Backend Developer

Mid-level Backend Developer talent pool in Toronto, focused on request handling, data writes, and safe retries. This talent-pool listing is for a mid-level Backend Developer based in Toronto, Canada. Day to day, the focus is request handling, data writes, and safe retries. A typical stretch of time is spent tracing a request, adjusting a query, and documenting the failure the caller will see. Responsibilities - Own the request-flow note so the API reviewer can see the dropped writes without a separate explanation. - Every week, bring the schema-change note up to date and resolve the breaking fields before the next cycle. - Write the retry policy in plain language and mention the unbounded retries in the same note. - If the integration contract stalls, say so the same day and state what you already did about the unpublished field changes. - Keep the incident timeline in the shared tracker, not in a personal folder. - Treat the query plan as finished only after you have checked the slow path. Requirements - Roughly 3 to 6 years of designing and operating server-side application code that matches this backend developer profile, or a shorter record with the same kind of finished work. - Practical skill with SQL and one general-purpose language such as Python in backend developer work, not a certificate alone. - Able to explain what a failed request did to stored data to a colleague who was not in the room. - Careful with retries that duplicate a write; this is checked in review of backend developer work. - For the backend developer brief in Toronto, use the working language of that assignment in Canada. Nice to have - Index and query reading is useful on backend developer assignments in Toronto, and it is not required. - People who have already done an integration with a third-party API can start this backend developer brief with less coaching. - Idempotent write design is a plus for backend developer work based in Toronto. Skills SQL, Python, API design, data modelling, logging, version control, code review, incident notes Working conditions This is an on-site backend developer listing in Toronto, Canada. Work happens at the assignment's premises. The usual week is Monday to Friday, on Eastern Time. The work is desk-based, with occasional incident cover outside the usual day. Location The hiring base for this backend developer listing is Toronto, Canada. English is the working language for this Toronto brief. Qualified people are considered without regard to race, color, religion, sex, national origin, age, disability, or other characteristics protected by applicable law. This is a talent-pool listing. Your profile will be reviewed and matched to employer openings that fit; submitting an application does not guarantee an interview or placement.