74 api java developer jobs at 28 companies in Ephrata, PA
2mo
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API Developer/Programmer
Aberdeen Proving Ground, Maryland, United States
$90k-$150k/yr OnsiteFull Time
2+ YOEBachelor's degree in a technical field and 2+ years experience. Experience with web/API development, MongoDB, PostgreSQL, Microsoft Azure, Keycloak, Java, cloud/containerization, information systems security, and Agile.
MongoDB, PostgreSQL, Microsoft Azure, Keycloak, Java
1w
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Senior Java Developer
Newark, Delaware, United States
$80k-$100k/yr OnsiteFull Time
10+ YOEBachelor's degree in computer science and advanced Java development experience with microservices, Spring, Hibernate, REST APIs, and SQL databases.
Java, Spring Framework, Spring MVC, Spring Boot, Hibernate, RESTful APIs, Oracle SQL, PostgreSQL, SQL Server, Microservices
1d
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Java Software Engineer II
Newark, Delaware, United States
OnsiteFull Time
2+ YOERequires 2+ years of applied software engineering experience, Java and Spring Boot proficiency, microservices, SDLC, cloud, distributed systems, REST APIs, databases, and enterprise AI-assisted development tools.
Java, Spring Boot, HTML, CSS, JavaScript, Typescript, React, Angular, AWS, Azure, GCP, RESTful APIs, WebSockets, JSON, Business Intelligence (BI)
1mo
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Backend API Engineer Technical Lead II
Charlotte or Malvern
HybridFull Time
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
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API & GCP Architect
Exton or Atlanta
OnsiteFull Time, Contract
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
2w
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Applications Development Java Programmer – Assistant Vice President
New Castle, Delaware, United States
$107k-$161k/yr HybridFull Time
5+ YOERequires 5+ years of Java development, cloud engineering, API design, Spring/Spring Boot, Oracle, SQL, MongoDB, OpenShift, Kubernetes, MQ, Kafka, SDLC, Agile, DevOps, and CI/CD experience.
Java, Spring, Spring Boot, Oracle, SQL, MongoDB, OpenShift, Kubernetes, MQ, Kafka, GenAI, LLMs, RESTful APIs, Software Development Life Cycle (SDLC), Agile, DevOps, CI/CD
1mo
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Senior Developer / Lead Developer
Allentown or Providence or Louisville
HybridFull Time
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
2w
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Web Application Developer
Harrisburg, Pennsylvania, United States
OnsiteFull Time
Proficiency in Java and Java EE, Java web applications, REST APIs, XML, JSON, SQL, cloud integrations, web design, and SDLC; experience with Claude or similar AI development tools required.
Java, Java EE, Claude, REST API, XML, JSON, SQL, MySQL, DB2, Snowflake, SDLC
1mo
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Lead Developer
Allentown or Louisville or Providence
HybridFull Time
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
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
3d
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ETL Data Engineer
Mechanicsburg, Pennsylvania, United States
HybridFull Time
Bachelor’s degree or equivalent experience, ETL and software development experience, SQL/API proficiency, Java or Python, Pentaho PDI or similar tooling, cloud development, and eligibility for Public Trust clearance.
Docker, Kubernetes, GitHub, SQL, Java, Python, Pentaho PDI
3d
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Software Engineer - Node.JS
Malvern, Pennsylvania, United States
HybridFull Time
4+ YOEBachelor's degree in Computer Science or related field and 4+ years of development experience. Requires Node.js, microservices, REST APIs, AWS, Angular, Java, agile, communication, and technical leadership skills.
Node.js, Amazon DynamoDB, Amazon Web Services, Angular, CI/CD, Java, AWS Lambda, Amazon EKS, Amazon Kinesis, Amazon CloudWatch, Amazon EC2, Amazon S3, LinkedIn Learning
3d
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Software Engineer Stf - E4
Manassas or Washington or Sunnyvale or Palo Alto or New York City or Newark or Denver or Chester County or Stratford or Moorestown or Dallas or Fort Worth or Orlando or Grand Prairie or Marietta or Camden or Lexington or Ocala or Lufkin
$109k-$202k/yr OnsiteFull Time
Bachelor’s degree and software development experience with C++, Java, JavaScript, TypeScript, .NET, ABAP, databases, APIs, Docker, Git, CI/CD, Windows, Linux, and technical leadership; U.S. citizenship required.
C++, Java, JavaScript, TypeScript, .NET, ABAP, HTML5, CSS, SQL Server, MySQL, PostgreSQL, MongoDB, Docker, Git, GitLab, GitHub, Continuous Integration (CI), Continuous Deployment (CD), Windows, Linux, Manufacturing Execution Systems (MES), Enterprise Resource Planning (ERP), Product Life Cycle Management (PLM)
2w
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Associate Database Platform Developer
Wilmington, Delaware, United States
HybridFull Time
Programming experience in Python, Perl, Java, or similar; relational database and SQL knowledge; software development fundamentals, version control, code reviews, testing, problem-solving, and teamwork.
Python, Perl, Java, SQL, SQL Server, Snowflake, APIs, CI/CD
4d
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Software Developer
Belcamp or Aberdeen
$62k-$141k/yr OnsiteFull Time
2+ YOERequires a bachelor's degree and 2+ years with C or Python, or 4+ years in lieu of a degree. Experience maintaining applications, APIs, cloud platforms, and debugging; ability to obtain Secret clearance.
C, Python, APIs, cloud platforms, Java, C#, C++, .NET, JavaScript, React, Angular, NodeJS, PHP, Bash, Visual Basic, GIT, FPGA, RF, AI, ML
3mo
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Application/Agentic AI Engineer
Aberdeen, Maryland, United States
HybridFull Time
3+ YOE3+ years in software engineering or AI integration; BS in CS/Software/ Data/IS; proficient in Python/JS/TS/Java; API/microservice experience; LLMs and AI orchestration familiarity; cloud-native with Docker/Kubernetes; SDLC/DevSecOps/CI/CD; Git; strong problem-solving; active security clearance.
Python, JavaScript, TypeScript, Java, APIs, Microservices, Data services, Docker, Kubernetes, Git, CI/CD, SDLC, DevSecOps
1w
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Developer - .NET
Harrisburg, Pennsylvania, United States
RemoteFull Time
7+ YOEBachelor's degree in Computer Science or related field, 7+ years as an enterprise full-stack developer, and 5+ years with relevant technologies. Requires .NET, C#/F#, web, ORM, database, API, and middleware expertise.
.NET, C#, F#, Java, Scala, Swift, OCaml, .NET Core, .NET Framework, Angular, React, Vue, EF Core, Dapper, SQL, Microsoft SQL Server, Redis, Elasticsearch, MongoDB, OpenAPI, OAuth, RabbitMQ, Neuron ESB, Axway API Gateway
2mo
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Principal Solutions Engineer
Malvern, Pennsylvania, United States
HybridFull Time
5+ YOE5+ years software development experience in retail payments with expertise in POS integration, remote teamwork, Microsoft .NET Framework & Linux, C++/C#/Java, REST API and data exchange specifications.
Microsoft .NET Framework, Linux, C++, C#, Java, REST API
1mo
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Technical Engineering Manager (API & Cloud Engineering)
Malvern, Pennsylvania, United States
HybridFull Time
8+ YOE3+ MgmtRequires 8+ years related experience, 3+ years development and people leadership experience, undergraduate degree, and expertise in Java, AWS, APIs, microservices, distributed systems, architecture, DevOps, CI/CD, databases, security, and Agile practices.
Java, AWS, CI/CD, Python
1mo
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Lead Software Engineer (1308)
Wayne, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years backend/full-stack engineering experience with APIs, integrations, Snowflake, SQL, and modern DevOps; strong communication and ownership; experience mentoring offshore developers.
Snowflake, SQL, C#/.NET, Java, Node.js, Git, CI/CD, dbt, iPaaS