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Sql Developer Jobs in Alton, IL (NOW HIRING)

Sonsoft Inc

Teradata consultant

Saint Louis, MO · On-site

In-depth knowledge of Performance tuning and optimization to handle and process large volume of data in Teradata Experience in SQL programming (views/store procedures/macros/functions) based on User ...

The Timberline Group

Java/Angular Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

The developer will meet with clients, analyze client requirements, propose & construct solutions ... Oracle SQL, Toad * Apache Web Server/Tomcat * Web Services, SOAP/REST * JBoss application server

The Timberline Group

Lead Software Developer

Saint Louis, MO · On-site +1

$112K - $141K/yr

The Lead IT Software Developer is a well-rounded expert on the team in Front-End frameworks (Aurelia, Angular and such) and Back-End (Microsoft SQL and C#/.NET). He / She is the go-to person for any ...

Apex Informatics

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Familiarity with web technologies (e,g,, JavaScript, HTML, CSS), data manipulation (e.g., SQL), and version control systems (e.g., GitHub) * Familiarity with DevOps practices/principles, Agile/Scrum ...

Pyramid IT

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Founded 1996 Role: Java Developer Location - St. Louis, MO Duration: Long term contract Work ... XSLT, Ajax SQL, PL/SQL UML JBPM (Workflow Engine) Ant, Maven Security - Authentication ...

DMC Engineering

SCADA Developer

Saint Louis, MO · Hybrid

Familiarity with integrating SCADA systems with databases (e.g., SQL Server, PostgreSQL) and enterprise applications * Proficiency in programming, including object-oriented concepts and text-based ...

Gemini

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Java Developer Location: St.Louis, MO - Inperson Interview Job Type: Full Time Only OPT EAD, CPT ... Experience developing applications using Core JAVA, J2EE, SQL Knowledge of design patterns and ...

Gemini

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Location: St.Louis, MO - Inperson Interview Job Type: Full Time Only OPT EAD, CPT ... SQL • Knowledge of design patterns and implementation experience • Experience of creating Web ...

JS Consulting

Senior Developer

Saint Louis, MO · On-site

$53 - $70/hr

Experience with using SQL Server as a backend preferred. * Experience with Entity Framework. * Experience with a Continuous integration toolset (Azure DevOps, Teamcity, or similar). * Experience with ...

Sovereign Technologies

C# Developer

Saint Louis, MO

$47.75 - $64.25/hr

Company Description The individual in the role of Senior Programmer Analyst is responsible for ... Proficiency with SQL stored procedures, table design, and general knowledge. Ability to modify and ...

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How much do sql developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for sql developer in Alton, IL is $50.58, according to ZipRecruiter salary data. Most workers in this role earn between $41.83 and $57.31 per hour, depending on experience, location, and employer.

What is a SQL developer?

SQL Developers are professionals who specialize in designing, developing, and maintaining databases using Structured Query Language (SQL). They write queries to retrieve and manipulate data, optimize database performance, and ensure data integrity and security. SQL Developers often work closely with other IT professionals to support applications that rely on databases, and they may also be responsible for database migration, backup, and recovery tasks.

What are the key skills and qualifications needed to thrive as a SQL developer, and why are they important?

To thrive as a SQL Developer, you need a solid understanding of database design, advanced SQL querying, and data modeling, often backed by a degree in computer science or a related field. Familiarity with database management systems like Microsoft SQL Server, Oracle, or MySQL, and certifications such as Microsoft Certified: Azure Data Engineer Associate are commonly required. Strong analytical thinking, problem-solving abilities, and effective communication skills help you interpret business requirements and collaborate with stakeholders. These skills ensure accurate, efficient data management and enable the delivery of reliable solutions that support organizational decision-making.

How do you become an SQL developer?

Becoming a SQL developer requires a combination of education and experience that centers on testing, coding, and database management. You can achieve this by earning a bachelor’s degree in computer science, information technology, management information systems, or a related field. Prepare yourself to work in the field by completing one or more internships. Upon completion of these requirements, enter the workforce to begin your professional career as a SQL developer.

What are some common challenges SQL developers face when working with large databases?

SQL Developers often encounter challenges related to query optimization and performance when handling large or complex databases. Managing indexing, ensuring efficient joins, and writing scalable queries are crucial to prevent slowdowns. Additionally, maintaining data integrity and coordinating with other developers or data analysts to implement schema changes can be demanding. Staying updated with the latest database features and security practices also helps in overcoming these challenges.

What is the difference between Sql Developer vs Database Administrator?

AspectSql DeveloperDatabase Administrator
CertificationsSQL, PL/SQL certifications, sometimes Oracle or Microsoft certificationsOracle DBA, Microsoft Certified: Azure Database Administrator, other database-specific certifications
Work EnvironmentDevelops, tests, and maintains SQL queries and scripts in development or testing environmentsManages database performance, security, backups, and recovery in production environments
ResponsibilitiesWriting and optimizing SQL queries, developing database objectsDatabase configuration, security, performance tuning, and troubleshooting
Industry UsageUsed across industries for data analysis, application development, and reportingPrimarily in organizations with large databases requiring maintenance and security

While both roles work with databases, Sql Developers focus on creating and optimizing SQL code, whereas Database Administrators handle overall database management, security, and performance. Understanding these differences helps in choosing the right career path or job focus.

Is SQL Developer in demand?

SQL Developer roles are in high demand across various industries due to the ongoing need for data management and analysis. Proficiency in SQL, database design, and tools like Oracle or MySQL enhances employability, and demand is expected to grow with increased reliance on data-driven decision making.

Is SQL in demand in 2026?

SQL developers are expected to remain in demand through 2026 due to ongoing data management needs across industries. Proficiency in SQL, along with knowledge of database systems like MySQL or SQL Server, continues to be a valuable skill for data analysis, business intelligence, and backend development roles.
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What cities near Alton, IL are hiring for Sql Developer jobs?

Cities near Alton, IL with the most Sql Developer job openings:

Sql Developer jobs near you
Infographic showing various Sql Developer job openings in Alton, IL as of August 2026, with employment types broken down into 1% Internship, 80% Full Time, 12% Part Time, and 7% Contract. Highlights an 77% Physical, 7% Hybrid, and 16% Remote job distribution, with an average salary of $105,207 per year, or $50.6 per hour.

Oracle Database & Application Developer - ISEC-MED

Semper Valens Solutions

Overland, MO • On-site

Full-time

Posted 13 days ago

Job description

Oracle Database & Application Developer
Full Time, On-Site, Overland, MO
Secret Clearance
Sign On Bonus: up to $2,500
Referral Bonus: $1,000.00
Overview:
Semper Valens Solutions is seeking an experienced Oracle Database & Application Developer to join our team supporting mission-critical U.S. Army business systems and web-based applications.
Key Responsibilities
  • Administer and optimize Oracle databases to ensure availability, performance, reliability, security, and data integrity.
  • Install, configure, patch, upgrade, monitor, and troubleshoot Oracle database environments and related software.
  • Develop, develop, maintain, and optimize database schemas, tables, views, stored procedures, PL/SQL, and SQL queries.
  • Analyze execution plans, indexing strategies, storage utilization, and system resources to improve database performance.
  • Perform backup, recovery, disaster recovery, and business continuity activities.
  • Develop and maintain data-driven web applications and web services that interface with Oracle and SQL Server databases.
  • Collaborate with developers, system administrators, cybersecurity personnel, and customers to gather requirements and deliver application enhancements.
  • Develop and implement database security controls, auditing procedures, role-based access, authentication, encryption, and data protection measures.
  • Troubleshoot database connectivity, application integration, data-processing, and system-interface issues across Windows and web-based environments.
  • Support application testing, deployments, upgrades, database migrations, and configuration changes across development, test, and production environments.
  • Develop reports, dashboards, and data-analysis products supporting operational and business requirements.
  • Monitor database storage, file structures, access methods, and data access controls.
  • Use tools such as Oracle Enterprise Manager, TOAD, or equivalent database administration and monitoring solutions.
  • Develop and maintain technical documentation, user guides, data dictionaries, standards, configuration baselines, and training materials.
  • Work closely with cybersecurity teams to support RMF, STIG, vulnerability remediation, patch compliance, and secure system operations.
  • Develop and maintain software interfaces using serial and Ethernet communications to connect with external appliances and systems.
  • Assist fellow developers with technical challenges, programming techniques, troubleshooting, and application development best practices.
  • Support system outages, IAVA remediation, PKI certificates, server updates, and other infrastructure-related activities.
  • Travel as required to support mission and customer requirements.

Required Qualifications
  • Active DoD Secret clearance required.
  • Current DoD 8140-compliant certification, such as Security+ or higher.
  • Bachelor's degree in Computer Science, Information Systems, Information Technology, Software Engineering, or a related discipline. Equivalent professional experience may be considered in lieu of a degree.
  • 10+ years of experience in Oracle and/or SQL database administration, database development, application support, software development, or related IT disciplines.
  • Candidates should have demonstrated experience with the following:

Database
  • Oracle and Microsoft SQL Server
  • Database design, administration, development, and optimization
  • PL/SQL and SQL
  • Database auditing and security
  • Backup and recovery
  • Database monitoring and administration tools such as TOAD or equivalent

Application & Web Development
  • ASP / ASP.NET
  • .NET / VB.NET
  • C# and/or C++
  • JavaScript / VBScript
  • HTML
  • Web services and web application development
  • Microsoft Visual Studio / Visual Studio .NET
  • Microsoft Reporting Services
  • IIS

Infrastructure & Security
  • Windows Server
  • Windows, Unix, and Linux operating systems
  • Authentication and encryption technologies
  • PKI certificates
  • Application and database security
  • Fortify or comparable application security/code analysis tools
  • DoD security and cybersecurity requirements

Preferred Skills and Qualifications
  • Demonstrated ability to diagnose, resolve, and implement solutions for complex enterprise database ingest and export challenges, delivering timely and reliable outcomes across diverse external data sources, environments, and enclaves.
  • Strong communication skills with the ability to collaborate effectively with internal teams, external stakeholders, and customers, ensuring alignment, transparency, and shared understanding across all phases of the project.

About Semper Valens Solutions:
Semper Valens Solutions, Inc. (SVS) is a Service-Disabled Veteran Owned Small Business (SDVOSB) providing Cost Effective Software and Systems Engineering, Field Support, Training and Full Life cycle Support Management to the DOD and VA community.
At Semper Valens, our vision is to remain a creative, cutting edge and cost-effective solutions provider where our shared intellect, industry experience, and technology excellence, make a positive difference in our customer's success. Our solutions help bridge the gap between IT and business prioritizations to optimize budgets, risks and operational processes.
We search for outstanding technical professionals, hiring at all levels of the experience spectrum; intermediate, journeyman and senior. Consider us for your career plan.
Semper Valens Solutions is an Equal Opportunity Employer
Semper Valens Solutions proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital/parental status, pregnancy/childbirth, or related conditions, physical or mental disability, genetic information, status as a Disabled Veteran, Recently Separated Veteran, Active-Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.
If you require a reasonable accommodation to apply for a position with Semper Valens Solutions through its online applicant system, please contact Semper Valens Solutions Human Resources Department at (830) 899-6870.
Semper Valens Solutions is an affirmative action/equal opportunity employer - minorities, females, disabled, and protected veterans are urged to apply. Applicants have rights under Federal Employment Laws.
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