Senior Java Developer designing high-performance Java applications at Tecsys, a supply chain technology provider. Solving complex backend problems within Agile teams serving healthcare and logistics businesses.
Responsibilities
Design, develop, and maintain high-performance Java applications within an Agile team.
Participate in brainstorming sessions and understand requirements to code solutions.
Own complex technical problems end-to-end, from analysis and design through implementation, testing, deployment, and production support.
Shape architecture and technical direction, challenging proposed solutions when more pragmatic or sustainable alternatives exist.
Review code and provide feedback to improve quality, maintainability, and performance.
Mentor less experienced developers through pairing, knowledge sharing, and technical guidance.
Identify technical debt and quality risks and help prioritize remediation.
Collaborate with Tech Leads, Product Owners, and QA to turn ambiguous requirements into shippable solutions.
Use AI-assisted and agentic development tools while maintaining accountability for design, quality, security, and correctness.
Contribute to continuous improvement of Agile methodologies, tools, practices, and teamwork.
Requirements
Degree in Computer Science, Software Engineering, or equivalent experience.
5–7+ years building backend applications in Java.
Experience with JUnit, relational databases (PostgreSQL a plus), and standard tooling (Git, Maven, a modern IDE).
A track record of mentoring developers and giving constructive code review feedback.
Strong engineering judgment — you weigh trade-offs and land on pragmatic, maintainable solutions.
Solid grasp of clean code, automated testing, and managing technical debt.
Hands-on experience with REST services and API architecture.
Comfort using AI-assisted or agentic dev tools, with full ownership of what you ship.
Strong proficiency in both written and verbal English communication essential for effective correspondence with clients, suppliers, business partners and colleagues beyond the province of Quebec.
Must be a Canadian Citizen, Permanent Resident of Canada, or hold a valid Canadian work permit.
Backend Engineer scaling Bluehost’s hosting platform for small businesses. Building Python services and APIs while modernizing Linux, MySQL, and legacy Perl systems.
Associate Backend Engineer building Python, Linux, and MySQL hosting infrastructure for Bluehost. Supporting backend services, automation, and production systems at scale.
Security technical architect designing secure DevSecOps solutions for GitLab enterprise clients across AMER. Leading security assessments, compliance implementations, and migrations to GitLab security tooling.
Senior Java Developer building distributed Java, Big Data, and risk systems for TD Securities’ capital - markets banking platform. Supporting trading - risk applications, APIs, pipelines, testing, and production operations.
Senior backend engineer building AI - native, high - throughput device services for Life360’s family safety platform. Supporting telemetry, connectivity, and pet experiences across US and Canadian remote teams.
Senior Backend Engineer building secure APIs, databases, and services for Tucows Domains, a global wholesale domain registrar. Providing technical direction across distributed engineering teams.
Développeur Java sénior concevant des applications performantes pour Tecsys, innovateur en solutions de chaîne d'approvisionnement. Collaboration Agile, architecture, qualité du code et encadrement technique.
Java Developer modernizing Spring Boot applications from 2.7 to 3.5 and Java 11/17 to Java 21. Troubleshooting Maven builds, dependencies, compatibility, and migration issues.
Senior Java Backend Developer building Java and Spring APIs for Electric Mind’s technology consulting clients. Delivering scalable enterprise solutions in an Agile, hybrid Toronto environment.
Senior Backend Engineer building secure APIs, databases, and services for Tucows Domains, the wholesale domain registrar. Providing technical direction and coordinating delivery across systems.