Senior Backend Developer

Job Description Application Process  To apply, please complete the form at: Only applications submitted through this link will be considered. About Athlitix Inc.  Athlitix Inc. is a U.S. based startup revolutionizing sports technology to transform how athletes train and get recruited. Join our team to drive meaningful impact with significant ownership and creative autonomy. Role Overview  As a Senior Backend Developer, you will design, develop, and maintain scalable, high-performance backend systems. Utilizing your expertise in Python, databases, and cloud technologies, you’ll build reliable and secure APIs, focusing on distributed systems, real-time data processing, and adherence to security and compliance best practices. Technical Requirements   - Backend: 4+ years with Python (FastAPI, async/await, type hints); 3+ years with PostgreSQL (production, optimization, indexing, PgBouncer, ACID, replicas, materialized views); 2+ years with Redis (production, caching, TTL, Pub/Sub, cluster, session, distributed locks); API development (RESTful, versioning, rate limiting, cursor pagination, JWT/OAuth, OpenAPI/Swagger).   - Cloud & DevOps: 3+ years with AWS (EC2, Auto-Scaling, S3, RDS, CloudFront, ALB, Lambda, IAM, Route 53); 2+ years with Terraform (modules, state, multi-environment); GitHub Actions (CI/CD, automated testing/deployment); Docker (best practices, multi-stage, Compose, optimization, security); Monitoring (Prometheus & Grafana or ELK/equivalent, structured logging, alerting, APM).   - Real-Time & Distributed Systems: WebSocket (scalable, connection management, heartbeat, horizontal scaling); Message Queues (Redis Pub/Sub, RabbitMQ, Kafka for event-driven systems, background jobs); Distributed Systems (CAP theorem, eventual consistency, caching, race conditions).   - Security & Compliance: Authentication/Authorization (JWT, OAuth 2.0, token rotation, session, RBAC); Security Best Practices (input validation, sanitization, SQL/XSS/CSRF prevention, rate limiting, encryption); Compliance (GDPR, COPPA fundamentals, data retention, audit logging).   - Database & Performance: Database optimization (query profiling, index design, N+1 resolution, connection pooling, caching); Performance optimization (API response, load testing, caching, profiling tools). Key Attributes   - Self-Starter: Takes full ownership from design to deployment.   - Problem Solver: Proficient in debugging and resolving issues in complex distributed systems.   - Communicator: Delivers clear written and verbal communication for documentation, code reviews, and technical discussions.   - Detail-Oriented: Prioritizes security, edge cases, and robust error handling.   - Adaptable: Thrives in a dynamic, fast-paced startup environment.   - Collaborative: Works effectively with mobile developers, AI engineers, and product teams.   - User-Focused: Emphasizes safety and compliance, especially for a platform serving minors. Work Environment   - Thrives in a remote, asynchronous work setting.   - Proactively identifies challenges and proposes solutions.   - Committed to high-quality code, thorough testing, and clear documentation.   - Eager to adopt new technologies and best practices.   - Open to feedback and iterative improvement. Preferred Technical Skills (Optional)   - Experience with social platforms (social networks, messaging apps, feed ranking, content moderation, user engagement).   - Payment systems (Stripe API, subscription management, multi-currency, webhook processing).   - Email infrastructure (SendGrid/AWS SES, email templates, deliverability optimization).   - Internationalization (multi-language, multi-region deployment, timezone handling).   - GraphQL (API design, implementation, schema design, query optimization).   - Familiarity with additional languages (Go, Rust, JavaScript, Dart).   - Message queue systems (RabbitMQ, Kafka, AWS SQS, event-driven architecture, Celery).   - Content delivery (CDN optimization, video streaming with HLS/DASH, image optimization).   - Mobile backend experience (Firebase Cloud Messaging, push notifications, mobile API optimization). Compensation & Benefits   - Competitive salary: ₹23,00,000 - ₹25,00,000 INR annually.   - Annual performance-based bonus and salary review.   - Fully remote role, collaborating with our U.S.-based team.   - Opportunity for technical leadership and influence on architecture decisions.   - Flexible work hours with a modern tech stack.   - Collaborative, ambitious team with significant product impact.   - Comprehensive health and life insurance benefits.