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308 sr api developer jobs at 151 companies in Ohio

2w
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API Developer
Pittsburgh or Cleveland or Dallas or Birmingham or Phoenix or Denver
OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
8+ YOE8+ years Java/J2EE experience building RESTful APIs using Spring Boot and microservices; experience with DevOps, Kafka, IBM MQ, SQL/NoSQL and cloud platforms required.
Java, J2EE, Spring Boot, Microservices, REST API, Angular, XML, JSON, Swagger, Jenkins, uDeploy, GIT, Kafka, IBM MQ, SQL, No Sql, AWS, Azure, GitHub, CI/CD, React, JavaScript, HTML, CSS, JSON Web Token (JWT), UML, XPath
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2mo
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Sr. Integration Engineer
Westerville or Mississauga or Lorain
OnsiteFull Time
Vertiv
VertivNYSE: VRT: Provides critical power and cooling for data centers.
5+ YOEBachelor's degree in CS/MIS/EE or 3 years' related experience; 5+ years IT development; 1 year integration/API experience.
Tibco, Oracle SOA, BizTalk, Oracle Integration Cloud, MuleSoft, API Gateway, Apigee, Azure API, Swagger, OpenAPI
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3mo
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Automation Developer Analyst Sr
Columbus, Ohio, United States
HybridFull Time
Huntington
HuntingtonNASDAQ: HBAN: Provides regional commercial, consumer, and mortgage banking services.
3+ YOE3+ years automation experience with Python and API testing; Bachelor’s degree in Computer Science, CIS, or engineering.
Python, Ruby, RubyMine, Ruby/Cucumber, Specflow, SQL Server, Microsoft Test Manager, SOAP UI, JMeter, HTML, JavaScript
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3d
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Product Developer, Sr
Solon, Ohio, United States
HybridFull Time
Epicor
Epicor: Provides industry-specific enterprise software for manufacturing and distribution.
5+ YOE5+ years of software development experience; expertise in React, Python, Django, SQL, APIs, full-stack development, architecture, testing, security, and performance optimization; bachelor's degree or equivalent experience.
React, Angular, Python, Django, SQL, RESTful APIs, GitHub Copilot, Codex, Claude
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1w
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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
Green Dot
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
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
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1mo
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Sr. Software Engineer
Gurugram or United States or California or Colorado or Connecticut or Maryland or Nevada or New Jersey or New York or Ohio or Rhode Island or Washington
RemoteFull Time
Alkami
AlkamiNASDAQ: ALKT: Cloud-based digital banking solutions for banks and credit unions.
5+ YOE5+ years software development experience (or 3+ with advanced degree); strong Java or C# skills; full-stack experience with React/Angular, HTML/CSS, cloud-native architectures, AWS/Kubernetes, SQL/NoSQL, REST APIs, monitoring/OpenTelemetry; on-call and mentoring experience.
Java, C#, JavaScript, React, Angular, HTML, CSS, SQL, NoSQL, Amazon Web Services (AWS), Kubernetes, OpenTelemetry, Flutter, REST API
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1mo
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Sr. Software Developer
Orange or Arizona or California or Florida or Maryland or Maine or Michigan or Missouri or North Carolina or Nevada or New York or Ohio or Oklahoma or Oregon or South Carolina or Texas or Utah or Washington or Wyoming
$120k-$145k/yr RemoteFull Time
Aeries Software
Aeries Software: Provides student information management software for K-12 school districts.
7+ YOE7+ years professional software development with Microsoft .NET stack, experience with React/TypeScript, RESTful API design, Playwright, cloud deployments (AWS preferred), practical use of Claude or similar LLM agent tools, and demonstrated technical leadership.
ASP.NET WebForms, React, TypeScript, C#, .NET Web API, RESTful API, Claude, Redux Toolkit, Zustand, Playwright, CI/CD, Azure DevOps, AWS, ECS, Lambda, Step Functions, Bedrock, Azure, GCP
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1w
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Sr Applications Developer Team Lead
Strongsville, Ohio, United States
OnsiteFull Time
Foundation Software
Foundation Software: Provides construction accounting and project management software for contractors.
5+ YOEBachelor's in computer science or business information systems, 5+ years development experience, proficiency in C#, .NET, Vue.js, Visual Studio, Microsoft SQL Server, Entity Framework, and LINQ; leadership and architecture experience.
C#, .NET, Vue.js, Visual Studio, Microsoft SQL Server, Entity Framework, LINQ, MVC, Web API, Xamarin, React.js, Angular.js
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2w
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Staff Engineer II - MuleSoft API Development
Dallas or Columbus
OnsiteFull Time
Western Alliance Bank
Western Alliance BankNYSE: WAL: National commercial bank providing specialized financial and business solutions.
7+ YOE7+ years IT experience, Bachelor's in CS or related, 3–5 years MuleSoft Anypoint Platform experience, Azure DevOps CI/CD, API governance, OAuth 2.0/JWT/mTLS knowledge, strong communication and leadership.
MuleSoft Anypoint Platform, MuleSoft API Manager, Runtime Manager, Exchange, CloudHub, Azure DevOps, OAuth 2.0, JWT, mTLS, FDX
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3w
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Sr. Software Engineer I, Evaluation Services
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Wisconsin or District of Columbia
$125k-$175k/yr HybridFull Time
NinjaTrader
NinjaTrader: Provides futures brokerage services and a trading software platform.
5+ YOE5+ years software engineering with API development and partner integrations; strong REST/WebSocket/JSON/OAuth skills; proficiency in TypeScript/JavaScript or Python; excellent troubleshooting and communication.
REST APIs, WebSockets, JSON, OAuth, Postman, curl, browser developer tools, network analyzers, TypeScript, JavaScript, Python, React, Node.js, Swagger/OpenAPI, ReadMe
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1mo
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Sr. Front-End & Mobile Developer (REMOTE)
Akron or Irving
$100k-$125k/yr RemoteFull Time
Signet Jewelers
Signet JewelersNYSE: SIG: Global retailer of diamond jewelry and professional jewelry services.
5+ YOEBachelor's degree, 5+ years front-end and mobile development experience with React/Angular, React Native/Capacitor, iOS, TypeScript/JavaScript, RESTful APIs, Git/GitHub/Azure DevOps, and testing frameworks.
React, React Native, Angular, JavaScript, TypeScript, HTML5, CSS/SCSS, Capacitor, Ionic, iOS, RESTful APIs, JSON, Git, GitHub, Microsoft Azure DevOps, Jest, React Testing Library, Cypress, Playwright, AWS, Microsoft Azure, WCAG
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3w
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Sr. Forward Deployed Engineer
Milford, Ohio, United States
$150k-$175k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
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
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2mo
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Software Engineer and Developer
Beavercreek, Ohio, United States
OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
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
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1mo
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Sr. Software Engineer
Highland Heights, Ohio, United States
OnsiteFull Time
Park Place Technologies
Park Place Technologies: Provides data center hardware maintenance and IT infrastructure managed services.
7+ YOE7+ years application development experience with .NET/C#, Angular, SQL; experience with Visual Studio, GIT, Azure DevOps; strong communication, mentoring, code review, and SDLC skills.
Visual Studio, GIT, Azure DevOps, .NET Framework, .NET Core, Angular, C#, JSON, SCSS/SASS, SQL, Test Driven Development, Unit Testing, Typescript, ES6, Web API, Rest, Agile Methodology, Asynchronous Programming, Azure Data Bricks, Azure Data Factory, Azure Functions, Azure Logic Apps, Azure PAAS (platform as a service), Browser Compatibility Testing, Cosmos DB, CQRS Pattern, Dependency Injection, Entity Framework, LINQ, MicroServices, OData, Python
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1mo
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Sr Engineer, Business Systems
California or Colorado or Florida or Georgia or Illinois or Maryland or Minnesota or North Carolina or New York or Ohio or Oklahoma or Pennsylvania or Tennessee or Texas or Virginia or Washington or West Virginia or Arizona or Delaware or Kentucky or Michigan or New Hampshire or Nevada
$88k-$110k/yr RemoteFull Time
Accurate Background
Accurate Background: Provides employment background screening and drug testing services.
5+ YOE5+ years supporting enterprise business systems with strong Salesforce Sales Cloud/Service Cloud experience, Apex and automation, API integrations, troubleshooting, and focus on usability and documentation.
Salesforce Sales Cloud, Salesforce Service Cloud, Apex, APIs
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1mo
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Software Engineer Sr-1 - ALM Technology
Pittsburgh or Cleveland
$86k-$173k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
8+ YOE8+ years overall experience (5+ years in relevant technical areas). Strong Java/J2EE and JavaScript framework experience (Angular preferred). Experience with REST APIs, containerization, CI/CD, relational databases; banking/regulatory reporting experience preferred.
Angular, React, Ag-Grid, Axios, Material UI, Java, J2EE, Spring Boot, JSP, Servlets, JSF, Mockito, TestNG, Spock, Groovy, Gradle, Jenkins, Docker, JDK 17, GitHub, Kubernetes, OpenShift, Helm Charts, Oracle, Teradata, Python, FastAPI, Flask, MongoDB, Cassandra
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3d
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Senior Java Developer - Senior Software Engineer
Chicago or Dallas or Columbus or Atlanta or Nashville or Irving
$73k-$174k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
10+ YOE10+ years of software development experience with Java 17+, Spring Boot, REST APIs, microservices, Docker, Kubernetes/OpenShift, CI/CD, Kafka, automated testing, and cloud integrations.
Java, Spring Boot, REST API, Docker, Kubernetes, OpenShift, CI/CD, Kafka, GitHub Actions, OAuth2, JWT, TLS, mTLS, Dynatrace, Splunk, OpenTelemetry
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2d
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Sr Lead Infrastructure Engineer / Platform Engineer
Plano or Columbus
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOERequires infrastructure engineering training or certification, 5+ years applied experience, and 7+ years with C#, .NET, and PowerShell. Requires Windows automation, REST APIs, databases, cloud infrastructure, AI tools, and system integration expertise.
C#, .NET, PowerShell, VS Code, GitHub Copilot, Claude Code, LLM, React, MCP (Model Context Protocol), REST API
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2mo
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Senior Manager, Developer
Cincinnati, Ohio, United States
HybridFull Time
CostQuest Associates
CostQuest Associates: Provides economic modeling and valuation for broadband infrastructure projects.
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
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3w
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Sr. Quality Engineer
United States or Alabama or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kansas or Louisiana or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Mississippi or North Carolina or Nebraska or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Wyoming
$120k-$130k/yr RemoteFull Time
Storable
Storable: Provides technology platform for storage and specialty real estate operators.
5+ YOE5+ years QA/quality engineering experience, strong test strategy, API and data validation, SQL, CI/CD familiarity, test automation experience, and practical use of AI-assisted tools.
Cypress, Selenium, TestNG, Cucumber/Gherkin, SQL, GitHub, GitLab, Jira, Confluence, Node.js, TypeScript, JavaScript, Codex, Claude Code, Cursor, GitHub Copilot, ChatGPT
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