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Coding Jobs in Troy, MO (NOW HIRING)

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Role • Own software delivery tasks (code development, test, deployment, release, configuration and documentation) at an application/software component level • Able to troubleshoot and refactor ...

Software Engineer II

O Fallon, MO · On-site

$91K - $124K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Role • Serve as a hands-on developer who writes high-quality, secure, modular, functional, and testable code to support the Bill Pay Program. • Contribute to all phases of the software ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... code coverage, and system reliability • Analyze and optimize system performance, scalability, and efficiency • Apply secure coding practices and lead vulnerability remediation efforts (CVE ...

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Role Own software delivery tasks (code development, test, deployment, release, configuration and documentation) at an application/software component level Able to troubleshoot and refactor existing ...

Software Engineer II

O Fallon, MO · On-site +1

$91K - $124K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proactively request and incorporate code reviews to continuously improve code quality Develop a strong understanding of the broader system landscape and end-to-end architecture within owned areas ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Role • Own software delivery tasks (code development, test, deployment, release, configuration and documentation) at an application/software component level • Able to troubleshoot and refactor ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... code coverage, and system reliability Analyze and optimize system performance, scalability, and efficiency Apply secure coding practices and lead vulnerability remediation efforts (CVE remediation ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Writes code automating public cloud, private cloud, and bare metal. * Automates common tasks, deploy with an IaaS model, utilizing chef, ansible, or similar * Ability to write moderately complex ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

About the Role Software Engineers at Mastercard design and code artificial intelligence, cloud, and machine learning platforms that provide mission-critical insights to many of the world's leading ...

Senior Site Reliability Engineer

O Fallon, MO · On-site

$53.25 - $70.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Support deployments of code into multiple lower environments. Supporting current processes needed with an emphasis on automating everything as soon as possible. Design and implement a Git based code ...

Senior Site Reliability Engineer

O Fallon, MO · On-site

$53.25 - $70.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with automation for branch management, code promotions, and version management is a plus. Qualifications • BS degree in Computer Science or related technical field involving coding (e.g ...

Senior Site Reliability Engineer

O Fallon, MO · On-site

$53.25 - $70.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with automation for branch management, code promotions, and version management is a plus.   Qualifications • BS degree in Computer Science or related technical field involving coding ...

Senior Site Reliability Engineer

O Fallon, MO · On-site

$53.25 - $70.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with automation for branch management, code promotions, and version management is a plus.   Qualifications • BS degree in Computer Science or related technical field involving coding ...

Senior Site Reliability Engineer

O Fallon, MO · On-site

$53.25 - $70.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with automation for branch management, code promotions, and version management is a plus.   Qualifications • BS degree in Computer Science or related technical field involving coding ...

Senior Site Reliability Engineer - Mastercard

O Fallon, MO · On-site

$53.25 - $70.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with automation for branch management, code promotions, and version management is a plus. Qualifications • BS degree in Computer Science or related technical field involving coding (e.g ...

Senior Site Reliability Engineer - Mastercard

O Fallon, MO · On-site

$53.25 - $70.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with automation for branch management, code promotions, and version management is a plus. Qualifications • BS degree in Computer Science or related technical field involving coding (e.g ...

Manager Software Engineering

O Fallon, MO · On-site +1

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... coding, testing, automation, and operational best practices Review and contribute to technical designs, code, configurations, and automation solutions Partner with stakeholders to translate business ...

Lead Software Engineer

O Fallon, MO

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Enforce secure coding practices and integrate security into every phase of the SDLC Design systems that meet enterprise security, regulatory, and compliance requirements Partner with security teams ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Lead and participate in code reviews, promoting engineering excellence, maintainability, secure coding practices, and adherence to architectural standards while helping other engineers improve ...

Manager Software Engineering

O Fallon, MO · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... designs, code, configurations, and automation solutions • Partner with stakeholders to translate business needs into technical solutions • Drive quality through strong testing strategy ...

Showing results 41-60

Coding information

See Troy, MO salary details

$12

$29

$49

How much do coding jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for coding in Troy, MO is $29.91, according to ZipRecruiter salary data. Most workers in this role earn between $22.64 and $36.15 per hour, depending on experience, location, and employer.

What are the main challenges someone new to a coding position might face?

Newcomers to coding positions often encounter challenges such as understanding complex codebases, debugging unfamiliar issues, and keeping up with rapidly evolving technologies. It's common to feel overwhelmed at first, especially when navigating large projects or collaborating with distributed teams. Asking questions, seeking mentorship, and leveraging resources like documentation and online communities can ease the transition. With time and experience, most coders become more comfortable handling these challenges and contribute effectively to their teams.

What is coding?

A coding job involves writing, testing, and maintaining code to build software applications, websites, or systems. Coders, also known as programmers or developers, use programming languages like Python, Java, or JavaScript to create and optimize digital solutions. They work in various industries, including technology, healthcare, finance, and entertainment. Coding jobs may also involve debugging, collaborating with teams, and continuously learning new technologies to improve software performance.

Is coding a good career?

Coding is a viable career that offers opportunities in software development, web development, data analysis, and more. It typically requires learning programming languages, problem-solving skills, and staying updated with technological advancements, making it a stable and in-demand profession across various industries.

Are coding jobs still in demand?

Coding jobs remain in high demand across various industries as software development, data analysis, and cybersecurity skills are essential for digital transformation. Proficiency in programming languages like Python, Java, or JavaScript, along with experience in cloud platforms and agile environments, can improve job prospects. The field continues to grow due to ongoing technological advancements and increased reliance on digital solutions.

What are the key skills and qualifications needed to thrive in coding?

To excel in a coding role, you need a solid understanding of programming languages (such as Python, Java, or JavaScript), problem-solving abilities, and typically a degree in computer science or related field. Familiarity with code editors, version control systems like Git, and sometimes certifications such as CompTIA or specific software credentials are highly valued. Strong analytical thinking, attention to detail, and effective teamwork and communication skills help coders stand out. These competencies ensure that coding professionals can develop reliable software solutions, collaborate efficiently with other team members, and adapt to evolving project requirements.

What are popular job titles related to Coding jobs in Troy, MO?

For Coding jobs in Troy, MO, the most frequently searched job titles are:

What cities near Troy, MO are hiring for Coding jobs?

Cities near Troy, MO with the most Coding job openings:

Infographic showing various Coding job openings in Troy, MO as of August 2026, with employment types broken down into 1% Internship, 1% As Needed, 78% Full Time, 15% Part Time, and 5% Contract. Highlights an 77% Physical, 4% Hybrid, and 19% Remote job distribution, with an average salary of $62,222 per year, or $29.9 per hour.

Senior Software Engineer

Mastercard, Inc.

O Fallon, MO • On-site

$114K - $151K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 9 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 a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, 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
Who is Mastercard?
Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.
Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
Overview
The Decision Management Program (DMP) delivers industry-leading intelligence that enables faster, smarter decisioning at global scale across the payment journey and beyond. Through a suite of products, DMP structures and applies complex business logic to help teams manage risk, adapt quickly to changing regulatory, geopolitical, or market conditions, and drive profitable customer engagements. Built for resiliency, availability, and future growth, DMP empowers Mastercard's market-facing programs with agile, intelligent decision management capabilities worldwide.
A Senior Software Engineer is an experienced individual contributor who designs, develops, tests, and maintains complex software solutions while serving as a technical leader and mentor within their team. This role applies deep technical expertise to solve non-trivial problems, influence design decisions, and improve engineering practices, while collaborating closely with product, operations, and other stakeholders.
Senior Software Engineers operate with high autonomy, contribute across the full software development lifecycle, and are expected to raise the technical bar for the team through code quality, system design, and knowledge sharing.
Role
• Own software delivery tasks (code development, test, deployment, release, configuration and documentation) at an application/software component level
• Able to troubleshoot and refactor existing code for exceptional code quality.
• Adopt new languages and architecture patterns needed for the work.
• Participate and contribute to team's agile process and decisions. Understand and contribute to Prioritization.
• Pull from backlog and deliver work after seeking guidance from experienced team members and in partnership with full scrum team.
• Automate build, operate, and run aspects of software
• Drive code/design/process trade-off discussions within their team when required
• Drive integration of services focusing on customer journey and experience
• Perform demos/acceptance discussions in interacting with Product owners
• Understands operational and engineering experience, actively works to improve experience and metrics in ownership area
• Develop complete understanding of end-to-end technical architecture and dependency systems.
• Drive adoption of technology standards and opinionated frameworks, and review coding, test, and automation work of team members
• Mentor and guide new and less-experienced team members
• Identify opportunities to improve an overall process and trim waste
• Share and seek knowledge within their Guild/Program to drive reuse of patterns/libraries/practices and enhance productivity
All about you
• Working experience across multiple programming languages (JAVA is a must) and frameworks
• High-energy, detail-oriented, proactive, and able to function independently under pressure
• Passion for continuous learning and challenging opportunities
• Strong communication skills-verbal and written-with strong relationship building, collaboration, and organizational skills
• Drives outcomes through strong commitment to timely delivery of key objectives
• Strong decision making skills and a continual improvement mindset
• Solid experience with software development processes and one or more Application Lifecycle Management tools
• Success producing high quality project design deliverables and documentation
• Demonstrated track record with AI
• Familiarity with performance tuning and automation
• Bachelor's degree in Computer Science (or extensive equivalent experience)
Mastercard 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