{"id":3737470,"url":"https://alion.io/job/hays-application-developer-iii","title":"Application Developer III","company":{"id":1050165,"name":"Hays","domain":"hays.ca","url":"https://alion.io/company/hays-ca","size_band":"5000+","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Waterloo, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":80,"max":90,"currency":"CAD","period":"hour","gross":null,"usd_annual":128000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Amazon CloudWatch","optional":false},{"name":"Amazon EC2","optional":false},{"name":"Amazon EKS","optional":false},{"name":"Amazon S3","optional":false},{"name":"AWS","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"IAM","optional":false},{"name":"Kubernetes","optional":false},{"name":"Python","optional":false},{"name":"Snowflake","optional":false},{"name":"SQL","optional":false},{"name":"Checkmarx","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Power BI","optional":true},{"name":"Snyk","optional":true},{"name":"Tableau","optional":true}],"status":"live","first_seen_at":"2026-10-22T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-10-22T00:00:00Z","board_verified":false,"closed_at":null,"days_open":15,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":15},"description":"Job Title: Application Developer\nLocation: Toronto, ON, Waterloo, ON (Hybrid 2-3 days onsite)Duration: 12 Months contract with possibility of extension \nJob Description:Seeking a Senior Software Engineer with experience in software development, cloud engineering, DevOps, and data platforms. The role involves building enterprise applications and APIs, supporting AWS cloud solutions, enhancing data platforms, and contributing to AI-enabled initiatives.\nResponsibilities:Develop, deploy, and support applications and APIs using C#, .NET Core, Python, and SQL.Build and maintain CI/CD pipelines and cloud-based solutions on AWS.Support Snowflake and modern data platforms, including data integration and optimization.Troubleshoot production issues and implement secure, scalable solutions.Collaborate with architects, engineers, and business stakeholders to deliver high-quality solutions.Contribute to application modernization, automation, and continuous improvement efforts.\nRequired Skills:5+ years of experience in Software Development, Cloud Engineering, DevOps, or Data Engineering.Strong experience with C#, .NET/.NET Core, Python, SQL, and web application development.Hands-on experience with AWS (EC2, S3, RDS, EKS, IAM, CloudWatch).Experience with CI/CD tools, Docker, Kubernetes, and API development.Knowledge of Snowflake or similar cloud data platforms.Strong troubleshooting, communication, and stakeholder management skills.\nPreferred Skills:Experience with AI/GenAI solutions and intelligent automation.Knowledge of Power BI, Tableau, PostgreSQL, and analytics platforms.Exposure to DevSecOps tools such as Snyk or Checkmarx.Experience in financial services, insurance, or other regulated industries.Previous mentoring or technical leadership experience.\n\n If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. \n If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion on your career. \n\n This posting is not for an existing vacancy with the organization. \n AI may be used to screen, assess or select applicants for the position. \n\n#LI-DNI\n #1127229 - 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