Mirrai Careers

Senior Java Backend Developer

Electric Mind

Downtown Toronto Contract Posted 8d ago
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At Electric Mind, Engineering is where strategy meets action. Our team helps organizations cut through complexity—aligning business ambition with technology execution to unlock real, lasting change. You’ll work alongside curious, driven people tackling high-impact challenges for everyone from scaling startups to global enterprises. Each engagement is different, pushing you to learn, adapt, and grow.   Electric Mind’s Technology Practice brings together deep engineering expertise, modern delivery disciplines, and pragmatic architectural thinking to help clients execute complex, mission-critical transformation. We design and implement scalable, secure, high-impact technology solutions that accelerate business outcomes.   We’re looking for a Senior Java Backend Developer to join our team. This opportunity is open to candidates interested in either permanent or contract employment. You’ll work as part of an experienced delivery team building and enhancing enterprise applications for a large financial services client. This is a hands-on engineering role for someone with strong Java backend expertise who is comfortable working in complex enterprise environments and collaborating closely with technical and business stakeholders. As an AI-native organization, we’re also looking for engineers who are interested in how AI can improve the software delivery lifecycle. Experience using AI-assisted development tools such as GitHub Copilot, Cursor, Claude Code or similar tools is an asset. WHILE WORKING WITHIN A TEAM IN AGILE ENVIRONMENT, YOU WILL BE: * Designing, developing and enhancing scalable backend applications and services using Java and Spring-based technologies * Building and maintaining APIs and microservices that support high-volume, business-critical applications * Working across the software delivery lifecycle, including solution design, development, testing, code review and production support * Collaborating closely with developers, Business Systems Analysts, Technical Leads and other stakeholders to translate business requirements into effective technical solutions * Applying sound object-oriented design principles, engineering practices and design patterns to produce maintainable, high-quality software * Developing and integrating RESTful APIs and services within complex enterprise environments * Working with relational databases and data persistence technologies * Participating in code reviews, automated testing, debugging and performance optimization * Contributing to continuous improvement of engineering practices, development processes and delivery effectiveness * Using modern development tools and exploring AI-assisted engineering techniques to improve productivity and quality across the software development lifecycle * Communicating effectively with client and internal teams and contributing to a collaborative, high-performing delivery environment MUST HAVE' SKILLS/EXPERIENCE: * 5+ years of professional software development experience, with strong hands-on experience developing backend applications in Java * Strong experience with Spring and Spring Boot * Experience designing and developing REST APIs and microservices * Strong understanding of object-oriented programming, software design principles and common design patterns * Experience working with relational databases, SQL and core database concepts * Experience with Git-based source control and modern software development practices * Experience writing and maintaining automated tests and participating in code reviews * Strong debugging, problem-solving and analytical skills * Experience working within Agile software delivery teams * Strong communication and collaboration skills, with the ability to work effectively with both technical and business stakeholders * Bachelor’s degree in Computer Science, Engineering or a related discipline, or equivalent practical experience NICE TO HAVE' SKILLS/EXPERIENCE: * Previous experience within banking, payments or financial services * Experience building or supporting high-volume, transaction-oriented systems * Experience with cloud-native application development and modern enterprise architectures * Experience with messaging, event-driven architectures or distributed systems * Hands-on experience using AI-assisted software development tools such as GitHub Copilot, Cursor, Claude Code or similar * Interest in applying AI across activities such as requirements analysis, solution design, coding, testing, debugging and code review * Experience working in consulting or client-facing delivery environments About Electric Mind  Electric Mind is a fast-growing, AI-native advisory and digital engineering firm built for those who want to shape the future, not just watch it happen. We blend premium strategy expertise with cutting-edge AI-centric engineering to solve complex, meaningful problems for industry-leading clients.   We pride ourselves on a high-touch delivery model and a culture that values diverse talent, innovation, and true client partnership — creating an environment where your ideas matter and your impact is visible.   If you’re looking for a place where you can grow fast, collaborate with exceptional teammates, and help build a company scaling its capabilities and global footprint at speed — Electric Mind is the place to ignite your career. The future is bright!  For more info on Electric Mind, check out our Careers Page and Instagram. Electric Mind is committed to diversity in the workplace. We are an inclusive employer and welcome and encourage applications from all qualified candidates. Applicants’ needs will be accommodated during our recruitment and selection process so please advise us if you require accommodation.

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