We’re Proof, a high growth company in the legal tech industry, launched in 2017. We’ve built a best‑in‑class legal services platform used by thousands of law firms with a sustained average growth rate of over 10%. Our marketplace platform helps law firms and pro se parties access more efficient, transparent, and accessible legal services that are not traditionally available to everyone. Our primary services are Service of Process and E‑Filing. We currently support over 3,000 law firms throughout the US and countless pro se parties. Senior Back End Engineer
- Mobile Team If you thrive in fast‑paced environments, love solving complex technical challenges, and are passionate about building high‑performance mobile experiences, this role is for you. Architect and optimize database schemas, queries, and data pipelines to support growing data volumes and complex business requirements. Build and maintain robust RESTful APIs that power our web and mobile applications, with a focus on performance and developer experience. Collaborate with mobile and frontend engineers to design efficient API contracts and ensure seamless integration across platforms. Identify and address performance bottlenecks, implement caching strategies, and optimize system reliability. Work closely with cross‑functional teams, including Product and Design, to deliver impactful features within an agile development environment. Conduct thorough code reviews, uphold best practices, and contribute to a culture of technical excellence. 5+ years of backend development experience,



demonstrating proficiency in building, testing, and deploying scalable web services and APIs. Strong experience with relational databases PostgreSQL preferred, including schema design, query optimization, and data modeling. Strong proficiency in Go, with experience building production services in a Go‑based backend environment. Experience with cloud infrastructure AWS, GCP, or Azure, containerization, and deployment pipelines. Familiarity with CI/CD practices, automated testing frameworks, and infrastructure‑as‑code tools. Strong communication and collaboration skills, with experience working in remote, agile teams. Experience with geospatial data and tools such as Uber’s H3 library, PostGIS, or similar spatial indexing systems. Advanced PostgreSQL optimization skills, including query tuning, indexing strategies, and handling large‑scale datasets. Experience with or understanding of mobile development, particularly React Native, and the unique requirements of mobile‑backend integration. Familiarity with legal technology or document processing workflows. Full‑time, salaried position Fully remote role, based in Canada Versatile time off and holidays to support work‑life balance Comprehensive benefits package, including healthcare, dental, life, and long‑term disability Full‑time, remote role (Canada‑based) 120,000 – $160,000 CAD based on experience and location Adaptable time off & holidays to support work‑life balance Comprehensive benefits, including healthcare, dental, life, and long‑term disability

📌 Senior Back End Mobile App Developer (Canada)
🏢 Proof
📍 Canada