58 api java developer jobs at 25 companies in Lancaster, PA
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
4d
Save
Mark Applied
Hide
Lead Software Engineer - Java/Microservices/React
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years of software engineering experience with Java, React, microservices, APIs, Spring Boot, Kafka, MongoDB, cloud-native development, SDLC, agile methods, security, resiliency, and AI-assisted engineering.
Java, React, Microservices, API, Spring Boot, Kafka, MongoDB, Splunk, Dynatrace, Grafana, CI/CD, Software Development Life Cycle (SDLC)
1w
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
1d
Save
Mark Applied
Hide
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
4w
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
1d
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
5d
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Software Engineer II
Hartford or Atlanta or St. Paul or Hunt Valley
$120k-$199k/yr HybridFull Time
4+ YOEBachelor's degree in CS or related STEM and 4+ years software development experience; experience with object-oriented languages, RESTful APIs, Salesforce preferred, Agile/Scrum experience, and ability to learn new technologies.
Salesforce, Apex, Lightning Web Components, Salesforce APIs, Java, C#, Python, JavaScript, RESTful APIs, Agile, Scrum, Version control systems
23h
Save
Mark Applied
Hide
Software Developer
Belcamp, Maryland, United States
$62k-$141k/yr OnsiteFull Time
2+ YOEBachelor’s degree and 2+ years with C or Python, or 4+ years with C or Python without a degree; application maintenance experience; ability to obtain Secret clearance.
C, Python, APIs, Java, C#, C++, .NET, JavaScript, React, Angular, NodeJS, PHP, Bash, Visual Basic, GIT, FPGA, AI, ML
1mo
Save
Mark Applied
Hide
Lead Software Engineer
Wayne, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years backend or full‑stack engineering experience focused on APIs, services, integrations, Snowflake, SQL, and modern DevOps/CI/CD practices.
Snowflake, SQL, C#/.NET, Java, Node.js, Git, CI/CD, dbt
Explore Jobs
Expand Your Job Search
Top Cities Near Lancaster for API Java Developer
- API Java Developer jobs in Reading, PA
- API Java Developer jobs in Wilmington, DE
- API Java Developer jobs in Harrisburg, PA
- API Java Developer jobs in York, PA
- API Java Developer jobs in Newark, DE
- API Java Developer jobs in Wayne, PA
- API Java Developer jobs in Lebanon, PA
- API Java Developer jobs in Pottstown, PA
- API Java Developer jobs in West Chester, PA
- API Java Developer jobs in Carlisle, PA
- API Java Developer jobs in Westminster, MD
- API Java Developer jobs in Limerick, PA
- API Java Developer jobs in Phoenixville, PA
- API Java Developer jobs in Elkton, MD
- API Java Developer jobs in Aberdeen, MD
- API Java Developer jobs in Hanover, PA
- API Java Developer jobs in West Norriton, PA
- API Java Developer jobs in Ephrata, PA
- API Java Developer jobs in Pottsville, PA
- API Java Developer jobs in Havre de Grace, MD