2,102 api developer jobs at 883 companies in Berkeley Heights, NJ

2mo
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API Security Engineer
Berkeley Heights or Alpharetta or Coral Springs
$110k-$186k/yr OnsiteFull Time
Fiserv
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
4w
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Sr Java API Developer - New York
New York, New York, United States
$40k-$140k/yr OnsiteFull Time
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
1mo
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Software Engineer, Developer API
New York City or San Francisco or United States or Canada or United Kingdom
$168k-$330k/yr HybridFull Time
Ramp
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.
Python, Temporal, Postgres
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Senior Software Engineer | API
New York, New York, United States
$140k-$220k/yr HybridFull Time
DeepL
DeepL: AI-powered language translation and writing assistance platform.
Backend/API engineering focus with REST, distributed systems, and developer experience.
2w
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Member of Technical Staff (Software Engineer, Backend API)
London or Serbia or Berlin or New York City
$200k-$350k/yr OnsiteFull Time
Perplexity
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.
Go, Rust, Python, MCP, Kubernetes, CI/CD
3w
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Python API Engineer
Fort Mill or Charlotte or New York City or San Diego or Austin
$106k-$177k/yr OnsiteFull Time
LPL Financial
LPL FinancialNASDAQ: LPLA: Provides independent financial advisory and wealth management services.
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).
Python, AWS Lambda, Amazon API Gateway, CloudWatch, IAM, S3, Terraform, Jenkins, GitHub Actions, SQL, AWS SAM, Serverless Framework, EventBridge, SNS, SQS, Dynatrace, Datadog, OpenTelemetry, Git
1mo
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API Developer/Data Engineer Managing Consultant-Fraud/AI
McLean or New York City or Arlington or United States
$130k-$216k/yr HybridFull Time
Guidehouse
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.
Python, Java, JS, C#, .NET, RESTful API, XML, SQL Server, SQL, CSV, TXT, JSON, Parquet, GCP, Apigee, Kong, Azure API Management, AWS API Gateway, LexisNexis, Oracle Mantas, Actimize, Fircosoft, Oracle Mantas, World-Check, Dow Jones, Chainalysis, Elliptic, TRM Labs
2mo
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Platform Engineer- GraphQL/API
Dublin or San Jose or New York City or Shanghai
HybridFull Time
eBay
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
2mo
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Senior Software Engineer - MDM / RDM & API Development
Newark, New Jersey, United States
$104k-$172k/yr HybridFull Time
Prudential Financial
Prudential FinancialNYSE: PRU: Provides insurance, investment management, and retirement services globally.
Senior software engineer with experience in MDM/RDM, API development, Python/Spark/Node.js, and Agile practices.
Python, Spark, Node.js, NoSQL, Relational Databases, SQS, Kinesis, REST, JSON, SOAP, XML, JDBC, MySQL, Git, Jenkins, AWS, CloudWatch, CodeDeploy
1mo
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Software Engineer - Customer Integrations (API)
New York, New York, United States
$125k-$145k/yr HybridFull Time
TheGuarantors
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.
Go, Java, Python, C#, SQL, AWS, Azure, GCP, OCI, Terraform
1mo
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Full Stack Software Engineer, API Experience
New York City, New York, United States
$293k-$385k/yr OnsiteFull Time
OpenAI
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.
TypeScript, React, Python, Go, Rust, SDKs
1w
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Software Engineer, External API Security
New York, New York, United States
$147k-$210k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
2+ YOEBachelor's degree or equivalent practical experience; 2 years of software development and security software experience; proficiency in Go, Java, or Python preferred.
Go, Java, Python
1mo
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Senior Software Engineer - API Platform & Client Tooling
Bellevue or Livingston or New York City or San Francisco or Sunnyvale
$153k-$204k/yr OnsiteFull Time
CoreWeave
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.
Go, gRPC, protocol buffers, Buf, ConnectRPC, Terraform Plugin Framework, Cobra, CWIC
1mo
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Cloud & API Platforms Practice Lead (AVP)
St. Louis or Chicago or Boston or Houston or Dallas or Irvine or Minneapolis or Detroit or Alpharetta or New York City
$150k-$250k/yr OnsiteFull Time
Perficient
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
1mo
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Senior Software Engineer, API Platform
New York, New York, United States
$160k-$200k/yr HybridFull Time
Nayya
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.
Python, Go, Node, Typescript, Ruby on Rails, AWS, LangChain, LlamaIndex, LangGraph
1mo
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Senior Backend Engineer (Python/API) - Hybrid NYC- Blueflame AI
New York City, New York, United States
$141k-$248k/yr HybridFull Time
Datasite
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.
Python, MongoDB, Redis, RESTful APIs, LLMs
1w
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Developer Relations
San Francisco or New York City
$290k-$435k/yr HybridFull Time
Anthropic
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.
Claude Code, Claude Tag, API, GPT-3
1mo
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Senior Salesforce Developer
Waltham or Rancho Dominguez or Bridgewater
$130k-$170k/yr OnsiteFull Time
Repligen
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
3mo
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Duckcreek Developer
New York City, New York, United States
$140k-$150k/yr OnsiteFull Time
Capgemini
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
2mo
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Senior Engineer - Salesforce CRM Engineer
New York City, New York, United States
$118k-$231k/yr HybridFull Time
MongoDB
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