Senior Backend Cloud Engineer — Aws Serverless
Há 6 dias
Senior Backend Cloud Engineer — AWS Serverless (Remote) About EverUpWe're a UK startup making gift-card shopping rewarding.Our mobile app (React Native) and web experiences run on a serverless AWS backend.We're hiring a Backend Cloud Engineer to evolve and maintain the APIs, databases, and services that power payments, wallet, rewards, and near-real-time features.The roleYou'll work across our event-driven, serverless stack to maintain and evolve production systems.That means adding features, fixing bugs, improving performance and cost, tightening security, and raising reliability—while collaborating closely with Mobile/Web.What you'll doMaintain and evolve AWS Lambda microservices behind Amazon API Gateway (HTTP/REST & WebSocket) and AWS IoT Core ; implement authentication/authorization via Cognito User Pools (JWT) and Lambda authorizers for REST/HTTP.Maintain and optimize data models and access patterns in DynamoDB and MySQL (RDS); handle indexes, migrations, and query performance.Maintain asynchronous workflows using SQS/SNS (idempotency, DLQs, retries) and keep observability healthy with CloudWatch metrics/logs and alarms.Maintain and improve our IaC (AWS SAM/CloudFormation), CI/CD pipelines, and environment promotions.Integrate and support third-party services used for payments, open banking, notifications, fraud/risk, analytics and support tooling.Troubleshoot production issues, drive RCAs, and implement preventive fixes and runbooks.Uphold security best practices (least-privilege IAM, secret management, input validation, auditability).Tech you'll touchAWS Lambda, API Gateway (REST/WebSocket), Cognito, DynamoDB, RDS MySQL, SQS/SNS, S3, IAM, CloudWatch, CloudFormation/SAM, EC2, ECS, plus fintech/comms integrations (Open Banking/PSP, Gift Cards, Analytics, Messaging, Support, and Risk assessment tools).Must-haves8+ years building/maintaining production backends; 4+ years with AWS serverless (Lambda, API Gateway, DynamoDB).Proficiency in JavaScript/Node.js; strong REST API fundamentals and event-driven patterns.Solid SQL/NoSQL skills (schema design, indexing, query tuning).Experience maintaining IaC (SAM/CloudFormation) and CI/CD (Code Pipeline).Security-first mindset and practical debugging/troubleshooting chops (OWASP).WebSocket/API Gateway connection management and real-time features.Payments/fintech and fraud/risk integrations.Observability practices (dashboards, tracing, log correlation) and SLOs.Elastic Beanstalk familiarity and data pipelines/warehousing exposure.How we workRemote-first within UK time zone, startup-paced, with high ownership.We value clean code, small safe changes, and excellent operability.Hiring processIntro callTechnical deep-dive (systems design discussions focused on maintainability and evolution)Practical walkthrough (IaC/API/data-modeling maintenance scenario)Founder/lead chat & referencesEqual opportunityWe're an equal-opportunity employer and welcome every background and perspective.How to applySend your CV, GitHub/portfolio, and a brief note describing a production backend you maintained/evolved and the reliability or cost improvements you delivered.Add your current compensation, time zone and location.
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