2,203 api engineer jobs at 926 companies in Yorktown Heights, NY

1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Head of Enterprise API Platform
New York or United States
$179k-$294k/yr RemoteFull Time
The Guardian Life Insurance Company of America
The Guardian Life Insurance Company of America: Mutual insurer providing life, disability, dental, and workforce benefits.
10+ YOE5+ Mgmt10+ years in software engineering or platform engineering, 5+ years leading teams, Bachelor's in CS/Engineering or equivalent, expertise in API design, microservices, security, integration patterns, and experience modernizing legacy systems.
AWS, Azure
3mo
Save
Mark Applied
Hide
Senior Software Engineer | API
New York, New York, United States
$140k-$220k/yr HybridFull Time
DeepL
DeepL: German AI product and research providing secure language translation, writing, and real-time voice tools for businesses.
Backend/API engineering focus with REST, distributed systems, and developer experience.
2mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Full Stack Developer (.NET API) - Senior Software Engineer
Stamford, Connecticut, United States
OnsiteFull Time
Information Services Group
Information Services GroupNasdaq: III: Global AI-centered technology research and advisory firm serving commercial and public-sector clients.
6+ YOEBachelor's in computer science or related field, 6+ years full-stack experience with .NET Core API, Angular and SQL Server, strong C#/Web API and front-end (HTML/CSS/JavaScript) skills, REST API experience, communication and leadership abilities.
Angular, .NET Core, SQL Server, C#, Web API, HTML, CSS, JavaScript, Microsoft Azure, Git
3mo
Save
Mark Applied
Hide
Software Engineer, API SDK
San Francisco or Seattle or New York City
$293k-$385k/yr HybridFull Time
OpenAI
OpenAI: AI research and deployment focused on beneficial AGI.
7+ YOE7+ years of professional engineering experience; experience building SDKs; design and implement SDKs for multiple languages; collaborate across teams.
Python, Node.js, Golang, Java, Ruby, SDK generation
3mo
Save
Mark Applied
Hide
Senior Software Engineer - MDM / RDM & API Development
Newark, New Jersey, United States
$104k-$172k/yr HybridFull Time
Prudential Financial
Prudential FinancialNYSE: PRU: Global leader in financial services, insurance, and investment management.
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
2mo
Save
Mark Applied
Hide
Senior Software Engineer - Customer Integrations (API)
United States or New York City or Dallas or Austin or Houston or Chicago or Nashville or Miami or Atlanta
$140k-$160k/yr RemoteFull Time
TheGuarantors
TheGuarantors: Fintech providing insurance-backed lease guarantees and renters insurance to renters and multifamily operators.
3+ YOE3+ years building backend services with Go/Java/Python/C#; strong API design, SQL/PostgreSQL, cloud (AWS/Azure/GCP/OCI) and Terraform experience; professional software engineering experience and strong communication/system design skills.
Go, Java, Python, C#, SQL, PostgreSQL, AWS, Azure, GCP, OCI, Terraform
2mo
Save
Mark Applied
Hide
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
3d
Save
Mark Applied
Hide
Solution Engineer
New York City or Buenos Aires or Munich or Copenhagen or Odense or Lisbon
HybridFull Time
Usercentrics
Usercentrics: German consent-management SaaS helping businesses collect, manage, and document user consent across websites and apps.
2+ YOERequires a software engineering background, 2+ years deploying production code, API integration and solution design experience, customer-facing communication skills, cross-functional experience, and JavaScript, HTML, CSS, and API expertise.
JavaScript, HTML, CSS, API, AI
2w
Save
Mark Applied
Hide
Solutions Engineer
New York City, New York, United States
$200k-$260k/yr HybridFull Time
Harmony
Harmony: N AI enterprise service-management platform resolving organizations’ IT, HR, finance, procurement, and legal requests.
5+ YOERequires 5+ years in solutions engineering, software engineering, technical consulting, or similar hands-on technical work, with APIs, cloud infrastructure, networking, scripting, debugging, and customer implementations.
Slack, Microsoft Teams, API, Claude Code, Codex, LLM
2mo
Save
Mark Applied
Hide
Senior Engineer
New York, New York, United States
$140k-$220k/yr RemoteFull Time
Tabbed
Tabbed: Mobile checkout and guest intelligence platform built for restaurants where hospitality is the priority.
5+ YOE5+ years software engineering experience; strong TypeScript/Node.js and system design skills; experience with cloud, APIs, payments or POS integrations; independent ownership and strong execution.
TypeScript, Node.js, APIs, Google Cloud, Terraform, Pulumi, React Native, React, Next.js, NestJS, REST, GraphQL, PostgreSQL, Redis, Stripe, Toast, Aloha, Micros, Square
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Deployment Engineer
Bengaluru or New York City or Santa Barbara
RemoteFull Time
Avoca
Avoca: AI conversational-engagement platform helping home-service businesses answer leads, book jobs, and grow revenue.
2+ YOERequires 2+ years of software engineering experience, Python proficiency, systems and API expertise, cloud familiarity, production debugging skills, and strong technical communication. AI experience preferred.
Python, TypeScript, JavaScript, APIs, SQL, NoSQL, AWS, GCP, Azure, LLMs, vector databases
3w
Save
Mark Applied
Hide
Integrations Engineer
New York, New York, United States
$165k-$175k/yr HybridFull Time
Riskified
RiskifiedNYSE: RSKD: Public AI-powered ecommerce fraud-prevention software helping merchants reduce fraud, chargebacks, and policy abuse.
4+ YOE4+ years in integrations/solution engineering, US work authorization required, strong API integration experience, SQL proficiency, ability to read logs and source code, client-facing technical project experience.
SQL, APIs, SDKs
2w
Save
Mark Applied
Hide
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
4w
Save
Mark Applied
Hide
Solution Engineer
New York City or Boston or Palo Alto
$130k-$165k/yr HybridFull Time
Quantifind
Quantifind: Private SaaS helping financial institutions and government agencies detect financial crime with AI.
3+ YOE3+ years customer-facing technical/support/consulting experience; experience implementing SaaS in enterprise environments; familiarity with APIs, SQL, Jira, GitHub, CSV/JSON; BS/MS in CS/math/engineering or equivalent.
Graphyte, APIs, SQL, Atlassian Jira, GitHub, CSV, JSON
2w
Save
Mark Applied
Hide
Staff Engineer
New York City, New York, United States
$215k-$270k/yr OnsiteFull Time
Axle
Axle: AI-native insurance clearinghouse automating property and casualty data workflows for businesses.
6+ YOERequires 6+ years building complex high-scale systems, API design, production AI/ML deployment, end-to-end project ownership, and experience with observability and engineering processes; fintech or data aggregation is a plus.
API, LLM, AI/ML
2mo
Save
Mark Applied
Hide
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