80 sr api developer jobs at 39 companies in Fairfield, 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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Senior Manager, Developer
Cincinnati, Ohio, United States
HybridFull Time
Leads a development team; hands-on in web apps, APIs, and databases; strong JS, Python, SQL; cloud (AWS/Azure); PostgreSQL; TypeScript; guide architecture and standards.
JavaScript, Python, SQL, TypeScript, PostgreSQL, AWS, Azure, Containerization, APIs, Git
1mo
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Digital Delivery Application Developer (LSNA-OH)
Cincinnati, Ohio, United States
$75k-$130k/yr HybridFull Time
5+ YOE5+ years experience in database and web application development with Microsoft SQL and PostgreSQL, Web API, C#/WPF/Win Forms; EPCM experience, Autodesk and SmartPlant API experience, requirement authoring, and AI use in development.
Microsoft SQL, PostgreSQL, Web API, Win Forms, WPF, C#, XAML, Autodesk APIs, AutoCAD, Revit, Plant 3D, Smart Plant APIs, .NET, DevOps
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Automation Engineer 3
Columbus or Cincinnati or Detroit or Cleveland or Akron
$70k-$154k/yr HybridFull Time
5+ YOEDesign and deliver enterprise automation solutions using Microsoft Power Platform, Copilot Studio, Dataverse, APIs and Azure; 5+ years automation/AI development and a bachelor’s degree required.
Microsoft Power Platform, Microsoft Copilot Studio, Dataverse, APIs, SQL, JSON, Microsoft SharePoint, Microsoft Teams, Azure Logic Apps, Azure Functions, Power Fx, JavaScript, PowerShell, C#, AI Builder, Azure OpenAI, AWS
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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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
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
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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
2d
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[US] Software Engineer III
Cincinnati, Ohio, United States
HybridFull Time
4+ YOERequires a bachelor's degree or equivalent experience and 4–6+ years of software development experience with Node.js, React, Flutter, APIs, databases, Git, testing, and AI-assisted development.
Node.js, React.js, Flutter, Dart, Git, Express.js, Fastify, Redux, Context API, GitHub Copilot, Claude Code, Cursor, AWS Bedrock, Docker, AWS, GraphQL, SQL, NoSQL, CI/CD
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 Salesforce Developer
Bethesda or Cincinnati or United States
$120k-$130k/yr RemoteFull Time
8+ YOE8+ years Salesforce administration, 5+ years Salesforce development (Apex, Visualforce, LWC, APIs), 3+ years Certinia administration, experience with integrations, security, SQL, reporting; Bachelor’s degree or equivalent; willing to transition from remote to hybrid in Cincinnati, OH.
Salesforce, Certinia (FinancialForce), Apex, Visualforce, Lightning Web Components, Salesforce APIs, Sales Cloud, Service Cloud, SQL
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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
1d
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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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Lead Software Engineer
Cincinnati, Ohio, United States
OnsiteFull Time
5+ YOEBachelor's in Computer Science, 5+ years C# development in SDLC enterprise settings, experience with Angular, REST/APIs, SQL/NoSQL, Entity Framework, Azure preferred, strong communication and analytical skills.
C#, SQL, Entity Framework, Angular, ASP.NET, HTML5, CSS3, GitHub, Azure, REST, Microservices, Webservices, NoSQL, Infrastructure-as-code (IaC)
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
4d
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Knowledge Engineer Manager - Back-end Engineer
Seattle or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
5+ YOEMinimum 5 years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, and REST API development; bachelor's degree or equivalent experience required.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL APIs, D3.js, Cytoscape.js, Terraform
2mo
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Senior Data Engineer
Cincinnati, Ohio, United States
OnsiteFull Time
5+ YOEBachelor's in Computer Science/Data Science or related, 5+ years data engineering, experience with Snowflake, ANSI SQL, SQL Server/T-SQL, ETL/ELT (dbt, Fivetran, Azure Data Factory, SSIS), Microsoft Power BI; Python, REST API, C#, Azure preferred.
Snowflake, ANSI SQL, Microsoft SQL Server, T-SQL, dbt, Fivetran, Microsoft Azure Data Factory, SSIS, Microsoft Power BI, Python, REST API, C#, Microsoft Azure