60 sr api developer jobs at 42 companies in York, PA
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API Technical Lead
Baltimore, Maryland, United States
OnsiteFull Time
Design and implement FHIR/HL7 APIs and enterprise integration solutions, guide architecture and standards, mentor teams, and ensure scalable, secure interoperability.
FHIR, HL7, HL7v2, X12, JSON, XML, AWS, SOA
1mo
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Sr Aderant Engineer
Reston or San Diego or San Francisco or Washington or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami
$113k-$179k/yr HybridFull Time
5+ YOE5+ years supporting Aderant Expert and enterprise financial/practice management systems, strong backend development and SQL skills, experience with integrations/APIs, bachelor's in CS/IT, analytical and troubleshooting ability.
Aderant Expert, SQL, APIs
1w
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Sr. Full Stack Engineer
Baltimore, Maryland, United States
$135k-$186k/yr RemoteFull Time
8+ YOE8+ years relevant experience (or 6+ with Master’s) building full-stack web apps with SQL and Python, AWS deployment/monitoring, RESTful APIs, CI/CD, and secure coding; must be U.S. eligible for Public Trust.
SQL, Python, AWS, PostgreSQL, Aurora, S3, Secrets Manager, SSM, Jenkins, AWS CloudWatch, Splunk, RESTful APIs
3w
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Sr. Software Engineer (TS/SCI)
Hampton or Annapolis Junction or Alexandria or Chantilly or Washington or Reston or McLean or Herndon or Bethesda or Catonsville or Frederick or Ashburn
$144k-$268k/yr HybridFull Time
4+ YOEU.S. citizen with TS/SCI clearance (or immediate DISS eligibility), Bachelor’s degree, 4+ years Python or Java, hybrid cloud/app development, databases, ETL, algorithm design, CI/CD and stakeholder interfacing.
Python, Java, MongoDB, Celery, Azure DevOps, Jenkins, React.js, Node.js, Web API, IBM CPLEX, Gurobi, SPSS, SAS, R, PyCharm, VS Code, Jupyter Notebooks, Pandas, NumPy, Dask, Matplotlib, Seaborn, Plotly, Git, GitHub, GitLab, Docker, Podman
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Software Engineer
Hunt Valley, Maryland, United States
$86k-$115k/yr HybridFull Time
5+ YOEBachelor's degree in computer science or related field, 5+ years software engineering experience, API and full-stack development experience, familiarity with Agile, testing, and cloud paradigms.
.NET (C#), SQL, HTML, CSS, JavaScript, NodeJS, Angular, React, Vue, Azure DevOps, Git, MS SQL Server, Typescript, REST API, HTTP, Java
2d
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Full Stack Engineer
Boston or Woodlawn or Dallas
$97k-$133k/yr HybridFull Time
1+ YOERequires one year of specialized experience equivalent to GS-11 developing APIs, software applications, and system integrations; collaborating across teams; and demonstrating core IT competencies.
HTML5, CSS3, JavaScript, MySQL, PostgreSQL, MongoDB, Application Programming Interfaces (APIs), USAJOBS, USA Hire, Microsoft Outlook
1w
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Salesforce Developer
United States or Baltimore or Washington
$110k-$130k/yr RemoteFull Time
6+ YOEUS citizen or permanent resident with public trust eligibility, 6+ years software development, 5+ years Salesforce hands-on experience, Apex/Visualforce/Lightning, API and MuleSoft integrations, CI/CD and DevOps experience.
SOAP, REST, MuleSoft, Apex, Visualforce, Lightning Components, Force.com, Service Cloud, Community Cloud, App Cloud, Ajax, JavaScript, Angular JS, Bootstrap, ANT, GitHub, DevOps CI/CD Pipelines, Jenkins, Azure DevOps, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
1mo
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Sr Full Stack Software Engineer
Chicago or Washington or Baltimore or Louisville or Dallas or Frisco or Kentucky
$107k-$147k/yr RemoteFull Time
4+ YOEBachelor's in CS or equivalent, 4+ years software engineering including Python, 2+ years with Angular/React/Vue or Java/Node.js, cloud and microservices experience, REST API and testing skills.
Java, JavaScript, HTML, PHP, C#, Python, Angular, React, Vue.js, Node.js, Microsoft Azure, AWS, Google Cloud Platform (GCP), Kubernetes, REST APIs, SASS, W3C Web Standards
2mo
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SAP Convergent Charging (CC) Developer
Middletown, Pennsylvania, United States
OnsiteContract
7+ YOE7+ years SAP development experience with 3+ years in SAP Convergent Charging, strong billing/charging and integration skills, Java/SQL/API experience, SAP BRIM/S4HANA knowledge, and relevant SAP/cloud certifications or equivalent degree.
SAP BRIM, Microsoft Dynamics CE, SAP Convergent Charging (CC), SAP Convergent Invoicing (CI), SAP Subscription Order Management (SOM), SAP FI-CA, SAP S/4HANA, SAP BTP, SAP Integration Suite, SAP HANA, ABAP, Java, SQL, APIs, CI/CD
2mo
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Senior Integrations Engineer
Baltimore or Seattle
$150k-$185k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience building and shipping production integrations; strong API experience (REST, webhooks, OAuth); enterprise MarTech implementation experience; strong communication and ownership.
APIs, REST, webhooks, OAuth, Braze, Salesforce Marketing Cloud, Adobe Experience Platform, Contentful, AEM
1w
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Applied AI Engineer
Batavia or Buffalo or Wyomissing or Rochester or Ithaca
$105k-$145k/yr HybridFull Time
5+ YOEBachelor's degree and 5+ years in software engineering, data science, or applied AI; proficiency in Python and APIs; experience with LLMs, MLOps, cloud AI services; production deployment and governance knowledge.
Python, APIs, Azure, AWS, Google Cloud Platform, Azure Machine Learning, MLflow, Databricks, SageMaker, Vertex AI, Microsoft Foundry, Azure OpenAI, Copilot Studio
2w
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Senior Software Engineer (Android)
Owings Mills, Maryland, United States
$121k-$206k/yr HybridFull Time
5+ YOE5+ years Android/native mobile development, proficiency with Android SDK,Kotlin,Coroutines,Jetpack Compose,MVVM,RESTful APIs/JSON,CI/CD, automated testing; bachelor’s/masters or equivalent experience.
Android SDK, Kotlin, Coroutines, Jetpack Compose, MVVM, RESTful APIs, JSON, Kiro CLI / IDE, Amazon Bedrock, AgentCore
1mo
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Full Stack Developer
Baltimore, Maryland, United States
$120k-$165k/yr OnsiteFull Time
5+ YOEBachelor's in a technical field,5+ years developing data-driven applications with C#,ASP.NET Core/MVC,Entity Framework and SQL Server; experience with web technologies, testing, CI, security, and mentoring;US citizenship required.
C#, ASP.NET Core, ASP.NET MVC, Entity Framework, SQL Server, HTML, CSS, Bootstrap, JavaScript, Angular, React, Vue, REST API, Microsoft Azure, Microsoft SharePoint, Microsoft Team Foundation Server, Microsoft Azure DevOps, Web Content Accessibility Guidelines (WCAG)
1mo
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Senior Software Engineer - Personal Insurance
Hartford or Atlanta or St. Paul or Hunt Valley
$139k-$230k/yr HybridFull Time
6+ YOEBachelor's in CS or related STEM and 6+ years software engineering experience; Salesforce development preferred (Apex, LWC, APIs); experience with database design, CI/CD, cloud platforms, Agile, and technical leadership.
Salesforce, Apex, Lightning Web Components, Salesforce APIs, AWS, Azure, CI/CD, DevOps, Agile
2mo
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Lead Software Engineer - Facets ITS Claims (Remote)
Baltimore, Maryland, United States
$115k-$229k/yr RemoteFull Time
8+ YOELead software teams; 8+ yrs exp; Facets ITS, API/microservices; cloud; BS in IT/CS or 4 yrs additional experience.
Facets, FXI, APIs, Java, JavaScript, Python, IBM MQ, AWS, Azure, Oracle, SQL Server, MongoDB, PostgreSQL, CI/CD, Microservices
3mo
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Sr. Full Stack .NET Software Engineer (IT@JH University Information Systems)
Baltimore, Maryland, United States
$86k-$150k/yr RemoteFull Time
6+ YOEBachelor's in a related field and 6+ years related experience; strong Microsoft .NET/C#, SQL, Git, Windows/Linux/Docker skills; experience with web frameworks (Vue.JS), cloud (AWS/Azure), testing, documentation, and mentoring/leading junior staff.
Microsoft .NET, C#, SQL, Git, Gitflow, Microsoft Windows, Linux, Docker, Vue.JS, JavaScript, AWS, Azure, XML, XSL, JSON, HTML, CSS, SQL Reporting Service, .NET Framework, .NET Core, ASP.NET, ASP.NET MVC, Web API, VB.NET, T-SQL, AI coding agents
1mo
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Senior Drupal Developer, (Senior Consultant, Engineering & Technical Services)
Baltimore or Alabama or California or Delaware or District of Columbia or Florida or Georgia or Maryland or New Jersey or New York or North Carolina or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or West Virginia
$121k-$140k/yr RemoteFull Time
7+ YOE7+ years developing Drupal (9/10/11), strong PHP/Twig/JavaScript skills, REST API integration, cloud and CI/CD experience, accessibility and security best practices, ability to obtain Public Trust clearance, Bachelor's degree or equivalent.
Drupal, PHP, Twig, JavaScript, Composer, RESTful APIs, CI/CD, AWS, cloud.gov, AWS GovCloud, Acquia
2mo
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Senior Mobile Engineer
Baltimore, Maryland, United States
$140k-$150k/yr OnsiteFull Time
5+ YOE5+ years professional software engineering; 3+ years building production React Native mobile apps; strong JavaScript and TypeScript skills; iOS and Android experience; REST API integration; state management and CI/CD familiarity; strong communication.
React Native, JavaScript, TypeScript, Redux, Context API, Git, CI/CD, Expo, AWS
3w
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Microsoft Dynamics Developer
Bethesda or Silver Spring
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years configuring Dynamics 365 Customer Service/Omnichannel and Power Platform (Dataverse, Power Pages, Power Automate); experience with routing, agent workspace, CRM workflows, and stakeholder requirements; bachelor’s degree.
Microsoft Dynamics 365 Customer Service, Omnichannel, Dataverse, Power Platform, Power Pages, Power Automate, Copilot Studio, JavaScript, API
1mo
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Software Developer
Mechanicsburg, Pennsylvania, United States
$70k-$80k/yr OnsiteContract, Full Time
5+ YOE5+ years relevant experience; expertise with low-code/no-code platforms, BPMN, APIs, Appian/Salesforce/Nintex, Microsoft .NET and SQL Server; agile experience; favorable Tier 3 background investigation required.
Java, HTML, Microsoft .NET, AngularJS, JavaScript, SOAP, REST API, Appian, Salesforce, Nintex, SQL Server, BPMN