Senior Backend Engineer

This role is for one of the Weekday's clients Salary range: Rs 4000000 - Rs 8000000 (ie INR 40-80 LPA) Min Experience: 4+ years Location: Remote (India) JobType: full-time We are building an advanced execution platform that enables teams to securely author, run, and share internal and external code within a scalable enterprise environment. This platform plays a critical role in empowering data-driven workflows, automation, and intelligent decision-making across large-scale systems. We are looking for a highly skilled Senior Backend Engineer to design and develop a secure, scalable, and developer-friendly execution engine. This role involves solving complex engineering challenges related to sandboxing, distributed systems, resource management, observability, and platform scalability. This is a high-impact opportunity for engineers passionate about backend infrastructure, platform engineering, and developer productivity. Key Responsibilities Design, develop, and scale a secure execution platform for running internal and external code workloads. Build backend services and APIs to manage execution workflows including scheduling, monitoring, cancellation, logging, and reporting. Architect isolated and sandboxed environments with strong security controls and resource quota management. Ensure high system reliability, resilience, and horizontal scalability under growing workloads. Integrate execution services with data platforms, analytics systems, and ML workflows. Collaborate with product managers, platform teams, and engineers to deliver intuitive developer experiences. Drive engineering best practices around observability, performance optimization, scalability, and execution safety. Contribute to technical architecture discussions and mentor junior engineers where needed. Required Qualifications 5+ years of backend engineering experience, preferably in distributed systems, infrastructure, or platform engineering. Strong expertise in at least one backend language such as Python, Go, Java, or similar. Experience designing and building RESTful APIs and/or gRPC services. Hands-on experience with containerization and orchestration technologies such as Docker and Kubernetes. Strong understanding of secure code execution, sandboxing, and resource isolation techniques. Experience with distributed job queues and orchestration systems such as Celery, Airflow, Kubernetes Jobs, or similar tools. Proven ability to build scalable, observable, and fault-tolerant systems. Strong problem-solving, debugging, and collaboration skills. Good to Have Skills Experience building notebook-style execution platforms or developer tooling environments. Exposure to data engineering or machine learning platforms and execution workflows. Experience working with multi-tenant architectures and shared infrastructure security. Familiarity with backend technologies including Golang and JavaScript. Preferred Skills Backend Development Golang JavaScript Distributed Systems Kubernetes Docker Platform Engineering API Development