backend web developer

A leading freelance marketplace is seeking a Mobile App and Web Developer for a quiz platform project. The role involves developing a user-friendly app for young learners along with a synchronized web platform. The ideal candidate has strong experience in mobile and web development, proficiency in frameworks like React Native or Flutter, and excellent UI/UX...

A consulting firm in Fredericton is looking for a skilled web application developer with over 2 years of experience. You will work with a team to resolve clients’ business challenges and collaborate with product leaders in developing applications. Ideal candidates will understand OOP concepts, APIs, and SQL, and possess strong communication skills. You...

Join Instrumentl as a Senior Backend Engineer, leading the charge in AI development for nonprofit organizations. Your expertise will directly impact tools that help secure over $1 billion in funding. In this role, you'll be responsible for shipping reliable AI features from inception to deployment. Working with a small but dedicated team, you will...

Become a key Developer for Mobile Apps & Backend at BRP in Montreal, focusing on both iOS and Android platforms. Help shape the future of our digital consumer applications. BRP offers a unique opportunity for a talented developer to join its connectivity innovation team, reporting to the Digital Lead Architect. You will play a pivotal role in...

Join a collaborative engineering team as a Backend Python Developer focused on data solutions in a high-stakes trading environment. This role supports vital trading decision-making through data integrity. As a Backend Python Developer, you will play a key role in a financial institution, working on backend solutions that emphasize data processing and APIs....

Join our team as a Senior Backend Developer to design and maintain secure cloud-based systems. Utilize cutting-edge technologies for scalable solutions and backend API development. We are on the lookout for an experienced Senior Backend Software Engineer with over six years of hands-on software development expertise. This role emphasizes architecting...

Lead backend architecture and API development for Coursera’s Monetization team, using Java and distributed data technologies. Choose remote, office, or hybrid work. As a Staff Software Developer, you’ll own technical initiatives spanning service architecture, product APIs, and data modeling. You’ll build backend systems at scale with Java, MySQL,...

MaintainX is the world's leading AI-powered maintenance and asset management platform, serving 13,000+ customers including Duracell, Shell, Cintas, and Brenntag. We raised $150M in Series D funding led by Bessemer Venture Partners and Bain Capital Ventures, bringing our total funding to $254M. We were named to the Forbes 2025 Cloud 100, the definitive...

Transform enterprise-scale projects as a Senior Backend Engineer with Raise in Toronto, ON, leveraging a hybrid work environment. Bring your expertise to cloud-native solutions and technical leadership. This role requires a seasoned professional with a strong background in technology and architecture. You will support modernization efforts, mentor...

Earn Up To $50/hr as an OpenClaw Agent Builder Shape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments. Trusted by 10,000+ software engineers worldwide MIN EXP REQUIRED 2+ years PAY RATE Up to $50 USD/hr Earn Up To $50 USD/hr— Plus Additional Incentives Rates vary based on expertise and...

Everest Clinical Research is seeking a seasoned Clinical Trial Web Application Developer for our Toronto/Markham, Ontario base or a remote option across Canada. You will own full-stack Java web app design, development, testing, and deployment, collaborating closely with clients and cross-functional teams to implement scalable, secure solutions. ...

Craft and Crew seeks a Web Developer to lead the development of high-quality, large-scale websites using Drupal, WordPress, and Craft CMS. You will ensure client needs are met while upholding top technical standards and ongoing maintenance.You will mentor junior developers, contribute to process improvements, and perform QA, debugging, and performance...

Andrew Wommack Ministries Canada is seeking a skilled Web Developer to manage and implement IT-related updates on the website, handle plugin updates, domain and SSL maintenance, and perform regular backups to ensure reliability.You will oversee the GiveCloud platform, troubleshoot issues affecting online forms, store performance, and user experience, and...

Required Technical Skills & QualificationsExperience:8+ yearsof professional software development experience focusing on enterprise Java backend applications. Deep proficiency in Core Java (Multithreading, Concurrency, Collections, JVM internals). Extensive hands-on experience withSpring Boot, Spring MVC, Spring Data JPA, and Spring Security / OAuth2 / JWT...

Goodfood (TSX: FOOD) is a leading digitally native meal solutions brand in Canada, delivering fresh meals and add-ons that make it easy for customers from across Canada to enjoy delicious meals at home every day. The Goodfood team is building Canada's most loved millennial food brand, with the mission to create experiences that spark joy and help our...

5+ years building and operating production REST APIs in Node.js & TypeScript Hands-on AWS serverless experience — Lambda, API Gateway, DynamoDB, S3, CloudWatch, IAM, SNS, SQS, Glue, ECS — built and run in production, not just in tutorials Strong REST API design skills — resource modeling, semantics, versioning, idempotency, and OpenAPI/Swagger...

Build secure backend services with PHP and Laravel at BUMP in a hybrid, permanent full-time Backend Developer role. Work across APIs, databases, and production systems.On BUMP's Prediction Markets team, you will support a multi-tenant platform designed for Latin American markets. The work includes REST and GraphQL APIs, PostgreSQL databases, queue-driven...

Fleetworthy seeks a Senior Backend Developer to innovate fleet readiness technology through effective API design and robust database management, embracing a data-driven approach. As a Senior Backend Developer at Fleetworthy, you will leverage more than 4 years of backend experience to build RESTful and GraphQL APIs while managing PostgreSQL...

We are looking for a talented and passionate individual to join our Java Server development team and continue to evolve our next-generation rates reference data application. The team works closely with end users gaining direct exposure to the fast-paced world of front office trading and finance. Responsible for creating high performance, low latency...

Earn Up To $50/hr as an OpenClaw Agent Builder Shape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments. Trusted by 10,000+ software engineers worldwide MIN EXP REQUIRED 2+ years PAY RATE Up to $50 USD/hr Earn Up To $50 USD/hr— Plus Additional Incentives Rates vary based on expertise and...