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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

119 back end developer jobs at 70 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

1mo

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1mo

Senior Back End Engineer

Toronto, Ontario, Canada

HybridFull Time

Wisedocs

Wisedocs: AI platform for automated medical record review and claims analysis.

5+ YOE5+ years back-end experience with deep Python knowledge; experience with Django or Flask, SQL/NoSQL databases, cloud platforms (AWS, Google Cloud, or Azure); strong system design and scalability skills.

Python, Django, Flask, SQL, NoSQL, AWS, Google Cloud, Azure

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1w

Backend Engineer

Toronto or Canada

$85k-$105k/yr RemoteFull Time

Xello

Xello: Provides software for student career exploration and college readiness.

3+ YOE3+ years backend experience, strong SQL and C#, .NET/.NET Core, data modeling, API development, performance tuning, and TDD; experience with large-scale systems.

.Net Framework, .NET, .NET Core, C#, SQL Server, SQL, REST, APIs, GIT, Angular, Azure

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2mo

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2mo

Senior Backend Engineer

San Francisco or Toronto or Los Angeles or Raleigh

$168k-$210k/yr HybridFull Time

BuildOps

BuildOps: SaaS platform for managing commercial contracting businesses.

5+ YOE5+ years backend or full-stack experience; 1–2+ years in senior/lead roles; Node.js with TypeScript; GraphQL/REST APIs; distributed systems; strong CS fundamentals; ability to own projects end-to-end; AI tooling experience preferred.

Node.js, TypeScript, GraphQL, REST, Docker, Kubernetes, Python

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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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2d

Backend Engineer

Toronto, Ontario, Canada

$35-$42/hr RemoteContract

MarkiTech

MarkiTech: Develops AI-powered healthcare software and digital automation solutions.

3+ YOE3+ years backend experience with Node.js and TypeScript, EMR integration experience required, REST API design, SQL/NoSQL, Git, and healthcare interoperability knowledge.

Node.js, TypeScript, React, REST, Electronic Medical Record (EMR), Epic, Oracle Health (Cerner), MEDITECH, eClinicalWorks, Athenahealth, Allscripts (Veradigm), OSCAR EMR, TELUS Health platforms, Accuro EMR, HL7, FHIR, SMART on FHIR, OAuth 2.0, SQL, NoSQL, Git, Google Cloud Platform (GCP), AWS, Azure, Docker, CI/CD

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2mo

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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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1w

Intermediate Backend Engineer

Toronto, Ontario, Canada

$80k-$89k/yr HybridFull Time

Lush

Lush: Manufacturer and retailer of fresh handmade cosmetic products

Python-first backend developer with web framework, GraphQL, SQL, git, and deployment experience; able to build and maintain scalable APIs and integrate third-party systems.

Python, TypeScript, SQL, git, FastAPI, Django, Flask, Strawberry, Ariadne, Saleor, ERPNext, Microsoft Power BI, CloudSQL, pip, uv, venv, pyproject.toml, Docker

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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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1mo

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 with Spring Boot and microservices, REST API design, Git and CI/CD (e.g., GitHub Actions), cloud experience (AWS, Azure, OpenShift), Docker/Kubernetes; strong engineering best practices and communication.

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

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6d

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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2d

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2d

Staff Backend Developer

Toronto, Ontario, Canada

$145k-$191k/yr HybridFull Time

Varicent

Varicent: SaaS platform for sales performance and incentive compensation management.

6+ YOE6+ years software engineering experience, strong system design, hands-on Python/TypeScript, cloud (AWS/GCP/Azure), CI/CD, automated testing, observability, and experience shipping production distributed systems.

Python, TypeScript, AWS, GCP, Azure, CI/CD

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3d

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3d

Senior Developer, Backend - Developer Infrastructure

Ottawa or Toronto or Calgary

$125k-$165k/yr RemoteFull Time

Fullscript

Fullscript: Healthcare platform for practitioner supplement dispensing and patient management.

Strong experience with Ruby/Rails, designing maintainable systems, testing and CI, platform/tooling and developer experience, strong communication and mentorship skills.

Ruby, Ruby on Rails, React, GraphQL

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3mo

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3mo

Senior Back-End Developer

Toronto, Ontario, Canada

$135k-$154k/yr OnsiteFull Time

Rumble

RumbleNASDAQ: RUM: Video sharing platform and cloud infrastructure provider.

8+ YOE8+ years backend experience; 10+ years OOP; 5+ years PHP (PHP 8+); strong MySQL; caching with Memcached/Redis; scalable systems; API development; frontend integration.

PHP, MySQL, Memcached, Redis, NGINX, WebSocket, BASH, Linux, JavaScript, TypeScript, HTML, CSS, PHPUnit

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1mo

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1mo

Staff Backend Engineer

Toronto or Canada

$175k-$200k/yr HybridFull Time

Bettermode

Bettermode: Builds branded online community platforms for customer engagement.

Deep TypeScript and backend expertise with NestJS, event-driven systems (Kafka), PostgreSQL/MongoDB, AI/LLM integration experience, product-minded building, and ability to mentor engineers.

TypeScript, NestJS, Kafka, PostgreSQL, MongoDB, Claude Code, Cursor, LLMs

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5d

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5d

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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3w

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3w

Senior Backend Engineer (CFG)

Toronto, Ontario, Canada

RemoteFull Time

Commit

Commit: End-to-end software, cloud, and cybersecurity consulting and development.

5+ YOE5+ years backend development with strong backend architecture, Node.js/TypeScript, SQL/NoSQL, cloud platforms (AWS, Microsoft Azure, GCP), CI/CD, scalable system design, and strong customer-facing communication.

Node.js, TypeScript, SQL, NoSQL, AWS, Microsoft Azure, GCP, CI/CD, OX

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2w

Staff Backend Software Engineer

Vancouver or Toronto

$150k-$400k/yr RemoteFull Time

Hopper

Hopper: Global travel marketplace and financial technology service provider.

Experienced backend engineer with distributed systems experience (Scala preferred), GCP familiarity, ability to design AI/LLM-assisted workflows and orchestrate AI agents, strong product thinking, and ability to ship end-to-end features.

Scala, GCP services, React, TypeScript, LLMs

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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 Back-end Developer

Toronto, Ontario, Canada

$120k-$140k/yr HybridFull Time

Carbonhound

Carbonhound: Platform helping businesses measure and reduce carbon emissions.

Proven backend experience building scalable systems with Node.js/Python and TypeScript, PostgreSQL, cloud (GCP/AWS/Azure), microservices, high-volume data pipelines, strong SQL and system design skills.

TypeScript, React, node.js, JavaScript, Python, PostgresSQL, Anthropic, Google Cloud Platform (GCP), Github, Figma, Google Drive, Linear, Notion, Slack, Metabase

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