to resolve defects, maintain secure and agency compliant code baselines, participate in code reviews, and document technical solutions.

Top Secret - Software Developer (T4)

Preferred Skills: Javascript, n8n.io, REST APIs, Next.js, React, Retool, Postman, Slack, Postgres, MySQL, XML, AWS EC2 S3, and DigitalOcean. We are unable to consider candidates for this role who have a current or future work sponsorship need (this includes those holding extended OPT Visas).

LaunchCode Foundation

This unique position combines cloud infrastructure administration with hands-on software development, giving you the opportunity to work with Amazon Web Services (AWS), Terraform, Python, and custom AI applications. Assist with provisioning, configuring, monitoring, and maintaining AWS cloud resources, including compute, storage, networking, and identity services.

Jmark

Cloud Systems Administrator and Developer I

Experience configuring, maintaining, and resolving centralized collection systems using communication protocols such as Open Platform Communications Unified Architecture/Data Access (OPC-UA/DA) and Message Queuing Telemetry Transport (MQTT). Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities.

Deloitte

MES Developer Manager

ETL/ELT pipeline engineering: Proficiently designs, builds, and maintains batch and near-real-time ETL Tool workflows including complex transformations, error handling, restartability, and scheduling; independently resolves moderately complex pipeline issues. Develop reliable data pipelines: Design, build, and maintain batch and near-real-time data pipelines in ETL Tool and SQL that ingest, transform, and deliver insurance and annuity data accurately and efficiently for reporting, analytics, and downstream applications.

Americo Financial Life and Annuity Insurance Company

Data Integration Developer II

With $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. This role is central to keeping deals financially disciplined, diligence-clean, and on schedule, and serves as the primary point of coordination between the Vice President, outside consultants, and vendors.

Clayco

Senior Director of Development

Crelate

OTHER

As a Senior TPM, you should be able to: Proactively manage the end-to-end delivery of engineering work through the organization and all dependent organizations, reporting out progress, ensuring dependencies are covered, overseeing the gaps between teams, processes, and systems, while removing all blocking issues leading to a successful delivery. Job Title: Senior Technical Program Manager Location: O Fallon, MO (LOCAL CANDIDATES PREFERRED) Type: W2 Contract ***Only qualified Senior Technical Program Manager candidates located near the O'Fallon MO area to be considered due to the position requiring an onsite (hybrid) presence.***.

Accord Technologies Inc.

Senior Technical Program Manager

Ceipal

Collaboration: Collaborate with cross-functional teams, including developers, network administrators, and database administrators, to ensure seamless integration and operation of applications. CRB is a leading provider of sustainable engineering, architecture, construction and consulting solutions to the global life sciences and food and beverage industries.

CRB Group, Inc.

Sr. Application Administrator

The Senior Digital Experience & Content Designer is a hybrid designer who combines user-centered design thinking, digital content creation, and visual design to create personalized experiences for consumers across digital touchpoints. Relevant examples may include email, push notifications, content cards, personalized experiences, loyalty/rewards, promotions, CRM/lifecycle communications, websites, applications, or other digital touchpoints.

FuseGlobal

Senior Digital Experience & Content Designer

Accounting Principles, Collaboration, Communication, Confidentiality, Critical Thinking, Customer Relationship Management (CRM), Data Analysis, Data Interpretations, Data Management, Detail-Oriented, Fundraising Software, Interact with All Levels of Management, Leadership, Meeting Deadlines, Mentorship, Microsoft Office, Nonprofit Organizations, People Management, Prioritization, Process Improvements, Project Management, Records Management, Salesforce (Software), Sound Judgment, Working Independently Grade . Engage in all Gift Operations functions including the accurate and timely processing of gifts and commitments in the University Advancement CRM, ARCH; ensure transactions are processed in accordance with documented donor intent and in compliance with relevant IRS, CASE, university, and departmental guidelines.

Washington University in St Louis

Senior Associate Director Of Gift Operations - University Advancement

Teaming up with developers to build accessible, responsive frontends using HTML, CSS, and JavaScript—getting everything production-ready. You will then team up with Analysts to evaluate the effectiveness of your designs through real user feedback to test, iterate, and continuously improve your experiences.

Veterans United

Sr. UX/UI Engineer

Skills: Atlassian Confluence, Atlassian JIRA, Biomedical Informatics, CI/CD, Communication, Cross-Team Coordination, DICOM Images, End User Documentation, GitHub, Git Workflow, Life Sciences Industry, Medical Centers, Medical Imaging, NIH Grants, Open Source Software (OOS), Quality Documentation, Radiology, Release Engineering, Report Writing, Scrum (Agile), Software Development Process, XNAT. TPM will serve as the operational backbone of XNAT - coordinating a distributed team of internal engineers and external open-source contributors, managing release engineering, driving documentation quality, and communicating progress to funders, institutional partners, and the broader imaging informatics community.

Senior Technical Project Manager (Hybrid) - Radiology

This role combines deep EnterpriseOne financial module knowledge with strong business analysis, process improvement, testing, documentation, and project coordination skills to reduce reliance on external ERP finance consulting resources and strengthen internal ERP support. The Senior IT Business Analyst - EnterpriseOne Finance serves as the functional lead and primary IT partner for JD Edwards EnterpriseOne financial processes, partnering with Finance, Accounting, IT, and business stakeholders to support, enhance, and continuously improve ERP capabilities.

True Manufacturing Company, Inc.

Senior Business Analyst - EnterpriseOne Finance

ADAPTED_NOW

Summary: The client is looking for an experienced Senior Accountant to provide hands-on accounting support during a busy period that includes year-end activities, audit preparation, and supporting accounting work during an accounting software conversion. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs.

Kforce is a solutions firm specializing in technology, finance and accounting, and professional staffing services. Our KNOWLEDGEforce® empowers top companies to achieve their digital transformation goals. We curate teams of technical experts who deliver solutions custom-tailored to each client’s needs. These scalable, flexible outcomes are shaped by deep market knowledge, thought leadership and our multi-industry expertise.
 
Our integrated approach is rooted in 60 years of proven success deploying highly skilled professionals on a temporary and direct-hire basis. Each year, approximately 18,000 talented experts work with the Fortune 500 and other leading companies. Together, we deliver Great Results Through Strategic Partnership and Knowledge Sharing®.

Kforce Inc.

Senior Accountant (Part-Time / Remote)

kforce

Louis, Enterprise Mobility together with its affiliate Enterprise Fleet Management manages a diverse fleet of 2.4 million vehicles and accounted for nearly $39 billion in revenue through a network of more than 9,500 fully-staffed neighborhood and airport rental locations in more than 90 countries and territories. This role involves analyzing requirements, designing, and executing manual test plans and test cases, identifying and tracking defects, performing root cause analysis, and coordinating retesting efforts to validate fixes.

ABOUT COMPANY: 
 
A family-owned, world-class portfolio of brands. A global network that spans across more than 90 countries. Some 100,000 dedicated team members sharing common values. And more than 1.9 million vehicles taking our customers wherever they need to go. Any way you measure it, we've become a leader in the transportation service industry. How did we get here? By taking care of our customers, our communities and our employees – and staying true to our mission.
 
 
Working Here
 
 
Our people are the reason for our success. By living out our values each day and providing exceptional customer service, we’ve built a strong culture – one in which we bring honesty and integrity to all we do. We work hard, but never forget to have a little fun in the process. For more than 60 years, our values have been at the root of our success as a team and as individuals.
 
 
Our Values:
 
 
•	Our brands are the most valuable things we own. 
•	Personal honesty and integrity are the foundation of our success. 
•	Customer service is our way of life. 
•	Our company is a fun and friendly place where teamwork rules. 
•	We work hard... and we reward hard work. 
•	Great things happen when we listen... to our customers and to each other. 
•	We strengthen our communities, one neighborhood at a time. 
•	Our doors are open.

Senior Developer Jobs in Missouri

Senior Frontend JavaScript Engineer Jack Henry & Associates Inc

Pega BPM Developer StratAcuity Staffing Partners Inc

Software Developer Leidos

Full Stack eCommerce Developer (.NET/C#) Copeland Controls Srl

Top Secret - Software Developer (T5) Bailey Information Technology

Top Secret - Software Developer (T4) Bailey Information Technology

Software Developer LaunchCode Foundation

Cloud Systems Administrator and Developer I Jmark

MES Developer Manager Deloitte

Data Integration Developer II Americo Financial Life and Annuity Insurance Company

Senior Director of Development Clayco

Senior Technical Program Manager Accord Technologies Inc.

Sr. Application Administrator CRB Group, Inc.

Senior Digital Experience & Content Designer FuseGlobal

Senior Associate Director Of Gift Operations - University Advancement Washington University in St Louis

Sr. UX/UI Engineer Veterans United

Senior Technical Project Manager (Hybrid) - Radiology Washington University in St Louis

Senior Business Analyst - EnterpriseOne Finance True Manufacturing Company, Inc.

Senior Accountant (Part-Time / Remote) Kforce Inc.

Senior Test Automation Engineer Enterprise Holdings

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