378 api developer jobs at 172 companies in Yardley, PA

2mo
Save
Mark Applied
Hide
Senior API Engineer - Advisor I
Alpharetta or Omaha or Berkeley Heights
$90k-$158k/yr OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
8+ YOE8+ years in Java/J2EE engineering, RESTful APIs, Spring, Azure, cloud–native services, CI/CD, DevSecOps, and cloud platforms; experience with relational/non-relational databases and messaging systems.
Java, J2EE, Spring, Spring Boot, REST API, Azure, OpenShift, PCF, Kafka, MQ, ESB, SQL, NoSQL, Splunk, CI/CD, DevSecOps
3w
Save
Mark Applied
Hide
Python API Developer
Malvern, Pennsylvania, United States
$110k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
10+ YOEDesign and maintain REST APIs with Python and AWS Lambda; integrate with Amazon Aurora and DynamoDB; manage DB migrations with Liquibase; 10+ years experience and Bachelors in Computer Science required.
Python, Lambda, Aurora, DynamoDB, Liquidbase, CI/CD
2w
Save
Mark Applied
Hide
Backend API Engineer Technical Lead II
Charlotte or Malvern
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
8+ YOE8+ years related experience, 3+ years Node.js, proficient in TypeScript and NestJS, experience with AWS, CI/CD, GitHub Actions, REST/Spring Boot/Java a plus; undergraduate degree or equivalent; strong communication and mentoring skills.
Node.js, Typescript, NestJS, Visual Studio Code, RESTful Services, Spring Boot, Java, CI/CD Pipeline, Github Actions, Git/GitHub, JIRA, AWS ECS Fargate, AWS EKS, AWS Lambda, XCode, SWIFT, Android Studio
2mo
Save
Mark Applied
Hide
API & GCP Architect
Exton or Atlanta
OnsiteFull Time, Contract
SID Global Solutions
SID Global Solutions: Provides AI-driven digital transformation and cloud infrastructure services.
10+ YOEExpertise in Apigee (Edge/X/Hybrid), GCP, Java/Spring Boot, microservices, Docker/Kubernetes, API security (OAuth2.0, JWT, OIDC, mTLS); 10+ years software development and 5+ years Apigee experience preferred.
Apigee Edge, Apigee X, Apigee Hybrid, GCP, GKE, Cloud Run, Pub/Sub, Cloud Functions, Cloud Storage, IAM, Monitoring, Logging, REST APIs, JSON, XML, OpenAPI/Swagger, Java, Spring Boot, JavaScript, Python, Shell, Docker, Kubernetes, Terraform, Kafka, RabbitMQ, Prometheus, Grafana, Cloud Monitoring, Splunk, ELK, OAuth 2.0, JWT, OpenID Connect, mTLS
2mo
Save
Mark Applied
Hide
Senior Software Engineer - MDM / RDM & API Development
Newark, New Jersey, United States
$104k-$172k/yr HybridFull Time
Prudential Financial
Prudential FinancialNYSE: PRU: Provides insurance, investment management, and retirement services globally.
Senior software engineer with experience in MDM/RDM, API development, Python/Spark/Node.js, and Agile practices.
Python, Spark, Node.js, NoSQL, Relational Databases, SQS, Kinesis, REST, JSON, SOAP, XML, JDBC, MySQL, Git, Jenkins, AWS, CloudWatch, CodeDeploy
3w
Save
Mark Applied
Hide
Senior Software Engineer - API Platform & Client Tooling
Bellevue or Livingston or New York City or San Francisco or Sunnyvale
$153k-$204k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
Production Go experience, API design and versioning, client tooling/SDK/CLI or provider work, code-generation or compiler/tooling experience preferred, cross-team collaboration and mentorship.
Go, gRPC, protocol buffers, Buf, ConnectRPC, Terraform Plugin Framework, Cobra, CWIC
1mo
Save
Mark Applied
Hide
Senior Software Engineer – API & Cloud Integrations (Java, AWS)
Denver or Cedar Rapids or Philadelphia
$94k-$120k/yr HybridFull Time
Transamerica
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
3+ YOEBachelor’s or equivalent experience; 3+ years Core Java; experience with Spring, microservices, APIs, databases (RDBMS/NoSQL), cloud (AWS/Azure), CI/CD, and integration frameworks; strong analytical and communication skills.
Java, Core Java, Spring Framework, Spring Boot, Spring MVC, J2EE, Entity Framework, IIS, Swagger, Swagger API, OData, .NET API 2, .NET API Core, AutoMapper, MS Cosmos DB, Microsoft Cosmos DB, Apache Cassandra, Amazon DynamoDB, AWS, Azure, EC2, ECS, S3, Kinesis, Microsoft VMs, Microsoft Blob, Microsoft Data Factory, Microsoft SQL Data Warehouse, Microsoft ARM Templates, Microsoft Event Hubs, Visual Studio, Git, Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, NUnit, Ajax, MS HPC, SageMaker, Spark, API Gateways, Apache Camel, Zookeeper, Kafka, Docker, OpenShift, Kubernetes, Angular, React, Vue.js, ASP.NET MVC, HTML, JS, CSS
2w
Save
Mark Applied
Hide
Senior QA Automation Engineer – API Automation & Performance Testing
Parsippany, New Jersey, United States
$53k-$93k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
Strong QA automation experience with API and performance testing using Postman, REST Assured, JMeter/K6; Java and JSON proficiency; Azure DevOps experience; SAFe Agile experience; strong communication and analytical skills.
Postman, REST Assured, JSON, REST APIs, Microsoft Azure DevOps, JMeter, K6, Java, Ready API, SOAP UI, Playwright, Selenium, Grafana, Dynatrace
1mo
Save
Mark Applied
Hide
Senior Developer / Lead Developer
Allentown or Providence or Louisville
HybridFull Time
PPL
PPLNYSE: PPL: Provides electricity and natural gas to millions of customers.
5+ YOEBachelor's degree, 5+ years software development experience (senior) or 7+ (lead); proficiency in C#, Java, TypeScript, frontend frameworks, APIs and SQL; experience with cloud, microservices, and emerging tech.
C#, Java, TypeScript, JavaScript, Python, Angular, React, SQL, Microservices, Cloud Architecture, APIs, SAP ABAP, SAP S/4HANA, Kubernetes, Azure Kubernetes Service (AKS), DevOps, RPA, Artificial Intelligence
2mo
Save
Mark Applied
Hide
PHP Developer II
Horsham, Pennsylvania, United States
HybridFull Time
Turn 14 Distribution
Turn 14 Distribution: Wholesale distributor of performance automotive and powersports aftermarket parts.
3+ YOE3-5 years of PHP development; strong SQL; Git; REST APIs; Linux; web performance; API integration; mentoring.
PHP, SQL, MySQL, HANA, SQL Server, Git, Linux, REST APIs, Bootstrap, API
3w
Save
Mark Applied
Hide
Senior QA Automation Engineer – API Automation & Performance Testing
Parsippany, New Jersey, United States
$53k-$93k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
Design and implement API automation and performance test strategies; experience with API testing, performance testing, test frameworks, Azure DevOps, Java, and mentoring peers.
Postman, REST Assured, JSON, Azure DevOps, JMeter, K6, Java, Ready API, SOAP UI, Playwright, Selenium, Grafana, Dynatrace
1w
Save
Mark Applied
Hide
Senior QA Automation Engineer – API Automation & Performance Testing
Bridgewater, New Jersey, United States
$53k-$93k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
Design and execute API, functional, integration, regression, and performance tests; build API automation frameworks; strong Java and JSON skills; experience with Postman, REST Assured, JMeter/K6, and Azure DevOps.
Postman, REST Assured, JSON, Azure DevOps, JMeter, K6, Java, Ready API, SOAP UI, Playwright, Selenium, Grafana, Dynatrace
2w
Save
Mark Applied
Hide
Senior Salesforce Developer
Waltham or Rancho Dominguez or Bridgewater
$130k-$170k/yr OnsiteFull Time
Repligen
RepligenNASDAQ: RGEN: Develops and manufactures bioprocessing technologies for pharmaceutical drug production.
7+ YOEBachelor's in a technical field,7+ years Salesforce development experience,Platform Developer I required; expertise in Apex,LWC,Visualforce,SOQL/SOSL,APIs and integrations; strong security, data modeling, and agile experience.
Salesforce, Sales Cloud, Service Cloud, Experience Cloud, Data Cloud, Salesforce CPQ, Apex, Lightning Web Components (LWC), Visualforce, SOQL, SOSL, APIs, REST, SOAP, KBMax, Xactly, SAP, Einstein, Agentforce, Agile, Scrum
1mo
Save
Mark Applied
Hide
Lead Developer
Allentown or Louisville or Providence
HybridFull Time
PPL Corporation
PPL CorporationNYSE: PPL: Provides electricity transmission, distribution, and utility services.
7+ YOEBachelor's degree (or equivalent), 7+ years experience (Lead) or 5+ years (Senior); strong software development background with C#, Java, JavaScript/TypeScript, front-end frameworks (Angular/React), APIs/JSON, and SQL; experience with microservices, cloud, containerization and Kubernetes preferred.
C#, Java, Python, JavaScript, TypeScript, Angular, React, SQL, JSON, APIs, Microservices, DevOps, Multi-Cloud, IoT, Intelligent Automation, RPA, Test automation, Machine Learning, Artificial Intelligence, Kubernetes, Azure Kubernetes Service (AKS), SAP ABAP
1d
Save
Mark Applied
Hide
AI Developer
Minneapolis or Omaha or Philadelphia or Clifton Park or Cincinnati
OnsiteFull Time
Ultimus Fund Solutions
Ultimus Fund Solutions: Provides fund administration services to the investment management industry.
3+ YOE3+ years full-stack/front-end development, experience with LLM APIs and generative AI APIs, prompt engineering, API integration, UX/UI and collaboration with operations teams.
LLM APIs, Generative AI APIs
5d
Save
Mark Applied
Hide
Application Developer I
Coppell or Fort Washington
OnsiteFull Time
Newrez
Newrez: Provides residential mortgage lending and loan servicing solutions.
1+ YOE1-2+ years full-stack development experience with T-SQL, .NET/C#, JavaScript framework (Angular), APIs, JWT, MSSQL, SSMS; familiarity with SDLC/Agile and cloud platforms.
T-SQL, .NET Framework, C#, JavaScript, Angular, APIs, JWT Token Authentication, MSSQL, SSMS, JSON, XML, ASP.NET, C++, Microsoft Azure, Excel, SQL
1w
Save
Mark Applied
Hide
.Net Application Developer
Philadelphia, Pennsylvania, United States
$95k-$102k/yr OnsiteFull Time
PMHCC
PMHCC: Provides administrative and management services for public behavioral health programs.
3+ YOE3+ years .NET development experience; proficiency with C#, ASP.NET Core/MVC/Web API, Microsoft SQL Server, secure coding and HIPAA compliance; strong communication and problem-solving skills.
C#, ASP.NET Core, Razor Pages, MVC, Web API, HTML, CSS, JavaScript, Microsoft SQL Server, Git, Azure DevOps, Azure Boards, ASP.NET Core Identity, Azure AD (Entra ID), RESTful APIs
1w
Save
Mark Applied
Hide
.NET Full Stack Developer
Woodbridge, New Jersey, United States
$81k-$105k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
Hands-on .NET full-stack development with C#, .NET Core/Framework, React JS, API/microservices, and cloud (AWS) experience. Bachelor\u0002s or equivalent experience required. Strong communication and SDLC skills.
.NET, C#, .NET Core, .NET Framework, React JS, WSO2 Choreo, Jenkins, TeamCity, Octopus Deploy, AWS, EKS, CloudFront, SQS, Glue, DocumentDB, Web APIs, Microservices
1mo
Save
Mark Applied
Hide
Custom Software Engineer Python - 6365276
Morristown or Charlotte or Dallas or Cleveland or California or Colorado or Illinois or Maine or Maryland or Massachusetts or Minnesota or New York or New Jersey or Virginia or Washington or District of Columbia
$37-$47/hr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOE5+ years Python experience, Django/Flask and REST API development, SQL, Alteryx, JIRA/Octane, Agile experience, bachelor's degree, and familiarity with banking and financial datasets.
Python, Alteryx, JIRA, OpenText ALM Octane, SQL, Django, Flask, REST API, Playwright, Jenkins, Git
1mo
Save
Mark Applied
Hide
Dynamics 365 Developer (Remote Opportunity)
Philadelphia or Pennsylvania or United States
RemoteFull Time
VetsEZ
VetsEZ: Digital transformation and healthcare IT services for government agencies.
5+ YOEBachelor's degree, 5+ years Dynamics 365 (Customer Service) experience, proficiency with Dynamics 365 customization and development (JavaScript, C#, .NET, Power Platform), Dataverse, Power Apps/Automate, Azure, integrations and APIs.
Microsoft Dynamics 365, JavaScript, C#, .NET, Microsoft Power Platform, Microsoft Dataverse, Microsoft Power Apps, Microsoft Power Automate, Microsoft Azure, Microsoft Logic Apps, Microsoft Azure Functions, APIs, web services, DevOps