Ph3Company Description /h3 pPhotocert is a media forensics company building advanced AI solutions that detect and localize tampering in digital images and PDFs. Our technology helps insurance companies and enterprise clients verify the authenticity of submitted content at scale. /p h3Role Description /h3 pWe are looking for a Senior Cloud Backend Developer to join our cloud engineering team. You will design and build scalable serverless services in a production AWS environment, working closely with our senior international team on a platform that processes large volumes of media in real time. /p h3Key Responsibilities /h3 ul liDesign and build serverless backend services using AWS Lambda, API Gateway, SQS, and DynamoDB /li liImplement secure authentication and authorisation flows with AWS Cognito and OAuth2/OIDC /li liBuild and maintain asynchronous processing pipelines for document and image workloads /li liContribute to API design and backend architecture decisions /li liIntegrate AI/LLM tooling to improve code quality and development workflows /li liParticipate in code reviews and help maintain a high engineering standard /li /ul h3Qualifications /h3 ul liFluent in English / Polish /li li5+ years of backend development, with at least 3 years in AWS serverless environments /li liStrong Node.js / TypeScript / Python /li liDynamoDB data modelling (GSI/LSI, access patterns) /li liPython for scripting and data processing /li liSecurity best practices: JWT, IAM, secrets management /li liWorking knowledge of DevOps practices — CI/CD pipelines, containerisation, and infrastructure as code /li /ul /p #J-18808-Ljbffr