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Senior Full Stack Java Developer Jobs in St Louis, MO

Booz Allen Hamilton

AWS Full Stack Engineer

Arnold, MO · On-site

$99K - $225K/yr

As a senior full stack developer at Booz Allen, you'll use your passion to master new tools and ... languages such as Java, Python, GO, SQL, or C++, and front-end languages such as JavaScript ...

Mastercard, Inc.

Title and Summary Senior Software Engineer - Java Full Stack Engineer All About Us MasterCard is a technology company in the global payments business. We connect consumers, financial institutions ...

Delan Associates, Inc

Lead Software Engineer

O Fallon, MO · On-site

$120 - $170/hr

A senior-level engineer who combines strong full-stack Java development skills with hands‑on experience building Agentic AI frameworks (MCP + LLMs), while also possessing the analytical and design ...

Jobsbridge

UI Developer

Saint Louis, MO

$48.50 - $63.25/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 8-9 Years of experience in UI development 2 Years of minimum experience ...

TriOptus LLC

Senior Software Engineer - Java Developer

MO · On-site

$53.50 - $68.25/hr

Senior Software Engineer (Java Developer) Location: O'fallon, Missouri Duration: 24 months Experiece: 7+ years Skills summary: • Advanced in with Linux and Java development (JDK 1.7 or greater ...

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Senior Full Stack Java Developer information

See St Louis, MO salary details

$10

$56

$75

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

As of Aug 7, 2026, the average hourly pay for senior full stack java developer in St. Louis, MO is $56.47, according to ZipRecruiter salary data. Most workers in this role earn between $49.09 and $63.32 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.

How much do senior full stack Java developers make?

Senior full stack Java developers typically earn between $100,000 and $150,000 annually, depending on experience, location, and industry. They often possess skills in frameworks like Spring and front-end technologies such as Angular or React, which can influence salary levels.

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.

Is a senior full stack Java developer still in demand?

Senior full stack Java developers remain in high demand due to their expertise in both front-end and back-end development, with skills in frameworks like Spring and Angular. Organizations seek these professionals for building scalable applications, especially in environments emphasizing cloud computing and microservices architecture.
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What cities near St. Louis, MO are hiring for Senior Full Stack Java Developer jobs? Cities near St. Louis, MO with the most Senior Full Stack Java Developer job openings:
Senior Full Stack Java Developer jobs near you
Infographic showing various Senior Full Stack Java Developer job openings in St. Louis, MO as of August 2026, with employment types broken down into 89% Full Time, 4% Part Time, 6% Contract, and 1% Nights. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution, with an average salary of $117,449 per year, or $56.5 per hour.

Fullstack Engineer (Java + Angular) - Only W2

Saransh Inc

O Fallon, MO • On-site

$49 - $63.50/hr

Contractor

Posted 25 days ago

Job description

Role: Fullstack Engineer (Java + Angular)
Location: O'Fallon, MO (Hybrid - 2 days a week onsite)
Job Type: W2 Contract
 
NOTE: Only W2 required - No C2C (or) Third-party candidates
 
Experience level: Mid-level / Senior
 
 
Mid Level:
 
Description:
  • You will contribute to building scalable backend services using Java/Spring and modern user interfaces using Angular and Node.js within a distributed architecture. Working closely with cross-functional teams, you will help deliver production-grade solutions and continuously improve your skills across cloud platforms, DevOps practices, and observability.
  • You will also leverage AI-assisted development tools to enhance productivity and support different phases of the SDLC.
In this role, you will:
  • Design, develop, and own Java-based backend services and REST APIs in a distributed architecture
  • Build and enhance UI applications using Angular and Node.js
  • Own end-to-end delivery: design, development, testing, deployment, configuration, and documentation
  • Ensure high-quality code through reviews, testing (unit/integration), and automation
Core Requirements:
  • Strong hands-on experience in Java, Spring Boot, and REST APIs
  • Hands-on experience with Angular (2+) and Node.js
  • Experience building and maintaining scalable, production-grade applications
 
Core Engineering Skills:
  • Strong problem-solving and debugging skills in distributed systems
  • Solid understanding of software design principles and best practices
  • Experience in test-driven development (unit, integration testing) 
 
Work experience of 3-5 years
  • Experience with cloud platforms (PCF, Kubernetes, AWS, or Azure)
  • Exposure to CI/CD pipelines and DevOps practices
  • Experience with observability tools (e.g., Splunk, logging, monitoring)
  • Exposure to AI tools for assisted development during SDLC phases
 
Senior Level:
As a senior engineer, you will – 
·      Design, develop, and maintain robust and scalable backend services using Java, Spring Boot, and microservices architecture.
·      Deploy and manage applications on PCF or Kubernetes
·      Develop engaging and responsive user interfaces using modern front-end frameworks such as Angular or React.
·      Participate in PoCs (Proof of Concept) and help the department with selection of vendor solutions, technologies, methodologies and frameworks. 
·      Write clean, well-documented, and testable code.
·      Collaborate with product managers, designers, and other engineers to deliver high-quality products.
·      Participate in code reviews and contribute to improving our development processes.
·      Troubleshoot and resolve complex technical issues.
·      Ensure adequate test coverage in Unit Testing, System Testing/Integration Testing and Performance Testing. 
·      Mentor junior engineers and share your expertise. 
·      Work in an agile environment, participating in sprint planning, daily stand-ups, and retrospectives
 
All About You:
·      Overall 9 years of career experience into Full Stack Development
·      Strong proficiency in Java and Spring boot framework
·      Experience designing and developing microservices
·      Experience with PCF, K8s, Docker, or other cloud platforms
·      Solid understanding of front-end development principles and experience with Angular/React frameworks
·      Proficiency in HTML, CSS, JavaScript, and JQuery
·      Experience with relational databases such as Oracle or PostGreSQL. Well versed with writing efficient and optimised queries
·      Experience with Restful API design and development
·      Experience leveraging or developing solutions using Information Security-related concepts: Cryptography – X.509, public key cryptography standards, JWT, hashing, digital signatures
·      Experience with testing frameworks and methodologies
 
Good to have:
·      Experience with other cloud platforms (e.g., Azure, AWS, GCP)
·      Experience with DevOps practices and tools (e.g., Jenkins, Docker, Kubernetes)
·      Contributions to open source projects