AWS Backend Engineer

Luxoft; United Kingdom; Remote; GBP 60,000 - 80,000; Full time

Job summary

A leading technology firm in the UK is seeking an experienced Backend Engineer to join its engineering team. The role involves designing and maintaining scalable backend systems using Java and Python frameworks, focusing on AWS cloud infrastructure. Ideal candidates will have 5+ years of backend experience, strong knowledge of REST and SOAP APIs, and expertise in tools like Terraform and Docker. Competitive compensation package offered.

Qualifications

• 5+ years of professional experience in backend development.
• Strong proficiency in Java/Python with hands-on experience using Spring Boot/FastAPI or Django.
• Experience designing and implementing REST and SOAP APIs.
• Solid understanding of AWS services including Cognito, Lambda, EC2, S3, CloudWatch.
• Experience with Infrastructure as Code using Terraform.
• Strong knowledge of NoSQL and SQL databases.

Responsibilities

• Design, develop, and maintain backend services using Java and Python frameworks.
• Build and maintain RESTful and SOAP APIs.
• Design and optimize data models and queries.
• Collaborate with cross-functional teams to deliver high-performance systems.
• Monitor, troubleshoot, and enhance system performance.

Skills

Java

Python

AWS

Terraform

REST APIs

SOAP APIs

DynamoDB

PostgreSQL

MongoDB

Docker

Job description

Project description

We’re looking for a Backend Engineer with strong AWS experience to join our growing engineering team. You will be responsible for designing, developing, and maintaining scalable backend systems that power our products and services. The ideal candidate is a hands-on engineer with expertise in Java (Spring Boot) and Python frameworks (such as FastAPI, Flask, or Django), a solid understanding of API design, and strong knowledge of AWS cloud infrastructure and Terraform for Infrastructure as Code (IaC).

Responsibilities

• Design, develop, and maintain backend services using Java (Spring Boot) and Python frameworks (FastAPI, Flask, or Django).
• Build and maintain RESTful and SOAP APIs following best practices in design, performance, and security.
• Design and optimize data models and queries for DynamoDB, PostgreSQL, and MongoDB.
• Experience with AWS components such as Cognito, Lambda, API Gateway, EC2, S3, and CloudWatch.
• Familiarity with Infrastructure as Code using Terraform for deploying and maintaining AWS resources.
• Collaborate closely with cross-functional teams (Frontend, DevOps, Product) to deliver robust, high-performance backend systems.
• Ensure code quality, scalability, and maintainability through proper testing, documentation, and clean architecture principles.
• Participate in design discussions, code reviews, and continuous improvement initiatives.
• Monitor, troubleshoot, and enhance system performance and reliability.

Must have

• 5+ years of professional experience in backend development.
• Strong proficiency in Java/Python with hands-on experience using Spring Boot/ FastAPI, or Django.
• Experience designing and implementing REST and SOAP APIs.
• Solid understanding and practical experience with AWS services, including Cognito, Lambda, API Gateway, EC2, S3, CloudWatch, SNS/SQS, etc.
• Experience with Infrastructure as Code using Terraform.
• Strong database knowledge: NoSQL (DynamoDB, MongoDB); SQL (PostgreSQL/Aurora).
• Experience with CI/CD pipelines, Docker, and containerized environments.
• Familiarity with microservices architecture and event-driven systems.

Nice to have

• Familiarity with telecommunications standards and Remote SIM Provisioning concepts.