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Iot Full Stack Developer Jobs in O Fallon, MO (NOW HIRING)

Developer .Net/C#

Saint Louis, MO ยท On-site +1

$47 - $62/hr

We are seeking a full stack developer with JavaScript and C# .NET Core development to join our team in St. Louis, MO. You will have the opportunity to utilize a wide range of new development ...

JAVA Full stack Developers

Bridgeton, MO ยท On-site

$48.50 - $62.75/hr

Company Description ERP Analysts Inc . an Oracle Platinum Partner specialized in Oracle product licensure, implementations, upgrades and production support for PeopleSoft, Fusion Applications, Fusion ...

JAVA Full stack Developers

Bridgeton, MO

$48.50 - $62.75/hr

Company Description ERP Analysts Inc . an Oracle Platinum Partner specialized in Oracle product licensure, implementations, upgrades and production support for PeopleSoft, Fusion Applications, Fusion ...

Mid-Level Software Engineer

Bridgeton, MO ยท On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Mid-Level Software Engineer

Chesterfield, MO ยท On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure ...

Showing results 41-60

Iot Full Stack Developer information

See O Fallon, MO salary details

$22

$55

$80

How much do iot full stack developer jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for iot full stack developer in O Fallon, MO is $55.44, according to ZipRecruiter salary data. Most workers in this role earn between $46.11 and $63.85 per hour, depending on experience, location, and employer.

What is the difference between Iot Full Stack Developer vs Iot Software Engineer?

AspectIot Full Stack DeveloperIot Software Engineer
Required SkillsFrontend & backend development, IoT protocols, cloud integrationEmbedded systems, firmware, IoT protocols, software development
Work EnvironmentCross-functional teams, full project lifecycleEmbedded hardware, firmware, software testing
Common UsageDesigning complete IoT applications, user interfacesDeveloping device firmware, embedded software

The main difference is that IoT Full Stack Developers handle both frontend and backend development for IoT solutions, focusing on user interfaces and cloud integration. IoT Software Engineers primarily work on embedded systems and firmware for IoT devices. Both roles require knowledge of IoT protocols, but their focus areas differ, with Full Stack Developers managing entire applications and Software Engineers concentrating on device-level software.

Is IoT a high paying job?

IoT Full Stack Developers often earn above-average salaries due to their specialized skills in hardware, software, and networking. Compensation varies based on experience, location, and certifications, but the role generally offers competitive pay within the tech industry.

What are the key skills and qualifications needed to thrive as an IoT full stack developer, and why are they important?

To thrive as an IoT Full Stack Developer, you need expertise in both hardware and software integration, proficiency in programming languages like Python, JavaScript, and C/C++, and a solid understanding of networking protocols. Experience with IoT platforms (such as AWS IoT or Azure IoT), database management, and familiarity with embedded systems and cloud services are typically required, along with relevant certifications. Strong problem-solving abilities, effective communication, and adaptability set top performers apart in this role. These skills are crucial for building reliable, scalable IoT solutions that bridge devices, data, and user interfaces while ensuring seamless collaboration across multidisciplinary teams.

Are IoT full stack developers still in demand?

IoT full stack developers are still in demand due to the growing adoption of connected devices and smart systems across industries. They are valued for their skills in hardware integration, software development, and cloud platforms, often requiring knowledge of programming languages like Python, JavaScript, and experience with IoT protocols. The demand is expected to continue as IoT expands into sectors such as manufacturing, healthcare, and home automation.

What is an IoT full stack developer?

An IoT Full Stack Developer is a professional who designs, develops, and maintains both the hardware and software components of Internet of Things (IoT) systems. They work across the entire technology stack, from device firmware and embedded systems to cloud platforms, databases, and user interfaces. These developers are skilled in programming, networking, and data management, enabling the integration and communication of physical devices with digital applications. Their role is crucial in building seamless, secure, and scalable IoT solutions that collect, process, and present data to users or other systems.

What are some common challenges IoT full stack developers face when integrating hardware and software components?

IoT Full Stack Developers often encounter challenges when bridging the gap between embedded hardware and cloud-based applications. Key issues include ensuring reliable communication between devices and servers, managing security risks across multiple layers, and handling large volumes of data generated by connected devices. Additionally, developers must coordinate with hardware engineers, firmware developers, and backend teams to ensure seamless integration and optimal performance. Adaptability and strong problem-solving skills are crucial for overcoming these technical and collaborative hurdles.

Senior Software Engineer - Java Full Stack Engineer

MasterCard

O Fallon, MO โ€ข On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 18 days ago


Job description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Senior Software Engineer - Java Full Stack EngineerAll About Us
MasterCard is a technology company in the global payments business. We connect consumers, financial institutions, merchants, governments, and businesses worldwide and enable them to use secure and convenient electronic forms of payment.
Join the industry's most passionate, motivated & engaged global team - Our employees are encouraged to drive innovation every day in support of a more connected world - A World Beyond Cash.
Overview:
The MasterCard B&MI Technology development team is engaged in working with new and innovative technologies to build business solutions that keep MasterCard positioned as a leader in delivering value added business analytic and reporting solutions to our diverse customer base. We work collaboratively with our product partners and other technical teams to continuously improve and enhance our existing products and drive new products to the global marketplace. We are currently seeking candidates that will be responsible to support the technical lead in overall architecture, design and produce a high-quality code using different languages.
Role:
This position is a member of the MasterCard B&MI Technology focusing on development of Enterprise Application Development using Java tech stack and Angular/React as the Front-end technologies.
Participate in the gathering of business requirements.
Ensure software designs align with MasterCard's Enterprise Architecture and leverage our enterprise services.
Ensure product development meets MasterCard's business needs.
Ensure development teams use the appropriate MasterCard standard development methodologies and follow our technology standards, and that all projects and development are appropriately documented.
Ensure that software and system design and delivery support the goal of zero down time in production.
Work closely with business partners on product definition, product roadmaps, business case development, and overall direction for the team.
Respond to operational and business concerns or issues relative to future business programs, projects, or enhancements to ensure consistent delivery of quality services.
Ensure development supports all appropriate certifications and compliance requirements, including those for PCI, GLBA, Safe Harbor, and others.
Responsible for performance engineering of the enterprise software architecture, and providing functional guidance, advice, and/or training to other application developers.
Responsible for designing, developing, testing, delivering, and monitoring scalable and secure cloud architectures, using various AWS cloud and cloud native platforms, such as EC2, ECS, S3.
Need to improve and expand the existing platform by ensuring that it is resilient, secure, and scalable.
All About You:
Bachelor's degree in Information Systems, Information Technology, Computer Science or Engineering or equivalent work experience.
More than 7 years of industry experience
Excellent Communication skills required to interact across multiple organizational levels of internal and external customer groups.
Strong analytical and problem-solving abilities, with quick adaptation to new technologies, methodologies, and systems
High-energy, detailed-oriented, proactive, and able to function under pressure in an independent environment along with a high degree of initiative and self-motivation to drive results.
Strong interpersonal, relationship-building with a solid track record for developing internal and external.
Proficient working with J2EE, Java 8 or higher, JSP, Servlets, Spring 5, Hibernate, and Database (Oracle, SQL Server)
Experience with SQL and NO SQL databases like MySQL, Postgres, MongoDb etc.
Experience in the following a plus: Web Services - SOAP/ RESTFul, Servers - WebSphere/JBOSS/Tomcat, HTML/ javascript/ JQuery, UNIX ( Shell, awk scripting), XML/ XSLT, CSS, C Sharp, React / Angular , IDE (Microsoft Visual Studio, RAD/ Eclipse)
Experience with various tools(Maven, Gradle, Jenkins, Chef, Sonar) and methodologies ( Waterfall, Agile)
Prior experience in Cloud Native Application DevelopmentMastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

Corporate Security Responsibility


All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

  • Abide by Mastercard's security policies and practices;

  • Ensure the confidentiality and integrity of the information being accessed;

  • Report any suspected information security violation or breach, and

  • Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.

Pay Ranges

O'Fallon, Missouri: $115,000 - $184,000 USD