Join our community

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

321 backend developer jobs at 176 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

1w

Save

Mark Applied

Hide

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

Job Posting View all

2mo

Save

Mark Applied

Hide

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

Job Posting View all

1d

Save

Mark Applied

Hide

1d

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

Job Posting View all

1w

Save

Mark Applied

Hide

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

Job Posting View all

1w

Save

Mark Applied

Hide

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

Job Posting View all

1mo

Save

Mark Applied

Hide

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

Job Posting View all

5d

Save

Mark Applied

Hide

5d

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

Job Posting View all

3w

Save

Mark Applied

Hide

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

Job Posting View all

1mo

Save

Mark Applied

Hide

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

Job Posting View all

2mo

Save

Mark Applied

Hide

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

Job Posting View all

2mo

Save

Mark Applied

Hide

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

Job Posting View all

2mo

Save

Mark Applied

Hide

2mo

Lead Backend Developer

Toronto, Ontario, Canada

$147k-$192k/yr OnsiteFull Time

Movable Ink

Movable Ink: Provides AI-powered content personalization for digital marketing campaigns.

7+ YOE7+ years in software engineering; distributed, event-driven backends; cloud experience; strong architectural judgment; leadership and mentoring; focus on reliability and observability.

Google Cloud Platform, Event-driven architecture, Pub/Sub, Monitoring and observability, Distributed systems

Job Posting View all

1mo

Save

Mark Applied

Hide

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

Job Posting View all

2mo

Save

Mark Applied

Hide

2mo

Senior Backend Engineer

Toronto, Ontario, Canada

$130k-$174k/yr HybridFull Time

Meltwater

Meltwater: Global media intelligence and social analytics platform for businesses.

Backend engineering with MongoDB, GraphQL, Node.js/TypeScript, Python; AWS serverless; data pipelines; observability; scale.

Node.js, TypeScript, Python, GraphQL, MongoDB, Atlas Search, Vector Search, AWS, Terraform, CI/CD, GitHub Actions

Job Posting View all

1w

Save

Mark Applied

Hide

1w

Senior Backend Engineer (Elixir)

Toronto or Montreal or Canada or United States or Europe

RemoteFull Time

Nabu Casa

Nabu Casa: Provides cloud services and hardware for open-source home automation.

5+ YOE5+ years backend experience, professional Elixir production experience, TypeScript, Git/GitHub, system administration basics, experience with auth/identity and payment/subscription systems, fluent English.

Elixir, TypeScript, Git, GitHub, NestJS, Terraform, Grafana, Python

Job Posting View all

1mo

Save

Mark Applied

Hide

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

Job Posting View all

1w

Save

Mark Applied

Hide

1w

Senior Backend Engineer - Experience Group

Toronto, Ontario, Canada

RemoteFull Time

OX Security

OX Security: Secures software development lifecycles from code to runtime.

5+ YOE5+ years backend development experience; proficiency with Node.js and TypeScript; cloud experience (AWS, Azure, or GCP); experience with microservices, API design, CI/CD; strong communication and customer-facing skills.

Node.js, TypeScript, AWS, Azure, GCP, Copilot, LLMs, CI/CD

Job Posting View all

2d

Save

Mark Applied

Hide

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

Job Posting View all

1w

Save

Mark Applied

Hide

1w

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

Job Posting View all

2d

Save

Mark Applied

Hide

2d

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

Job Posting View all