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654 api engineer jobs at 281 companies in Pennsylvania

1mo
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API Developer
Pittsburgh or Cleveland or Dallas or Birmingham or Phoenix or Denver
OnsiteFull Time
CGI
CGITSX: GIB.A: Global IT consulting and business services firm.
8+ YOE8+ years Java/J2EE experience building RESTful APIs using Spring Boot and microservices; experience with DevOps, Kafka, IBM MQ, SQL/NoSQL and cloud platforms required.
Java, J2EE, Spring Boot, Microservices, REST API, Angular, XML, JSON, Swagger, Jenkins, uDeploy, GIT, Kafka, IBM MQ, SQL, No Sql, AWS, Azure, GitHub, CI/CD, React, JavaScript, HTML, CSS, JSON Web Token (JWT), UML, XPath
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1mo
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Python API Developer
Malvern, Pennsylvania, United States
$110k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesBSE: 532540: Global leader in 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
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Backend API Engineer Technical Lead II
Charlotte or Malvern
HybridFull Time
Vanguard
Vanguard: Global investment management firm owned by its client funds.
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
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Technology Engineer Sr (Java/FullStack/API/GEN AI)
Pittsburgh or Dallas
OnsiteFull Time
PNC Financial Services Group
PNC Financial Services GroupNYSE: PNC: Diversified financial services providing banking and investment solutions.
5+ YOEExpert Java backend and API engineering experience, microservices, cloud-native, API-first design, mentoring, and Generative AI-assisted development; typically requires 5+ years industry experience and a bachelor's degree.
Java (Java 17), Java (Java 21), Spring Boot, Spring Security, MongoDB, Oracle Database, IntelliJ IDEA, Eclipse, Git, Angular 16+, HTML5, CSS3, JavaScript, TypeScript, Kubernetes, Docker, OpenShift, Jenkins, uDeploy, Harmony, Gradle, Helm, GitHub Copilot, Microsoft Copilot, Copilot Chat, Dynatrace, Checkmarx
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4d
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Mechanical Engineer
Philadelphia, Pennsylvania, United States
$90k-$110k/yr HybridFull Time
Campos EPC
Campos EPC: Minority-owned energy infrastructure engineering, procurement, construction, and consulting firm serving utility, energy, and midstream organizations.
2+ YOEBachelor of Science in Engineering, 2+ years of professional experience, P&ID knowledge, and familiarity with ASME, ANSI, API, NFPA, CSA, and 49 CFR codes; PE license preferred.
P&ID, ASME, ANSI, API, NFPA, CSA, 49 CFR
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MES Engineer
Kalamazoo or Pittsburgh or St. Louis
$80k-$120k/yr HybridFull Time
GrayMatter
GrayMatter: Private industrial technology and consulting helping manufacturers and infrastructure operators modernize operational systems.
4+ YOEBachelor's in engineering preferred, 4+ years MES experience, SQL and REST API experience, proficiency with VBA/Python/Java Script, strong attention to detail, problem solving, and customer service; willingness to travel.
VBA, Python, Java Script, TrackSYS, Plant Applications, Sepasoft, Production Center, SQL, REST API, Velotic (GE) Proficy Plant Applications, Microsoft Office, TCP/IP
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Senior Software Engineer – API & Cloud Integrations (Java, AWS)
Denver or Cedar Rapids or Philadelphia
$94k-$120k/yr HybridFull Time
Transamerica
Transamerica: Insurance, retirement, and investment solutions provider.
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
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3w
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Security Automation Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Chubb
ChubbNYSE: CB: Global provider of property, casualty, accident, health, and life insurance.
3+ YOERequires 3–5 years of IT/security engineering experience, Python scripting, REST API integrations, JavaScript, security tool integration, troubleshooting, documentation, and communication skills. SOAR and security certifications preferred.
Python, JavaScript, REST API, Claude Code, Claude, SIEM, EDR, ITSM, SOAR, Splunk SOAR, Phantom, Palo Alto XSOAR, Tines, LangGraph, Microsoft Sentinel, KQL, Microsoft Graph, Akamai EdgeGrid
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1w
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Sr. Software Engineer II, Platform/API
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Wisconsin or country_code
$140k-$190k/yr HybridFull Time
NinjaTrader
NinjaTrader: Privately held futures trading platform and brokerage serving retail and professional futures traders.
6+ YOE6+ years building and operating backend services; Node.js, TypeScript, SQL, Docker, Kubernetes, cloud, event-driven architecture, and workflow reliability expertise. Bachelor's or master's degree or equivalent experience.
Node.js, TypeScript, Kafka, Google Cloud Pub/Sub, SQL, Docker, Kubernetes, Google Cloud Platform, Codex, Cursor, Claude Code, Statsig
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Implementation Engineer
Canonsburg, Pennsylvania, United States
$83k-$98k/yr OnsiteFull Time
Inovalon
Inovalon: Healthcare software serving payers, providers, pharmacies, and life sciences organizations with data and analytics.
2+ YOE2+ years on technical projects; experience with web services/APIs, SQL, data conversion, system configuration; strong analytical, customer-facing, and communication skills.
SQL, APIs, web services
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Implementation Engineer
Canonsburg, Pennsylvania, United States
OnsiteFull Time
Inovalon
Inovalon: Healthcare software serving payers, providers, pharmacies, and life sciences organizations with data and analytics.
2+ YOE2+ years on technical projects, experience with web services/APIs and SQL, system and data analysis, customer-facing communication, and ability to support on-call conversion events.
web services, APIs, SQL, development environments, system configuration, log analysis, source code analysis
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Applications Engineer
Export, Pennsylvania, United States
HybridFull Time
FS-Elliott
FS-Elliott: Oil-free centrifugal compressor manufacturer serving industrial air and gas users worldwide within the privately held Fusheng Group.
Bachelor\u0002s in Mechanical Engineering or equivalent, experience with centrifugal compressors or rotating equipment, familiarity with API 672/614 preferred, strong communication, problem-solving, and Microsoft Office 365 proficiency.
Microsoft Office 365
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2mo
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Automation Engineer
West Chester, Pennsylvania, United States
OnsiteFull Time
Communications Test Design, Inc.
Communications Test Design, Inc.: Global provider of engineering, repair, and logistics services.
0+ YOE0-4 years programming experience (Structured Text or C#/C++/Embedded C) for PLCs and motion controllers; experience with machine-control APIs; bachelor’s degree in an engineering or computer/robotics field required.
PLC, motion controllers, Structured Text (ST), C#, C++, Embedded C, Ladder Logic, Raspberry Pi, Arduino, machine-control APIs
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1w
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Sr Engineer
Houston or Louisiana or Texas or New Mexico or Arizona or Pennsylvania
FieldFull Time
Energy Transfer
Energy TransferNYSE: ET: Diversified energy operating midstream infrastructure and retail assets.
6+ YOEBachelor’s degree in engineering, 6–10 years of related pipeline, measurement, facilities, compression, or processing experience, driver’s license, and ability to manage complex projects and travel extensively.
DOT 192, ASME, API, ASTM
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2mo
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Principal Solutions Engineer
Malvern, Pennsylvania, United States
HybridFull Time
Crane Payment Innovations
Crane Payment Innovations: Industrial payment-technology manufacturer serving gaming, retail, transportation, vending, and financial institutions worldwide.
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
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Sr Design Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
Philadelphia Gear
Philadelphia Gear: -owned industrial gearbox manufacturer providing custom-engineered gearboxes, parts, repairs, and onsite services to mission-critical industries.
5+ YOEBachelor's in Mechanical Engineering, minimum 5 years mechanical drive design experience, familiarity with AGMA/API/MIL, proficiency in SolidWorks and MS Office, US export-eligibility required.
SolidWorks, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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2d
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Senior Enterprise Engineer
New York City or Pittsburgh
$162k-$220k/yr OnsiteFull Time
Duolingo
DuolingoNasdaq: DUOL: Public U.S. education technology providing free and subscription-based language learning and English proficiency testing.
Experience delivering multi-stakeholder engineering projects, infrastructure-as-code, CI/CD, identity and access integrations, API-based automation, SLOs, monitoring, incident response, and cross-functional collaboration.
Terraform, Okta, Google Workspace, Slack, Atlassian, MDM, CI/CD, RBAC, SCIM, SAML, OIDC, ABAC
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2w
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Knowledge Engineer - Back End
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$26-$94/hr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOERequires 3+ years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, REST APIs, and a bachelor's degree or equivalent experience.
R2RML, SPARQL, StarDog, GraphWise, Neo4J, Elasticsearch, OpenSearch, SQL, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Python, Java, REST API, Docker, Kubernetes, GraphQL, D3.js, Cytoscape.js, AWS Neptune, Azure Cosmos DB, Kafka, RabbitMQ, Terraform, Helm
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Sr. Quality Engineer
United States or Alabama or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kansas or Louisiana or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Mississippi or North Carolina or Nebraska or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Wyoming
$120k-$130k/yr RemoteFull Time
Storable
Storable: Technology providing integrated management software, websites, payments, and services to self-storage, marine, RV, and campground operators.
5+ YOE5+ years QA/quality engineering experience, strong test strategy, API and data validation, SQL, CI/CD familiarity, test automation experience, and practical use of AI-assisted tools.
Cypress, Selenium, TestNG, Cucumber/Gherkin, SQL, GitHub, GitLab, Jira, Confluence, Node.js, TypeScript, JavaScript, Codex, Claude Code, Cursor, GitHub Copilot, ChatGPT
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2mo
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Staff Solutions Engineer
Arizona or California or Colorado or Delaware or Maryland or Massachusetts or Missouri or New Jersey or Nevada or New York or North Carolina or Oregon or Oklahoma or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington
$175k-$225k/yr RemoteFull Time
Identity Digital
Identity Digital: Domain registry and registrar services helping businesses, governments, nonprofits, and individuals build digital identities.
10+ YOE10+ years in solutions engineering, architecture, infrastructure, identity, security, or technical partner engineering; Go, Python, or TypeScript/Node experience; DNS and identity/auth expertise; bachelor's degree or equivalent.
AWS, Okta, OAuth, OpenID Connect (OIDC), MCP, OAuth2, JSON Web Token (JWT), JSON Web Key Set (JWKS), PKI, TLS, Go, Python, TypeScript, Node, SDKs, APIs, MCP servers, DNS, DNSSEC, TXT records, IETF
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