Software Engineer Jobs in Saint Louis

As of 15 August 2026, Haystack lists 31 live Software Engineer jobs in Saint Louis, with 7 added in the past week. Employers hiring right now include Leidos, Gridiron IT Solutions and Omni Federal.

• New

  Software Developer with Security Clearance

  Gridiron IT Solutions

  Saint Louis, MO🇺🇸$150k - $175k/yr16 hours ago

  Docker

  Packer

  Ansible

  +6 more

  Temporary/Casual

  Technology

  GI
• This week

  Senior Software Engineer (TS/SCI) with Security Clearance

  Omni Federal

  Saint Louis, MO🇺🇸2 days ago

  Microservices

  Spring

  Spring Boot

  +5 more

  Technology

  OF
• This week

  Junior/Mid Software Engineer with Security Clearance

  Gateway Geospatial Group

  Saint Louis, MO🇺🇸2 days ago

  Machine Learning

  Agile

  Angular

  +3 more

  Temporary/Casual

  Technology

  GG
• This week

  Software Developer with Security Clearance

  Leidos

  Saint Louis, MO🇺🇸$107.9k - $195.1k/yr2 days ago

  Docker

  Spring

  AWS

  +10 more

  Technology

  LE
• This week

  Software Developer

  Leidos

  Saint Louis, MO🇺🇸$107.9k - $195.1k/yr2 days ago

  Docker

  Spring

  AWS

  +11 more

  Full time

  Technology

  LE
• This week

  Mid Software Engineer (SFA) with Security Clearance

  Kentro

  Saint Louis, MO🇺🇸3 days ago

  C#

  Java

  JavaScript

  +1 more

  Technology

  KE
• This week

  Software Engineer Senior Staff (TS/SCI Required) with Security Clearance

  Cherokee Federal

  Saint Louis, MO🇺🇸4 days ago

  Docker

  AWS

  Azure

  +3 more

  Technology

  CF

• Software Engineer III with Security Clearance

  Agile Defense, Inc.

  Saint Louis, MO🇺🇸1 week ago

  Microservices

  SQL

  Agile

  +5 more

  Technology

  AD

• Systems Engineer SME

  Leidos

  Saint Louis, MO🇺🇸$131.3k - $237.3k/yr1 week ago

  Agile

  C++

  HTTPS

  +1 more

  Full time

  Technology

  LE

• Software Engineer with Security Clearance

  Omni Federal

  Saint Louis, MO🇺🇸1 week ago

  Docker

  FastAPI

  Node.js

  +17 more

  Technology

  OF

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• Senior Test Engineer with Security Clearance

  Leidos

  Saint Louis, MO🇺🇸$107.9k - $195.1k/yr1 week ago

  Scrum

  Agile

  Jira

  Temporary/Casual

  Technology

  LE

• API Engineer, Mid-level with Security Clearance

  Modus21, Llc

  Saint Louis, MO🇺🇸1 week ago

  Docker

  GCP

  Node.js

  +25 more

  Technology

  MO

• TS/SCI -Entry-Level Software Developer (Python Required) with Security Clearance

  Bailey Information Technology, LLC

  Saint Louis, MO🇺🇸2 weeks ago

  Docker

  AWS

  Machine Learning

  +12 more

  Technology

  BI

• Junior Software Developer with Security Clearance

  Gridiron IT Solutions

  Saint Louis, MO🇺🇸$50k - $80k/yr2 weeks ago

  Docker

  AWS

  Machine Learning

  +12 more

  Technology

  GI

• Systems Engineering, Lead Associate with Security Clearance

  Peraton

  Saint Louis, MO🇺🇸$80k - $128k/yr3 weeks ago

  Agile

  SAFe

  Engineering

  PE

• Senior Software Engineer with Security Clearance

  ZOLON TECH INC.

  Saint Louis, MO🇺🇸4 weeks ago

  Microservices

  Technology

  ZT

• GIS / Travelways Engineer with Security Clearance

  CEdge Software Consultants

  Saint Louis, MO🇺🇸4 weeks ago

  Oracle

  PL/SQL

  SQL

  +2 more

  Technology

  CS

• Software Developer - Advanced with Security Clearance

  Rividium, Inc

  Saint Louis, MO🇺🇸4 weeks ago

  Tableau

  CSS

  HTML

  +3 more

  Technology

  RI

• Software Developer - Intermediate with Security Clearance

  Rividium, Inc

  Saint Louis, MO🇺🇸4 weeks ago

  Tableau

  CSS

  HTML

  +3 more

  Technology

  RI

• Exploitation Specialist/GDAT Software Engineer with Security Clearance

  Leidos

  Saint Louis, MO🇺🇸$73.5k - $132.8k/yr4 weeks ago

  .NET

  PostgreSQL

  Technology

  LE

• Mid-Level Software Engineer with Security Clearance

  Leidos

  Saint Louis, MO🇺🇸$87.1k - $157.4k/yr4 weeks ago

  Django

  Docker

  Flask

  +33 more

  Temporary/Casual

  Technology

  LE

• Systems Engineer with Security Clearance

  Reinventing Geospatial, Inc. (RGi)

  Saint Louis, MO🇺🇸4 weeks ago

  Oracle

  PHP

  SOAP

  +15 more

  Technology

  RG

• Network Implementation Specialist with Security Clearance

  TEKsystems c/o Allegis Group

  Saint Louis, MO🇺🇸4 weeks ago

  TCP/IP

  DNS

  Performance Management

  Temporary/Casual

  Other

  TC

• Senior Software Engineer with Security Clearance

  Gateway Geospatial Group

  Saint Louis, MO🇺🇸4 weeks ago

  Express

  Flask

  Microservices

  +17 more

  Technology

  GG

• Mid ServiceNow ITSM Process Systems Engineer with Security Clearance

  USmax Corporation

  Saint Louis, MO🇺🇸4 weeks ago

  Scrum

  Agile

  Microsoft Office

  +2 more

  Technology

  US

• Software Engineer with Security Clearance

  Reinventing Geospatial, Inc. (RGi)

  Saint Louis, MO🇺🇸$115k - $170k/yr4 weeks ago

  Docker

  Ruby

  AWS

  +13 more

  Technology

  RG

• Systems Engineer Level 3 with Security Clearance

  Zachary Piper Solutions, LLC

  Saint Louis, MO🇺🇸$90k - $160k/yr4 weeks ago

  Technology

  ZP

• 4004 Mid Level Software Engineer with Security Clearance

  Procession Systems

  Saint Louis, MO🇺🇸4 weeks ago

  Docker

  DynamoDB

  FastAPI

  +15 more

  Technology

  PS

• 4375 Software Developer with Security Clearance

  Procession Systems

  Saint Louis, MO🇺🇸4 weeks ago

  Node.js

  SQL

  Scrum

  +8 more

  Technology

  PS

• Senior Level Software Developer with Security Clearance

  DCS Corporation

  Saint Louis, MO🇺🇸4 weeks ago

  Oracle

  PHP

  AWS

  +8 more

  Technology

  DC