266 api engineer jobs at 139 companies in Newark, DE

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
6d
Save
Mark Applied
Hide
Intermediate API Developer
Mount Laurel, New Jersey, United States
$95k-$115k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
6+ YOEHands-on Java and Spring Boot experience to build REST APIs; knowledge of SQL, Hibernate/JPA, Spring Batch, Quartz, Git, Maven, CI/CD, JUnit, Agile, debugging and production support.
Java, Spring Boot, REST APIs, SQL, Hibernate/JPA, Spring Batch, Quartz, Git, Maven, CI/CD, JUnit, Agile
1mo
Save
Mark Applied
Hide
API Developer/Programmer
Aberdeen Proving Ground, Maryland, United States
$90k-$150k/yr OnsiteFull Time
SURVICE Engineering
SURVICE Engineering: Engineering services and survivability analysis for defense systems.
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
2mo
Save
Mark Applied
Hide
Senior Principal Engineer (API)
West Deptford, New Jersey, United States
$120k-$130k/yr OnsiteFull Time
Veranova
Veranova: Global leader in pharmaceutical development and manufacturing.
10+ YOESenior Principal Engineer with API manufacturing, validation, and regulatory compliance; 10+ years in pharma; leadership and CDMO collaboration.
3mo
Save
Mark Applied
Hide
API Equipment Inspector
Linden or New Castle
OnsiteFull Time
Nexpera
Nexpera: Recycles industrial chemicals and manufactures sulfur-based products.
3+ YOE3+ years in high-hazard chemical/oil refining industries; API 510/570/653 certs (2 of 3); travel ~40%; PSM knowledge; able to obtain missing API certs; strong QA/inspection expertise; driver license and TWIC; proficient in MS Office; SAP experience.
MS Office, SAP
4w
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
Software Developer
Mount Laurel, New Jersey, United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
2+ YOEU.S. citizen able to obtain Secret clearance, Bachelor's in Engineering/Computer Science (or equivalent) with ~2+ years experience, experience with Java or Python (Java preferred), software integrations/APIs, data pipelines/ETL familiarity, strong communication and problem-solving skills.
Java, Python, Cameo Systems Modeler, Ansys ModelCenter, Ansys STK, APIs
3w
Save
Mark Applied
Hide
Sr. Customer Solutions Engineer
United States or Philadelphia
RemoteFull Time
FORT Robotics
FORT Robotics: Wireless safety systems for autonomous machines and industrial robotics.
4+ YOE4+ years in systems engineering or field integration in robotics/industrial automation; leads complex customer integrations; deep knowledge of CAN bus, electrical systems, API integration, and functional safety standards; willing to travel up to 25–30%.
CAN bus, API, ISO 13849, IEC 61508, ROS, PLC, EtherNet/IP, Modbus
3w
Save
Mark Applied
Hide
Automation Engineer
West Chester, Pennsylvania, United States
OnsiteFull Time
CTDI: Repairs and manages logistics for telecommunications and electronic equipment.
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
2w
Save
Mark Applied
Hide
Principal Solutions Engineer
Malvern, Pennsylvania, United States
HybridFull Time
Crane NXT
Crane NXTNYSE: CXT: Provides industrial technology for secure payments and product authentication.
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
1w
Save
Mark Applied
Hide
Sr Design Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
Timken
TimkenNYSE: TKR: Designs and manufactures engineered bearings and industrial motion products.
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
1mo
Save
Mark Applied
Hide
Agentic AI Software Engineer
King of Prussia or Aurora
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years software engineering with Python; BS in CS or related field; TS/SCI clearance with CI polygraph; experience building microservices and REST APIs.
Python, Git, GitLab, GitHub, Jira, Confluence, RESTful APIs, Microservices, CI/CD
1mo
Save
Mark Applied
Hide
Agentic AI Software Engineer
King of Prussia or Aurora
$82k-$172k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive TS/SCI clearance, polygraphable, Bachelor’s in Computer Science or related, 5+ years software engineering with strong Python, experience with microservices, RESTful APIs, Git and CI/CD, LLMs/agent frameworks, and Agile practices.
Python, Git, GitLab, GitHub, Bitbucket, CI/CD, Jira, Confluence, microservices, RESTful APIs, LLMs, LangGraph, CrewAI, AutoGen, Pydantic AI, MCP, A2A, RAG, vector databases, Langfuse, MLflow, DSPy, AWS, Azure, Kubernetes, Helm, React, Angular, JavaScript, TypeScript
3mo
Save
Mark Applied
Hide
URBN Staff Engineer, GenAI
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Urban Outfitters
Urban OutfittersNASDAQ: URBN: Multi-brand retail operator of lifestyle apparel and home goods.
1+ YOE1+ year hands-on experience with image generation systems; strong Python and ML framework skills; experience designing scalable APIs and cloud infrastructure; Bachelor's or Master's in CS/Engineering/Math or related field; excellent communicaton and collaboration.
Python, PyTorch, Hugging Face, LangGraph, ADK, A2A, CrewAI, MCP, FastAPI, GraphQL, Docker, Terraform, Airflow, dbt
3mo
Save
Mark Applied
Hide
PED Integration Dataflow Engineer
Aberdeen Proving Ground, Maryland, United States
$94k-$225k/yr OnsiteFull Time
RSC2
RSC2: Provides technical and engineering services to federal defense agencies.
8+ YOE8 years in systems/network engineering or software integration for defense/intelligence; TS/SCI eligibility; master’s preferred in engineering or CS
APIs, Message Bus, Middleware, DCGS-A, SATCOM
1d
Save
Mark Applied
Hide
Senior Azure Integration Engineer (Remote Opportunity)
Atlanta or Philadelphia
RemoteFull Time
VetsEZ
VetsEZ: Digital transformation and healthcare IT services for government agencies.
10+ YOE10+ years software/data engineering experience with 5+ years Azure (Data Factory, Databricks, Data Lake Gen2); expertise in Python, PySpark, SQL, APIs, DevOps; strong technical leadership and federal/regulatory experience preferred.
Azure Data Factory, Azure Databricks, Azure Data Lake Storage Gen2, REST, Python, PySpark, SQL, JSON, Git, Azure DevOps, Azure Monitor, Azure API Management, Azure Functions, Event Grid, Event Hubs, Service Bus
3mo
Save
Mark Applied
Hide
Engineer - Test Execution Core + Policy Charging
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Tech Mahindra
Tech MahindraNational Stock Exchange of India: TECHM: Global provider of information technology and business consulting services.
Experience with Ericsson charging/billing/activation; 3GPP call flows; 5G/CUPS/LTE policy; PCRF/PCF; OSS/BSS protocols; APIs and automation.
Ericsson Charging, Activation systems, 3GPP, PCRF, PCF, Gx, Gy, OCS, HSS, HLR, DPI, SPI, SNP, Gz, SOAP, REST, PCC
2d
Save
Mark Applied
Hide
Product Development Engineer 2 (AI-Native) (Onsite role)
Ambler, Pennsylvania, United States
$90k-$115k/yr OnsiteFull Time
Phenom
Phenom: AI-powered talent experience platform for hiring and retaining talent.
3+ YOE3+ years software/product engineering experience, bachelor's in CS/Software Engineering/IT required (master's preferred). Must build production-quality code, own features end-to-end, and work with AI tooling, APIs, databases, testing, distributed systems, and observability.
Python, Java, JavaScript, TypeScript, Go, SQL, REST APIs, JSON, LLMs, Agent SDK
1mo
Save
Mark Applied
Hide
Solution Engineer
New York or Austin or Dallas or Jersey City or Miami or Philadelphia or Tampa
HybridFull Time
Unframe: Provides a platform for deploying custom enterprise AI solutions.
5+ YOE5+ years in solutions engineering, pre-sales, or product management; strong enterprise software and APIs experience; familiar with cloud platforms; excellent English communication; client-facing and collaborative.
APIs, Enterprise Software, Cloud Platforms
1mo
Save
Mark Applied
Hide
Senior Solutions Engineer
Arlington or Atlanta or Austin or Boston or Charlotte or Chicago or Dallas or Houston or Indianapolis or Kansas City or Minneapolis or New York or Philadelphia or St Louis
$168k-$252k/yr RemoteFull Time
Amplitude
AmplitudeNasdaq: AMPL: Develops digital analytics software for tracking customer product behavior.
5+ YOE5+ years in software pre-sales; hands-on SQL, Python or R, and APIs; experience closing enterprise technical evaluations; comfortable presenting to engineers and executives.
Amplitude, Python, SQL, APIs, R, Google Analytics 4, Adobe Analytics, Mixpanel, Tableau, Looker, Microsoft Power BI
2d
Save
Mark Applied
Hide
Visual Inspector - API 510/570/653
New Castle, Delaware, United States
FieldFull Time
Acuren
Acuren: Provider of inspection, NDE, and industrial asset integrity services.
2+ YOEAPI 510/570 certification required (or equivalent), 5–10 years experience or 2+ years on-site, API 653 or CWI a plus, in-depth knowledge of API and ASME standards, experience supporting petrochemical engineers.