Trustonic
Computer And Network Security
SeniorBackendDeveloper
Neural analysis suggests this role is
optimal for mid candidates.
“Senior Backend Developer at Trustonic. Skills: Python, AWS serverless, event-driven architectures, distributed systems, PostgreSQL, DynamoDB, Docker, Terraform, CI/CD. Build Scalable Cloud Services. Design and develop Python-based backend services, from early concept through to production, using modern AWS serverless technologies”
Industry & Context.
problem-solving mindset with attention to detail; Solve Complex Problems; Diagnose and resolve issues across distributed systems, including performance bottlenecks and production incidents
attendance required at our office in Winnersh from time to time
What They're Looking For.
Must Have
commercial experience building Python backend systems in production, Proven experience working with AWS serverless technologies (Lambda, API Gateway, SQS, SNS), Solid understanding of event-driven and distributed architectures, Experience with PostgreSQL (schema design, optimisation) and/or DynamoDB, Hands-on experience with Docker, Terraform, and CI/CD pipelines, Python skills (modern features such as async, typing, and testing practices), Experience building APIs using frameworks like FastAPI or Flask, Understanding of observability, logging, and monitoring in cloud environments, Comfortable debugging complex, distributed systems, A degree in computer science, software engineering, or equivalent experience
Nice to Have
Experience with Airflow, PySpark, or data pipelines, Exposure to telecoms, IoT, or device management platforms, Familiarity with multi-tenant SaaS architectures, AWS certification is highly desirable but not essential, AWS certifications
What You'll Do.
Build Scalable Cloud Services
Design and develop Python-based backend services
from early concept through to production
using modern AWS serverless technologies
Deliver Event-Driven Architectures
Create and evolve event-driven systems using AWS Lambda
and Step Functions to support high-scale device operations
Own Backend Quality & Performance
testable code and continuously improve system reliability
and performance in production environments
Shape System Architecture
Contribute to architecture decisions
and technical strategy across multiple backend services
Drive Engineering Best Practices
Promote SDLC practices including CI/CD
and structured logging
Collaborate Across Teams
Work closely with product
and other engineers to deliver high-quality features and improve overall platform resilience
Solve Complex Problems
Diagnose and resolve issues across distributed systems
including performance bottlenecks and production incidents
Support Critical Systems
Participate in incident response and continuous improvement of business-critical AWS workloads
How You'll Work.
Team & Collaboration
Collaborate Across Teams; Work closely with product, QA, and other engineers to deliver high-quality features and improve overall platform resilience; A collaborative environment where your voice is valued and your wellbeing is prioritised
Process & Methodology
Comfortable taking ownership and driving work independently
Full Job Description
Who we are... At Trustonic, we make smartphones affordable for the many, enabling global access to devices and digital finance through the world’s most secure smartphone locking technology. We partner with mobile carriers, retailers, and financiers across 30+ countries, powering device financing solutions that drive economic inclusion, profitability, and growth. We pride ourselves on living by the Trustonic culture code, a blueprint for our journey that recognises that great working environments don’t guarantee success, but bad ones almost always ensure failure. Working here, you’ll find a company that celebrates its diversity and is looking to do the right thing: for each other, the community and the planet. We believe in equal opportunities and take to heart the old African proverb ’If you only want to go fast, go alone. If you want to go far, go together’. We work flexibly when and where we’re at our best, but regardless of how you choose to work, we’ll make sure you feel like one of the team. Click [here ](https://www.trustonic.com/wp-content/uploads/2022/03/Trustonic-culture-code-Oct-2021.pdf)if you would like to find out more about Trustonic's culture code. If you would like to work in a fast-moving global technology company, with great ambition, then we’d love to hear from you! A bit about the job and what you’ll deliver… We’re looking for a Senior Backend Engineer to play a key role in building and scaling our cloud-native telecoms platform. You’ll design and deliver the backend services that power device lifecycle management at scale, working on highly distributed, event-driven systems in AWS. This is a high-impact engineering role where you’ll help shape architecture, influence technical direction, and deliver resilient, production-grade services. You’ll work at the intersection of performance, scalability, and reliability, solving complex problems that directly impact real-world systems and customers. Please note, this is a remote role with attendance req
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