54 java back end developer jobs at 31 companies in Newfane, NY
1mo
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Specialist Java Backend Developer
Toronto or Port of Spain
OnsiteFull Time
10+ YOEDegree in software/computer/IT engineering; 10+ years Java experience with REST/JSON, microservices, MQ, Spring/Spring Boot, cloud-native and DevOps; enterprise security knowledge and Agile leadership skills.
Java, RESTful APIs, Microservices, MQ, Spring Boot, Spring Framework, JSON, Apigee
5d
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Senior Java Backend Developer - Operate
Toronto, Ontario, Canada
$72k-$138k/yr HybridContract, Temporary
5+ YOE5+ years Java, Spring Boot, microservices, and REST API development; 3+ years Agile/Scrum; enterprise distributed systems, databases, testing, CI/CD, and a bachelor's degree or equivalent experience.
Java, Spring Boot, Apache Spark, PostgreSQL, MySQL, Oracle, SQL Server, Hibernate, JPA, SDLC, CI/CD, Agile, Scrum
1w
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Senior Java Backend Engineer
Toronto, Ontario, Canada
$84k-$135k/yr HybridFull Time
10+ YOEBachelor's degree and 10+ years backend engineering experience. Deep hands-on Java, Spring Boot, Apache Kafka, AWS, and SQL. Experience with distributed systems, CI/CD, testing, Agile; Docker/Kubernetes preferred.
Java, Spring Boot, Apache Kafka, AWS, SQL, Docker, Kubernetes
3w
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Senior Java Backend Developer (Open Liberty)
Toronto, Ontario, Canada
$95k-$145k/yr HybridFull Time
5+ YOE5+ years Java development, experience with microservices, Open Liberty, cloud (GCP preferred), DevOps tools, and onsite/offshore delivery; university/college degree in IT.
JAVA/J2EE, Spring Rest services, Micro services, OAUTH2.0, ReactJS, Springboot, Node JS, JavaScript, Swagger/Open API, Jenkins, GitHub, JFROG Artifactory, Ansible, JIRA, Atlassian Confluence, Microsoft Azure, OpenShift, HA Proxy, Apache web server, F5, GCP, IBM Open Liberty
1mo
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Java Backend Lead (Hybrid)
Toronto, Ontario, Canada
$71k-$112k/yr HybridFull Time
10+ YOE10+ years Java backend development; expertise in Spring Boot, microservices, REST, SQL, Spring Security; cloud (AWS/Azure/OpenShift); Docker, Kubernetes, CI/CD (GitHub Actions); proven technical team leadership and system design skills.
Java, Spring Boot, Spring Security, SQL, AWS, Azure, OpenShift, Docker, Kubernetes, GitHub Actions, GitHub Copilot, Splunk, Dynatrace, Angular
3mo
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Senior Java Back End Developer – Assistant Vice President
Mississauga or Toronto
$94k-$142k/yr HybridFull Time
6+ YOE6+ years apps development experience with Core Java, concurrent programming, Agile/TDD, distributed caching, RDBMS/NoSQL, Linux scripting, CI/CD tools, Kafka, cloud containers, and Capital Markets/credit risk domain knowledge.
Java, GridGain, Oracle Coherence, Redis, Oracle, MongoDB, Linux, Git, BitBucket, Jenkins, SonarQube, JIRA, Devin, Co-Pilot, Flink, Docker, Kubernetes, Kafka
3mo
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Senior Java Back End Developer – Assistant Vice President
Mississauga or Toronto
$94k-$142k/yr HybridFull Time
6+ YOE6+ years apps development experience with Core Java, concurrent programming, Agile/TDD, distributed caching, RDBMS/NoSQL, Linux scripting, CI/CD (Git/BitBucket, Jenkins), Kafka, cloud/container technologies and Capital Markets domain knowledge.
Core Java, GridGain, Oracle Coherence, Redis, Oracle, MongoDB, Linux, Git/BitBucket, Jenkins, SonarQube, JIRA, Devin, Co-Pilot, Flink, Docker, Kubernetes, Kafka
4d
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Senior Back End Engineer Java/OLAP
Etobicoke, Ontario, Canada
$130k-$160k/yr HybridFull Time
5+ YOERequires 5+ years of Java development, JVM-based OLAP experience, multidimensional data modeling, JVM performance optimization, service-contract design, testing, Git, CI/CD, and English communication. A computer science or software engineering degree is required or equivalent experience.
Java, Atoti, ActivePivot, JVM, Git, CI/CD, PostgreSQL, AWS Aurora Serverless, AWS, .NET, AI
1w
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Senior Backend Engineer
Toronto, Ontario, Canada
OnsiteFull Time
6+ YOE5+ years Java, 6+ years backend development, experience building and scaling production products, strong communication and organizational skills, startup/entrepreneurial mindset.
Java
4d
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Back-End Software Engineer
Toronto, Ontario, Canada
$86k-$136k/yr HybridFull Time
5+ YOERequires 5+ years in back-end development and Azure cloud-native solutions, with Databricks, PySpark, Azure Data Factory, SQL Server, CI/CD, system design, and distributed-team communication experience.
Databricks, PySpark, Python, Azure Data Factory, SQL Server, Microsoft Azure, Azure DevOps, Jenkins, GitHub Actions, UML, Java, Spring Boot, Power BI, JavaScript, React, Node.js, New Relic, Dynatrace, Moogsoft, CI/CD, GitHub
2mo
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Staff Backend Engineer
Toronto, Ontario, Canada
$150k-$160k/yr HybridFull Time
Strong experience designing scalable microservices and distributed systems; hands-on with Docker, Kubernetes, CI/CD, relational and document databases; production backend development in Golang, Python, or Java; experience integrating AI/LLM workflows preferred.
Kafka, RabbitMQ, Docker, Kubernetes, CI/CD, PostgreSQL, MySQL, MongoDB, LLM, Golang, Python, Java
4w
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Staff Backend Engineer
Toronto, Ontario, Canada
HybridFull Time
10+ YOE10+ years experience; BS in EE or CS (or advanced degree with equivalent experience); expertise in backend development with Java/Kotlin/C#/C++/JavaScript, Node.js or Spring Boot, GraphQL federation, Kubernetes, Docker, CI/CD; strong communication.
Node.js, Spring Boot, DGS, GraphQL, Apollo Federation, Java, Kotlin, C#, C++, JavaScript, Kubernetes, Docker, CI/CD
1w
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Sr. Consultant, Back End Developer- Java/Microservices/System Design
Toronto, Ontario, Canada
HybridFull Time
10+ YOE10+ years designing and developing Java-based microservices and system designs; strong experience with APIs, RDBMS/SQL, cloud-native tooling; Bachelor's degree or equivalent required.
Java, Spring Boot, RDBMS, SQL, Micro-services, J2EE, SOAP, REST, gRPC, Quarkus, JSON, Docker, PodMan, Maven, Gradle, Postman, Junit, Jenkins, GIT, OpenAPI/Swagger, OAuth2, JWT, Python, LLM, Vector Databases, RAG
3mo
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Senior Backend Developer
Toronto, Ontario, Canada
$120k-$135k/yr RemoteFull Time
5+ YOE5+ years backend development; Rust and Nix; Linux-based cloud services; REST/GraphQL; Git and IaC; English fluency; bachelor’s in CS/CE or equivalent.
Rust, Nix, Node.js, Java, Git, Linux, REST, GraphQL, WebSockets, HTTPS, Infrastructure as Code
1mo
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Staff Java Engineer (Backend)
Toronto, Ontario, Canada
$118k-$152k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience with expert Java and Spring Boot; experience with microservices, REST APIs, cloud platforms (AWS/Azure/GCP), CI/CD, Kubernetes; strong mentoring and architectural skills.
Java, Spring Boot, Microservices, REST APIs, CI/CD, Kubernetes, Kafka, AWS, Azure, GCP, DevSecOps
1mo
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Senior Backend Engineer (Applications)
Toronto or Canada
$150k-$190k/yr OnsiteFull Time
Design and build backend systems; proficiency in Java/Python/Kotlin/Go/C# and SQL; strong data modeling and relational schema skills; experience improving scalability, reliability, and observability.
Java, Python, Kotlin, Go, C#, SQL, JavaScript, React, TypeScript, Spring Boot, Django, Postgres, AWS, Docker, Kubernetes
3mo
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Backend Engineer, Data
Canada or Toronto
$172k-$258k/yr HybridFull Time
6+ YOE6+ years software engineering experience building data services, strong backend and SQL skills, experience with distributed data frameworks (Spark/Hadoop/Pig), and ability to communicate cross-functionally.
Spark, Scala, Airflow, Java, SQL, Python, Hadoop, Pig, Go
1mo
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Senior Backend Engineer - Brand Platform
Kitchener or Toronto
$156k-$215k/yr HybridFull Time
Experience designing backend services with Kotlin/Java, NewSQL (CockroachDB), building APIs, applying AI for engineering productivity, and improving performance at scale.
Kotlin, Java, JUnit, Hibernate, Guice, Jersey, HTTP, JSON, Protocol Buffers, MySQL, CockroachDB, AWS
2w
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Software Engineer, Global Payments Technology (Backend Java Developer) (268500)
Scarborough or Toronto
OnsiteFull Time
5+ YOE5+ years Java development experience with Java 8+, Spring Boot, Kafka, relational databases and SQL; REST APIs, Git, Maven/Gradle, and Agile experience required.
Java, Spring Boot, Apache Kafka, PostgreSQL, MySQL, Oracle, SQL Server, SQL, REST, Git, Maven, Gradle, CI/CD, AWS, Azure, GCP, Docker
1mo
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Sr. Developer – Application Development (Back-End)
Thornhill, Ontario, Canada
OnsiteFull Time
Design and develop secure, scalable backend systems, APIs and microservices using Node.js or Java Spring Boot; implement authentication/authorization and data security; collaborate with cross-functional teams and troubleshoot production issues.
Node.js, Java Spring Boot
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