28 sr api developer jobs at 7 companies in Mansfield, OH

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
3d
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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
2mo
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Sr Instrument Engineer
Oregon, Ohio, United States
OnsiteFull Time
PBF Energy
PBF EnergyNYSE: PBF: Refines petroleum and supplies transportation fuels and petrochemical products.
5+ YOEBachelor’s degree in Electrical Engineering; 5+ years instrumentation and control systems experience; refinery experience preferred; knowledge of control valve sizing, sensors, PLC/HMI; NEC/NFPA/API knowledge; strong multitasking and teamwork skills.
PLC, HMI, Electrical Schematics, Control valves, Instrumentation
3mo
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
1mo
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Software Developer- (Integration, Mobile & Web Dev)
Columbus, Ohio, United States
HybridFull Time
Worthington Enterprises
Worthington EnterprisesNYSE: WOR: Manufactures pressure cylinders, steel products, and building materials.
5+ YOEBachelor's degree in CS/IT, 5+ years software development experience, web and mobile development, REST API and enterprise integrations, React/React Native, JavaScript/TypeScript, Python, Git, and SDLC experience.
React JS, React Native, Expo Framework, JavaScript, TypeScript, HTML5, CSS3, Python, Git, Visual Studio Code, Oracle Fusion, Oracle Integration Cloud (OIC), Jenkins, GitHub, CI/CD, GitHub Copilot, OpenAI Codex, ChatGPT APIs, Salesforce Apex, Lightning Web Components
2d
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Senior Systems Engineer
New Albany, Ohio, United States
$130k-$175k/yr OnsiteFull Time
Reveleer
Reveleer: Provides software and services for healthcare value-based care.
5+ YOERequires 5+ years in systems engineering or administration, hybrid cloud ownership, AI or LLM workflow implementation, MCP and REST API integration, Microsoft 365, Azure, endpoint management, networking, and regulated healthcare IT experience.
macOS, Windows 10/11, Windows Server, Azure AD, Entra ID, Conditional Access, Azure AD Domain Services, Group Policy, Microsoft 365, Exchange Online, Microsoft SharePoint, OneDrive, Microsoft Teams, Microsoft Intune, Jamf Pro, Azure, VPN, firewalls, DNS, DHCP, VLANs, EDR, XDR, Model Context Protocol (MCP), REST, GraphQL, Python, PowerShell, LangChain, AutoGen, Terraform, Bicep, GitOps, CI/CD, containers
3w
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Head of Strategic Partnerships
Dallas or Memphis or Lawrenceville or Ashley
RemoteFull Time
First Acceptance
First AcceptanceOTCQX: FACO: Provider of non-standard personal automobile insurance coverage
8+ YOEBachelor's required (MBA preferred),8+ years in business development/partnerships within P&C insurance (nonstandard auto preferred),strong negotiation, financial modeling, Excel, analytical and relationship management skills; ability to travel 30-50% and maintain acceptable driving record.
Microsoft Excel, API, BI/reporting tools, policy administration systems, quoting/rating systems, agency management systems
3w
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Head of Strategic Partnerships
Dallas or Memphis or Lawrenceville or Ashley
RemoteFull Time
First Acceptance Corporation
First Acceptance CorporationOTCQX: FACO: Underwrites and sells non-standard personal automobile and renters insurance.
8+ YOEBachelor's required (MBA preferred),8+ years in P&C insurance partnerships or distribution leadership, experience with MGAs/brokers/Insurtechs, strong negotiation and financial modeling skills, acceptable driving record, ability to travel 30–50%.
Microsoft Excel, API