Senior Software Engineer

Reelables is a rapidly scaling tech company based in North London (near Angel), developing the world's most advanced smart shipping labels. Our breakthrough technology is already transforming how companies track and manage their shipments globally, and we're just getting started. Responsibilities Infrastructure & Scalability

• Design and build highly scalable backend systems that handle millions of concurrent IoT device connections
• Architect data pipelines that process massive streams of location, temperature, and sensor data in real-time
• Develop robust APIs that power both our customer platform and third-party integrations
• Ensure our infrastructure can scale seamlessly from startup to enterprise-level traffic

Mission-Critical Reliability

• Build fault-tolerant systems with comprehensive monitoring, alerting, and automated recovery
• Implement security best practices for handling sensitive logistics and tracking data
• Design disaster recovery and business continuity solutions for 24/7 global operations
• Optimize system performance to handle peak loads during high-traffic periods (think Black Friday logistics!)

DevOps & Platform Excellence

• Lead infrastructure-as-code initiatives using Terraform and CloudFormation
• Build and maintain CI/CD pipelines that enable our team to deploy confidently multiple times per day
• Implement comprehensive observability across our entire technology stack
• Drive initiatives to improve developer productivity and system reliability

Innovation & Technical Leadership

• Research and implement cutting-edge technologies for IoT data processing and real-time analytics
• Mentor team members on platform engineering best practices and system design
• Collaborate with the Product Engineering team to ensure seamless integration between platform and customer features
• Contribute to technical architecture decisions that will shape our platform for years to come

• Backend Mastery: Advanced TypeScript/Node.js/Python skills with deep understanding of scalable system design
• Cloud Architecture: Extensive AWS experience, particularly with serverless, containerization, and managed services
• Infrastructure as Code: Hands-on experience with Terraform, CloudFormation, and automated infrastructure management
• Data Systems: Experience with high-throughput data processing, real-time analytics, and time-series databases

DevOps & Reliability Engineering

• Proven track record building and maintaining CI/CD pipelines in production environments
• Deep understanding of monitoring, logging, and observability tools and practices
• Experience with container orchestration (Docker, Kubernetes) and microservices architectures
• Knowledge of security best practices for cloud-native applications

Scale & Performance Focus

• Experience building systems that handle millions of requests/events per day
• Understanding of distributed systems principles, caching strategies, and performance optimization
• Background in IoT platforms, real-time data processing, or high-scale consumer applications (bonus!)
• Experience with database design and optimization for both relational and NoSQL systems

Leadership & Collaboration

• Strong mentoring abilities and passion for elevating team technical standards
• Excellent communication skills for working with both technical and non-technical stakeholders
• Experience working in fast-paced startup environments where you can drive significant technical decisions
• Track record of improving engineering processes and development practices

Join Reelables and help us transform how the world tracks packages! We're not just another startup - we're pioneering paper-thin smart shipping labels that use Bluetooth and 5G to track millions of packages globally. Imagine building products that touch every corner of the supply chain, from a small business shipping their first product to massive cargo containers crossing oceans. This isn't your typical product role. You'll be architecting customer experiences that directly impact billion-dollar supply chains, designing intuitive dashboards that make sense of complex IoT data streams, and building features that logistics managers around the world will rely on daily. Every line of code you write will help businesses track their most valuable assets in real-time. Who we are