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Senior Full Stack Java Developer Jobs in Saint Charles, MO

Equifax, Inc.

Senior Full Stack Engineer

Saint Louis, MO · On-site

We are seeking a visionary full stack engineer to join our technology transformation initiative. In ... Develop scalable APIs and microservices using Java Spring Boot, Python, Node. js and other modern ...

Palnar

Sr. Java Full Stack Developer

O Fallon, MO · On-site

$49 - $63.25/hr

What are your top 3 required technical skills We are looking for a developer who is strong in backend development and has basic skills to perform UI development Backend Skills Java 17 Spring Boot 3.x ...

CYNET SYSTEMS

Java Full Stack Developer

Saint Louis, MO · On-site

$50/hr

Java/JEE, Spring, Spring boot, REST/SOAP web services, Hibernate, SQL, Tomcat, Application servers (WebSphere), SONAR, Agile, AJAX, Jenkins. * Skills in UML, application designing/architecture ...

CACI

Full Stack Developer

Saint Louis, MO · On-site

$90K - $189K/yr

CACI is seeking a highly skilled Senior Full Stack Developer to join our development team. In this role, you will be responsible for designing, developing, and maintaining sophisticated web ...

New

SESHENG LLC

Java Developer

O Fallon, MO · On-site

$47.75 - $61.75/hr

Broad Technology Stack Experience: Familiar with a range of modern tools and technologies ... This person would fit well into a senior or lead developer role, where they can leverage their deep ...

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Senior Full Stack Java Developer information

See Saint Charles, MO salary details

$10

$54

$73

How much do senior full stack java developer jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for senior full stack java developer in Saint Charles, MO is $54.69, according to ZipRecruiter salary data. Most workers in this role earn between $47.55 and $61.35 per hour, depending on experience, location, and employer.

What is a senior full stack Java developer?

Senior Full Stack Java Developers are experienced software professionals who design, develop, and maintain both the front-end and back-end components of web applications using Java and related technologies. They typically work with frameworks such as Spring Boot for the backend and may use JavaScript frameworks like Angular or React for the frontend. In addition to coding, they often lead development teams, make architectural decisions, and ensure best practices are followed throughout the software development lifecycle.

What are the key skills and qualifications needed to thrive as a senior full stack Java developer?

A Senior Full Stack Java Developer needs advanced proficiency in Java, front-end frameworks (such as Angular or React), and a solid understanding of databases, supported by a bachelor’s degree in computer science or related field. Experience with tools like Spring Boot, RESTful APIs, version control systems (e.g., Git), and cloud platforms is typically required, along with relevant certifications. Strong problem-solving, communication, and teamwork skills help developers effectively collaborate and deliver robust solutions. These competencies are crucial for building scalable applications, leading projects, and ensuring efficient development processes.

What are some common challenges senior full stack Java developers face when balancing backend and frontend responsibilities?

Senior Full Stack Java Developers often encounter the challenge of staying up-to-date with both backend Java frameworks and rapidly evolving frontend technologies. Balancing deep expertise in server-side development with proficiency in modern JavaScript frameworks (like React or Angular) can be demanding. Additionally, these professionals often need to effectively prioritize tasks between client and server development while collaborating with specialized frontend or backend team members. Time management, clear communication, and a willingness to learn new tools are essential for success in this multifaceted role.

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Senior Full Stack Java Developer jobs near you
Infographic showing various Senior Full Stack Java Developer job openings in Saint Charles, MO as of August 2026, with employment types broken down into 85% Full Time, 9% Part Time, 5% Contract, and 1% Nights. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $113,751 per year, or $54.7 per hour.

Senior Full Stack Engineer

Equifax, Inc.

Saint Louis, MO • On-site

Full-time

Medical, Retirement, PTO

Posted 26 days ago

Equifax rating

7.8

Company rating: 7.8 out of 10

Based on 27 frontline employees who took The Breakroom Quiz

Job description

Equifax is where you can power your possible. If you want to achieve your true potential, chart new paths, develop new skills, collaborate with bright minds, and make a meaningful impact, we want to hear from you.
Equifax is where you can "power your possible." You'll drive modernization within Workforce Solutions as we continue our journey building best-in-class solutions to serve our customer's HR management and employment needs.
We are seeking a visionary full stack engineer to join our technology transformation initiative. In this role, you will work in a talented team designing and deploying cutting-edge, cloud-native solutions. You will be at the forefront of modern development, employing vibe coding concepts with AI-powered coding assistants like GitHub Copilot, Gemini, and accelerate innovation and build highly scalable, reliable, and performant APIs, microservices, and PaaS/SaaS platforms, including the ability to design, develop, and deploy AI agents in the google cloud platform. This role requires a deep understanding of both front-end and back-end technologies, combined with in depth knowledge and experience of cloud infrastructure, containerization, microservices architecture and the agentic AI framework. You're not just a coder; you're an architect, a lead, a mentor, and a key driver of the team's technical vision. If you are passionate about solving complex problems and working in a high-performing team, we want to hear from you.
What you'll do
  • Design and deliver, robust cloud-native solutions for complex business problems using standard SDLC methodologies.
  • Develop scalable APIs and microservices using Java Spring Boot, Python, Node. js and other modern frameworks on public cloud infrastructure (GCP and AWS).
  • Champion modern software development practices by actively using AI code-assist tools (e.g., Gemini code assists, Github Copilot, Claude code) to accelerate development cycles, generate documentation, improve code quality, testing, and monitoring & observability practices
  • Build, manage, and work with a cross-functional team of software, quality, and reliability engineers, fostering a culture of technical excellence and continuous improvement.
  • Define and report on key engineering metrics (SLA, SLO, SLI) and ensure compliance with security, quality, and financial operations (DevSecOps, FinOps) best practices.
  • Collaborate with product managers, architects, SREs and business partners to define technical strategy, create software roadmaps, and make key architectural and design decisions.
  • Lead troubleshooting efforts to resolve production and customer issues, demonstrating deep technical expertise and problem-solving skills.
  • Participate and lead agile team activities, including Sprint Planning and Retrospectives, to ensure efficient and predictable delivery
  • Lead with a data/metrics driven mindset with a extreme focus towards optimizing and creating efficient solutions
  • Drive up-to-date technical documentation including support, end user documentation and run books
  • Create and deliver technical presentations to internal and external technical and non-technical stakeholders communicating with clarity and precision

What experience you need
  • Bachelor's degree or equivalent experience
  • 5-7 years of professional experience in software development, with a strong portfolio of building and shipping full-stack applications.
  • Front-End Expertise: Proficiency in modern JavaScript frameworks such as React, Angular, or Vue.js, along with a strong command of HTML5, CSS3, and TypeScript.
  • Back-End Expertise: Deep knowledge and experience of back-end programming languages like Node.js, Python, Go, or Java, and experience building RESTful APIs and microservices
  • Cloud Platforms: Extensive hands-on experience with at least one major cloud provider (Google Cloud, AWS or Azure).
  • Containerization: Experience using Docker for containerizing applications and Kubernetes for orchestration.•
  • Infrastructure as Code (IaC): Proficiency with tools like Terraform or CloudFormation to manage
  • infrastructure programmatically.
  • CI/CD Tools: Experience with CI/CD tools such as GitHub Actions, Jenkins, GitLab CI.
  • Database Knowledge: Strong experience with both SQL (e.g., Spanner DB, Alloy DB, PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, DynamoDB and Firestore) databases.

What could set you apart
  • Strong expertise in Generative AI (GenAI), including hands-on experience with models like Gemini, ChatGPT, Claude, or Llama.
  • You are adept at leveraging modern development tools, including AI-powered code assistants (like GitHub Copilot), to accelerate the development lifecycle and rapidly ship high-quality features
  • Experience creating and deploying AI agents to production environments.
  • Proficiency with Atlassian tooling (JIRA, Confluence), source control (GitHub), and build tools (Maven, Gradle).
  • Excellent communication skills with the ability to articulate complex technical concepts to diverse audiences.
  • UI development (e.g. HTML, JavaScript, Typescript, React, Angular and Bootstrap)
  • Experience with backend technologies such as Jave SpringBoot, and Microservices architecture and design
  • Relational databases (e.g. Spanner DB, Alloy DB, Firestore, Postgres DB, SQL Server, MySQL)
  • Experience in automated testing with tools like JUnit, Mockito, Celenium, Jasmine, Playwright etc
  • Self-starter that identifies/responds to priority shifts with minimal supervision.
  • Demonstrated problem solving skills and the ability to resolve conflicts
  • Working in a highly regulated environment

#LI-ES1
#LI-Hybrid
We offer comprehensive compensation and healthcare packages, 401k matching, paid time off, and organizational growth potential through our online learning platform with guided career tracks.
Are you ready to power your possible? Apply today, and get started on a path toward an exciting new career at Equifax, where you can make a difference!
Primary Location:
USA-St. Louis-Lackland
USA-Atlanta JV White
Function:
Function - Tech Dev and Client Services
Schedule:
Full time

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About Equifax

Sourced by ZipRecruiter

As a global data, analytics, and technology company, we play an essential role in the economy by helping companies in diverse industries such as automotive, communications, utilities, financial services, fintech, healthcare, insurance, mortgage, professional services, retail, e-commerce, and government agencies, make critical decisions with greater confidence.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Atlanta, GA, US

Year founded

1899

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