Web Services jobs in Creve Coeur, MO

St. Louis, Missouri

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20d ago

Job Title: Senior ServiceNow Software EngineerIntroductionWe are seeking a Senior ServiceNow Software Engineer to support a major greenfield ServiceNow implementation and modernization of existing ServiceNow development and infrastructure automation workflows. This role will involve hands-on development focused on building and supporting integrations between ServiceNow and infrastructure automation solutions. The ideal candidate is a strong ServiceNow developer with experience in Ansible and inf

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Contract

60 - 75

Senior ServiceNow Developer

St. Louis, Missouri

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8d ago

Role SummaryThe Senior ServiceNow Software Engineer supports enterprise ServiceNow implementation and modernization initiatives, with a focus on infrastructure automation, platform integrations, and sustainable development practices. This role designs and delivers secure, reliable, and maintainable ServiceNow solutions while prioritizing standard platform capabilities and reducing unnecessary customization. Responsibilities Provide senior-level ServiceNow development support for new implementati

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Third Party, Contract

Depends on Experience

Software Developer (Top Secret with agreement to obtain CI Poly Clearance Required)

St. Louis, Missouri

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Today

North Point Technology is looking to hire a Software Developer to support the design, development, and implementation of software solutions for an aeronautical navigation program. This role requires an active Top Secret clearance with the ability to obtain CI Poly. The position operates on a hybrid schedule with a typical work week of three to four days on-site. Responsibilities: This position involves collaborating with Product Owners, QA Managers, architects, and development teams in the des

Full-time

Engineer III - API Office

St. Louis, Missouri

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Today

This job posting is anticipated to remain open for 30 days, from 19-Oct-2026. The posting may close early due to the volume of applicants.Join a financial services firm where your contributions are valued. Edward Jones is a Fortune 500 company where people come first. With over 9 million clients and 20,000 financial advisors across the U.S. and Canada, we?re proud to be privately-owned, placing the focus on our clients rather than shareholder returns. Behind everything we do is our purpose: We

Full-time

Journeyman Full Stack Developer

St. Louis, Missouri

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Today

The Leidos National Solutions Division has an exciting opportunity for a Journeyman Full Stack Engineer to assist with the software development, maintenance, integration, deployment, and sustainment of maritime systems. Responsibilities: This role is responsible for adaptive, corrective, preventive and perfective maintenance of maritime systems software. This role uses best practices and patterns to perform design, development, and automated testing of software modules via DevSecOps in an Agil

Full-time

USD 69,550.00 - 125,725.00 per year

Data Scientist

St. Louis, Missouri

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Today

Job Type: Full- Time Workplace Type: Onsite at St. Louis, MO Clearance: Active TS/SCI clearance with CI Polygraph Benefits: Medical, dental, and vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too. Job Summary Castalia is seeking a highly skilled Data Scientist with a TS/SCI clearance and CI Polygraph to support a government customer in the St. Louis, Missouri area. Roles and Respo

Full-time

Test Engineer (Top Secret Clearance Required)

St. Louis, Missouri

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Today

North Point Technology is looking to hire a Test Engineer to provide Agile DevOps support to mission-critical systems requiring a Top Secret clearance with the ability to obtain a CI Polygraph. This role offers the opportunity to work within a High Performance Computing and mission software program, contributing to the design, development, and execution of comprehensive test strategies across cloud-based environments. Responsibilities: In this role you will collaborate with Product Owners, Dev

Full-time

Software Developer

St. Louis, Missouri

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Today

The Leidos FS2 Aero team has an opening for a junior software developer to work on the design and coding with software solutions for the Aeronautical Navigation Office. The ideal candidate has a familiarity with and a baseline understanding of software development concepts, developing coding skills using different tools, and ambition towards future projects in support of the mission. Primary Responsibilities The applicant must possess an understanding of core AWS services, like compute, storage

Full-time

USD 69,550.00 - 125,725.00 per year

Test Automation Engineer

St. Louis, Missouri

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Today

Job#: 3056271 Job Description: QA Automation Engineer - API Location: St. Louis, Missouri Role Overview The Message Solutions team is responsible for delivering core rental data to multiple endpoints, including email, print, data storage, and data messaging/synchronization to internal and external clients, as well as SMS text messaging. As a QA Automation Engineer, you will assess and evaluate requirements to determine the scope of functionality to be covered by testing through both manual a

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Full-time

$50 - $59 per hour

Integrations Engineer

Remote

•

Today

Integration Engineer with deep hands-on Workday API expertise and strong enterprise integration engineering skills. This role focuses on designing, developing, and troubleshooting API-driven HR integrations between Workday and other enterprise platforms. The ideal candidate combines Workday technical expertise with strong software engineering fundamentals, including API architecture, authentication, error handling, and cross-platform integration. This is a hands-on engineering role, not a functi

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Contract

$55 - $63

Senior Java Developer (Night Shift) - W2 ONLY

Remote

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Today

Candidates MUST BE local to Reston, VA, (or) Washington, DC This is strictly a W2 position and a NIGHT SHIFT role after the training. C2C / OPT-EAD Candidates are not eligible for this role. Title: Senior Java Engineer W2 Contract, 9 Months This position is primarily remote. Candidates must be willing to work onsite in Reston, VA or Washington, DC once per month for all-hands meetings. The first one-to-two weeks will be day-shift (9am-5pm) training (onsite). Thereafter, this will be a permanen

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Contract

$70 - $75

.NET Developer - Hybrid

Remote or Dallas, Texas

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Today

Job Role: .Net Developer - Hybrid Location: Dallas, TX Duration: Long Term No C2C only W2 Job Description: We are looking for a highly skilled and experienced Senior .NET Developer to join our development team. The ideal candidate will have a strong background in designing and developing scalable, secure, and high-performing APIs using .NET technologies. You will be responsible for end-to-end API development and integration, collaborating with cross-functional teams to deliver high-quality so

Contract

$DOE

Workday / UKG Pro Integration Consultant

Remote

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Today

Role: Workday / UKG Pro Integration Consultant Location: Remote Duration: 6+ Months Experience: 6-10+ years Job Description We are looking for an experienced Workday - UKG Pro Integration Consultant to design, develop, configure, and implement an API-based integration between Workday and UKG Pro. The resource should be hands-on and capable of managing the integration from technical design through development, testing, UAT, and production deployment. Responsibilities Review existing UKG doc

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Full-time, Part-time, Contract, Third Party

USD 70-75

Senior QA Tester Accessibility Testing (Section 508/WCAG 2.2 AA)

Remote

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Today

Position Overview (Accessibility certification (CPACC, WAS, or equivalent) required) The Department of Education is seeking a Senior QA Tester to support ongoing enhancements to applications used for monitoring and administering Individuals with Disabilities Education Act (IDEA) grants, including Parts B and C. Current project initiatives include the addition of two AEA funding streams, a fiscal monitoring tool, and three stand-alone form upload processes supporting budget and claims workflows.

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Contract

Depends on Experience

Lead Integration Developer

Remote

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16d ago

We are seeking an experienced Integration Lead Consultant to support a Annuities Transformation Program. This role will partner directly with the Head of Digital Services and work across the programs key technology vendors to review all integration work product developed to date and to build the framework required to transition that work into clients internal ownership.Responsibilities: Partner with project vendors to review all integration work product developed for the Annuities Transformation

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Contract

Depends on Experience

Java Backend Developer

Remote

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Today

We are looking for strong Java back-end developers as we move forward in the project in JAVA tech stack involving Restful Webservices and Soap Webservices. The project revolves around a lot of data coming from various sources, so strong SQL knowledge and interpretation of complex SQL queries is a must. Mandatory skills: Must have strong, hands on experience on: Strong hands-on understanding of Java 8 Hands-on experience on micro-services and webservices development (both SOAP and REST) Hands on

Full-time

USD 55.00 - 65.00 per hour

Software Developers

Remote

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2d ago

Job Title: Software Developers Location: Richmond, VA Employer: 4Consulting, Inc Position Type: Full Time Worksite: Remote Position Summary 4Consulting, Inc is seeking a qualified Software Developers to support technology consulting, application development, systems analysis, testing, data management, cybersecurity, infrastructure, or project delivery services for client projects. The selected candidate will perform duties consistent with the clients project requirements and company delivery sta

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Full-time, Third Party

Depends on Experience

Workday Integration Developer /Consultant @ New Jersey

Remote

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6d ago

Note Need local to NJ/NY/PA Please do not share or submit any profiles that do not meet the required skills and certification criteria. Workday Integrations Partner Certification or Workday Studio Certification Role: Workday Integration Developer ConsultantCurrent Location: New Jersey Contract Duration; 12+ months Mandatory SKills: 5 years of hands-on experience in Workday Integration Development.Workday Studio, PECI, WECI, EIB, and CCB. BIRT Workday Orchestrate Integration XML, XSLT, Web Servi

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Contract

Depends on Experience

Database/C# Programmer

St. Louis, Missouri

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Today

Overview Empower AI is AI for government. Empower AI gives federal agency leaders the tools to elevate the potential of their workforce with a direct path for meaningful transformation. Headquartered in Reston, Va., Empower AI leverages three decades of experience solving complex challenges in Health, Defense, and Civilian missions. Our proven Empower AI Platform provides a practical, sustainable path for clients to achieve transformation that is true to who they are, what they do, how they wo

Full-time

USD 76,830.00 per year

IVR Developer (Cisco CVP / Java)

Remote

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30+d ago

Location: Remote for Canadian Client Employment Type: Full-Time C2C/Incorporated welcome) About the RoleWe are seeking an experienced IVR Developer to join our team supporting enterprise contact center solutions for a bank. This role is ideal for a developer with strong expertise in Cisco CVP, Java, and contact center technologies, with hands-on experience building scalable customer self-service IVR applications and integrating them with backend systems. You will work closely with architects, bu

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Full-time

Depends on Experience

Web Services jobs in Creve Coeur, MO, USA