Senior Back End Software Developer (St. John's)

Senior Back End Software Developer (St. John's)

19 Apr
|
CoLab
|
St. John's

19 Apr

CoLab

St. John's

About the Role We’re hiring a Senior Back End Developer to join our Build Viewing team—focused on a new product offering with a heavy data component at its core.You’ll be the sole back end developer on this team. That’s intentional. You won’t be handed neatly scoped tickets or wait on someone else to define the architecture—you’ll own it.This role is about building the systems that make complex engineering data usable, fast, and reliable. You’ll design and implement services in Python, model and optimize data in Postgres, and work closely with frontend engineers to bring entirely new workflows to life.A typical week might include designing a data model to support large-scale design datasets, debugging a performance bottleneck that only appears under real customer load, or pushing back on a proposed approach because you see a simpler, more scalable path.This is not a maintenance role. You’re building something recent, where the right technical decisions early will matter a lot later.Our Ideal Candidate You like being the person others rely on for backend decisions—and you take that responsibility seriously. You’re comfortable working with ambiguity. There won’t always be a clear “right answer,” and you’re expected to move things forward anyway. You care about data—how it’s structured, queried, and scaled. You’ve felt the pain of bad schemas or slow queries, and you know how to avoid them. You won’t thrive here if you need tightly defined specs, heavy oversight, or a large backend team to lean on day‑to‑day. This role requires autonomy and robust technical judgment.



If the idea of owning a critical part of a current product—without a safety net—sounds energizing, you’ll likely do well here.Job ResponsibilitiesOwn the backend architecture for a new data‑heavy product offeringDesign and implement services in Python that are reliable, scalable, and maintainableModel, query, and optimize complex datasets in PostgresIdentify and resolve performance bottlenecks in data‑intensive workflowsCollaborate closely with frontend developers to shape APIs and user‑facing functionalityMake pragmatic tradeoffs between speed of delivery and long‑term scalabilityEstablish patterns and standards that future backend developers can build onQualifications7+ years of backend development experience in a production environmentStrong experience with Python and relational databases (Postgres preferred)Proven ability to design data models and optimize query performanceExperience building and maintaining APIs for data‑heavy applicationsComfortable owning systems end‑to‑end, from design through productionExperience with writing robust unit testsBenefitsFull‑time, permanent position with competitive compensation and stock optionsExtended health benefits, unlimited paid vacation, and RRSP matchingRemote‑first, with flexibility to work from anywhere in CanadaEquity Note Frequently cited statistics show that people who identify with historically marginalized groups are likely to apply to jobs only if they meet 100% of the qualifications. We encourage you to help us break that statistic and apply even if you don’t meet every single qualification—your potential is what matters most to us.#J-18808-Ljbffr

📌 Senior Back End Software Developer (St. John's)
🏢 CoLab
📍 St. John's

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