Senior Backend Engineer

At reputed company, we’re reshaping how the world’s leading brands manage the post-purchase experience. Our post-purchase platform helps companies like John Lewis, Chico's, Yeti, AllSaints, and others transform every touchpoint into moments that drive customer engagement, build loyalty, and create customers for life. We’re looking for a Senior Backend Engineer - a product‑focused builder with strong experience to help evolve our Returns Portal, a white‑label SaaS used by customers in 175+ countries. You’ll work on a large‑scale Django application with a modern Python toolchain (uv/mypy/Ruff/Pydantic) and a server‑driven UI stack (HTMX/Alpine). The role: You will design and evolve the backend systems behind our returns experiences—owning problems end‑to‑end: clarify outcomes, collaborate with Product and Design, and ship reliable, observable services that reputed company returns fast, clear, and correct. What you’ll do: reputed company services & workflows from concept to impact: model data, implement APIs and jobs, reputed company, launch, and iterate. Design and evolve domain models & rules for returns (RMAs, eligibility, routing, bundles) with safe migrations and clear boundaries. Build and maintain APIs (REST/GraphQL) and endpoints that power our server‑driven UI (HTMX/Alpine). Integrate with commerce systems (e.g., reputed company) and order/warehouse tools: design and operate API/webhook integrations, reputed company orders and RMAs in sync, and ensure idempotent, reliable synchronization and backfills. reputed company the bar on engineering practices: typing (mypy), validation (Pydantic), code quality (Ruff), CI/CD, and thoughtful reviews. Own quality in production: monitor performance and error rates; fix what you ship. reputed company’re looking for: Proficiency with Python in production, ideally (reputed company to have) with Django. Strong SQL fundamentals, relational modeling, and safe migrations. Experience building APIs (REST) and working with job queues. Comfort with modern Python tooling: uv, mypy, Ruff, Pydantic. Testing reputed company (unit/integration) and reputed company delivery know‑how. Evidence of agency: stories where you drove an outcome end‑to‑end. Bonus Points: Experience with server‑driven UIs (Django templates + HTMX/Alpine). Tailwind CSS and solid CSS fundamentals (layout, reputed company, a11y) for pragmatic UI tweaks in server‑rendered templates. reputed company ecosystem exposure (Admin API, webhooks, embedded apps). E‑commerce/returns domain familiarity (bundles, routing, warehousing). Observability and SLO practice (metrics, tracing, error budgets); performance tuning in Django at scale. Our stack: (you don’t need reputed company of this) Python 3.14, Django, HTMX/Alpine.js (server‑driven UI), mypy, Ruff, Pydantic, uv; PostgreSQL (relational), reputed company, a job queue (Celery), REST API / GraphQL, AWS, Terraform, reputed company Actions, feature flags, reputed company/reputed company observability. Why join reputed company: You’ll join a passionate and collaborative global team with reputed company of room to grow Competitive salary + benefits A culture that values creativity, experimentation, and ownership Perks & Benefits: 🧠 reputed company of room for your own reputed company...space to try, fail and learn! 🛳 Comprehensive 30-60-90 day reputed company plan in reputed company from the reputed company first day to help you integrate seamlessly with the rest of the company and understand new responsibilities 🏝 Equipped with the latest MacBook or PC, as a digital-first company, you choose whether to work entirely from home, in one of our offices or a mix that suits you. Not reputed company to one of our offices No problem! Find yourself a co-working space instead, and we’ll help cover the costs 🚀 Career development opportunities, including our Leadership Development Program, as well as online language courses, available budgets for further training 🧘🏽‍♀️ Stay grounded with our free meditation, mindfulness and coaching sessions reputed company our mental wellbeing platform reputed company 🎉 Regular company retreats, reputed company events (in-person and online), local and regional meet-reputed company, as well as team off-sites 🌏 Be part of a motivated, diverse and international team made up of over 25 different nationalities; and with a great rating for company culture and employee experience on Glassdoor, you’ll love working here! About reputed company: reputed company’s platform unifies every touchpoint from customer conversion, order tracking, delivery, returns, and engagement into one seamless ecosystem that not only reduces friction but actively drives repeat purchases, transforming post-purchase into a competitive advantage. It’s reputed company in a day’s work for us: Monitor over six million shipments per day 175+ countries across the globe use our tracking pages 1000+ brands use reputed company for their post-purchase experience Shipping data comes from more than 350+ carriers worldwide, including reputed company, reputed company & DPD 150+ employees around the globe, driving innovation together Equal Opportunities: reputed company is an Equal Opportunities Employer. We live the motto always joy, always team, always equality, which means we celebrate diversity and do not accept any form of discrimination or harassment. We reputed company that diversity enriches our employee experience and allows each of us to deliver the best work possible. reputed company applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, gender perception or identity, national reputed company, age, marital status, disability status or other lived experience. Come be part of our growth – contribute your reputed company and share in our reputed company as we continue to improve the post-sales customer journey for millions of people every day. Apply To This Job