Cognizant

python developer for a digital onboarding service

In short

Senior Python developer role building secure, serverless and containerized backend features for a Digital Onboarding Service on a client API Platform, with a NextJS/React frontend. The company is Cognizant, hybrid in London Colney, UK. The role demands strong hands-on experience with Python backend frameworks (FastAPI/Flask), RESTful APIs and microservices, AWS serverless services (Lambda, ECS Fargate, API Gateway, DynamoDB, etc.), containerization with Docker, and API security standards. Salary and specific conditions are not stated.

Описание
The Digital Onboarding Service (DOS) is used across the client API Platform.
Задачи
•Develop secure, maintainable features for the Digital Onboarding Service using Python in a serverless and containerized architecture with a NextJS/React frontend
•Design, develop, and maintain scalable RESTful APIs and microservices
•Build and support cloud-native solutions using AWS services
•Implement technical designs, architectural patterns, and coding standards with engineering teams
•Translate business requirements into technical solutions with product managers, designers, and client stakeholders
•Design and implement integrations with internal client systems and external third-party APIs
•Apply software engineering best practices and design patterns to create maintainable and extensible solutions
•Implement resilient solutions using retry mechanisms, error handling, circuit breakers, dead-letter queues, and asynchronous messaging
•Follow development and release processes and contribute to software quality, automated testing, performance optimization, and system reliability
•Support CI/CD deployment pipelines and collaborate with DevOps teams on application delivery
•Contribute to documentation, knowledge sharing, and continuous improvement
Требования
•Professional software engineering experience
•Strong commercial experience with Python and FastAPI, Flask, or similar backend frameworks
•Extensive experience developing RESTful APIs, microservices, and backend services
•Hands-on experience with AWS services, including ECS Fargate, Lambda, API Gateway, DynamoDB, S3, SNS, SQS, EventBridge, Step Functions, IAM, Secrets Manager, and CloudWatch
•Experience with serverless architecture and deployment patterns
•Experience developing and deploying containerized applications using Docker and AWS ECS/Fargate
•Experience integrating third-party APIs, enterprise platforms, and external services
•Strong understanding of software design patterns, object-oriented programming, clean code, and distributed system design
•Experience implementing API security using OAuth2, JWT, OpenID Connect, API Keys, and secure authentication and authorization
•Experience with relational and NoSQL databases such as PostgreSQL, MySQL, Aurora, or DynamoDB
•Good understanding of software deployment, application monitoring, logging, and environment management
•Understanding of data protection, access control, and secure software development practices
•Experience in Agile/Scrum delivery environments
Будет плюсом
•Infrastructure as Code using Terraform, AWS CDK, or CloudFormation
•Experience in secure or regulated environments such as healthcare, finance, or government
•React/NextJS
•Automated testing frameworks such as Pytest, Unit Testing, Integration Testing, and API Testing
•WebSockets, event-driven architectures, or real-time data patterns
•OAuth2, OpenID Connect, JWT, or AWS Cognito
•OpenAPI/Swagger specifications and API lifecycle management
•CI/CD tools such as GitHub Actions, Azure DevOps, Jenkins, or AWS CodePipeline
Условия
Условий в вакансии нет

Stop applying.
Get referred.

$10 in free credits

In just 60 seconds, fully on autopilot — Eraldt's AI agents read your CV, map the roles you fit, find live vacancies and the people who can refer you, write personal emails, and get you referred.

This isn't an application: your CV doesn't go to the company, and we don't promise a referral for this exact role.

Discover who else lands interviews on autopilot