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Lockport • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Lockport • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Lockport • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Lockport • 50 milesRemote · Hybrid · Onsite · Field · All Environments

118 java backend developer jobs at 56 companies in Lockport, NY

PromotedHiringCafe

Founding Backend / Infra Engineer

Cupertino, CA, US

$160k-$300k/yr On-SiteFull Time

HiringCafe

HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.

Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.

Node.js, Python, Elasticsearch, Redis

Help us #BeatIndeed & #BeatLinkedIn

2d

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2d

Java Backend Developer

Toronto, Ontario, Canada

$77k-$120k/yr OnsiteFull Time

Wipro

WiproNYSE: WIT: Global technology services and consulting for digital transformation.

5+ YOE5+ years experience, strong Core Java and Spring Boot, API development, system design, relational and NoSQL DB (Oracle,MongoDB), EM of clean code, unit testing and CI/CD; React and frontend skills are a plus.

Spring Boot, Core Java, J2EE, Collections, Multithreading, Oracle, MongoDB, React, JavaScript, CSS, HTML, Node JS, React.js, Web pack, Bootstrap, SASS, Express, Redux, Flux, CICD

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4w

Java Backend Engineer

Toronto, Ontario, Canada

$62k-$91k/yr HybridFull Time

Cognizant

CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.

7+ YOE7+ years Java development experience with Spring Boot and microservices, REST API design, Git and CI/CD, cloud (AWS/Azure/OpenShift), Docker and Kubernetes; strong engineering practices and collaboration skills.

Java, Spring Boot, RESTful APIs, AWS, Azure, OpenShift, Docker, Kubernetes, Git, GitHub Actions, CI/CD pipelines, Splunk, Dynatrace, GitHub Copilot, Angular

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2w

Senior Backend Java Engineer

Toronto, Ontario, Canada

$63k-$148k/yr RemoteFull Time

Capgemini

CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.

6+ YOE6+ years Java backend experience, strong microservices and API knowledge, experience with Sprong Boot, Kubernetes, databases; exposure to GenAI tools (Claude Code), Python/NodeJS; able to work independently and mentor juniors.

Java, Sprong Boot, Kubernetes, APIs, Claude Code, Python, NodeJS

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1w

Senior Backend Engineer

Toronto, Ontario, Canada

OnsiteFull Time

Venn

Venn: Digital banking and financial management platform for Canadian businesses.

6+ YOE5+ years Java, 6+ years backend development, experience building and scaling production-ready financial products, strong communication and organizational skills, startup/fintech experience preferred.

Java

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1mo

Staff Backend Engineer

Toronto, Ontario, Canada

$150k-$160k/yr HybridFull Time

HelloFresh

HelloFreshFrankfurt Stock Exchange: HFG: Global meal kit delivery service and food solutions provider.

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

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3d

Staff Backend Engineer

Toronto, Ontario, Canada

HybridFull Time

eBay

eBayNASDAQ: EBAY: Global online marketplace for buying and selling diverse products.

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

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2mo

Senior Backend Developer

Toronto, Ontario, Canada

$120k-$135k/yr RemoteFull Time

Sangoma

SangomaNASDAQ: SANG: Provides unified communications and cloud-based customer experience solutions.

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

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2mo

Backend Engineer

Toronto, Ontario, Canada

$100k-$130k/yr HybridFull Time

Ecopia AI

Ecopia AI: AI-powered mapping systems for creating Earth's digital twins

1+ YOEBS in CS; 1+ year experience; proficient in Go, C++, Python, or Java; experience with Postgres, MongoDB, Redis, Cassandra; UNIX, TCP/IP; REST or gRPC APIs; Docker; cloud platforms (GCP or AWS); distributed systems.

Go, C++, Python, Java, PostgreSQL, MongoDB, Redis, Cassandra, UNIX, TCP/IP, REST, gRPC, Docker, GCP, AWS

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2mo

Senior Java Back End Developer – Assistant Vice President

Mississauga or Toronto

$94k-$142k/yr HybridFull Time

Citi

CitiNYSE: C: Providing global banking, investment, and wealth management services.

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

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2mo

Senior Java Back End Developer – Assistant Vice President

Mississauga or Toronto

$94k-$142k/yr HybridFull Time

Citi

CitiNYSE: C: Global diversified financial services holding.

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

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1mo

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1mo

Senior Backend Engineer (Applications)

Toronto or Canada

$150k-$190k/yr OnsiteFull Time

Forma.ai

Forma.ai: AI-powered platform for managing enterprise sales compensation and performance.

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

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6d

Senior Backend Developer (Hybrid Toronto)

Toronto, Ontario, Canada

$118k-$135k/yr HybridFull Time

Capco

Capco: Global consultancy providing business and technology services.

Commercial experience with Java and Spring Boot, REST APIs, secure microservices, vulnerability remediation, and backend security fundamentals; strong communication skills.

Java, Spring Boot, REST, OAuth2, OpenID Connect, JWT, TLS, mTLS, API gateway, AWS, Azure, Google Cloud, DevSecOps, CI/CD

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1w

Senior Backend Engineer - Brand Platform

Kitchener or Toronto

$156k-$215k/yr HybridFull Time

Faire

Faire: Online wholesale marketplace connecting independent retailers with unique brands.

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

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1mo

Senior Backend Engineer - Payroll - Toronto

Toronto or Canada

$148k-$189k/yr OnsiteFull Time

HiBob

HiBob: HR software platform for managing employee lifecycle and engagement.

6+ YOE6+ years backend software engineering for SaaS, located in Toronto metro; experience with Java/Kotlin/Scala, AWS, PostgreSQL/MySQL, testing methodologies; shipped customer-facing features.

Java, Kotlin, Scala, AWS, PostgreSQL, MySQL

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1mo

Senior Backend Engineer - Payroll - Toronto

Toronto, Ontario, Canada

$148k-$189k/yr OnsiteFull Time

HiBob

HiBob: Provides a cloud-based human resources management platform for businesses.

6+ YOEMust be located in the Toronto metro area; 6+ years backend SaaS engineering experience; strong software design skills; experience with Java/Kotlin/Scala, AWS, and relational databases; testing and delivery experience.

Kotlin, Scala, Java, AWS, PostgreSQL, MySQL

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1mo

Senior Backend Engineer - Payroll - Toronto

Toronto or New York City or Canada

$148k-$189k/yr OnsiteFull Time

HiBob

HiBob: Cloud-based human resources management platform for mid-sized businesses.

6+ YOE6+ years backend software engineering for SaaS; located in Toronto metro; experience shipping customer-facing features; Java/Kotlin/Scala; testing methodologies (unit testing, TDD); AWS; relational databases (PostgreSQL, MySQL).

Java, Kotlin, Scala, AWS, PostgreSQL, MySQL, TDD

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3mo

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3mo

Senior Backend Engineer

Montreal or Toronto

$140k-$180k/yr HybridFull Time

US Mobile

US Mobile: A mobile virtual network operator providing flexible cell phone plans.

7+ YOE7+ years of experience with Java and Spring Boot; REST APIs; RabbitMQ or AWS SQS/SNS; NoSQL (MongoDB); AI-assisted development tools; Git, CI/CD; strong collaboration and debugging skills.

Java, Spring Boot, Python, REST APIs, RabbitMQ, AWS SQS/SNS, MongoDB, Claude, Opencode, Git, CI/CD

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1mo

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1mo

Senior Backend Engineer - Payroll - Toronto

Toronto or New York City

$148k-$189k/yr OnsiteFull Time

HiBob

HiBob: Provides cloud-based human resources and workforce management software.

6+ YOE6+ years backend SaaS engineering experience; must be physically located in the Toronto metropolitan area; strong software design, scalable architecture, production shipping, Java/Kotlin/Scala, AWS, and relational DB experience; testing (unit/TDD/mocking).

Java, Kotlin, Scala, AWS, PostgreSQL, MySQL

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2mo

Staff Backend Engineer

Toronto, Ontario, Canada

HybridFull Time

Fox Corporation

Fox CorporationNasdaq: FOXA: Broadcasts news, sports, and entertainment via television and streaming.

5+ YOEDesign and build scalable distributed backend services using JVM languages; strong Scala/Java/Kotlin experience; databases, messaging systems; leadership and collaboration.

Scala, Java, Kotlin, PostgreSQL, Redis, Kafka, Kinesis, Akka, Spark, Flink, Kubernetes, Terraform

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2mo

Senior Backend Engineer (SaaS, Data & AI)

Toronto, Ontario, Canada

RemoteFull Time

Kaseya

Kaseya: Develops IT management and security software for service providers.

10+ YOE10+ years software engineering; backend SaaS experience; API/services; cloud platforms; data/AI integration

Node.js, Java, Go, Python, AWS, GCP, Azure, REST, GraphQL, gRPC, containers, distributed systems, pandas, ML frameworks

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