Our client is seeking a developer to build the technical interface layer connecting complex ... You are technically curious about optimizing data flow from the Java back-end for zero-latency ...
Our client is seeking a developer to build the technical interface layer connecting complex ... You are technically curious about optimizing data flow from the Java back-end for zero-latency ...
Job Summary We are seeking a highly skilled Java Full Stack Developer with strong expertise in Angular (latest versions) and backend development using Java, Spring Boot, and Microservices ...
Job Summary We are seeking a highly skilled Java Full Stack Developer with strong expertise in Angular (latest versions) and backend development using Java, Spring Boot, and Microservices ...
We are seeking a talented Java Full Stack Developer with strong expertise in backend development using Java, Spring Boot, and Microservices , along with frontend experience in React.js . The ideal ...
We are seeking a talented Java Full Stack Developer with strong expertise in backend development using Java, Spring Boot, and Microservices , along with frontend experience in React.js . The ideal ...
Java/Springboot, Django, Postgres Infrastructure: AWS, Docker What success looks like: 30/60/90 ... developer velocity. * Demonstrated clear impact on both system quality and the team's ability to ...
Java/Springboot, Django, Postgres Infrastructure: AWS, Docker What success looks like: 30/60/90 ... developer velocity. * Demonstrated clear impact on both system quality and the team's ability to ...
Lead Java Developer
Mississauga, ON · On-site
CA$120K - CA$170K/yr
We are looking for a Java Engineer to design, build, and support modern web APIs ... This role focuses on back-end services (Java/Spring Boot), with API-first, microservices-based ...
Lead Java Developer
Mississauga, ON · On-site
CA$120K - CA$170K/yr
We are looking for a Java Engineer to design, build, and support modern web APIs ... This role focuses on back-end services (Java/Spring Boot), with API-first, microservices-based ...
Staff Software Engineer, Backend
Toronto, ON · On-site
About the Role Product engineers work at the intersection of product and infrastructure to solve ... Experience with Java/Kotlin * Contributor to open source projects
Staff Software Engineer, Backend
Toronto, ON · On-site
About the Role Product engineers work at the intersection of product and infrastructure to solve ... Experience with Java/Kotlin * Contributor to open source projects
Sr Java developer
Toronto, ON · On-site
A Java Developer designs, develops, tests, and maintains scalable Java-based applications (web ... Build new and enhance existing Java applications, including back-end services, APIs (RESTful), and ...
Sr Java developer
Toronto, ON · On-site
A Java Developer designs, develops, tests, and maintains scalable Java-based applications (web ... Build new and enhance existing Java applications, including back-end services, APIs (RESTful), and ...
Java Developer
Toronto, ON · On-site
Commercial Banking Engineering is seeking a skilled Java Developer with extensive experience in ... The ideal candidate will have a strong foundation in both front-end and back-end technologies, with ...
Java Developer
Toronto, ON · On-site
Commercial Banking Engineering is seeking a skilled Java Developer with extensive experience in ... The ideal candidate will have a strong foundation in both front-end and back-end technologies, with ...
Java Full Stack Developer
Toronto, ON · On-site
CA$95K - CA$135K/yr
Java Full-Stack Developer Experience Level: 2-5 Years Location: [ Hybrid / On Site ] Employment ... Develop, test, and maintain robust microservices and distributed backend systems using Java and ...
Quick apply
Java Full Stack Developer
Toronto, ON · On-site
CA$95K - CA$135K/yr
Java Full-Stack Developer Experience Level: 2-5 Years Location: [ Hybrid / On Site ] Employment ... Develop, test, and maintain robust microservices and distributed backend systems using Java and ...
Sr. Software Engineer, Backend
Toronto, ON · On-site
Actively work to improve the developer process and experience in all phases from coding to ... Experience in Python, Java, C++, or Go or another language and a willingness to learn
Sr. Software Engineer, Backend
Toronto, ON · On-site
Actively work to improve the developer process and experience in all phases from coding to ... Experience in Python, Java, C++, or Go or another language and a willingness to learn
Java Developer Lead
Mississauga, ON · On-site
Strong in Java development. knowledge of Spring Boot MVC and WebFlux Own backend design & technical decisions - Guide team on coding standards & best practices - Review code and resolve complex ...
Java Developer Lead
Mississauga, ON · On-site
Strong in Java development. knowledge of Spring Boot MVC and WebFlux Own backend design & technical decisions - Guide team on coding standards & best practices - Review code and resolve complex ...
Java preferred (Python, Rust, Go, C++, or C# also considered) * Strong experience with Java, Spring ... Passionate about solving complex backend engineering challenges * Strong analytical, debugging, and ...
Quick apply
Java preferred (Python, Rust, Go, C++, or C# also considered) * Strong experience with Java, Spring ... Passionate about solving complex backend engineering challenges * Strong analytical, debugging, and ...
Senior Backend Software Engineer
Toronto, ON · On-site +1
CA$100K - CA$180K/yr
Solid background in backend software engineering and delivering production-ready systems. - Proven experience designing object oriented software with languages such as C#, Java, C++, Golang, Rust ...
Senior Backend Software Engineer
Toronto, ON · On-site +1
CA$100K - CA$180K/yr
Solid background in backend software engineering and delivering production-ready systems. - Proven experience designing object oriented software with languages such as C#, Java, C++, Golang, Rust ...
Principal Backend Engineer
CA$160K - CA$220K/yr
Develop and maintain RESTful APIs using Java (Spring Boot or related web frameworks) or Python ... Collaborate with Product, QA, and DevOps teams to deliver reliable and scalable features * Write ...
Principal Backend Engineer
CA$160K - CA$220K/yr
Develop and maintain RESTful APIs using Java (Spring Boot or related web frameworks) or Python ... Collaborate with Product, QA, and DevOps teams to deliver reliable and scalable features * Write ...
Senior Backend Engineer
CA$140K - CA$180K/yr
Develop and maintain RESTful APIs using Java (Spring Boot or related web frameworks) or Python ... Collaborate with Product, QA, and DevOps teams to deliver reliable and scalable features * Write ...
Senior Backend Engineer
CA$140K - CA$180K/yr
Develop and maintain RESTful APIs using Java (Spring Boot or related web frameworks) or Python ... Collaborate with Product, QA, and DevOps teams to deliver reliable and scalable features * Write ...
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario, Intern, Backend Software Engineer - Team ... Java, TypeScript, SQL, Python * Frameworks: Spring Boot, Middy (AWS Lambda middleware), Spark
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario, Intern, Backend Software Engineer - Team ... Java, TypeScript, SQL, Python * Frameworks: Spring Boot, Middy (AWS Lambda middleware), Spark
Senior Backend Engineer (Online Security)
Toronto, ON · Remote
CA$130K - CA$190K/yr
Develop and maintain RESTful APIs using Java (Spring Boot or related web frameworks) or Python ... Collaborate with Product, QA, and DevOps teams to deliver reliable and scalable features * Write ...
Senior Backend Engineer (Online Security)
Toronto, ON · Remote
CA$130K - CA$190K/yr
Develop and maintain RESTful APIs using Java (Spring Boot or related web frameworks) or Python ... Collaborate with Product, QA, and DevOps teams to deliver reliable and scalable features * Write ...
Lead Java Full Stack Developer
Mississauga, ON · On-site
CA$120K - CA$170K/yr
Lead Java Developer Role Summary: We are looking for a Java Full-Stack Engineer to design, build ... This role spans front-end development (Angular or React) and back-end services (Java/Spring Boot ...
Lead Java Full Stack Developer
Mississauga, ON · On-site
CA$120K - CA$170K/yr
Lead Java Developer Role Summary: We are looking for a Java Full-Stack Engineer to design, build ... This role spans front-end development (Angular or React) and back-end services (Java/Spring Boot ...
About the Senior Java Developer position We are looking for an experienced Senior Java Developer ... This role has solid reach and will suit someone who likes backend development and DevOps ...
Quick apply
About the Senior Java Developer position We are looking for an experienced Senior Java Developer ... This role has solid reach and will suit someone who likes backend development and DevOps ...
Senior Backend Engineer
Toronto, ON · On-site
As a Senior Backend Engineer , you will have a hand in architecting the technology and customer ... Rich development experience with Java, Spring, and SQL * Experience developing scalable, customer ...
Senior Backend Engineer
Toronto, ON · On-site
As a Senior Backend Engineer , you will have a hand in architecting the technology and customer ... Rich development experience with Java, Spring, and SQL * Experience developing scalable, customer ...
Freelance Java Back End Developer information
What does a freelance Java back end developer do?
A Freelance Java Back End Developer is a software professional who specializes in building and maintaining the server-side logic of web applications using the Java programming language. They work independently on a contract basis for various clients, handling tasks such as developing APIs, managing databases, and ensuring the performance and security of the application’s back end. Their responsibilities often include collaborating with front-end developers, integrating third-party services, and troubleshooting server-side issues. Freelancers in this role can work remotely or onsite, offering flexibility to both clients and developers.
What are the key skills and qualifications needed to thrive as a freelance Java back end developer, and why are they important?
To thrive as a Freelance Java Back End Developer, you need strong proficiency in Java, object-oriented programming, RESTful API design, and experience with frameworks like Spring or Hibernate, typically supported by a relevant degree or proven project portfolio. Familiarity with version control systems (such as Git), build tools (like Maven or Gradle), cloud platforms, and continuous integration/continuous deployment (CI/CD) pipelines is highly valued. Outstanding problem-solving abilities, self-motivation, and effective client communication set top freelancers apart. These skills ensure you can deliver robust, maintainable solutions independently and build lasting client relationships.
What are some common challenges faced by freelance Java back end developers when working with multiple clients simultaneously?
Freelance Java Back End Developers often juggle several projects at once, which can present challenges in time management, prioritizing tasks, and aligning with different client expectations. Each client may use distinct tech stacks, communication tools, and development processes, requiring adaptability and strong organizational skills. Clear communication, setting realistic deadlines, and using project management tools can help freelancers maintain quality and meet deliverables across diverse projects.
What is the difference between Freelance Java Back End Developer vs Freelance Java Software Engineer?
| Aspect | Freelance Java Back End Developer | Freelance Java Software Engineer |
|---|---|---|
| Credentials | Java certifications, experience in backend frameworks | Java certifications, broader software development skills |
| Work Environment | Remote, project-based, client-specific | Remote or on-site, project or product-focused |
| Industry Usage | Primarily in backend development projects | Involved in full software development lifecycle |
| Search & Comparison Intent | Focus on backend Java skills | Broader software development expertise |
While both roles involve Java skills, a Freelance Java Back End Developer specializes in server-side development, focusing on backend systems. A Freelance Java Software Engineer may have a broader scope, including full-stack or application development, often requiring additional skills beyond backend work.
What are the most commonly searched types of Java Back End Developer jobs in Toronto, ON?
The most popular types of Java Back End Developer jobs in Toronto, ON are:
What are popular job titles related to Freelance Java Back End Developer jobs in Toronto, ON?
For Freelance Java Back End Developer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Freelance Java Back End Developer jobs in Toronto, ON look for?
The top searched job categories for Freelance Java Back End Developer jobs in Toronto, ON are:
UI/UX Developer (Internal Tooling & Systems)
Toronto, ON • On-site
Alquemy
Full-time
Re-posted 13 hours ago
Job description
Job Description Our client is seeking a developer to build the technical interface layer connecting complex financial engines to end-users. This role is for a hands-on engineer focused on building robust libraries, reusable components, and high-performance tools that make their trading systems functional and intuitive. What You Will Do: Tooling & Library Development: Design and build internal UI libraries and reusable components for the broader Java development team.
High-Performance Web Systems: Develop front-end logic for Financial Markets Trading (Equity, FX, Fixed Income) and Risk Management platforms where data density and speed are critical. Template Engineering: Bridge the gap between Java back-ends and the browser using server-side rendering tools (e.g., Velocity Templates). Business Logic Integration: Proactively learn the financial logic of the Front Office to ensure the UI accurately represents complex financial data
Full-Cycle Engineering: Handle everything from requirements gathering to automation and deployment of UI assets. Candidate Profile: You are a peak hands-on coder who views CSS and JavaScript as engineering tools. You prioritize function, performance, and logic over "fluff" and enjoy building foundational frameworks.
You are a logical thinker, likely with a Math, CS, or Engineering background, who methodically solves complex data-flow problems. You are technically curious about optimizing data flow from the Java back-end for zero-latency environments. Technical Skills Required: JavaScript Mastery: Deep experience with vanilla JS and modern frameworks, focusing on state management and performance in data-heavy applications.
Advanced HTML & CSS: Expert-level ability to build complex, responsive layouts without relying on heavy external libraries. Core Logic: Strong ability to write clean, maintainable, and modular code. Bonus: Experience with server-side templating (like Velocity Templates) and a basic understanding of Java-based web applications.