2,102 api developer jobs at 883 companies in Berkeley Heights, NJ
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API Security Engineer
Berkeley Heights or Alpharetta or Coral Springs
$110k-$186k/yrOnsiteFull Time
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
5+ YOE5+ years IT/cyber experience; strong API security knowledge (OAuth2/OIDC, JWT), runtime protection (API gateways, WAF/WAAP, service mesh), CI/CD automation, telemetry/analytics, and ability to align controls to industry frameworks. Bachelor’s preferred or equivalent.
Traceable, Salt Security, NoName, Open API, JSON Schema, OAuth2, OIDC, JWT, mTLS, API gateways, WAF, WAAP, service mesh, ingress controllers, CI/CD, policy-as-code, SAST, DAST, Git, FAPI, NIST, ISO 27001, PCI DSS, OWASP
Photon: A technology employer building secure, scalable, and maintainable backend and API solutions.
5+ YOE5+ years Java backend experience, proficiency with Java 11/17, Spring ecosystem, RESTful APIs, relational and NoSQL databases, API security, CI/CD, and testing frameworks.
Java 11, Java 17, Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Hibernate, REST, OpenAPI/Swagger, JSON, GraphQL, PostgreSQL, MySQL, Oracle, MongoDB, Cassandra, Apache Kafka, RabbitMQ, Maven, Gradle, JUnit, Mockito, REST Assured, Jenkins, GitHub Actions, GitLab CI, Microsoft Azure DevOps, Docker, Kubernetes, Git, Redis, Hazelcast, Prometheus, Grafana, ELK Stack, Splunk
New York City or San Francisco or United States or Canada or United Kingdom
$168k-$330k/yrHybridFull Time
Ramp: Financial operations platform for corporate cards and spend management.
5+ YOE5+ years backend engineering, experience building APIs/platforms, hands-on with Python, Temporal, and Postgres, familiarity with AI coding agents, strong ownership and developer-experience focus.
Member of Technical Staff (Software Engineer, Backend API)
London or Serbia or Berlin or New York City
$200k-$350k/yrOnsiteFull Time
Perplexity: AI-powered search engine providing conversational answers with citations.
Experience designing and operating distributed high-load systems, cloud infrastructure, Kubernetes, CI/CD, and either API product engineering or platform operations; strong autonomy and product sense required.
7+ YOE7+ years software engineering experience with Python, REST APIs, AWS (Lambda, API Gateway, CloudWatch, IAM, S3), Terraform, CI/CD (Jenkins/GitHub Actions), and production support; BS in CS or related (MS preferred).
API Developer/Data Engineer Managing Consultant-Fraud/AI
McLean or New York City or Arlington or United States
$130k-$216k/yrHybridFull Time
Guidehouse: Provides management and technology consulting services to diverse organizations.
5+ YOEUS citizen able to obtain Public Trust,5+ years in data engineering/integration, proficiency in Python, Java/JS, .NET (C#), RESTful APIs, XML, SQL/SQL Server, GCP, data formats (JSON, Parquet), and experience leading technical teams.
eBayNASDAQ: EBAY: Global online marketplace for buying and selling diverse products.
3+ YOE3+ years software engineering experience; strong Java and Spring Boot skills; GraphQL and API design experience; CI/CD (Maven/Jenkins); Kubernetes and cloud-native deployments; focus on reliability, scalability, and developer experience.
Java, Spring Boot, GraphQL, REST, CI/CD, Maven, Jenkins, Kubernetes
TheGuarantors: Provides lease guarantees and security deposit alternatives for rentals.
2+ YOE2+ years building backend services with Go/Java/Python/C#/SQL, strong API design, system design, cloud experience (AWS/Azure/GCP/OCI) and IaC with Terraform; strong communication skills.
OpenAI: Develops artificial intelligence models and generative AI software services.
5+ YOE5+ years engineering experience; strong TypeScript and React; proficiency in one or more backend languages (Python, Go, Rust, TypeScript); experience building production APIs, services, SDKs, and developer tooling.
2+ YOEBachelor's degree or equivalent practical experience; 2 years of software development and security software experience; proficiency in Go, Java, or Python preferred.
Senior Software Engineer - API Platform & Client Tooling
Bellevue or Livingston or New York City or San Francisco or Sunnyvale
$153k-$204k/yrOnsiteFull Time
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
Production Go experience, API design and versioning, client tooling/SDK/CLI or provider work, code-generation or compiler/tooling experience preferred, cross-team collaboration and mentorship.
St. Louis or Chicago or Boston or Houston or Dallas or Irvine or Minneapolis or Detroit or Alpharetta or New York City
$150k-$250k/yrOnsiteFull Time
Perficient: Provides digital transformation and AI consulting for global enterprises.
10+ YOE5+ Mgmt10–15 years experience with 5+ years leading practices; expertise in Platform API and IBM Cloud solutions, hands-on consulting, GTM strategy, partner/channel relationships, AI delivery knowledge, and willingness to travel.
MuleSoft, Apigee, Boomi, Workato, TIBCO, Terraform, IBM Cloud
Nayya: AI platform optimizing employee health and wealth benefits.
6+ YOE6+ years building backend services and public/partner-facing APIs; deep API design and distributed systems expertise; production experience with Python, Go, Node, Typescript, or Ruby on Rails on AWS; mentoring and on-call experience.
Senior Backend Engineer (Python/API) - Hybrid NYC- Blueflame AI
New York City, New York, United States
$141k-$248k/yrHybridFull Time
Datasite: SaaS platform for managing mergers, acquisitions, and strategic projects.
8+ YOE8+ years professional software engineering experience, expert Python, production REST API design, system architecture and distributed systems experience, MongoDB and Redis, NYC-based or willing to relocate, able to work hybrid 3 days/week.
Anthropic: Developing safe and reliable artificial intelligence systems.
5+ YOE5+ years in developer relations, developer experience, or technical product/engineering roles; AI/ML and API knowledge; production-quality coding, technical content, collaboration, and responsible AI commitment.
RepligenNASDAQ: RGEN: Develops and manufactures bioprocessing technologies for pharmaceutical drug production.
7+ YOEBachelor's in a technical field,7+ years Salesforce development experience,Platform Developer I required; expertise in Apex,LWC,Visualforce,SOQL/SOSL,APIs and integrations; strong security, data modeling, and agile experience.
Salesforce, Sales Cloud, Service Cloud, Experience Cloud, Data Cloud, Salesforce CPQ, Apex, Lightning Web Components (LWC), Visualforce, SOQL, SOSL, APIs, REST, SOAP, KBMax, Xactly, SAP, Einstein, Agentforce, Agile, Scrum
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
Experienced Duck Creek developer with expertise in Policy, Billing, or Claims; Author, Product Studio, integrations, .NET, APIs, messaging, CI/CD, and SQL Server.
Author, Product Studio, C#, .NET Framework, .NET Core, Web API, LINQ, JSON, XML, REST, SOAP, Azure API Management, Kafka, RabbitMQ, Azure Service Bus, SFTP, Azure DevOps, Jenkins, SQL Server
MongoDBNASDAQ: MDB: Cloud-based document database platform for software application development.
8+ YOEBachelor’s/Master’s in CS or related, 8+ years Salesforce development experience, strong hands-on Apex, LWC, JavaScript, Flows, SOQL, APIs, CI/CD, integrations; Platform Developer II preferred.
Salesforce, Apex, Lightning Web Components (LWC), JavaScript, Flows, SOQL, APIs, CI/CD, ETL tools, GitHub Copilot, Agentforce, Claude Code, Cursor, MongoDB Atlas, AWS, Google Cloud, Microsoft Azure