32 api java developer jobs at 21 companies in York, 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
3w
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API Developer (Senior)
Baltimore, Maryland, United States
OnsiteFull Time
3+ YOEBachelor's in CS or related field (or 5 years' equivalent),3+ years computer experience,1+ year web/app development experience; knowledge of HTML,CGI,PERL,Javascript,Java,cloud and Salesforce.
HTML, CGI, PERL, Javascript, Java, Salesforce
5d
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Senior Java Developer w/ Angular
Woodlawn, Maryland, United States
$134k-$175k/yr OnsiteFull Time
10+ YOE10+ years with Java, Spring Boot, Angular, and React; extensive JEE and UI development; AWS/PostgreSQL cloud deployment; microservices, REST APIs, DevOps, testing, Agile, and technical leadership. Degree plus experience or 13+ years without degree.
Java, Angular, Spring Boot, REST APIs, Twelve-Factor App, microservices, SOAP, JAX-WS, Apache Axis, Web Services Description Language (WSDL), AngularJS, JavaScript, JSP, HTML, CSS, XML, AJAX, jQuery, Jenkins, Git, Bitbucket, Jira, Nexus, Maven, SonarQube, Fortify, UrbanCode Deploy, AWS, PostgreSQL, Azure, Google Cloud, containerization, JUnit, Mockito, PowerMock, Test Driven Development (TDD), Behavior-Driven Development (BDD), Cucumber, React, JEE, JAXP, JAXB, AXIS, JERSEY, JSON, CXF, LTPA, OAuth2/JWT, Struts, Spring Framework, Spring JDBC, JPA, Hibernate, DB2, Tomcat, WebSphere, Kafka, Artificial Intelligence (AI)
6d
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Lead Software Engineer - Java, Microservices, MuleSoft & API Development (Remote)
Baltimore, Maryland, United States
$115k-$229k/yr RemoteFull Time
8+ YOEBachelor's degree in a technical discipline or four additional years' relevant experience, plus 8+ years in software design and development, enterprise systems, technical leadership, and Agile delivery.
Java, Spring Framework, Spring Boot, Spring Cloud, Spring MVC, Spring Integration, Spring Batch, RESTful API, SOAP, Open API, Swagger, MuleSoft Anypoint Platform, DataWeave, Microsoft API Management (APIM), Apigee, OAuth 2.0, OpenID Connect, Microsoft Azure, AWS, Kubernetes, AKS, Docker, Oracle, PostgreSQL, SQL Server, MongoDB, Cassandra, Apache Kafka, Confluent Platform, Jenkins, Microsoft Azure DevOps, GitHub Actions, Maven, SonarQube, Artifactory, Postman, Newman, Rest Assured, TestNG, Cucumber, Splunk, ELK Stack, Kibana, Azure Monitor
1w
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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
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
4w
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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
1d
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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
1mo
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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
5d
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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
3mo
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Software Engineer - Fulton, MD
Fulton, Maryland, United States
$79k-$237k/yr OnsiteFull Time
Bachelor's degree in CS, CE, or EE; SDLC experience; proficient in Python, Java, HTML, JavaScript; Windows/Linux APIs; client/server architecture; strong analytical and communication skills; self-motivated and able to work with minimal supervision.
Git, Jenkins, Python, Java, HTML, JavaScript, Windows API, Linux API, Client/Server Architecture
1mo
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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
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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
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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
2w
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Data Platform & Integration Engineer
Pittsburgh or Harrisburg or Washington or Maryland or Ohio or Pennsylvania
RemoteFull Time
8+ YOEBachelor's or equivalent,8+ years in data engineering/integration,proficiency in SQL and Python/Java/DataWeave,experience with Snowflake and MuleSoft,ETL/ELT pipeline design,API development,data governance,CI/CD and messaging technologies.
Snowflake, MuleSoft, Snowpipe, Streams, Tasks, dbt, Databricks, Redshift, BigQuery, REST, SOAP, RAML, OAS, Snowflake Horizon Catalog, Atlan, Collibra, Alation, CI/CD, Infrastructure as Code, Apache Kafka, Python, Java, DataWeave, SQL, Fulcrum, Intapp, NetDocuments, Aderant, Elite
1mo
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Junior Reverse Engineer
Aberdeen Proving Ground, Maryland, United States
$76k-$156k/yr OnsiteFull Time
2+ YOEActive Secret clearance, BS in related discipline with 2+ years experience, Linux and programming experience (Python/Java/C/C++), knowledge of binary analysis and cryptography, and strong communication skills.
Linux, Python, Java, C/C++, Ghidra, Binary Ninja, IDA, JADX, x64dbg, GDB, I2C, JTAG, UART, SPI, USB, Ethernet, APIs
3mo
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Associate Director Staff Engineer Software
Baltimore, Maryland, United States
OnsiteFull Time
Senior backend architect with hands-on engineering, API and data integration expertise; Kubernetes, GraphQL, microservices, and CI/CD experience; comfortable in financial services environments.
Kubernetes, Docker, GraphQL, REST, Microservices, Java, Kotlin, Node.js, Go, CI/CD
1mo
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Junior Reverse Engineer
Aberdeen Proving Ground, Maryland, United States
$76k-$156k/yr OnsiteFull Time
2+ YOEActive Secret clearance, BS in related discipline, 2+ years related experience, Linux experience, knowledge of cryptography, programming experience (Python/Java/C/C++), and proficiency communicating technical findings.
Linux, Python, Java, C/C++, Ghidra, Binary Ninja, IDA, JADX, x64dbg, GDB, APIs
2w
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Senior Automated Test Engineer
Woodlawn or Baltimore
$80k-$176k/yr OnsiteFull Time
7+ YOEBachelor's degree, 7+ years of IT experience, and 7–10+ years in test automation. Requires Java, API/UI automation, CI/CD integration, security testing, and ability to obtain Public Trust clearance.
TestNG, REST Assured, Selenium WebDriver, Java, Postman, Jenkins, GitLab, Azure DevOps, Bitbucket, OWASP API Top 10, WireMock, Mountebank, Parasoft, MongoDB, Liberty, Angular, .NET, Solr, DB2, Control M, JMeter, Gatling, k6, ALM, UFT, HTTP, JSON, OAuth 2.0, JWT, Apache Solr