73 java engineering jobs at 38 companies in Tonawanda, NY
1mo
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Manager, Engineering
Toronto, Ontario, Canada
$97k-$137k/yr OnsiteFull Time
7+ YOE7+ years experience with Java, Angular, Kafka, and Azure; stakeholder management and delivery track record; people leadership experience; experience with JIRA and enterprise feature/financial tools.
Java, Angular, Kafka, Azure, JIRA
4w
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Manager, Software Engineering
United States or Toronto
$160k-$170k/yr OnsiteFull Time
5+ YOE3+ MgmtExperienced engineering leader with 5+ years backend development and 3+ years people-management; proficiency in Java/Spring stack, modern web tech, Agile, metrics-driven reliability, and strong English communication.
Java, Spring, Spring MVC, Hibernate, JPA, React, AJAX, HTML5, CSS3, JavaScript
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
1w
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Engineering Team Lead - Fraud/AML
Buffalo, New York, United States
$116k-$194k/yr HybridFull Time
4+ YOE3+ MgmtRequires 9 years combined higher education/work experience, including 4 years engineering or architecture and 3 years leadership. Requires Actimize SAM, Actimize ActOne, Java, CI/CD, project management, and strong communication skills.
Actimize SAM, Actimize ActOne, Java, CI/CD
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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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Senior Manager Product Engineering & Development
Toronto or Burlington or Calgary or Edmonton or Fredericton or Halifax or Kitchener or Ottawa or Regina or Vancouver or Victoria
$105k-$234k/yr HybridFull Time
Technology pre-sales and delivery leadership in product engineering, integration, DevOps, AI, or Azure; ability to scope, price, and own delivery outcomes; people leadership and client-facing communication skills.
Java, .NET, Python, Node.js, MuleSoft, Software AG, IBM, Merative Curam, Terraform, Bicep, CI/CD, Kubernetes, AKS, GitOps, Cursor, Claude Code, Devin, App Service, Functions, Container Apps, Service Bus, API Management, Cosmos DB, Entra ID, GitHub Copilot
5d
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Senior Java API Integration Engineer
Buffalo, New York, United States
$81k-$136k/yr HybridFull Time
Requires Java and Spring Boot, REST/SOAP APIs, JSON, WSDL, OpenAPI/Swagger, OAuth 2.0, TLS/mTLS, SQL, API gateways, webhooks, and banking or payment-services experience.
Java, Spring Boot, REST, SOAP, JSON, WSDL, OpenAPI, Swagger, OAuth 2.0, TLS, mTLS, SQL, Fiserv PEP+ Direct, z/OS, DB2 for z/OS, API gateways, webhooks
5d
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Senior Java API Integration Engineer
Buffalo, New York, United States
$81k-$136k/yr HybridFull Time
Requires Java and Spring Boot, banking or payment API integration, REST/SOAP, JSON, WSDL, OpenAPI/Swagger, OAuth 2.0, TLS/mTLS, SQL, API gateways, webhooks, and financial-services experience.
Java, Spring Boot, REST, SOAP, JSON, WSDL, OpenAPI, Swagger, OAuth 2.0, TLS, mTLS, SQL, Fiserv PEP+ Direct, z/OS, DB2 for z/OS, API gateways, webhooks
5d
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Senior Java API Integration Engineer
Buffalo, New York, United States
$81k-$136k/yr HybridFull Time
Requires Java and Spring Boot development, banking or payment API integration, REST/SOAP, JSON, WSDL, OpenAPI/Swagger, OAuth 2.0, TLS/mTLS, SQL, secure authentication, and financial-services experience.
Java, Spring Boot, Fiserv PEP+ Direct APIs, REST, SOAP, JSON, WSDL, OpenAPI, Swagger, API gateways, OAuth 2.0, TLS, mTLS, DB2 for z/OS, z/OS, SQL, webhooks
1mo
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Lead, Data Engineering
Toronto, Ontario, Canada
$105k-$155k/yr OnsiteFull Time
5+ YOE2+ Mgmt5+ years data engineering experience with 2+ years leading engineers; hands-on with batch and real-time pipelines, Hadoop/Spark/NiFi/Kafka, SQL and Java/Scala/Python; cloud data platform experience (Snowflake, AWS, Azure, GCP); DevOps and agile practices.
Hadoop, Spark, NiFi, Kafka, SQL, Java, Scala, Python, Snowflake, AWS, Azure, GCP, OpenShift, S3, Trino, Ranger, Hive, Spring, MVC
1mo
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Cloud Performance Engineering - Site Reliability Engineer
Toronto, Ontario, Canada
$110k-$125k/yr RemoteFull Time
Expertise with cloud providers (Azure), performance testing, observability, autoscaling, Kafka tuning, IaC (Terraform/Ansible/Chef), and production Linux operations; strong troubleshooting and security/compliance experience.
FHIR, Otel, Grafana, Prometheus, JMeter, Gatling, Azure Load Testing, Terraform, Ansible, Chef, Kubernetes, OpenShift, Azure Monitor, Application Insights, Log Analytics, Kafka, Java
2mo
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Technical Support Engineer
Toronto, Ontario, Canada
$100k-$125k/yr HybridFull Time
4+ YOE4+ years in technical support, systems engineering, or software development; mastery of Python/JavaScript/Java/Ruby; deep systems and distributed tracing knowledge; familiarity with LLM orchestration and AI tooling; exceptional communication.
Python, JavaScript, Java, Ruby, React, GitHub, Discord, CI/CD, SDKs, APIs, Model Context Protocol (MCP), Sentry, Seer, LLM, RAG
2w
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Staff Embedded Engineer, Android OS
Austin or Buffalo or San Francisco or Seattle
$185k-$273k/yr HybridFull Time
8+ YOE8+ years software development, Bachelor\u0002s degree or equivalent, experience with Kotlin, Java, C++, AOSP/Android OS, Linux, and embedded/RTOS development.
Kotlin, Java, C++, AOSP (Android Open Source Project), Android OS, Linux, RTOS
1mo
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Forward Deployed Engineer
Toronto, Ontario, Canada
FieldFull Time
Experience delivering production AI systems, strong AI/ML and LLM practical skills, backend development in Python or Java, client-facing communication, and ability to work autonomously in healthcare settings.
AI Management System (AIMS), Python, Java, LLM
3mo
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Senior Software Engineer, Applied AI (United Kingdom)
United Kingdom or Toronto
£132k-£170k/yr RemoteFull Time
5+ YOE5+ years backend engineering experience, hands-on LLM/AI agents experience, strong API and system integration skills, product-minded ownership, ability to operate production systems.
Golang, Ruby on Rails, Javascript, Java, C#, Python, VueJS, MySQL, Kafka, AWS, Git, Memcache, Redis, ElasticSearch, Docker, Terraform, Kubernetes, CircleCI, DataDog
1mo
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Planificateur-trice aéroportuaire
Montreal or Toronto or Newark or New York City or Houston or Los Angeles or Warsaw or Singapore or Athens
$110k-$130k/yr HybridFull Time
7+ YOEUniversity degree in engineering/planning/architecture, 7+ years aviation planning experience, project management, advanced CAD and simulation software skills, strong communication, knowledge of ICAO/IATA/ACRP, French required for Quebec.
CAD, AutoCAD, MicroStation, Revit, CAST Express, CAST Terminal, CAST Aircraft, CAST GSE, Simio, MassMotion, Microsoft Excel, Microsoft PowerPoint, Photoshop, Illustrator, InDesign, Python, VBA, R, C, C++, C#, Java
1mo
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Senior Software Engineer
Toronto, Ontario, Canada
$121k-$170k/yr HybridFull Time
10+ YOEBachelor's degree or equivalent, 10+ years professional software engineering experience with Core Java, experience building cloud-native, containerized, distributed microservice systems.
Core Java, Apache Kafka
1mo
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Data Engineer
Toronto, Ontario, Canada
$90k-$110k/yr HybridFull Time
4+ YOE4+ years designing, building, and optimizing production data engineering solutions with modern cloud platforms, big data, streaming, orchestration, databases, containers, and Python/Java.
Amazon Web Services, Microsoft Azure, Google Cloud Platform, Amazon Redshift, Snowflake, GoogleBigQuery, Azure Synapse Analytics, Amazon EMR, Apache Spark, Presto, Databricks, Amazon Kinesis, Apache Kafka, Apache Airflow, dbt, Dagster, Azure Data Factory, DynamoDB, Cosmos DB, MongoDB, Kubernetes, Amazon ECS, Amazon SageMaker, Azure ML Studio, Python, Java
2mo
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Managed Services - Data Engineer - Experienced Associate
Phoenix or Indianapolis or Grand Rapids or Raleigh or Charlotte or Jacksonville or Cincinnati or Cleveland or Columbia or Kansas City or Columbus or Dallas or Las Vegas or Little Rock or Baltimore or Richmond or Louisville or Sacramento or Birmingham or St. Louis or Albany or Tampa or Atlanta or Toledo or Tulsa or Austin or Miami or Milwaukee or Minneapolis or Denver or Des Moines or Nashville or Detroit or New Orleans or Buffalo or Oklahoma City or Fort Worth or Greensboro or Pittsburgh or Houston
$63k-$140k/yr OnsiteFull Time
1+ YOEBachelor's degree, 1+ years' experience, proficiency with Python, Java, SQL, DataStage, DB2/SQL Server, Oracle BI, QlikView/Spotfire, UNIX; experience with data engineering, ETL, and data architecture.
Python, Java, DataStage, Oracle Business Intelligence, QlikView, Spotfire, DB2, SQL Server, SQL, Snowflake, UNIX
1mo
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New Grad: Software Developer
Toronto, Ontario, Canada
$50k-$80k/yr HybridFull Time
0+ YOEBachelor’s in CS/Engineering, strong Java or Python and SQL knowledge, familiarity with SDLC, automation testing (Selenium/TestNG), Postman, basic cloud (GCP/Azure), and GitHub.
Java, Python, Postgres, MySQL, Sybase, Selenium, TestNG, Postman, GCP, Azure, GitHub