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Mid Level Java Developer Jobs in Mississippi (NOW HIRING)

Kiewit Corporation

Field Engineer - Electrical

Jackson, MS

$54K - $72K/yr

Mid Level Home District/Group: Industrial Market Department: Field Operations Market: Industrial Employment Type: Full Time Position Overview The Field Engineer provides technical and construction ...

Kiewit Corporation

Field Engineer - Electrical

Greenville, MS · On-site

$57K - $75K/yr

Mid Level Home District/Group: Industrial Market Department: Field Operations Market: Industrial Employment Type: Full Time Position Overview The Field Engineer provides technical and construction ...

Trilon

Hydrology & Hydraulics Design Engineer

Jackson, MS · Hybrid

$71K - $92K/yr

It is well suited for a mid-level professional looking to deepen their expertise in H&H modeling ... Mentor junior engineers and designers, providing guidance on technical work and best practices

ATTAINX INC

Senior Software Developer - 100% Remote

MS · On-site

$55 - $65/hr

Must be a US Citizen eligible to OBTAIN a Public Trust level clearance AttainX, Inc. is in search ... Knowledge of backend technologies (e.g., Java, .NET, Python). * Certifications in cloud ...

New

ATTAINX INC

Senior Software Developer - 100% Remote

MS · On-site

$55 - $65/hr

Must be a US Citizen eligible to OBTAIN a Public Trust level clearance AttainX, Inc. is in search ... Knowledge of backend technologies (e.g., Java, .NET, Python). * Certifications in cloud ...

New

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How much do mid level java developer jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for mid level java developer in Mississippi is $54.50, according to ZipRecruiter salary data. Most workers in this role earn between $47.60 and $62.16 per hour, depending on experience, location, and employer.

What is a mid level Java developer?

A Mid Level Java Developer is responsible for designing, developing, and maintaining Java-based applications. They typically have 2-5 years of experience and work on coding, debugging, and optimizing software solutions. They collaborate with teams, follow best coding practices, and may mentor junior developers. Their role involves understanding project requirements, integrating APIs, and ensuring application performance. Mid Level Java Developers contribute to both backend and frontend development, depending on the project needs.

What are the key skills and qualifications needed to thrive as a mid level Java developer?

Successful Mid Level Java Developers possess a solid understanding of Java programming, object-oriented design, and commonly used frameworks such as Spring or Hibernate, typically backed by a relevant degree and professional experience. Familiarity with tools like Git, Maven, popular IDEs (e.g., IntelliJ IDEA or Eclipse), and certifications like Oracle Certified Professional Java Programmer (OCPJP) are advantageous. Strong collaboration, problem-solving abilities, and effective communication skills help developers work efficiently within agile teams and cross-functional projects. Mastering both technical and soft skills ensures smooth project delivery, maintainable code quality, and productive teamwork in dynamic software development environments.

What does a typical workday look like for a mid level Java developer?

As a Mid Level Java Developer, your typical workday often involves writing and testing Java code, troubleshooting existing applications, and participating in code reviews. You'll collaborate closely with other developers, QA engineers, and sometimes product managers in agile sprints to ensure features are delivered according to requirements. Daily stand-up meetings are common, as is the use of tools like Jira for tracking tasks. You may also spend time learning new frameworks or best practices, which helps with both personal growth and contributing to more efficient software solutions.

What are the most commonly searched types of Java Developer jobs in Mississippi?

The most popular types of Java Developer jobs in Mississippi are:

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For Mid Level Java Developer jobs in Mississippi, the most frequently searched job titles are:

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Mid Level Java Developer jobs near you
Infographic showing various Mid Level Java Developer job openings in Mississippi as of August 2026, with employment types broken down into 77% Full Time, 16% Part Time, and 7% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $113,364 per year, or $54.5 per hour.

Database and Applications Developer -Level III

Saltwater Inc

Pascagoula, MS • On-site

$40 - $55/hr

Full-time

Posted 28 days ago

Job description

At Saltwater Inc. we believe that high-quality data is vital to the health of our fisheries and oceans: our mission is to provide that data. We are a Women-Owned Small Business and are constantly seeking new team members who share our passion for innovation and environmental wellness.


We are currently recruiting for Database and Applications Developer –Level III. See below Requirements for each Level. These Survey Support positions will work as a contractor for NOAA’s Southeast Fisheries Science Center (SEFSC) Population & Ecosystems Monitoring Division (PEMD) providing support for the below Tasks.


Please note that we are recruiting proactively and do not yet have this position available. If awarded the work, this will be a full-time position. The Contractor shall work at the SEFSC Laboratory in Pascagoula, MS. The Contractor may also be required to work on NOAA Ships, charter vessels, and/or small boats to carry out required duties and responsibilities. The contract has a one-year base period with a potential of three option periods.


Tasks:

  1. Database and Applications Development: Bring together scientific and administrative data currently fragmented across various legacy platforms, file formats, and isolated silos as part of a critical enterprise data management initiative. Duties include (but are not limited to) building pipelines to centralize data from plankton and groundfish surveys; designing the database architecture to house the centralized survey data; and developing front-end applications that allow internal staff and external partners to securely manage and validate the data.


  1. Enterprise Data Ingestion and Migration (ETL)
  1. Analyze disparate data sources (flat files, .db3, Access databases, legacy SQL, APIs) and design automated workflows to extract, transform, and load (ETL) data into a centralized Oracle Enterprise environment.
  2. Develop parsing algorithms to handle inconsistent data formats and ensure data integrity during the migration process.
  3. Implement data validation rules to flag anomalies during ingestion.


  1. Database Architecture and Management
  1. Design and maintain normalized relational database schemas that support complex fishery survey and oceanographic data structures.
  2. Optimize database performance through indexing, partitioning, and query tuning.
  3. Ensure strict adherence to federal data security standards and PII protection protocols.


  1. Application Development (Internal and External)
  1. Internal interface: develop a user-friendly web application allowing internal NOAA staff to input, query, and edit live data records.
  2. External partner workflow: create a secure portal for external partners to view and input data and propose edits.
  3. Approval logic: engineer a "staging and commit" workflow where external edits are held in a review queue (edits do not affect the production database until reviewed and approved by the Database Manager or appropriate data steward).


  1. Support for Other Research Activities: Support other Trawl and Plankton Branch, PEMD, and SEFSC surveys, including but not limited to:


  1. Provide support for data analyses and prepare data summaries.
  2. Assist with the development of data reports, publications, and presentations, as needed; adhere to SEFSC publication procedures prior to publication of any abstracts or manuscripts.


  1. Outreach and Education: Participate in public outreach and education efforts, as needed.


  1. Scientific Meetings: Contractor may be required to prepare for and present, facilitate, or participate in various workshops, scientific meetings, symposiums, and public forums.


Minimum Qualifications:

LEVEL III Essential:

  • MS Degree in Computer Science, Information Systems, Engineering, or a related field of study; or BS Degree in one of these disciplines, five (5) years of relevant experience.
  • Ability to translate real-world scientific processes into logical and physical data models (Entity-Relationship Diagrams).
  • Ability to write complex stored procedures, triggers, and packages (PL/SQL) to handle business logic and the "edit-approval" workflow.
  • Knowledge of implementing Role-Based Access Control (RBAC) to differentiate between different use and access requirements..
  • Skill in creating technical documentation, data dictionaries, and user manuals.
  • Software proficiency includes, but is not limited to:
    • Database Engines: Expert-level proficiency in Oracle RDBMS (12c/19c or later). Knowledge of PostgreSQL or SQL Server is a plus.
    • Development Frameworks: Proficiency in Oracle APEX (Application Express) is highly desired for rapid development of data-centric web apps. Alternatively: Java (Spring Boot), Python (Django/Flask), or .NET.
    • ETL & Scripting: Python (Pandas/NumPy), PL/SQL, Informatica, or FME.
    • Front End: HTML5, CSS3, JavaScript, and AJAX techniques for responsive user interfaces.
    • Version Control: Git/GitHub/GitLab.


LEVEL III Desirable:

  • Documented experience working with geospatial data (GIS, Oracle Spatial, ArcGIS).
  • Documented experience in database development and administration
  • Documented experience building workflows with approval gates/audit trails
  • Ability to communicate with fishery scientists to understand their data needs and translate them into technical specifications.
  • Previous experience supporting NOAA or other Federal Agencies.


Salary range is $40 - $55 per hour, dependent upon experience.


Saltwater Inc. is proud to be an equal opportunity employer and a VEVRAA Federal Contractor and does not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, parental status, veteran status, or disability status. We strive to create an inclusive workplace culture to attract the best talent and allow each member of our team to achieve their full potential and maximum productivity. Furthermore, Saltwater Inc. highly encourages qualified individuals with disabilities and protected veterans to apply for positions for which they are qualified and to notify us if there are any needs for accommodation throughout the application process and/or upon hire.

Only qualified applicants with the requisite experience need to apply.

We will honor all requests for application confidentiality.