41 sr api developer jobs at 23 companies in Xenia, OH
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Sr. Engineer, Software Development
New York City or Birmingham or Miami or Tampa or Blue Ash or Cincinnati or Los Angeles or San Francisco
$121k-$173k/yr HybridFull Time
5+ YOE5+ years software engineering experience with secure API/microservice development, cloud (Azure) and observability; 1+ year technical leadership; fintech or BaaS experience preferred.
C#, .NET, SQL, APIM, Azure SQL, Cosmos DB, Key Vault, Service Bus, Event Hubs, Datadog, Grafana, Git, OAuth2, Open API
3w
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Sr. Forward Deployed Engineer
Milford, Ohio, United States
$150k-$175k/yr OnsiteFull Time
5+ YOE5+ years experience with 3+ years in AI; strong engineering skills building prototypes using Gemini APIs, Vertex AI, and Google Cloud; bachelor's in engineering or CS; strong communication and prompt engineering skills.
Gemini APIs, Vertex AI, Google Cloud, Google Gemini ADK, Google API
2mo
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Software Engineer and Developer
Beavercreek, Ohio, United States
OnsiteFull Time
4+ YOE4+ years software engineering; Python; AWS; NoSQL databases; API development; TS/SCI clearance; BS or MS with related experience.
Python, AWS, NoSQL, Docker, PyTorch, TensorFlow, API development
2mo
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Software Engineer II
Columbus or Hamilton
OnsiteFull Time
5+ YOE5+ years software development experience, bachelor’s degree preferred, backend and full-stack development, REST API design, SQL proficiency, Git and containerized workflows, mentorship experience.
Go (Golang), Angular, TypeScript, Microsoft SQL Server, Docker, Kubernetes, Docker Swarm, RabbitMQ, Redis, Datadog, Prometheus, Grafana, GitHub Actions, OpenAPI/Swagger, Git, SQL
2mo
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Software Engineer II
Columbus or Hamilton
OnsiteFull Time
5+ YOEBachelor's degree preferred or equivalent experience, 5+ years software development, experience mentoring engineers, backend and full-stack development, REST API design, SQL, Git, and containerized environments.
Go (Golang), Angular, TypeScript, Microsoft SQL Server, SQL, Docker, Docker Swarm, Kubernetes, RabbitMQ, Redis, Datadog, Prometheus, Grafana, GitHub Actions, OpenAPI/Swagger, Git, RESTful APIs
2mo
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Salesforce Developer Technical Lead
West Chester, Ohio, United States
OnsiteFull Time
5+ YOE5+ years Salesforce development with Apex, LWC, Visualforce; Platform Developer I required (PDII preferred); experience rebuilding/customizing CPQ, middleware integration (Dell Boomi/MuleSoft/Informatica), REST/SOAP APIs, and enterprise data patterns.
Apex, Visualforce, Lightning Web Components, SOQL, SOSL, Salesforce CPQ, Salesforce Flow, Dell Boomi, MuleSoft, Informatica, REST, SOAP, Salesforce Connect, ServiceMax, Oracle EBS R12, Oracle SOA Suite, Marketo, Conga Composer, Conga Sign
1w
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GoLang Backend Developer
Mason or Woodland Hills
OnsiteContract
12+ YOEStrong Go (Golang) backend development with microservices, RESTful APIs, Docker/Kubernetes, SQL/NoSQL, cloud platforms, CI/CD, unit testing, distributed systems, messaging, IaC (preferred), and security best practices.
Go (Golang), Docker, Kubernetes, PostgreSQL, MySQL, MongoDB, DynamoDB, AWS, Azure, GCP, Git, CI/CD, Terraform, Helm, Kafka, RabbitMQ
4d
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Information Security Sr Advisor - Automation Engineer
Atlanta or Mason or Indianapolis or Grand Prairie or Louisville
HybridFull Time
8+ YOEBS/BA and minimum 8 years in systems administration/information security; experience with cloud-native automation, access management, cryptography, APIs, containers, CI/CD, and secure development; CISSP preferred.
Python, Java, Go, REST APIs, AWS, EKS, IAM, Docker, Kubernetes, GitHub Actions, Jenkins, GitLab CI, Terraform, ServiceNow, Kafka, SNS, SQS
1mo
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Senior Software Developer/Engineer
Sharonville, Ohio, United States
HybridFull Time
5+ YOEBachelors (or equivalent) and 5+ years Java and Spring Boot experience building microservices, REST APIs, messaging (Kafka/RabbitMQ), connectors/integrations, CI/CD, Docker/Kubernetes, and Agile/SAFe participation.
Java, Spring Boot, Spring, Angular, React, Vue, SQL, NoSQL, Kafka, RabbitMQ, Camunda, Docker, Kubernetes, Git, CI/CD
2mo
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Software Engineer II
Columbus or Hamilton
OnsiteFull Time
5+ YOE5+ years software development; bachelor's in CS or equivalent; mentorship experience; backend and full-stack skills; REST API, SQL, Git, containers, and CI/CD experience.
Git, Go (Golang), Angular, TypeScript, Microsoft SQL Server, Docker, Docker Swarm, Kubernetes, RabbitMQ, Redis, Datadog, Prometheus, Grafana, GitHub Actions, OpenAPI/Swagger
2d
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Principal Software Engineer
Colorado Springs or Dayton or Herndon
$175k-$200k/yr HybridFull Time
Software development experience with Unix/Linux, microservices, messaging, REST APIs, Agile/DevOps, Python, Java, JavaScript/React, and Cucumber; ability to obtain and maintain Top Secret clearance.
Unix, Linux, RabbitMQ, REST APIs, Agile, DevOps, Python, Java, JavaScript, React, Cucumber, CI/CD, GitHub, GitLab, Jira, Sphinx, NASA GMAT
1mo
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Senior Software Engineer
Arlington or Woburn or Carlsbad or Aurora or Boston or Dayton or Melbourne
$140k-$170k/yr HybridFull Time
5+ YOEProven Java and Spring development experience, microservices and API design, containerized infrastructure (Docker/Kubernetes), experience with Kafka/NATS and GitLab, Python for AI/data integration, and ability to obtain Top Secret clearance.
Java, Spring Boot, Linux, Docker, Kubernetes, Kafka, NATS, GitLab, Python
1w
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AI Full Stack Developer
Dayton, Ohio, United States
$63k-$130k/yr OnsiteFull Time
Advanced Python backend and API development, frontend frameworks, relational and vector databases, RAG/LLM integration, containerization and Git; NACI clearance required.
Python, FastAPI, Flask, React, Vue, Streamlit, PostgreSQL, pgvector, Milvus, Chroma, Docker, Podman, Git, Hugging Face, Llama 3, Mistral, vLLM, llama.cpp, GGUF, LangChain, LlamaIndex
1mo
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Full stack Software Engineer, Senior
Dayton, Ohio, United States
$87k-$198k/yr OnsiteFull Time
6+ YOE6+ years full‑stack software engineering experience; active TS/SCI clearance and willingness to take a polygraph; proficiency with Python, C++, Java/Spring Boot, AWS, Kubernetes, containerization, APIs, and databases; Bachelor’s degree in a STEM field required.
Python, C++, Java, Spring Boot, AWS, Kubernetes, Docker, GitLab CI/CD, Kafka, NiFi, Elasticsearch, OpenSearch, Solr, PostgreSQL, DynamoDB, MongoDB, SQLite, REST, gRPC, GraphQL, Terraform, CloudFormation, FastAPT, Codex, Claude Code, OpenCode, LLMs, AI
2w
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Senior Applications Engineer
Marysville, Ohio, United States
HybridFull Time
7+ YOEBachelor's degree in CS/IS/engineering,7+ years in application engineering or integration,knowledge of APIs/Webhooks,ERP/WMS/TMS/EDI,hybrid SaaS/on-prem systems,and legacy modernization;strong problem-solving and communication.
APIs, Webhooks, ERP, WMS, TMS, EDI, SaaS
2w
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Senior Applications Engineer
Marysville, Ohio, United States
HybridFull Time
7+ YOEBachelor's in CS/IS/Engineering,7+ years application/integration experience in manufacturing supply chains, expertise with APIs/Webhooks, ERP/WMS/TMS/EDI, hybrid cloud/on-prem systems, strong problem-solving and communication.
APIs, Webhooks, Enterprise Resource Planning (ERP), Warehouse Management Systems (WMS), Transportation Management Systems (TMS), EDI
3w
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IT Systems Engineer
Cincinnati, Ohio, United States
OnsiteFull Time
7+ YOE7+ years infrastructure experience with Windows Server, VMware, SAN, backup; 3+ years IAM (Entra ID/SSO/MFA) and cloud (Azure/AWS) experience; PowerShell and API automation; strong networking and troubleshooting skills.
Windows Server, Active Directory, Microsoft 365, Group Policy, VMware, SAN, backup and recovery, Azure, AWS, Entra ID, SQL Server, PowerShell, APIs
3w
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VP, Staff Cryptography Engineer
Alpharetta or Orlando or Chicago or Costa Mesa or Orlando or New York City or New York City or Charlotte or Stamford or Alpharetta or West Chester
$135k-$230k/yr HybridFull Time
5+ YOE3+ MgmtBachelor's or equivalent with 5+ years experience; 3+ years in cloud, cryptography, and DevSecOps; experience with PKI, key/secrets management, API security, and regulatory frameworks; strong communication and leadership skills.
API, AWS Certificate Manager, KMS, Private CA, Secrets Manager, Azure Key Vault, Cloudera, Cloudbees/Jenkins, CI/CD, GCP Cloud KMS, GCP Secret Manager, Git/Github, Go, HashiCorp Vault, Java, Linux, Perl, PKI, Python, Terraform
2mo
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Engineer Principal – Systems – Sensor Model Development
Fairborn, Ohio, United States
$107k-$183k/yr OnsiteFull Time
6+ YOEBachelor's in engineering or related field plus 6+ years experience, active or obtainable Top Secret/TS-SCI clearance, ML model development and validation experience, Python and ML library proficiency, and strong analytic and communication skills.
Python, scikit-learn, TensorFlow, PyTorch, Docker, Git, API, MBSE
2w
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Senior Integration Engineer
Hilliard, Ohio, United States
HybridFull Time
7+ YOE7+ years building enterprise integrations, APIs, microservices, event-driven solutions; strong troubleshooting, security, CI/CD and collaboration skills.
REST APIs, MuleSoft, Azure Integration Services, Boomi, Informatica, Kafka, Confluent, SAP Integration Suite, CI/CD