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Senior Java Backend Developer Jobs in Missouri (NOW HIRING)

Jobgether

$44.25 - $56.25/hr

We are currently looking for a Senior Java/Kubernetes Developer in Netherlands ... This is an exciting opportunity for an experienced backend engineer to contribute to large-scale ...

The Giant Bullseye

Senior Java Engineer

Saint Louis, MO

$55.75 - $71/hr

Design, develop, and implement complex backend solutions using Java, Spring Boot, and related ... Collaborate with cross-functional teams including DevOps, QA, and product to deliver high-quality ...

Maintec Technologies

Senior Java Developer

Saint Louis, MO

$55.75 - $71/hr

Senior Java developer Location: St. Louis, MO (Onsite -First day) Duration: Long term contract Senior Java (must have 8+ years of experience as a Java developer) - (Client is very active on hiring.

Zortech Solutions

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

St Louis/O' Fallon, MO (Day One Onsite) Duration: 6-12+ Months Overall 8+ years of experience must Experience in object-oriented programming and concepts Experienced in Java backend application ...

Argyle Infotech

java developer

O Fallon, MO

$47.75 - $61.75/hr

Java Developer Location: O'Fallon, MO - Day 1 Onsite - No Remote Duration: Long Term Passport copy ... Java backend application development. • Comfortable enough in handling algorithms, data ...

Innova Solutions

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

As a Backend Engineer, you will be responsible for developing and maintaining robust Java ... Karthik Saraswathi Senior Manager PAY RANGE AND BENEFITS: Pay Range*: $ 81,000 - $ 95,000 Per Year

Damco

Sr. Java Developer

O Fallon, MO

$53.50 - $68.25/hr

Sr. Java Developer Key Skills and Experience: * Strong hands on experience in Java(J2ee) * Strong in webservices(microservices), Rest API's, Oracle DB knowledge, Cloud native(preferably AWS or Azure)

Damco Solutions

Sr. Java Developer

O Fallon, MO

$53.50 - $68.25/hr

Sr. Java Developer: Key Skills and Experience: * Strong hands on experience in Java(J2ee) * Strong in webservices(microservices) , Rest API's, Oracle DB knowledge, Cloud native(preferably AWS or ...

New

Argyle Infotech

Senior Java Developer

Saint Louis, MO

$55.75 - $71/hr

Senior Java Developer St Louis, MO (Onsite from day 1) Interview Process: 3 rounds will be Zoom Video Strong Java developer with very good understanding of micro services. Grasp of software ...

Maintec Technologies

Senior Java Developer

O Fallon, MO

$53.50 - $68.25/hr

Role: - Senior Java Developer Location: - O'Fallon, MO Duration: - Long term Required Skills - Agile, API, Cloud, Cucumber, J2EE, Java, Junit, Microservices, Selenium, Spring Boot, SQL What are your ...

New

Keylent Inc

Senior Software Developer - Java

O Fallon, MO

$53.50 - $68.25/hr

Senior Software Developer - Java Location: OFALLON Skill: Spring Framework Note: Day 1 onsite role ... Needs to be completely hands-on Worked extensively on server-side, backend applications and ...

ShiftCode Analytics

Senior Java Developer

Saint Louis, MO

$55.75 - $71/hr

Major Accountabilities • Responsible for programming, testing, implementation, documentation ... backend, and micro-service APIs with Java and SpringBoot • Experience with version control ...

ShiftCode Analytics

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Senior Java Developer: Working on encryption and decryption software for the switching network ... Minimum 5 years of experience working in backend, and micro-service APIs with Java and SpringBoot

New

Auritas

Java Lead Backend Developer

Saint Louis, MO · On-site

$49 - $63.75/hr

* Strong Java developer with very good understanding of micro services * Develop and consume APIs using HTTP/Rest. * Skills on at least one major JS library /frame work. * Exposure to relational/non ...

Damco Solutions

Java Developer

O Fallon, MO

$47.75 - $61.75/hr

Sr. Java Developer: 15 Key Skills and Experience: * Strong hands on experience in Java(J2ee) * Strong in webservices(microservices), Rest API's, Oracle DB knowledge, Cloud native(preferably AWS or ...

New

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$60K

$131.2K

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How much do senior java backend developer jobs pay per year?

As of Jun 4, 2026, the average yearly pay for senior java backend developer in Missouri is $131,169.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,000.00 and $146,800.00 per year, depending on experience, location, and employer.

What is a Senior Java Backend Developer job?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

What are the key skills and qualifications needed to thrive in the Senior Java Backend Developer position, and why are they important?

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

What are the typical daily responsibilities of a Senior Java Backend Developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.
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Senior Java Backend Developer jobs near you

Backend Developer SME

Freedom Technology Solutions Group

Saint Louis, MO • On-site

Other

Posted 28 days ago

Job description

Freedom Technology Solutions Group is seeking a Software Engineer (Backend Developer) to support our client's intelligence analysis products and capabilities. This position involves providing software development capabilities to enhance existing and emerging client capabilities, including design and development, modernization of existing applications and services, and operations and sustainment. The role focuses on driving the client's adaptation of higher levels of automation and operational efficiency through agile development methodologies, rapid prototyping, and modern technology stacks.

The SME Backend Developer provides technical and management leadership for major backend and geospatial technology initiatives. Serves as a domain expert, directs client-facing activities, and has overall responsibility for strategy, execution, and outcomes.

Responsibilities

  • Define enterprise-level backend architecture strategies and modernization roadmaps.
  • Provide technical leadership on geospatial platform development and integration.
  • Oversee development, operations, and sustainment of backend systems across cloud, hybrid, and data center environments.
  • Participate in and enforce DevSecOps standards, CI/CD practices, and engineering governance
  • Interface with senior client leadership, negotiate requirements, and drive technical consensus.
  • Ensure alignment of technology execution with client mission objectives.
  • Serve as a thought leader in backend, cloud, and geospatial communities.

Key Technologies

  • Backend development (Python, Node.js, Java, or similar)
  • AWS services (S3, Lambda, SQS, SNS, ECS, ECR, IAM)
  • Event-driven and serverless architectures
  • API development and integration patterns
  • Containerization (Docker/Podman) and container registries
  • Data pipelines and metrics generation for dashboards and operational visibility
  • CI/CD pipelines (GitLab CI/CD or similar)
  • Large-scale data transfer, processing, and orchestration
  • Logging, monitoring, and distributed system debugging
  • Secure development practices (IAM, ABAC, FGAC, least privilege access)
  • Ability to work in Agile environments and collaborate across technical and mission teams

Required Qualifications

  • Active TS/SCI security clearance (eligible for CI Poly).
  • 14+ years of backend software development experience with demonstrated technical leadership
  • Expertise in modern cloud-native development using languages such as Python, Java, and JavaScript
  • Extensive experience with DevSecOps frameworks, CI/CD pipelines, and Agile/SAFe methodologies
  • Proven experience designing and delivering scalable, distributed backend systems
  • Experience leading large-scale technical efforts, including architecture, staffing, and execution
  • Strong client engagement skills with the ability to influence senior stakeholders
  • Experience using GitLab for source control and CI/CD pipelines
  • Experience developing custom code, scripts, and services for complex data processing and integration

Desired Qualifications

  • Experience working directly with clients to define requirements and develop user stories
  • Experience with geospatial systems, imagery products (e.g., SAR/RADAR), or GEOINT workflows
  • Experience developing or integrating GIS platforms and geospatial data formats
  • Familiarity with geospatial tools and platforms (PostGIS, Oracle Spatial ArcGIS SocketGXP etc.)
  • Experience implementing standards-based APIs (e.g., OGC standards (WFS, STAC, WMS)
  • Experience with data analytics, visualization pipelines, or metrics-driven platforms
  • Experience developing automated processing or detection algorithms
  • Experience with workflow orchestration tools (e.g., Argo Workflows)

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