Senior Backend

+We're looking for a senior backend-focused full-stack engineer to clean up and harden an existing production platform. · +Audit backend routing and API endpoints · Fix incorrect destination paths and route mismatches · Validate and harden role-based access control · ...

We are looking for a highly experienced Senior Backend / AI Systems Engineer with over 10 years of experience to develop our Core Governance Engine. · ...

We are seeking a highly skilled Senior Backend & Systems Engineer to join our team. · The ideal candidate will have extensive experience in backend development using Python, C++, and Rust. · ...

We are looking for a senior backend developer with a strong security mindset. · ...

We are looking for a Senior Backend Engineer (Python) to help implement a document processing and search backend for a business application. · Implement backend APIs using Python (FastAPI or similar) · Build document ingestion and processing pipelines · Integrate OCR and text ext ...

We are seeking a seasoned Senior Backend & DevOps Engineer to join our development team for an exciting project. The ideal candidate will possess significant experience in backend technologies, cloud infrastructure, and CI/CD pipelines. Your role will involve designing scalable a ...

We are seeking a highly skilled Senior Backend and Security Engineer to enhance our API security and implement OAuth protocols. · This role requires a proactive individual who can develop and implement security strategies that align with our business objectives. If you have a pas ...

We're looking for a senior engineer to take ownership of an early-stage but well-structured platform and bring it to a production-ready state. · The product is not live yet and does not have real users. Two independent audits have already been completed and clearly outline what m ...

We are building Cako an AI-driven cannabis discovery platform focused on mood-based product recommendations fuzzy search and predictive analytics for the Toronto market. · Build backend system for mood-based product matching and fuzzy search · Design REST API endpoints for fronte ...

I'm building a voice-based virtual assistant that answers incoming phone calls captures job details escalates to a human when needed. · Detailed conversation flows · Statemachine logic · Escalation rules and constraints · ...

We are looking for an experienced Senior Backend Engineer / Software Architect to perform a technical audit and scalability review of an existing SaaS application. · ...

We're hiring a senior engineer with strong Go expertise to build and scale production backend systems.This role is for someone who can design clean services, reason about performance and reliability, and take ownership of critical paths in a live product. · ...

We run a financial comparison platform that aggregates data on credit cards. · Parsed/raw data from multiple sources flows into a clean, unified database schema · The frontend can consume consistent, well-structured APIs for cards · ...

We're looking for a senior engineer to own backend, architecture, · and infrastructure decisions. · Own backend & platform architecture · Build internal admin/backend systems for customer onboarding · Improve infrastructure, deployment, · & security · ...

We are looking for an experienced Backend / Integration Engineer to join our AI product team on a contract basis. · You will work closely with our AI, product, and QA teams to ensure secure, reliable, and scalable LMS workflows. · This role is heavily backend-focused and integrat ...

We are looking for a senior backend-leaning engineer to maintain production stability across our existing apps, · design and build a unified modular platform, · consolidate shared services (auth, data models, integrations), · and architect a clean integration layer for marketing ...

We are building a lightweight payment integration layer on top of API-only payment provider. · This is a backend-driven payment system with secure webhook handling. · Build a minimal but secure payment system including: · ...

We're building a free, open-source privacy-first visa scheduling platform powered by community-reported slot sightings. · I am looking for someone who can code with me on this project. · ...

We are looking for a senior Full Stack Developer to support the production migration of a mature, business-critical application, followed by ongoing development and improvements. · The staging environment has already been migrated successfully. The next step is the production mig ...

We require a senior backend engineer to design and implement robust APIs, · billing systems, and service automation across our product stack.Airfree Cloud provides domain registration,e-mail services, · web hosting,VPS,and ISP-aligned offerings. · ...

We are looking for a senior backend engineer to help build a consent-first scheduling assistant. · Design backend workflows for detecting and batching possible calendar events · Build SMS-based approval flows (approve, ignore or reply to modify) · ...