12 api specialist jobs at 7 companies in Ballwin, MO

2mo
Save
Mark Applied
Hide
Application Specialist
Clayton, Missouri, United States
OnsiteFull Time
Moneta
Moneta: Provides independent wealth management and financial advisory services.
2+ YOEBachelor’s degree in Finance, Accounting, Information Systems, or related field; 2+ years experience; SDLC, requirements gathering, UI/UX in enterprise; cloud/microservices/APIs; proficient with Microsoft Office; technical software skills; authorized to work in the United States.
Microsoft Office, Enterprise software, APIs, Cloud architectures
2d
Save
Mark Applied
Hide
Information Technology Specialist
Fresno or Washington or Jacksonville or Chamblee or Chamblee or Fairview Heights or Covington or Lanham or Detroit or Kansas City or Saint Louis or Charlotte or Holtsville or Philadelphia or Guaynabo or San Juan or Memphis or Austin or Austin or Farmers Branch or Ogden or Kearneysville
$126k-$193k/yr OnsiteFull Time
IRS Office of Chief Counsel
IRS Office of Chief Counsel: Represents the IRS in tax litigation and legal matters.
Specialized GS-14 IT experience designing, developing, and integrating Pega workflow applications with enterprise systems, REST APIs, AI features, and enterprise data sources; must be a U.S. citizen and meet federal hiring requirements.
Pega, Salesforce, Palantir, Microsoft 365, S3, REST API, Pega Decision Hub, Pega Cloud AI, Pega Blueprint, Pega Knowledge Buddy
3mo
Save
Mark Applied
Hide
Infrastructure Monitoring Tools Specialist
Springfield or St. Louis
$75k-$158k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
Proven experience administering and implementing monitoring solutions; strong networks, servers, virtualization, cloud, and databases knowledge; SQL, APIs, scripting (PowerShell, Python, Shell, YAML); led tool integration projects.
Forward Networks, Riverbed, SQL, APIs, PowerShell, Python, Shell, YAML
4d
Save
Mark Applied
Hide
Information Technology Specialist - Salesforce Workflow Integrator
Fresno or Washington or Jacksonville or Chamblee or Chamblee or Fairview Heights or Covington or Lanham or Detroit or Kansas City or Saint Louis or Charlotte or Holtsville or Philadelphia or Guaynabo or San Juan or Memphis or Austin or Austin or Farmers Branch or Ogden or Kearneysville
$126k-$193k/yr OnsiteFull Time
IRS Office of Chief Counsel
IRS Office of Chief Counsel: Represents the IRS in tax litigation and legal matters.
1+ YOEDesign and implement complex Salesforce workflows, integrate MuleSoft and APIs, apply federal AI guidelines, lead technical reviews; GS-14 specialized IT experience required.
Salesforce, MuleSoft, Pega, Apex, Microsoft 365, Amazon S3, APIs
3mo
Save
Mark Applied
Hide
Infrastructure Monitoring Tools Specialist
Springfield or St. Louis
$75k-$158k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
TS/SCI clearance required. Experience implementing and administering monitoring tools (Forward Networks, Riverbed). Strong knowledge of networks, Windows/Unix, virtualization, cloud, databases. Proficiency in SQL, APIs, and scripting (PowerShell, Python, Shell, YAML).
Forward Networks, Riverbed, SQL, APIs, PowerShell, Python, Shell, YAML
1mo
Save
Mark Applied
Hide
Maven Exploitation Specialist/ Data Scientist (Expert)
Springfield or St. Louis
$210k-$230k/yr OnsiteFull Time
BTS Software Solutions
BTS Software Solutions: Provides software engineering and technical solutions for defense missions.
4+ YOETS/SCI clearance (willing to take CI Poly),4+ years with SQL/NoSQL and cloud,API experience,Python/JavaScript/Java,building and maintaining ETL/data pipelines,metadata management,and strong written/verbal communication.
SQL, NoSQL, APIs, Python, JavaScript, Java, JSON, parquet, XML, CSV, GitLab, NGA CORE, NGA MLOps
1mo
Save
Mark Applied
Hide
Sr Systems Specialist (Full Stack, Cloud)
Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
NISC
NISC: Develops enterprise software for energy and telecommunications cooperatives.
5+ YOE5+ years in software development/systems engineering/DevOps; proficiency in Java, Python, JavaScript/TypeScript; experience with cloud (AWS), Docker, Kubernetes, Terraform, CI/CD, databases (PostgreSQL, Oracle), Linux/Windows, and API design.
Claude, AWS, Docker, Kubernetes, Terraform, Git, Bitbucket, Bamboo, PostgreSQL, Oracle, JSON, XML, Python, Java, JavaScript, TypeScript, Linux, Windows, Angular, Vue, Spring Boot, FastAPI, Bash, RESTful APIs
1mo
Save
Mark Applied
Hide
Sr Systems Specialist (Full Stack, Cloud)
Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
NISC
NISC: Develops enterprise software for energy and telecommunications cooperatives.
5+ YOE5+ years in software development, systems engineering, or DevOps. Proficiency with Java, Python, JavaScript/TypeScript, RESTful APIs, cloud (AWS), containerization (Docker, Kubernetes), IaC (Terraform), CI/CD (Git/Bitbucket/Bamboo), Linux/Windows, Bash scripting, and relational databases (PostgreSQL/Oracle).
Claude, Java, Python, JavaScript, TypeScript, Angular, Vue, Spring Boot, FastAPI, AWS, Docker, Kubernetes, Terraform, Git, Bitbucket, Bamboo, Linux, Windows, Bash, PostgreSQL, Oracle, JSON, XML, RESTful APIs
1mo
Save
Mark Applied
Hide
Sr Systems Specialist (Full Stack, Cloud)
Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
NISC
NISC: Develops enterprise software for energy and telecommunications cooperatives.
5+ YOE5+ years in software development, systems engineering, or DevOps; proficiency with Java/Python/JavaScript/TypeScript, REST APIs, cloud (AWS), containerization (Docker, Kubernetes), IaC (Terraform), CI/CD (Git/Bitbucket/Bamboo), Linux/Windows, databases (PostgreSQL, Oracle), and scripting (Bash, Python).
Java, Python, JavaScript, TypeScript, Angular, Vue, Spring Boot, FastAPI, REST APIs, AWS, Docker, Kubernetes, Terraform, Git, Bitbucket, Bamboo, PostgreSQL, Oracle, JSON, XML, Linux, Windows, Bash, Claude
1w
Save
Mark Applied
Hide
Senior Exploitation Specialist/Data Scientist
St. Louis, Missouri, United States
OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
Senior-level Python, API integration, data visualization and dashboard development, SQL, geospatial processing (GDAL/ArcPy), GIS desktop (ArcGIS Pro/QGIS), Git experience, active security clearance, bachelor's degree required.
Python, Plotly, Seaborn, Matplotlib, Bokeh, Dash, Streamlit, Panel, Tableau, SQL, GitLab, GitHub, GDAL, ArcPy, ArcGIS Pro, QGIS
1mo
Save
Mark Applied
Hide
Exploitation Specialist/Data Scientist- Senior
St. Louis, Missouri, United States
OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
4+ YOEActive TS/SCI clearance with CI/Poly, 4+ years in SQL/NoSQL and cloud, API experience, Python/JavaScript/Java, strong communication, and end-to-end data pipeline experience.
Python, JavaScript, Java, SQL, NoSQL, Cloud Computing, APIs
1mo
Save
Mark Applied
Hide
Exploitation Specialist/Data Scientist support to MA VEN, EO and SAR (Senior)
Springfield or St. Louis
$175k-$195k/yr OnsiteFull Time
BTS Software Solutions
BTS Software Solutions: Provides software engineering and technical solutions for defense missions.
3+ YOE3+ years quantitative analysis and data engineering experience; expertise in AI/ML, ETL, geospatial and multiple file types; Python and database experience; TS/SCI clearance required.
Python, JSON, XML, SQL, NoSQL, API, ETL, AI/ML, Natural Language Processing (NLP), Computer Vision, Maven, SOM