Average salary: $116,000 /yearly

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  • Senior UI/UX Engineer

    $107.9k - $195.05k

     ...experience developing modern web-based user interfaces and user experiences. Proficiency with HTML, CSS, JavaScript/TypeScript, and Python. Experience with modern UI frameworks such as React, Angular, Vue.js, or Django. Demonstrated understanding of responsive... 
    Python
    Contract work
    Local area
    Immediate start

    Leidos

    Fairview Heights, IL
    19 hours ago

  • Network Software Engineer Lead

    $107.9k - $195.05k

     ...systems manager for the release and deployment of new software tools using the Cisco Network Services Orchestrator (NSO) platform, Python, and other software languages to sustain and manage a Carrier-class Wide Area Network supporting the Defense Information Systems Agency... 
    Python
    Full time
    Contract work

    Leidos

    O Fallon, IL
    19 hours ago

  • Senior Backend Software Engineer

    $130k - $160k

     ...applications. Primary Responsibilities • Backend Development: Design, develop, test, and maintain backend services using Java or Python • REST API Development: Design and implement RESTful services to support application functionality and integrations • Object-... 
    Python
    Full time
    Remote work

    Ennoble First, Inc.

    Saint Louis, MO
    3 days ago

  • Application Security Engineer

    $75.2k - $158.1k

     ...analysis platforms Familiarity with DevSecOps pipelines and CI/CD security integration Scripting or development experience in Python, Java, or similar languages What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the... 
    Python
    Full time
    Contract work
    Work experience placement
    Interim role
    Local area
    Flexible hours

    CACI International

    O Fallon, IL
    3 days ago

  • Mid Software Developer

     ...display and analysis within Aeronautical Production Systems. Responsibilities Coding, developing, integrating, and debugging Python, React, C#, and other languages. Strong familiarity with Python Flask, Mapping, Gitlab/DevOps, and ESRI development. Writing validation... 
    Python
    Work at office
    Work from home
    Home office

    Chenega Corporation

    O Fallon, IL
    15 days ago

  • Software Developer

    $100k - $160k

     ...life cycle. Experience with Agile framework and ability to apply best practices using industry standards. Proficient in Java, Python or C++ development. Strong organizational and interpersonal skills, and demonstrated experience working with stakeholders and... 
    Python
    Full time
    Contract work

    Augustine Consulting

    Scott Air Force Base, IL
    2 days ago

  • Senior Python Developer

    $150k - $190k

     ...Senior Python Developer Location: St. Louis area (onsite) Salary: $150,000 - $190,000 DOE + full benefits What you need for this position: Hold a TS/SCI Clearance Experience with Python or similar backend programming language (Java, Golang, node.js)... 
    Python

    Noor Staffing Group

    Saint Louis, MO
    1 hour agonew

  • Mid-Level Software Engineer

    $87.1k - $157.45k

     ...examination. Proficiency with the following technologies: Web:HTML, CSS, JSON, Ajax, and REST APIs Object-oriented Programming:Python, Java, or JavaScript Advanced Programming: Go Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot,... 
    Python
    Contract work
    Local area
    Immediate start

    Leidos

    Saint Louis, MO
    3 days ago

  • Python/R Programmer - Entry

    $100k

     ...Information Systems, IT, Statistics, Mathematics or having good logical aptitude Knowledge of Statistics, Gen AI, LLM, Sagemaker, Python, Computer Vision, data visualization tools Candidates lacking technical skills or relevant experience can research our Job... 
    Python
    H1b

    SynergisticIT

    Saint Louis, MO
    58 minutes agonew

  • BackEnd Software Engineer (Experienced or Senior)

    $126.65k - $171.35k

     ...Access5+ years of experience in backend software development (Java, Spring, Oracle SQL, SQL Server)5+ years of experience with Go, Python, Java or equivalent server language5+ years of experience with database technologies using SQL or PL/SQLKnowledge and understanding... 
    Python
    Permanent employment
    Full time
    Work experience placement
    Currently hiring
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing

    Saint Louis, MO
    19 hours ago

  • AI Engineer

    $82.1k - $172.4k

     ...Demonstrated experience implementing AI solutions in live production systems ~ Strong proficiency in multiple programming languages (e.g., Python, Java, C++, JavaScript) ~ Expertise in cloud services, particularly Azure and AWS ~ Extensive knowledge of API development and... 
    Python
    Full time
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    O Fallon, IL
    2 days ago

  • Countermeasures Engineer

    $87.1k - $157.45k

     ...Security+ CE or equivalent) , CSSP-A certification required within 180 daysStrong programming proficiency in at least one modern language: Python, Java, Ruby, or C++Proven experience developing custom malware detection capabilitiesAdvanced understanding of:TCP/IP, network... 
    Python
    Full time
    Immediate start

    Leidos

    O Fallon, IL
    1 day ago

  • Data Engineer

    $89k - $148k

     ...develop, test and maintain data pipelines and ETL processes for ingesting, transforming, and loading data from diverse sources (SQL, R, Python).AI experience with prompt engineering, machine learning, agentic AI and RAG conceptsBuild and optimize data architectures and... 
    Python
    Full time
    Flexible hours

    Guidehouse

    Fairview Heights, IL
    3 days ago

  • Senior Full Stack Software Engineer

     ...development experience in startup or fast-paced environments. ~ Expertise in both frontend (React, TypeScript) and backend (Node.js or Python) technologies. ~ Proven experience with API design (REST) and integrating external systems. ~ Strong understanding of cloud-... 
    Python

    VedaPointe, Inc.

    Saint Louis, MO
    2 days ago

  • Data Architect

     ...management strategies. ~ Ability to complete milestones and work toward multiple deadlines simultaneously. Desired Skills: Python experience. Shell scripting experience such as Bash or PowerShell. Experience with Database technologies such as Postgres,... 
    Python

    Intellectix

    Saint Louis, MO
    3 days ago

  • Senior AWS Python Developer - Kafka (AWS-based solutions, Kafka integrations, and data pipelines), P

    Job ID: 29314331Reference Number: 26-00958Title: Senior AWS Python Developer - Kafka (AWS-based solutions, Kafka integrations, and data pipelines), PPosted Date: 2026-09-17Contact: Vishika ChaudharyContact Email: ****@*****.*** Phone: (551) 795... 
    Python
    Contract work
    Remote work

    HAN Staffing

    Saint Louis, MO
    4 days ago

  • Associate Backend Software Engineer, Phantom Works

     ...Government requires U.S. Citizenship2+ years of experience in backend software development2+ years of experience with Go, Java, JavaScript, Python, or equivalent server language2+ years of experience with databases using SQL or PL/SQLExperience with or working knowledge of... 
    Python
    Permanent employment
    Full time
    Work experience placement
    Interim role
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing

    Saint Louis, MO
    3 days ago

  • Data Analytics & Visualization Engineer

    $92.3k - $166.85k

     ...visualizations and dashboards using Kibana.Hands-on experience with data cleaning, transformation, and analysis using tools such as Python (pandas, numpy), SQL, or R.Strong understanding of data modeling, ETL processes, and data pipeline development.Ability to translate... 
    Python
    Full time
    Contract work
    Interim role
    Remote work

    Leidos

    O Fallon, IL
    4 days ago

  • Intern - Associate Solutions Engineer - Data Warehouse

    $18 per hour

     ...data models for use by AI models. Gain hands-on experience with ETL development and scripting languages such as PowerShell and Python. Use SQL and other technical tools while supporting Data Engineering work. Support team items that provide opportunities to interface... 
    Python
    Hourly pay
    Contract work
    Temporary work
    Summer work
    Internship
    Work at office
    Local area
    Monday to Friday
    Flexible hours

    Midland States Bank

    Saint Louis, MO
    1 day ago

  • Staff Software Engineer, Backend

    $117k - $171k

     ...to engineering and non-engineering audiences ~ Expert knowledge in at least one modern backend programming language (e.g., Java, Python) with the ability to write understandable, testable code with an eye towards maintainability. ~ Strong understanding of at least... 
    Python
    Local area

    Bayer

    Saint Louis, MO
    2 days ago

  • Azure Cloud Engineer

     ...AzureSQL, Redis, Synapse 1+ year working with orchestration tool such as Airflow or Oozie Strong programming foundation with python or java Strong experience with SQL Experience working in Agile teams Experience working with streaming and batching solutions... 
    Python
    Relocation

    iQuasar

    Saint Louis, MO
    1 day ago

  • Software Developer (Maven/BI) (Secret Clearance Required)

     ...Advanced SQL: Crafting performant queries to clean, filter, join, and pull raw data directly out of relational database engines. Python for BI: Using Plotly, Dash, or Pandas libraries to architect bespoke, highly interactive data applications. Dashboard design &... 
    Python
    For contractors
    Remote work
    Flexible hours

    Solerity

    O Fallon, IL
    a month ago

  • Mid-Level Software Engineer

    $110k - $140k

     ...Required Qualifications Bachelor's degree and 4–8 years of experience, or Master's with 2–6 years. Experience developing in Python, Java, or JavaScript. Knowledge of CI/CD tools such as GitLab CI or Jenkins. Proficiency with Agile collaboration tools such... 
    Python
    Full time
    Shift work

    Ennoble First, Inc.

    Saint Louis, MO
    4 days ago

  • Intern - AI Solutions Engineer

    $18 per hour

     ...with software development or data. Ability to learn quickly, experiment, and turn ideas into working solutions. Experience with Python, APIs, SQL, cloud technologies, or GenAI tools is preferred. Exposure to large language models (LLMs), AI agents, retrieval-... 
    Python
    Hourly pay
    Contract work
    Temporary work
    Summer work
    Internship
    Work at office
    Local area
    Monday to Friday
    Flexible hours

    Midland States Bank

    Saint Louis, MO
    1 day ago

  • Mid-level Software Engineer

    $100k - $105k

     ...the duties associated with this work may be substituted for a technical degree. Required Technical Skills Java, JavaScript, or Python enterprise application development from scratch Micro‑service architecture Containerization API development / experience... 
    Python
    Full time

    DLS Engineering

    Saint Louis, MO
    2 hours agonew

  • Data Analyst

     ...degradation detection. Build, transform, and analyze large-scale datasets using current data-centric programming languages (such as Python, R, SQL and Yaml) for distributed/big-data processing. Integrate, model, and operationalize data within data analytics and... 
    Python

    Centuria

    Scott Air Force Base, IL
    12 hours agonew

  • Full Stack Developer

     ...• Designs, codes and unit tests front and back-end solutions for integrated systems using packages such as HTML, CSS, JavaScript, Python, Go, SQL. • Develops integration code to connect and interface systems and services. • Develops solutions that utilize open standards... 
    Python

    WILLIAM C BROWN INC (WCBinc)

    Saint Louis, MO
    a month ago

  • Data Engineer II

     ...architecture/schema, perform jobs in big data cluster by using different execution engines and program languages such as Hive/Impala, Python, Spark, R, etc. As a Data Scientist/Engineer, you will: Drive the evolution of Data & Services products/platform with an impact... 
    Python

    Mastercard Inc.

    O Fallon, IL
    4 days ago

  • Software Engineer SME

    $131.3k - $237.35k

     ...experience. Proficient with the following technologies: Web: HTML, CSS, JSON, and REST APIs Object-oriented Programming: Python, Java, and JavaScript Advanced Programming: Go Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot... 
    Python
    Contract work
    For contractors
    Local area
    Immediate start

    Leidos

    Roxana, IL
    19 hours ago

  • Data Engineer (All Levels) - Shiloh, IL

     ...crucial role in designing, developing, and maintaining our Advana data infrastructure and systems. Your expertise in ETL, Databricks, Python, Spark, Scala, JavaScript/JSON, SQL, and Jupyter Notebooks will be essential in ensuring efficient data processing and analysis.... 
    Python

    Silverthorne Advisory Group LLC

    Scott Air Force Base, IL
    a month ago