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Back End Developer Jobs in Ontario (NOW HIRING)

Worthland

Senior Backend Engineer (Web3)

Toronto, ON

CA$300K - CA$450K/yr

Role Overview We are seeking a Senior Backend Engineer (Web3) with strong expertise in Go and ... Collaborative, developer-focused work environment in a downtown office . * Inclusive and dynamic ...

Citi

Lead Core Backend Developer

Mississauga, ON · On-site

CA$120K - CA$170K/yr

... engineering mind-set to development work: understand use-cases in details, develop metrics to build good estimates of volume and compute velocity requirements, understand and discuss openly any ...

Fulfillment IQ

Backend Engineer III

Toronto, ON · Hybrid

CA$125K/yr

Backend Engineer III Location: Toronto (Onsite/ Hybrid) Job Type: Full-Time Hiring Timeline: Immediate Reporting Line: Head of R&D Existing Vacancy: Yes Application Deadline: Open until Filled Salary ...

Fulfillment IQ

Backend Engineer III

Toronto, ON · On-site

CA$125K/yr

Backend Engineer III Location: Toronto (Onsite/ Hybrid) Job Type: Full-Time Hiring Timeline: Immediate Reporting Line: Head of R&D Existing Vacancy: Yes Application Deadline: Open until Filled Salary ...

Chubb

Senior Backend Engineer

Toronto, ON · On-site

The Senior Backend Engineer, AI Platform owns the backend surface. You are the primary engineer on the NestJS middleware layer and a meaningful contributor to the Python services. You ship production ...

Citi

Java Backend Engineer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

We are seeking a highly skilled Java Developer with strong expertise in building scalable, secure, and highperformance backend systems. You will work closely with architects, leads, DevOps, QA, and ...

Rivalry

The Role This is a senior role working alongside the current backend software engineering team; however, you will also work alongside both experienced and junior frontend developers, as well as ...

DoorDash Canada

Software Engineer, Backend

Toronto, ON · On-site +1

About the Role We're looking for Backend Engineers to work on both Product and Product Platform based teams. Product focused Engineers work at the intersection of product and infrastructure to solve ...

Dabadu

Senior Back End Engineer

Kitchener, ON

... DevOps engineers, and other stakeholders to deliver complete, end-to-end solutions. Skills and Qualifications: Extensive Backend Development Experience: Node.js and TypeScript: 5+ years of hands-on ...

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All JobsBack End Developer JobsBack End Developer Jobs in Ontario

Back End Developer information

See Ontario salary details

$24.5K

$103.4K

$162K

How much do back end developer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for back end developer in Ontario is $103,394.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,000.00 and $123,000.00 per year, depending on experience, location, and employer.

What is a back end developer?

A Back End Developer is a programmer who specializes in building and maintaining the server-side logic, databases, and application functionality that power websites and web applications. Unlike front end developers, who focus on the visual and interactive elements users see, back end developers work behind the scenes to ensure data is stored, processed, and delivered correctly. They typically use programming languages like Python, Java, Ruby, or PHP, and interact with databases such as MySQL or MongoDB. Their work is crucial for making sure applications run smoothly, securely, and efficiently.

What is a back end developer?

A back end developer is a computer science professional who specializes in functionality that takes place on the server side or backend. As a back end developer, you write code to create software that solves a business need. Your responsibilities are to research the needs of either your employer, or a particular industry, find a problem, and create a software solution. A back end developer differs from a traditional web developer, or front end developer, in that back-end software may not have a user interface or even have exposure to the web.

What are the key skills and qualifications needed to thrive as a back end developer?

To thrive as a Back End Developer, you need strong programming skills in languages like Java, Python, or Node.js, along with a solid understanding of databases and API design, typically supported by a degree in computer science or related experience. Familiarity with frameworks such as Spring or Django, version control systems like Git, and cloud platforms (e.g., AWS or Azure) is often required, with certifications in these areas considered beneficial. Problem-solving, effective communication, and teamwork are crucial soft skills that help developers collaborate and address complex technical challenges. These competencies are vital for building reliable, scalable systems that support front-end applications and ensure robust product performance.

What are some common challenges back end developers face when integrating with front-end teams?

Back End Developers often encounter challenges when aligning data structures and APIs with front-end requirements, especially as user interface needs evolve rapidly during development. Effective communication and regular collaboration with front-end developers are essential to ensure that endpoints, data formats, and error handling are well-coordinated. Additionally, maintaining consistent documentation and using tools like Swagger or Postman can help streamline integration and reduce misunderstandings between teams.

What is the difference between Back End Developer vs Front End Developer?

AspectBack End DeveloperFront End Developer
Primary FocusServer-side logic, databases, APIsUser interface, website layout, client-side scripting
Skills & TechnologiesLanguages like Java, Python, Ruby; databases; server managementHTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentBackend systems, server environments, cloud platformsDesign tools, browser testing, UI/UX design
Common CertificationsCertified Web Developer, AWS Certified DeveloperCertified Front End Developer, UI/UX certifications

Back End Developers focus on server-side logic, databases, and APIs, ensuring the website's functionality behind the scenes. Front End Developers work on the visual and interactive aspects users see and interact with. Both roles are essential in web development, often collaborating to create seamless digital experiences.

Is back end developer in demand?

Back end developers are in high demand due to the growth of web applications and digital services. Skills in programming languages like Python, Java, or Node.js, along with knowledge of databases and APIs, are highly sought after by employers across various industries.
More about Back End Developer jobs

What are the most commonly searched types of Back End Developer jobs in Ontario?

The most popular types of Back End Developer jobs in Ontario are:

What job categories do people searching Back End Developer jobs in Ontario look for?

The top searched job categories for Back End Developer jobs in Ontario are:

What are popular job titles related to Back End Developer jobs in ON?

For Back End Developer jobs in ON, the most frequently searched job titles are:

Back End Developer jobs near you
Infographic showing various Back End Developer job openings in Ontario as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $103,394 per year, or $49.7 per hour.

Programmeur(euse) junior BackEnd C# / .NET Core

TEHORA

Ottawa, ON • On-site

Full-time

Re-posted 2 days ago

Job description

TEHORA est presentement a la recherche d'un(e) programmeur(euse) junior BackEnd C# / .NET Core ayant de bonnes aptitudes techniques, une grande capacite d'apprentissage et qui souhaite mettre a profit ses competences au sein d'une equipe polyvalente. La personne retenue participera a des travaux de developpement, correction, tests et documentation.

Sans etre exhaustifs, voici les services et livrables que devra fournir la personne retenue :

  • Developper des services BackEnd en C# / .NET Core sous encadrement;
  • Corriger des anomalies applicatives BackEnd;
  • Participer au developpement ou a l'integration d'API REST;
  • Participer aux essais unitaires et essais integres;
  • Soutenir les activites de maintenance applicative;
  • Contribuer a la documentation technique;
  • Appliquer les normes et bonnes pratiques de developpement;
  • Collaborer avec les developpeurs seniors, analystes et architectes.

Requirements

  • Minimum 2 ans et moins de 8 ans d'experience en ressources informationnelles;
  • Experience en developpement C# / .NET Core;
  • Connaissance des API REST et bases de donnees;
  • Interet pour les environnements infonuagiques et DevOps;
  • Capacite a apprendre rapidement et a travailler en equipe;
  • Rigueur dans les tests, la documentation et la qualite du code;
  • C#, .NET Core, API REST;
  • Git ou outil de versionnage equivalent;
  • Tests unitaires et tests integres;
  • Notions de bases de donnees;
  • Bonnes pratiques de developpement BackEnd;
  • Azure Functions, Azure DevOps, CI/CD;
  • Azure API Management, Azure Service Bus;
  • Cosmos DB, SQL Server ou bases NoSQL;
  • Notions microservices;
  • Experience Agile;
  • Mandat contractuel ou banque de ressources, selon les besoins du client;
  • Teletravail principalement; disponibilite a coordonner selon les demandes d'intervention;

Benefits

  • Du teletravail et de la flexibilite pour s'adapter a vos obligations familiales
  • Une culture entrepreneuriale favorisant la creativite et l'innovation
  • Horaires flexibles (selon le type de contrat de travail)
  • Conges en cas de maladie et a l'occasion d'evenements familiaux
  • Outils informatiques adaptes
  • Espace de travail epanouissant et motivant
  • Initiatives sociales et environnementales
  • Programme d'apprentissage en milieu de travail
  • Cheminement de carriere
SALAIRE

Le salaire sera calcule sur la base du taux horaire moyen correspondant a votre profil.

LIEU DE TRAVAIL

Le lieu de travail sera Teletravail.

POURQUOI SE JOINDRE A TEHORA ?

TEHORA est une firme quebecoise multidisciplinaire reconnue pour l'excellence de ses services professionnels, de nature technique et de gestion de projets a l'echelle nationale et internationale. Notre mission est d'accompagner nos clients dans la concretisation de leurs projets par l'excellence de notre savoir-faire et de notre creativite.

Depuis sa creation en 2017, notre equipe de professionnels connait une croissance exponentielle en repondant aux besoins importants en gestion de projets multidisciplinaires, dans le domaine des transports, du genie civil, du TI et plus.

Nos collaborateurs travaillent sur des mandats aussi bien a l'interne que chez des clients d'envergure.

TEHORA se distingue par sa culture d'entreprise, axee sur le bonheur de ses employes et la diversite.

Chez TEHORA, chaque collaborateur est un membre important de l'equipe qui contribue a notre succes collectif. Nos membres ont la flexibilite requise pour avoir un equilibre entre le travail et leur vie privee, tout en menant une carriere enrichissante.

Nous offrons un environnement de travail motivant. La diversite des projets, la grande autonomie et l'interaction directe avec les clients sont appreciees. Une telle proximite est possible en raison de notre structure organisationnelle horizontale, qui se traduit par des relations de confiance et une communication efficace entre notre equipe et les clients.

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