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2,021 api developer jobs at 907 companies in New York

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Principal Engineer API Platform
Minnesota or New York or Texas or Illinois
$144k-$288k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Diversified healthcare integrating retail, pharmacy, and insurance services.
10+ YOE3+ Mgmt10+ years software engineering with enterprise API design, API security (OAuth2/OIDC/mTLS), API gateways, cloud platforms, Java/Node.js, and experience shaping technical direction across teams.
OAuth 2.0, OIDC, mTLS, Apigee, Kong, Azure APIM, JavaScript, TypeScript, Node.js, React, Java, Spring Boot, GCP, AWS, Azure, GraphQL, Kafka, FHIR, HL7, MCP, CI/CD, LLM
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Sr Java API Developer - New York
New York, New York, United States
$40k-$140k/yr OnsiteFull Time
Photon Interactive
Photon Interactive: Full-service digital agency driving AI-led digital transformation.
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
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2mo
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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: Finance automation platform for business.
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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Software Engineer - Customer Integrations (API)
New York, New York, United States
$125k-$145k/yr HybridFull Time
TheGuarantors
TheGuarantors: Fintech providing insurance-backed lease guarantees and renters insurance to renters and multifamily operators.
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
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2mo
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Full Stack Software Engineer, API Experience
New York City, New York, United States
$293k-$385k/yr OnsiteFull Time
OpenAI
OpenAI: AI research and deployment focused on beneficial AGI.
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
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2w
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Software Engineer, External API Security
New York, New York, United States
$147k-$210k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOG, GOOGL: Global technology specializing in internet-related services and products.
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
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Member of Technical Staff (Software Engineer, API Platform)
San Francisco or New York City
$220k-$405k/yr OnsiteFull Time
Perplexity AI
Perplexity AI: Private American software offering an AI-powered conversational search engine with real-time web answers and citations.
5+ YOE5+ years backend engineering with Python, Go, or Rust; strong high-traffic API design, AWS and Kubernetes experience, CI/CD and DevOps fluency; experience with AI APIs a plus.
Python, Go, Rust, AWS, Kubernetes, CI/CD
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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: Specialized cloud provider for large-scale AI and machine learning.
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
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Senior Software Engineer, API Platform
New York, New York, United States
$160k-$200k/yr HybridFull Time
Nayya
Nayya: AI-powered employee benefits and wealth platform helping employers and workers understand and use health and financial 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
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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: Private global digital consultancy providing AI, technology, and digital transformation services to 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
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Senior Staff Software Engineer | API
New York, New York, United States
HybridFull Time
DeepL
DeepL: German AI product and research providing secure language translation, writing, and real-time voice tools for businesses.
10+ YOE10+ years building high-scale distributed systems and API platforms; experience with cloud stacks, enterprise integrations, compliance, security, and strong written strategic communication.
AWS Marketplace
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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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Senior Backend Engineer (Python/API) - Hybrid NYC- Blueflame AI
New York City, New York, United States
$141k-$248k/yr HybridFull Time
Blueflame AI
Blueflame AI: Private global SaaS providing M&A workflow, virtual data room, intelligence, and AI solutions to dealmakers.
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
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3w
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Developer Relations
San Francisco or New York City
$290k-$435k/yr HybridFull Time
Anthropic
Anthropic: AI research developing safe and steerable AI 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
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Software Engineer, Developer Platform
San Francisco or New York City
$213k-$320k/yr HybridFull Time
Notion
Notion: Collaborative workspace for notes, projects, and AI tools.
7+ YOERequires 7+ years shipping production software, end-to-end feature ownership, and TypeScript fluency across backend and frontend. Developer tools, APIs, SDKs, and AI tooling experience are advantageous.
TypeScript, APIs, MCP, SDKs, LLM
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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: Unified data platform for building modern applications.
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
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2w
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AI Native Engineer
New York City, New York, United States
HybridFull Time
Legalist
Legalist: Alternative asset manager using data-driven technology to invest in credit assets for endowments, foundations, and family offices.
3+ YOERequires 3+ years of software development, hands-on LLM API and AI agent experience, backend/API, database and cloud skills, production delivery, complex dataset experience, and independent problem-solving.
OpenAI, Anthropic, LLM APIs, RAG, retrieval, embeddings, vector search, APIs, databases, cloud infrastructure
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2w
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Intern Application Developer – Adobe
Buffalo, New York, United States
$46k/yr HybridInternship, Contract
IBM Consulting
IBM Consulting: IBM's consulting division provides strategy, technology, operations and AI transformation services to businesses and governments worldwide.
Currently pursuing a bachelor's degree in a technical field with basic programming knowledge and exposure to software development, databases, APIs, cloud technologies, and problem-solving.
Java, Python, JavaScript, C#, C++, Git, APIs, databases, Agile, DevOps, cloud platforms, user interface frameworks, Artificial Intelligence, Adobe
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Backend Engineer
London or New York City or Paris
HybridFull Time
SeedLegals
SeedLegals: Private UK legal-technology platform that automates fundraising, cap-table, and business legal documents for startups and small businesses.
Mid-level backend engineering role requiring Kotlin and Spring experience, high-performance API development, software engineering best practices, test-driven development, code review, and full lifecycle ownership.
Kotlin, Spring, Claude, LLMs, JVM, APIs
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6d
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Mulesoft Developer
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
$54k-$196k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOERequires 3+ years software development, 2+ years API development and Git/Agile/testing, 1+ year MuleSoft development, MuleSoft Developer Level 1, and a bachelor's degree or equivalent experience.
Anypoint Platform, Anypoint Studio, Mule Runtime, DataWeave, MUnit, Git, SOAP, REST, XML, JSON, YAML, Anypoint MQ, API Manager, Anypoint Exchange, CloudHub, Salesforce, SAP, Workday, Oracle Cloud Applications, ServiceNow, CI/CD, AWS, Azure, Flex Gateway, Model Context Protocol (MCP), GenAI, HL7, FHIR, Boomi, Informatica, SnapLogic, Workato
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