551 Professional Level Software Developer jobs in Saint Charles,MO

Recommended

Apply Directly

Mid-Level SQL Engineer

Leidos

Hazelwood, MO 63042

~ 21 min OnsitePaid Time OffRetirement Benefit

Bachelor's degree in computer science, Software Engineering, or related field with 4–8 years of experience; or Master's with 2–6 years
US Citizenship
Active TS/SCI with ability to successfully pass a Polygraph
Strong SQL skills, including the ability to write advanced queries (joins, aggregations, subqueries, window functions)
Experience working with enterprise relational databases (PostgreSQL, MySQL, Oracle, etc.)
Background supporting analytics, dashboards, or reporting pipelines
Comfortable working in Linux‑based environments
Proven ability to work independently on data‑centric tasks and ensure data quality

SmartExplore AI is experimental.

Recommended

Easy Apply

Senior Web Application Developer

Carshield

Saint Peters, MO 63376

~ 13 min OnsiteEducation AssistanceHealth InsuranceRetirement Benefit

Must be able to work 5 days a week in the St. Peters, MO office
7+ years of professional experience in web application development, with expertise in .NET, C#, TypeScript, JavaScript, and SQL
Hands-on experience with Azure, or equivalent experience with AWS or GCP, to manage cloud infrastructure and CI/CD pipelines
Bachelor's degree in Computer Science Engineering, or a related field (or equivalent practical experience)
Energetic and positive attitude, with a proven ability to work effectively and collaboratively in cross-functional teams
Excellent communication skills, both technical and non-technical, to engage effectively with both engineering teams and business stakeholders

SmartExplore AI is experimental.

New, Posted just now

Recommended

Software Engineer VI (Multiple Openings)

Spectrum Careers

Maryland Heights, MO 63043

New, Posted 1 day ago

iHire

Customer Growth Representative (Hybrid)

Linxup

Chesterfield, MO 63017

New, Posted 1 day ago

Recommended

Apply Directly

Entry Level Team Management / Benefits Representative

DiFilippo Offices

Saint Charles, MO 63301

$75,000-$90,000/yr

Onsite

Driver License
Minimum Age 18
Background Check
No experience

SmartExplore AI is experimental.

Recommended

Apply Directly

Border Patrol Agent (Entry Level) – Up to $60,000 Hiring Bonus

United States Customs and Border Protection

Brussels, IL 62013

$49,739-$89,518/yr

$60,000 bonus

Bilingual Preferred

Recommended

Apply Directly

Graphics Prepress Specialist - 2nd Shift

MCC

Saint Louis, MO 63123

~ 25 min OnsiteFlexible ScheduleHealth InsurancePaid Time OffRetirement Benefit

Associate degree or 2 years of equivalent combination of education and experience in Graphics Reproduction, Customer Service, or related fields.
Advanced computer skills are essential, including proficiency with business operating systems, prepress/preflight software, internet applications, as well as word processing and spreadsheet software.
Demonstrated proficiency with Adobe Creative Cloud.
Proficiency in MS Office applications.
Understanding color theory and color separation.
Specific vision abilities required including color perception, depth, and focus adjustment.
Demonstrated ability to learn new technology including new/upgraded software and hardware.
Willingness to work a flexible schedule and overtime as needed.

SmartExplore AI is experimental.

ResumeLibrary

Entry-level Lube Tech/Technician

Valvoline Instant Oil Change

Ballwin, MO 63011

$16.75/hr

~ 24 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

English fluency in reading, writing, and speaking
Stand for up to 8 hours, climb stairs, and occasionally lift up to 50 pounds
Crouch, bend, twist, and work with your hands above your head
Be comfortable working in a non-climate-controlled environment
This role requires the ability to review, read, and understand written and digital training materials, safety procedures, labels, and operational instructions

SmartExplore AI is experimental.

New, Posted 20 hours ago

Recommended

Apply Directly