2d
Save
Mark Applied
Hide
API Engineer
Boulder, Colorado, United States
$80k-$110k/yr RemoteFull Time
1+ YOEMaster's in CS or related preferred, or Bachelor's plus 1–2 years building APIs/services; proficiency with REST/JSON, schema/versioning, Git, Linux, testing, and a modern language (Python preferred).
OpenAPI, JSON Schema, GeoJSON, GeoParquet, Docker, Terraform, CloudFormation, GitHub Actions, Git, Linux, Python, R, Shiny, Rust
1mo
Save
Mark Applied
Hide
API Integrations Developer
Denver, Colorado, United States
$119k-$133k/yr HybridFull Time
4+ YOEBachelor's in CS or related required; 4+ years backend experience (Python, Node.js, Java, or .NET); HL7 FHIR and X12 EDI experience; strong REST API, security (OAuth2, JWT, mTLS), SQL, and HIPAA knowledge; experience with cloud and CI/CD.
Python, Flask, FastAPI, Django, Node.js, Java, .NET, OpenAPI/Swagger, Postman, X12 EDI, HL7 FHIR, HL7 v2, CDA, EHRs, Docker, Kubernetes, GitHub Actions, Azure DevOps, Jenkins, ELK, Datadog, Prometheus, Grafana, AWS, Azure, GCP, SQL Server, Snowflake, Data Vault 2.0, pytest, JUnit, Pact, k6, Locust, OAuth2, JWT, mTLS, RBAC/ABAC, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft SharePoint
1mo
Save
Mark Applied
Hide
Software Engineer Lead - Python/Java/Angular
Pittsburgh or Strongsville or Denver or Birmingham or Dallas or Cleveland
$40k-$158k/yr OnsiteFull Time
3+ YOELead software engineer with experience leading teams, Java/Spring and Angular expertise, API and Oracle experience, Agile/Scrum background, containerization (OpenShift/Kubernetes), Python preferred, bachelor's degree and 3+ years relevant experience.
Java, Spring Framework, Angular, OpenShift, Kubernetes, Python, Oracle, Agile, Scrum
1mo
Save
Mark Applied
Hide
Senior Platform Engineer, AI
Denver or Long Beach
$170k-$275k/yr HybridFull Time
5+ YOE5+ years software/cloud/DevOps experience; production development in Python/TypeScript/Java; experience with LLM APIs, prompt engineering, RAG, agent frameworks, API integrations; ability to obtain Top-Secret clearance and U.S. citizenship or equivalent status.
Python, TypeScript, Java, CrewAI, Pydantic AI, API, webhooks, MCP, Retrieval-Augmented Generation (RAG), AWS, Azure, GCP, AWS GovCloud, Azure Government, FedRAMP, NIST 800-53, IL4, IL5
1mo
Save
Mark Applied
Hide
AI Operations Engineer - Supply Chain
Centennial, Colorado, United States
$100k-$135k/yr HybridFull Time
5+ YOE5+ years experience applying automation, data engineering, or AI/ML to operations; production deployment experience; integration with ERP and enterprise systems; strong Python, API, and data pipeline skills; supply chain/manufacturing domain knowledge.
Python, APIs, data pipelines, automation tools, ERP, AI/ML
2mo
Save
Mark Applied
Hide
Agentic AI Software Engineer
King of Prussia or Aurora
$82k-$172k/yr OnsiteFull Time
5+ YOE5+ years software engineering with Python; BS in CS or related field; TS/SCI clearance with CI polygraph; experience building microservices and REST APIs.
Python, Git, GitLab, GitHub, Jira, Confluence, RESTful APIs, Microservices, CI/CD
1mo
Save
Mark Applied
Hide
Customer Delivery Engineer
Golden or San Francisco or Toulouse
$130k-$190k/yr OnsiteFull Time
3+ YOE3+ years in operational engineering environments; strong Python and automation skills; experience with production systems, APIs, Docker, cross-system debugging, and customer communication.
Python, Docker, CUE
1w
Save
Mark Applied
Hide
R&D Engineer SW Quality 3
Broomfield, Colorado, United States
$91k-$146k/yr OnsiteFull Time
8+ YOEBachelor's in engineering, 8+ years software testing experience, strong automation (Python), Linux/Windows/VMware skills, networking and SAN knowledge, JIRA and REST API experience.
Python, Linux, Windows, VMware, JIRA, REST API, Claude Code, Gemini AI
1mo
Save
Mark Applied
Hide
Sr Automation Engineer – New Glenn
Seattle or Denver or Los Angeles or Florida
$182k-$277k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBachelor's in engineering/computer science or equivalent, 8+ years software/automation/data/engineering experience, experience designing automation tools, familiarity with React, TypeScript, Kubernetes, Databricks, SQL, Python, REST APIs, and AWS.
React, TypeScript, Kubernetes, Databricks, SQL, Python, REST APIs, AWS, Git, SVN, Gitlab CI
2w
Save
Mark Applied
Hide
Network Automation Engineer II
Dublin or Fremont or Denver
$73k-$115k/yr OnsiteFull Time
3+ YOE3+ years in automation/data engineering or DevOps, strong Python, API and SQL experience, ETL and orchestration knowledge, data quality and large-dataset handling, independent problem solving.
Python, PHP, Hack, Bash, GraphQL, REST, Thrift, SQL, Hive/Presto, Airflow, cron
3w
Save
Mark Applied
Hide
Quality Assurance Engineer
Denver, Colorado, United States
$110k-$125k/yr RemoteFull Time
4+ YOE4+ years QA experience, strong test automation skills for API/backend/UI, proficiency in Python or JavaScript, CI/CD and REST testing, experience evaluating AI/LLM outputs and RAG pipelines, strong communication and analytical skills.
Python, JavaScript, CI/CD, API, REST, LLM, Retrieval-Augmented Generation (RAG)
5d
Save
Mark Applied
Hide
Staff Engineer, Revenue Cycle
Denver or Dallas or Salt Lake City or Atlanta or Miami or Seattle or Boston or Portland or Austin or Durham or Tampa or Scottsdale
$165k-$180k/yr RemoteFull Time
8+ YOE8+ years building web services or full-stack applications; strong hands-on experience with Ruby/Rails, TypeScript/Node, Python, APIs, PostgreSQL, and MongoDB; mentoring and technical leadership experience; familiarity with LLM/AI toolchains preferred.
Ruby/Rails, TypeScript/Node, Python, MongoDB, PostgreSQL, RESTful, gRPC, Gemini, ChatGPT, Claude, GitHub Copilot, Langchain, Langgraph, LLMs
2mo
Save
Mark Applied
Hide
Engineer I - Systems - Digital Ecosystem
Broomfield, Colorado, United States
$65k-$110k/yr HybridFull Time
BS in engineering or related field required, entry-level; must be a U.S. person and able to obtain Top Secret/SCI; interest/experience in MBSE, SysML/UML, AI, scripting (Python/Java/JavaScript), data integration, and strong communication skills.
MBSE, SysML, UML, Python, Java, JavaScript, APIs
1w
Save
Mark Applied
Hide
Data Engineer
Boulder, Colorado, United States
OnsiteFull Time
5+ YOE5+ years data engineering experience, strong SQL and PostgreSQL skills, ETL/ELT and API integration experience, SnapLogic, AWS, Git, Python, Linux/MacOS scripting, bachelor's degree in a related field.
SQL, PostgreSQL, SnapLogic, GIT, AWS, python, Linux, MacOS, REST API
1mo
Save
Mark Applied
Hide
Network Engineer, Foundation & Support
Denver or Reston or Menlo Park
$162k-$227k/yr OnsiteFull Time
10+ YOE10+ years automation experience in large-scale networking, Linux and Python proficiency, knowledge of Optical/L2/L3, REST APIs, network devices, and experience leveraging AI-assisted tools; Bachelor's in CS or equivalent required.
Linux, REST APIs, Python, Claude, Copilot, Code generation models, C, C++, Go, Rust
1mo
Save
Mark Applied
Hide
Senior Storage Systems Engineer
Fort Collins, Colorado, United States
$160k-$303k/yr OnsiteFull Time
6+ YOE6+ years systems or storage development experience; expertise in Linux, C/C++, Go/Python/Bash, storage filesystems, networking, hardware, APIs, containerization, debugging, and system integration.
systemd, RHEL, Rocky, C, C++, Go, Python, Bash, RAID, ZFS, XFS, ext4, Pacemaker, Corosync, TCP/IP, Ethernet, IB, RDMA, RoCE, SAS, SCSI, NVMe, HBAs, REST, HTTPS, gRPC, Redfish, Swordfish, Docker, Podman, KVM, VMware
1mo
Save
Mark Applied
Hide
Senior Storage Systems Engineer
Fort Collins, Colorado, United States
$160k-$303k/yr OnsiteFull Time
6+ YOE6+ years systems/storage development experience; Linux (systemd, RHEL/Rocky) expertise; programming in C/C++, Go, Python, Bash; storage, networking, hardware, APIs, containerization, virtualization skills.
Linux, systemd, RHEL, Rocky, C/C++, Go, Python, Bash, RAID, ZFS, XFS, ext4, Pacemaker, Corosync, TCP/IP, Ethernet, IB, RDMA, RoCE, SAS, SCSI, NVMe, HBAs, REST/HTTPS, gRPC, Redfish, Swordfish, Docker, Podman, KVM, VMware
1mo
Save
Mark Applied
Hide
Senior Software Developer
Reston or Denver or Philadelphia
$120k-$160k/yr HybridFull Time
8+ YOEBachelor's in CS or related, 8+ years software development experience, active Top-Secret/SCI clearance (recently active), proficiency in Python and Java, Linux/Bash, RESTful APIs, databases (PostgreSQL/MongoDB), CI/CD and containerization, strong communication and systems-level experience.
Python, Java, Bash, ELK stack (Elasticsearch, Logstash, Kibana), Elasticsearch, Logstash, Kibana, PostgreSQL, MongoDB, Kubernetes, Docker, Podman, ArgoCD, GitLab, JFrog Artifactory, Bitbucket, C++, TypeScript, Perl, XML, JSON, SQL, js, Apache Web Server, Jira, Confluence, Crucible, Git, Amazon Web Services (AWS), GovCloud, Atlassian
3d
Save
Mark Applied
Hide
Controls Engineer II
Fort Collins or Cambridge
OnsiteFull Time
2+ YOEBachelor of Science in Engineering, 2+ years power generation and PLC/industrial controls experience, ability to travel internationally, valid driver’s license and passport, lift 50 lbs, strong troubleshooting and communication skills.
Modbus, DNP3, CAN 2.0A/B, J1939 CANbus, IEC 61131, Python, REST API, Codesys, ClearSCADA, PLC
3w
Save
Mark Applied
Hide
Data Engineer
Centennial, Colorado, United States
$125k-$170k/yr OnsiteFull Time
TS/SCI clearance required; experience building and maintaining end-to-end data pipelines; Python data stack experience; knowledge of APIs, relational databases, and software design patterns.
Python, Pandas, NumPy, PyTorch, Ultralytics, Docker, Dask, APIs, PyArrow, Ray, Continuous Integration/Continuous Development (CICD)