Senior Software Engineer — Global Payments, Serverless & Scale

United States Digital Space LLC; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

L&D allowance

Hybrid work structure

25 days holiday + public holidays

Employee options pool

Job summary

United States Digital Space LLC is hiring a Senior Software Engineer to architect, implement and deploy end-to-end software services on a modern AWS serverless stack. You will help guide architectural decisions, deliver scalable APIs, and own critical components end-to-end.

You will mentor junior engineers, participate in design reviews, and drive performance improvements while embracing a flexible, cloud-first development approach.

Qualifications

• 5+ years of software engineering experience building end-to-end services and features.
• Ability to own design and architecture of large-scale API-heavy systems without hand-holding.
• Strong promotion of engineering best practices, mentoring juniors and improving processes.
• Open to engineers from any programming background.

Responsibilities

• Architect, implement and deploy software services end-to-end with a focus on scalability and reliability.
• Develop and maintain services using a modern stack and serverless cloud infrastructure.
• Mentor junior engineers and help scale the team through technical interviews and guidance.

Skills

Python

TypeScript

JavaScript

Tools

AWS serverless

Lambda

Step Functions

Aurora PostgreSQL

DynamoDB

MemoryDB

Timestream

Job description

United States Digital Space LLC is hiring a Senior Software Engineer to architect, implement and deploy end-to-end software services on a modern AWS serverless stack. You will help guide architectural decisions, deliver scalable APIs, and own critical components end-to-end.

You will mentor junior engineers, participate in design reviews, and drive performance improvements while embracing a flexible, cloud-first development approach.