Back End Engineer

ROLE: BACK END ENGINEER

TYPE: PERM

LOCATION: LONDON

START: ASAP

SALARY: DEPENDANT ON SKILL-SET

What we use?

• Use AWS Services like S3, AppSync, DynamoDB, Lambda, SQS, SNS, CloudFormation and many more to continue building out the serverless GraphQL API
• Write backend code using NodeJS and Lambda to extend the capabilities of the platform and integrate with 3rd party services
• Implement modern backend concepts like a GraphQL API
• Work on a broad array of caching strategies at various levels like Object, Database and Web caching using technology like DAX, Cloudfront and S3 cache
• Develop solid practices around CI/CD using enterprise tools
• Participate in pair programming sessions and execute thorough code reviews

Key things you will lead?

• Be autonomous in the decision making and communicate your decisions with other project leads and partners
• Take ownership of the back end and infrastructure, uphold the standards existing standard, whilst introducing new standards as the stack grows
• Play a major role in building your team and mentor the team as it grows
• Coordinate with the rest of the team working on different layers of the infrastructure

The Responsibilities

• Developing new API features using AppSync, Velocity Template Language, (VTL) Node and Lambda
• Creating new infrastructure in AWS to support with the backend development using Cloudformation, Serverless Application Model (SAM), Amplify and other IaaS platforms
• Transforming the API from a 'single client' API into a centralised 'multi-platform' API that will serve all products within the business
• Working with the engineering lead to take ownership of the back end architecture
• Creating architecture diagrams that are globally understandable to the wider team
• Implementing and maintaining a rapid and scalable caching layer
• Recommending and architecting new technologies to extend the functionality of the platform
• Interfacing with other business units to digest requirements and produce tangible chunks of development work

The Essential Skills

• NodeJS
• GraphQL (AppSync)
• AWS (Serverless) - AppSync, Lambda, DynamoDB, S3 (Lifecycle policies, access control list, bucket policies), CloudFormation, IAM Roles and Policies, DynamoDB Accelerator (DAX), CloudFront
• AWS (Server) - EC2, Load Balancing
• CI/CD
• ElasticSearch
• Testing
• Git (GitHub)
• Authentication and authorization flows

Bonus Skills

• React
• AWS Amplify
• Leading backend teams
• Well rounded knowledge the wider technical landscape