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Senior Software Engineer Java Full Stack Jobs in Saint Louis, MO

bioMerieux

Sr. Software Engineer

Hazelwood, MO

$115K - $152K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and ... * 7+ years of full stack development experience, including Java and modern web development ...

bioMérieux

Sr. Software Engineer

Hazelwood, MO · On-site

$115K - $152K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and ... * 7+ years of full stack development experience, including Java and modern web development ...

BioFire Diagnostics

Sr. Software Engineer

Hazelwood, MO

$113K - $149K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and ... * 7+ years of full stack development experience, including Java and modern web development ...

Biomerieux

Sr. Software Engineer

Hazelwood, MO · On-site

$113K - $149K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and ... * 7+ years of full stack development experience, including Java and modern web development ...

BioFire Diagnostics

Sr. Software Engineer

Hazelwood, MO · On-site

$115K - $152K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and ... * 7+ years of full stack development experience, including Java and modern web development ...

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 ... Be Responsible for prototyping, developing, and troubleshooting software in the user interface or ...

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Senior Software Engineer Java Full Stack information

See Saint Louis, MO salary details

$43.3K

$131K

$185.2K

How much do senior software engineer java full stack jobs pay per year?

As of Jun 18, 2026, the average yearly pay for senior software engineer java full stack in Saint Louis, MO is $131,028.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,900.00 and $153,600.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Software Engineer Java Full Stack, and why are they important?

To thrive as a Senior Software Engineer Java Full Stack, you need deep expertise in Java, front-end frameworks like Angular or React, RESTful APIs, and a bachelor's degree in computer science or a related field. Familiarity with tools such as Spring Boot, Docker, Git, CI/CD pipelines, and cloud platforms, along with relevant certifications, is highly advantageous. Leadership, effective communication, and problem-solving skills help you mentor junior developers and collaborate across teams. These skills are vital for delivering robust, scalable solutions and driving project success in dynamic development environments.

What are Senior Software Engineer Java Full Stack roles?

Senior Software Engineer Java Full Stack professionals are experienced developers who work on both the front-end and back-end aspects of software applications using Java and related technologies. They are responsible for designing, developing, and maintaining complex software systems, ensuring all components work seamlessly together. These engineers often lead development teams, mentor junior developers, and make key architectural decisions to drive project success. Their expertise covers a wide range of technologies, including Java frameworks, databases, web services, and modern front-end tools.

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

AspectSenior Software Engineer Java Full StackSoftware Developer Java
Required CredentialsBachelor's or Master's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications optional
Work EnvironmentDesigning, developing, and maintaining full-stack applications, often in Agile teamsDeveloping Java-based applications, primarily backend or frontend, in various environments
Industry UsageCommon in tech companies, startups, and enterprise ITWidely used across industries for Java application development

While both roles involve Java development, Senior Software Engineer Java Full Stack typically encompasses a broader scope, including both frontend and backend responsibilities, along with leadership and design tasks. Software Developer Java may focus more narrowly on specific application components. The senior role often requires more experience and a deeper understanding of full-stack development.

What opportunities for technical leadership and mentorship are available to Senior Software Engineer Java Full Stack professionals?

As a Senior Software Engineer Java Full Stack, you often have opportunities to take on technical leadership roles such as leading project teams, architecting solutions, and setting coding standards. You may also mentor junior developers, conduct code reviews, and facilitate knowledge sharing within the team. These responsibilities not only help develop your leadership skills but also position you for advancement into roles like Technical Lead or Engineering Manager. Many organizations encourage senior engineers to participate in decision-making processes and cross-functional collaboration, further broadening your impact and career growth.
What are popular job titles related to Senior Software Engineer Java Full Stack jobs in Saint Louis, MO? For Senior Software Engineer Java Full Stack jobs in Saint Louis, MO, the most frequently searched job titles are:
What job categories do people searching Senior Software Engineer Java Full Stack jobs in Saint Louis, MO look for? The top searched job categories for Senior Software Engineer Java Full Stack jobs in Saint Louis, MO are:
Senior Software Engineer Java Full Stack jobs near you
Infographic showing various Senior Software Engineer Java Full Stack job openings in Saint Louis, MO as of June 2026, with employment types broken down into 1% As Needed, 93% Full Time, 1% Part Time, 1% Temporary, and 4% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $131,028 per year, or $63 per hour.
Entry Level - ML Engineer

Entry Level - ML Engineer

SynergisticIT

Maryland Heights, MO

Other

Posted 21 days ago

Job description

Synergisticit Job Opportunities

Since 2010 Synergisticit has helped jobseekers get employed in the tech job market by providing candidates the requisite skills, experience, and technical competence to outperform at interviews and at clients. Here at SynergisticIT we just don't focus on getting you a tech job we make careers.

In this job market also, our candidates are able to achieve multiple job offers and $100k+ salaries. Please check the below links to see the success outcomes and salaries of our candidates.

We regularly interact with the top tech companies to give our candidates a competitive advantage visit the below videos exhibiting at Oracle Cloud World/Oracle Java one (Las Vegas) -2023/2022 and at Gartner Data Analytics Summit (Florida)-2023.

All positions are open for all visas and US citizens. We at Synergisticit understand the problem of the mismatch between employer's requirements and employee skills and that's why since 2010 we have helped 1000's of candidates get jobs at technology clients like Apple, Google, Paypal, Western Union, Client, Visa, Walmart Lab etc to name a few.

Currently, we are looking for entry-level software programmers, Java full-stack developers, Python/Java developers, data analysts/data scientists, and machine learning engineers for full-time positions with clients. Who should apply? Recent computer science/engineering/mathematics/statistics or science graduates or people looking to switch careers or who have had gaps in employment and looking to make their careers in the tech industry.

We assist in filing for STEM extension and also for H1b and green card filing to candidates. We want data science/machine learning/data analyst and Java full stack candidates.

For data science/machine learning positions required skills include a bachelors degree or masters degree in computer science, computer engineering, electrical engineering, information systems, IT project work on the technologies needed, highly motivated, self-learner, and technically inquisitive experience in programming language Java and understanding of the software development life cycle knowledge of statistics, gen AI, LLM, Python, computer vision, data visualization tools excellent written and verbal communication skills. Preferred skills: NLP, text mining, Tableau, PowerBI, Databricks, Tensorflow.

For Java/full stack/software positions required skills include a bachelors degree or masters degree in computer science, computer engineering, electrical engineering, information systems, IT highly motivated, self-learner, and technically inquisitive experience in programming language Java and understanding of the software development life cycle project work on the skills knowledge of core Java, Javascript, C++, or software programming Spring boot, microservices, Docker, Jenkins, Github, Kubernates, and REST API's experience excellent written and verbal communication skills.

If you get emails from our job placement team and are not interested please email them or ask them to take you off their distribution list and make you unavailable as they share the same database with the client servicing team and only connect with candidates who are matching client requirements. No phone calls, please. Shortlisted candidates would be reached out. No third-party or agency candidates or c2c candidates.

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