36 java backend developer jobs at 24 companies in Cornwall, NY
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SR Java Backend / Full Stack Developer LEAD
Whippany or New York
HybridContract
Strong Java (8/11/17+) and Spring Boot experience, microservices and REST API development, Angular frontend exposure, SQL/NoSQL knowledge, Kafka familiarity, CI/CD experience; candidates must be based in NY or NJ and eligible on H4 visa.
Java, Spring Boot, Microservices, REST APIs, Angular, SQL, NoSQL, Kafka, CI/CD, Docker, Kubernetes, AWS, Azure, GCP
1mo
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AVP, Back End Engineer
Whippany, New Jersey, United States
$146k-$175k/yr OnsiteFull Time
Experience building backend services with relational/NoSQL databases, server-side languages and frameworks, cloud and container platforms, secure coding, and automated testing; leadership or team lead experience preferred.
Postgres, Oracle, MongoDB, DynamoDB, Java, Spring Boot, Python, Django, C#, C++, .Net, Nodejs, Go, REST, GraphQL, Docker, AWS, Azure, Open Shift
1mo
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Senior Software Engineer - Backend
New York or Manhattan or London
$165k-$180k/yr HybridFull Time
3+ YOE3+ years software development experience, strong Java (Spring Boot) and/or Python (FastAPI) skills, SQL experience, cloud (AWS) familiarity, REST API and distributed systems experience, testing and CI/CD knowledge, bachelors preferred.
Java, Spring Boot, Python, FastAPI, SQL, PL/SQL, AWS, Kubernetes, EKS, Docker, Kafka, Redis, MongoDB, GitHub Actions, GitHub Copilot, Amazon Q, LangChain, LlamaIndex, MCP, A2A
2mo
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Sr Manager, Backend Engineering
Stamford or Irving
$116k-$170k/yr HybridFull Time
8+ YOE2+ Mgmt8+ years web application development; Java EE/Spring; cloud platforms (AWS preferred; Azure valued); leadership; scalable backend design.
Java EE, Spring, HTML, XML, JSON, PL/SQL, AWS, Azure
2w
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Software Engineer, Backend, Level 4
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$133k-$235k/yr OnsiteFull Time
2+ YOEBachelor's in a technical field or equivalent experience,2+ years post-Bachelor’s software development experience,experience with distributed systems,operational skills,collaboration and strong CS fundamentals.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services
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Lead Software Engineer - Java Backend Engineer
New York, New York, United States
$152k-$215k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience, advanced Java 17+ and Spring Boot, REST/microservices, Cassandra/Cockroach DB, Cucumber, CI/CD practices; experience with AI-assisted development, system design, testing, and operational stability.
Java 17+, Spring Boot, REST, micro services, Cassandra, Cockroach, Cucumber, Maven, Jenkins, Kafka, IBM MQ, AWS
3w
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Senior Java Developer, FX eCommerce, Vice President
New York City or Jersey City or Tampa
$142k-$213k/yr HybridFull Time
6+ YOEStrong Java skills for multithreaded, low-latency backend systems; 6+ years apps development; experience with large-scale resilient systems, project management, and clear communication.
Core Java, Spring Boot, Solace, JVM
3w
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Senior Java Developer, FX eCommerce, Vice President
New York City or Jersey City or Tampa
$142k-$213k/yr HybridFull Time
6+ YOE6+ years Java development experience building multithreaded, low-latency, large-scale backend systems; experience with system analysis, leadership, and project management; bachelor's degree preferred.
Core Java, Spring Boot, Solace
2w
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Senior Java Full Stack Developer (Java, Spring Boot, Angular) (Hybrid)
Orlando or Pittsburgh or New York City or Jersey City
$68k-$132k/yr HybridFull Time
6+ YOE6+ years backend experience with Java 17, Spring Boot/microservices, Apache Kafka, SQL, Git, and JUnit 5; strong distributed systems and performance tuning skills.
Java 17, Spring Boot, Spring Framework, Apache Kafka, SQL, Git, JUnit 5
1w
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Software Engineer – Backend Platforms, Assistant Vice President (Wealth Custody & Clearing)
Boston or Princeton or Austin or Quincy or Clifton
$90k-$158k/yr HybridFull Time
7+ YOE7+ years software engineering experience building backend services, APIs, distributed systems and cloud-native applications; strong engineering fundamentals; Bachelor's preferred; experience with Java/Kotlin/Python/TypeScript; Agile and production support experience.
Java, Kotlin, Python, JavaScript, TypeScript, RESTful APIs, microservices, CI/CD, DevOps, Docker, Kubernetes
1w
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Software Engineer – Backend Platforms, Assistant Vice President (Wealth Custody & Clearing)
Boston or Princeton or Austin or Quincy or Clifton
$90k-$158k/yr HybridFull Time
7+ YOE7+ years software engineering experience; bachelor's preferred; expertise in backend development, APIs, microservices, cloud, CI/CD, Docker/Kubernetes, and enterprise delivery; strong communication and problem solving.
Java, Kotlin, Python, JavaScript, TypeScript, RESTful APIs, Docker, Kubernetes, CI/CD pipelines
2w
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Principal Java Microservices Architect — AI & Agentic Platforms
Chicago or New York
$165k-$205k/yr HybridFull Time
12+ YOE12+ years software engineering, 7+ years microservices/system design/technical leadership. Strong hands-on experience with Java, Spring Boot, microservices, cloud platforms, observability, and AI/agentic backend systems.
Java (17/21), Spring Boot, Spring Cloud, Reactive Java (Project Reactor / RxJava), gRPC, GraphQL, WebSockets, REST APIs, TypeScript, Python, Node.js, Resilience4j, Redis, Google Cloud, AWS, Azure, Docker, Kubernetes (GKE), Istio, Prometheus, Grafana, OpenTelemetry, Datadog, Agent Development Kit (ADK), Model Context Protocol (MCP)
1mo
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Software Engineer
New York City or Englewood Cliffs
$120k-$150k/yr HybridFull Time
3+ YOE3+ years software development; backend (Java, Node.js, Python, Go), frontend (JavaScript/TypeScript, React/Vue/Angular), microservices and REST APIs, cloud (AWS/Azure), Git and CI/CD experience.
Java, Node.js, Python, Go, JavaScript, TypeScript, HTML, CSS, React, Vue, Angular, AWS, Azure, Git, GitHub Actions, Jenkins, Terraform, CloudFormation, Datadog, Prometheus, ELK
1w
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Lead Engineer
Parsippany, New Jersey, United States
$130k-$140k/yr OnsiteFull Time
8+ YOE8+ years software engineering experience with 5+ years Java backend; hands-on OCI experience; leadership of engineering teams; microservices, containerization, CI/CD, security, and Oracle DB expertise.
Java, Java 11+, Spring Boot, JPA/Hibernate, Oracle Cloud Infrastructure (OCI), Oracle Kubernetes Engine (OKE), Autonomous Database, Oracle DB, OCI Vault, OCI Observability, OCI DevOps, Docker, Kubernetes, Kafka, OCI Streaming, OCI Queue, Terraform, Jenkins, GitLab CI, Git, Oracle Fusion ERP/EPM, Data Lake, GoldenGate, Oracle AI Data Platform
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Software Engineer
New York, New York, United States
OnsiteFull Time
2+ YOE2+ years backend development with Python and Java/Spring; knowledge of equities; SQL proficiency; exposure to Angular; REST API, Git, CI/CD, Spring Boot/Cloud, microservices, caching (Gemfire/Redis), Solace, cloud (AWS/Azure/Google Cloud), Docker/Kubernetes.
Python, Java, Spring Boot, Spring Cloud, SQL, Angular, Git, Pivotal Cloud Cache (Gemfire), Redis, Solace, AWS, Azure, Google Cloud, Docker, Kubernetes
1mo
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Staff Software Engineer - Data Governance
San Francisco or New York City
$208k-$274k/yr HybridFull Time
8+ YOE8+ years building and operating backend distributed systems; strong fundamentals in data stores, consistency and reliability; experience with Go or Java; ability to lead complex system design and align cross-team stakeholders.
Go, Java
5d
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Staff Software Engineer - Confluent Kafka Storage
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or Armonk or Boston or Bellevue or Atlanta or San Jose or Dallas or Austin or San Francisco or Seattle or New York City
$161k-$299k/yr HybridFull Time
10+ YOE10+ years backend/infrastructure experience; BS in CS or equivalent; expertise in Java/Scala/C/C++/Go; deep knowledge of distributed storage systems, systems-level concepts, and leadership/mentoring skills.
Java, Scala, C/C++, Go, Apache Kafka, Apache Iceberg, Apache Flink, AWS, Azure, GCP, Kora
1mo
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EY-Parthenon - Strategy and Execution - Growth Platforms - Software Engineer - Sr Assoc/Consultant (New York, NY, US, 10001-8604)
New York or Atlanta or Boston or Chicago or Dallas or Denver or Detroit or Houston or Los Angeles or McLean or Hoboken or Philadelphia or San Francisco or Seattle
$130k-$185k/yr HybridFull Time
1.5+ YOEBachelor's degree plus ~2 years related experience (or graduate degree plus ~18 months). Experience with backend/full‑stack development (Python, Java, Scala, TypeScript), cloud (AWS/GCP), containerization, IaC, LLM integration, and productionizing AI tooling; strong communication and client‑facing skills.
Python, Java, Scala, TypeScript, AWS, GCP, Microsoft Copilot
3mo
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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
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Senior Software and AI Engineer
Livingston or New York or Sunnyvale or San Francisco or Bellevue
$182k-$242k/yr OnsiteFull Time
3+ YOE3+ years professional programming; full‑stack development with React/TypeScript and backend services in Node.js or Go; experience with GenAI/LLM frameworks (LangChain, ChatGPT API, Glean API); cloud, Kubernetes, and CI/CD familiarity.
Workato, LangChain, LangGraph, ChatGPT agentflow, ChatGPT API, OpenAI API, Gemini agent flow, Glean API, React, TypeScript, Node.js, Go, Python, C++, C#, Java, FastAPI, gRPC, Next, Cursor, Claude, Copilot, ChatGPT Codex, Ray, Kafka, Spark, Kubernetes, AWS, Azure, GCP, Workato, Boomi, ERP, HRIS, DCIM, Data Warehouse
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