Senior Backend Engineer - Data & Cloud

We are seeking a senior Python Engineer to design and implement scalable services that drive core business outcomes. This role is central to delivering robust, portable solutions using Python (Django/FastAPI), gRPC microservices, and cloud-native patterns on AWS. You will collaborate with architecture and information security teams to build interoperable systems for Big Data workflows and reduce technical debt while ensuring performance, accessibility, and compliance. Responsibilities

Design and implement new services and APIs using Python and Django or FastAPI

Develop and maintain gRPC-based microservices for scalable, distributed systems

Build and optimize Big Data workflows and integrate them with application services

Implement and operate services on AWS, leveraging Lambda and managed services where appropriate

Work with DynamoDB and SQL databases (Aurora, MySQL) to model and access data efficiently

Implement caching strategies using Redis or ElastiCache to improve performance

Collaborate with architecture and Information Security teams to meet security and accessibility standards

Triage, debug, and resolve production defects and reduce technical debt in existing codebases

Ensure solutions follow sound design patterns and are optimized with appropriate algorithms and data structures

Integrate disparate systems and services as required for project needs

Must have

Senior-level experience building production services with Python using Django or FastAPI

Proven experience with gRPC-based microservices architecture

Experience working with Big Data workflows and integrating them into application stacks

Proficiency with AWS services, including Lambda, DynamoDB, and other managed services

Working experience with SQL databases such as Aurora and MySQL

Experience with key-value stores (DynamoDB) and caching solutions (Redis or ElastiCache)

Strong understanding of algorithms, data structures, and when to apply design patterns

Experience collaborating with architecture and security teams to meet compliance and accessibility requirements

Demonstrated ability to triage, debug, and reduce technical debt in large codebases

Nice to have

Experience with Java / J2EE technologies

Prior experience in payments, risk management, or compliance domains

Proven history of integrating disparate systems successfully