Columbus Lead java software engineer Jobs – 38 Openings This Week

Flutter Developer
Kumaran Systems —Toronto, ON
- Full-time
- Computer Science
- Software troubleshooting
- Engineering
4d
QA Automation Engineer- Global Payments Engineering
Scotiabank —Toronto, ON
- Computer Science
- Software troubleshooting
- Engineering
- Tuition reimbursement
Senior Full Stack API Engineer
Questrade Financial Group —Toronto, ON
- $110,000–$140,000 a year
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Java
Quick apply
Sr. Data Engineer
Recutify Inc. —Markham, ON
- Full-time
- Computer science
- Oracle
- Computer Science
Quick apply
Senior Embedded Logging Software Developer
General Motors —Markham, ON
- $115,000–$164,600 a year
- Full-time
- Computer Science
- Engineering
- Maintenance
- Designated paid holidays
- Dental care
Senior Principal Site Reliability Engineer
Questrade Financial Group —Toronto, ON
- $150,000–$190,000 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Software troubleshooting
Quick apply
Principal Engineer
ENERCARE —Markham, ON
- $122,963–$169,689 a year
- Full-time
- Azure
- Java
- Databases
Quick apply
Senior Android Developer - Trailering
General Motors —Markham, ON
- $115,000–$164,600 a year
- Full-time
- Computer Science
- Software troubleshooting
- Engineering
- Designated paid holidays
- Dental care
Staff Android Developer – Infotainment
General Motors —Markham, ON
- $147,000–$196,600 a year
- Full-time
- Computer Science
- Software troubleshooting
- Engineering
- Designated paid holidays
- Dental care
Telemetry Firmware/Driver Development, Staff
Qualcomm —Markham, ON
- $113,800–$163,800 a year
- Computer science
- Doctoral degree
- Computer Science
QA Automation Senior Manager
Kumaran Systems —Toronto, ON
- Full-time
- Azure
- DevOps
- Java

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Software Engineer I (Fullstack Developer)
TD Bank —Toronto, ON
Deliver effective and efficient solutions that meet key project milestones and overall project deliverables on time, within budget, and adhering to development…
$59,500–$84,000 a year
3d
Staff Software Engineer - Capital One Travel Tech - Full-stack
Capital One - CA —Toronto, ON
At least 6 years of hands-on development experience preferably using at least two or more of the following programming languages: JavaScript, Java, Angular/…

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Flutter Developer

Kumaran Systems
Toronto, ON

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Job details

Full-time
4 days ago

Skills

Authentication
Responsive design
Performance tuning
Kotlin
Software engineering
Dart
MVC
Computer Science
Software Engineering
Continuous Delivery (CD) implementation
Software troubleshooting
iOS development
RESTful API
Engineering
Firebase database
iOS
Encryption
Maintenance
Android
Databases
Flutter
Software quality assurance
Bachelor's
Continuous improvement
Version control systems
SDKs
Mentoring
Redux
Scrum
Organizational skills
GitHub
SQLite
Unit testing
GraphQL
Swift
Cross-functional collaboration
Android development
Software development or architecture experience
GitLab
Communication skills
React Native
Software architecture
Debugging
Cross-functional communication
Time management
Mobile marketing
Design patterns

Full job description

Job Information

Department Name Banking
Date Opened 08/26/2026
Industry IT Services
Job Type Full time
Work Experience 5+ years
Required Skills
- swift
- organisational skills
- +26
City Ontario
State/Province Toronto
Country Canada
Zip/Postal Code M4C

About Us

Kumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and embracing AI-led possibilities. With over 34 years of delivery excellence, we specialise in re-engineering core applications, driving cloud transformation, and building automation-first, GenAI-enabled ecosystems across the Banking and Financial Services, Insurance, Telecom, and Automotive sectors. We help organisations not just upgrade their systems but reimagine what’s possible.

Why Kumaran?

We blend engineering discipline with AI innovation, helping clients modernise with confidence, automate with clarity, and scale with purpose. Our global delivery model ensures agility, responsiveness, and seamless collaboration, with clients always at the heart of every engagement. At Kumaran, we don’t just solve problems, we engineer future-ready transformations.

Job Description

Flutter Developer - Position Overview

We are seeking an experienced Flutter Developer to join our mobile development team. The successful candidate will have 3-5 years of professional mobile development experience and will be responsible for designing, developing, and maintaining high-quality mobile applications for iOS and Android platforms using the Flutter framework. This role offers an excellent opportunity to lead technical initiatives, mentor junior developers, work on innovative projects, and contribute strategically to our organization's mobile strategy.

Key Responsibilities

Design and implement sophisticated user interfaces that are intuitive, responsive, and visually appealing
Collaborate with product managers, designers, backend developers, and stakeholders to understand requirements and deliver solutions
Write clean, maintainable, well-documented, and production-ready code following best practices and coding standards
Conduct thorough code reviews and provide constructive feedback to team members, fostering a culture of continuous improvement
Troubleshoot, debug, and optimize application performance across different devices, OS versions, and network conditions
Integrate and manage third-party APIs, SDKs, and services into mobile applications
Participate in the full software development lifecycle, from concept, design, development, testing, deployment to maintenance
Mentor junior developers and contribute to their professional growth and skill development
Stay updated with the latest Flutter developments, tools, industry best practices, and emerging technologies
Contribute to continuous improvement of development processes, methodologies, and architectural decisions
Participate in technical discussions and provide recommendations for technology stack and architectural improvements.
Ensure code quality through implementation of testing strategies and quality assurance practices

Required Qualifications

Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent professional experience)
Minimum 4-6 years of professional mobile application development experience
Minimum 3+ years of hands-on experience with Flutter and Dart programming language
Proven track record of developing and shipping production-grade mobile applications on iOS and Android
Deep understanding of mobile app architecture, design patterns (MVC, MVVM, BLoC, Provider, River-pod, etc.), and architectural principles
Strong expertise with RESTful APIs, GraphQL, and integration of backend services
Advanced proficiency with version control systems (Git) and collaborative development workflows
Extensive experience with mobile app testing frameworks and comprehensive testing methodologies (Unit, Widget, Integration, E2E)
Strong problem-solving skills, analytical thinking, and attention to detail
Excellent communication and teamwork abilities with proven experience working in cross-functional teams
Solid experience with Android and iOS development environments, tools, and platform-specific considerations
Experience with performance optimization, memory management, and debugging tools

Preferred Qualifications

Advanced experience with state management solutions (Provider, River-pod, GetX, BLoC, Redux)
Extensive knowledge of Firebase ecosystem (Real-time Database, Firestore, Cloud Functions, Authentication, Analytics)
Experience designing and implementing CI/CD pipelines for mobile applications
Strong familiarity with Agile and Scrum development methodologies
Experience with native Android (Kotlin/Java) or iOS (Swift/Objective-C) development
Significant contributions to open-source projects, particularly Flutter-related projects
Experience with app performance optimization, profiling, and monitoring tools
Deep knowledge of UI/UX principles, responsive design, and accessibility standards
Experience with app security best practices, encryption, and secure data storage
Knowledge of mobile app monetization strategies and analytics integration
Experience leading technical teams or mentoring developers
Familiarity with platform-specific features and capabilities (push notifications, location services, camera, etc.)

Technical Skills

Flutter SDK and Dart language (advanced proficiency)
Mobile app architecture and design patterns
State management solutions (Provider, River-pod, BLoC, GetX)
RESTful API design and integration
GraphQL implementation and integration
Database management (SQLite, Firebase Real-time Database, Firestore, Hive)
Authentication and authorization mechanisms (OAuth, JWT, Firebase Auth)
Version control (Git/GitHub/GitLab/Bit-bucket)
Testing frameworks and methodologies (Unit, Widget, Integration, E2E testing)
Android Studio and Xcode IDEs
Package management and dependency resolution
Performance profiling and optimization tools
CI/CD tools and platforms (GitHub Actions, GitLab CI, Fast-lane, etc.)
Firebase and cloud services
App security and data encryption

Soft Skills

Excellent communication and interpersonal skills
Ability to work independently and as part of a team
Problem-solving and analytical thinking
Time management and organizational skills
Adaptability and willingness to learn new technologies
Attention to detail and commitment to quality
Collaborative mindset and openness to feedback
Proactive approach to identifying and solving problems

Kumaran Systems is an Equal Opportunity Employer and does not discriminate on the basis of race or ethnicity, religion, sex, national origin, age, veteran disability or genetic information or any other reason prohibited by law in employment.

Apply Now

Refine Your Search

lead java software engineer jobs in columbus

Flutter Developer

QA Automation Engineer- Global Payments Engineering

Senior Full Stack API Engineer

Sr. Data Engineer

Senior Embedded Logging Software Developer

Senior Principal Site Reliability Engineer

Principal Engineer

Senior Android Developer - Trailering

Staff Android Developer – Infotainment

Telemetry Firmware/Driver Development, Staff

QA Automation Senior Manager

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