PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
2mo
Save
Mark Applied
Hide
Database Engineer
Springfield or Vienna or St. Louis
OnsiteFull Time
5+ YOE5+ years in database design/administration; Oracle/SQL Server/PostgreSQL/SAP HANA; SQL and Python; Linux/UNIX/Windows; GIS/geospatial concepts; BS in CS/Math/GIS; strong communication.
Oracle, SQL Server, PostgreSQL, SAP HANA, SQL, Python, Linux, UNIX, Windows, ArcGIS, Geospatial
3w
Save
Mark Applied
Hide
Senior Database Engineer - Oracle
St. Louis or United States
RemoteFull Time
3+ YOE3+ years administering production databases (Oracle or PostgreSQL), strong SQL, experience with on-prem and/or cloud DBs, version control (Git/Bitbucket), security focus, troubleshooting and release support.
Oracle, PostgreSQL, SQL, Bitbucket, Git, AWS RDS, Aurora, PL/SQL, PL/pgSQL, OEM, RMAN, Data Guard, Terraform, Unix, Shell, Python, Perl, JIRA, Confluence
1mo
Save
Mark Applied
Hide
Geospatial Database Engineer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis
OnsiteFull Time
5+ YOEUS citizen with active Top Secret/SCI clearance, bachelor’s in STEM, 5+ years database design/admin experience (Oracle, Microsoft SQL Server, PostgreSQL, SAP HANA), SQL and Python scripting, Linux/UNIX/Windows knowledge, ArcGIS experience.
ArcGIS Enterprise, ArcGIS, Esri, Oracle, Microsoft SQL Server, PostgreSQL, SAP HANA, SQL, Python, Linux, UNIX, Microsoft Windows
1mo
Save
Mark Applied
Hide
Geospatial Database Engineer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
OnsiteFull Time
5+ YOEUS citizen with active Top Secret/SCI clearance, BS in CS/Math/GIS/STEM, 5+ years database design/admin experience (Oracle, Microsoft SQL Server, PostgreSQL, SAP HANA), SQL and Python scripting, Linux/UNIX/Windows, and geospatial data knowledge.
Oracle, Microsoft SQL Server, PostgreSQL, SAP HANA, SQL, Python, Linux, UNIX, Microsoft Windows, ArcGIS Enterprise, Esri
1w
Save
Mark Applied
Hide
Developer
St Louis, Missouri, United States
OnsiteFull Time
5+ YOE5+ years software development experience, proficiency in full-stack OOP (C#, Java), relational databases, HTML/CSS/JavaScript and React, Git, RESTful API development, and Agile methodologies.
C#, Java, SQL, PostgreSQL, HTML, CSS, JavaScript, React, RESTful API, Git, Scrum, Kanban, Azure, AWS, CI/CD, DevOps
3mo
Save
Mark Applied
Hide
Sr. Software Engineer
Hazelwood, Missouri, United States
$82k-$115k/yr HybridFull Time
7+ YOE7+ years full stack development with Java; AWS; API development; security/compliance; IaC; data pipelines; relational databases; strong collaboration.
Java, Angular, AWS, Terraform, CloudFormation, Docker, Kubernetes, Python, SQL
5d
Save
Mark Applied
Hide
Junior Application Developer
Denver or Springfield or Sterling or St. Louis
$53k-$106k/yr OnsiteFull Time
0+ YOEBachelor's or equivalent, 0–3 years development experience, experience with Java and/or Python, familiarity with web apps and relational databases, TS/SCI clearance with polygraph required.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD, containerization
2w
Save
Mark Applied
Hide
Software Developer - Advanced (MO, Saint Louis)
St. Louis, Missouri, United States
OnsiteFull Time
Requires RMF knowledge, experience with Python, HTML, CSS, JavaScript, React, Tableau, database development, and secure full‑stack software development; baccalaureate degree required.
Python, HTML, CSS, JavaScript, React, Tableau
1mo
Save
Mark Applied
Hide
Agentic AI Developer
O'Fallon, Illinois, United States
$99k-$225k/yr OnsiteFull Time
3+ YOE3+ years software development experience, proficiency with Python, experience with large language models, embeddings, vector databases, AI agents, and ability to obtain a Secret security clearance; bachelor’s degree required.
Python, Retrieval-Augmented Generation (RAG)
1w
Save
Mark Applied
Hide
Software Developer (Hiring Event)
Springfield or St. Louis
$77k-$158k/yr OnsiteFull Time
4+ YOEExperience with databases (MySQL/PostgreSQL/Oracle/DynamoDB), Java/Python/JavaScript, REST/SOAP APIs, build automation tools, and agile development; bachelor's degree or 4+ years' equivalent experience.
MySQL, PostgreSQL, Oracle Database, DynamoDB, Java, Python, JavaScript, REST, SOAP, Maven, Gradle, Webpack, NPM, Yarn, Jenkins, Gitlab CI, Kubernetes, Python Flask, Java Spring, Java Spring Boot, React, Redux, Docker, Podman, Buildah, Containerd
2mo
Save
Mark Applied
Hide
AI Engineer
St. Louis or Atlanta
HybridFull Time
7+ YOE7+ years software engineering; strong AI/ML experience; LangChain/LangGraph; GCP; Kubernetes; Python/JavaScript/Java; DevSecOps/FinOps; CI/CD; SQL/NoSQL databases; cloud-native
LangChain, LangGraph, Google Cloud Platform, Kubernetes, Docker, Terraform, CloudFormation, GitHub Actions, Argo CD, Jenkins, SQL, PostgreSQL, MySQL, MongoDB, DynamoDB, Firestore, GitHub Copilot, Gemini, Claude, Llama, Langfuse, Vertex AI
1mo
Save
Mark Applied
Hide
OneStream Senior Developer
Chicago or Milwaukee or Dallas or Columbus or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Boston or Denver or Philadelphia or Overland Park or Los Angeles or Charlotte or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Nashville or Detroit or San Diego
$63k-$183k/yr OnsiteFull Time
3+ YOE3+ years OneStream development, 2+ years VB.net or C# and Data Management, 3+ years reporting and leading technical workstreams; OneStream OCA (or willing to certify), Bachelor’s degree or equivalent.
OneStream XF, VB.net, C#, SQL, XML, Sensible AI, CPM Express, Oracle, Hyperion, Cognos TM1, SAP, Anaplan, Adaptive, Host Analytics
2w
Save
Mark Applied
Hide
Application Developer II
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOE3+ years developing integrations and applications using iPaaS (Boomi/Mulesoft/Snaplogic), SQL, JSON/XML, modern stacks (.NET,C#/Node.js/TypeScript/Python/Ruby), DevSecOps practices and cloud platforms (AWS/Azure).
Boomi, Mulesoft, Snaplogic, SQL, JSON, XML, Palantir, .NET 6+, C#, Node.js, TypeScript, Python, Ruby, Ruby on Rails, Sinatra, ActiveRecord, CI/CD, DAST, SAST, SCA, Checkmarx, OWASP, GitHub, Snyk, Terrascan, Terraform, SFTP, PGP, AWS, Azure, Microsoft Office 365
3mo
Save
Mark Applied
Hide
Senior Software Engineer- Quantitative Developer, Information Technology
St. Louis, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's degree in a quantitative field; 5+ years of development; 3+ years Python; data systems design; cloud experience; collaboration with researchers; CI/CD; financial services exposure is a plus.
Python, AWS, Azure, GCP, CI/CD, SQL, Backtesting
3mo
Save
Mark Applied
Hide
Full Stack Developer
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOEBS in CS or related field; 3+ years development; Flutter and ASP.NET; web/mobile tech; CI/CD; US work authorized.
Flutter, ASP.NET, SignalR, WebRTC, C++, Docker, Linux, SQL, Azure, EF Core, Kubernetes, LiveKit
2w
Save
Mark Applied
Hide
Application Developer II
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOE3+ years experience with enterprise iPaaS (Boomi/Mulesoft/Snaplogic), strong SQL and API integration skills, JSON/XML knowledge, application development on modern stacks (.NET6+/C#, Node.js/TypeScript, Python, Ruby), DevSecOps familiarity, cloud and container experience, Agile.
Boomi, Mulesoft, Snaplogic, Palantir, .NET 6+, C#, Node.js, TypeScript, Python, Ruby, Ruby on Rails, Sinatra, ActiveRecord, SQL, JSON, XML, CI/CD, DAST, SAST, SCA, Checkmarx, OWASP, GitHub, Snyk, Terrasan, Terraform, SFTP, PGP, AWS, Azure, Microsoft Office 365
1mo
Save
Mark Applied
Hide
Experienced Software Development Engineer
Hazelwood or Berkeley or St. Louis
$127k-$171k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years software development experience with C#, .NET, Java, SQL, HTML, CSS; Windows/Linux, containerized architectures (Docker/Podman/Kubernetes), Git, cloud development, and ability to obtain U.S. security clearance (U.S. citizenship required).
C#, .NET, Java, SQL, HTML, CSS, Windows, Linux, Docker, Podman, Kubernetes, Git, CI/CD, CodeVue
1mo
Save
Mark Applied
Hide
Sr. Application Developer - Legacy System Modernization
Bridgeton, Missouri, United States
OnsiteFull Time
5+ YOE5+ years application development experience, expert C#/.NET and COBOL legacy experience, Microsoft SQL Server, Azure DevOps/GitHub, CI/CD, AI-assisted development, and ability to modernize legacy systems.
C#, .NET, COBOL, SQL, Microsoft SQL Server, GitHub, GitHub Actions, Azure DevOps, HP NonStop, CI/CD
1mo
Save
Mark Applied
Hide
Mid Software Developer
O'Fallon, Illinois, United States
OnsiteFull Time
2+ YOEMinimum 2 years relevant experience (or HS/GED +6 yrs); experience with AWS (S3, EC2, Lambda), Python, shell scripting, TypeScript, Node.js/Express, ASP.NET Core, C#, Postgres, Kubernetes, Docker, .NET Core, Linux, React, Java, and SQL; AWS Developer certification and TS/SCI clearance preferred; must pass background and drug screening.
Amazon S3, EC2, Lambda, AWS SDK API tools, RDS, Python, Python Flask, Bash, TypeScript, Node.js/Express, ASP.NET Core Web API, Swagger (OpenAPI), C#, Postgres, Kubernetes, Docker, .NET Core, Linux, React, JavaScript, Java, SQL, Gitlab/DevOps, ESRI, Microsoft Word, Microsoft Excel, Microsoft Office
3w
Save
Mark Applied
Hide
Software Engineer - AI (Top Secret Clearance Required)
Alexandria or Chantilly or Gaithersburg or Saint Louis
OnsiteFull Time
Active Top Secret clearance (TS) required, bachelor’s in CS/Engineering, DoD 8570 IAT Level II/III (e.g., Security+), proficiency in Python, cloud (AWS) architecture, CI/CD, CloudFormation/Terraform, and database development.
Python, GitLab, Jenkins, AWS CloudFormation, Terraform, PostgreSQL, Zabbix, ACAS, Jira, Confluence, RocketChat, AWS, Windows, Linux
Explore Jobs