Senior Backend Developer

Trustonic

Senior Backend Engineer responsible for designing and delivering backend services for device lifecycle management. Working with AWS technologies to impact real-world systems and customers.

Posted 5/15/2026full-timeRemote • Winnersh • 🇬🇧 United KingdomSeniorWebsite

Tech Stack

Tools & technologies

AirflowAWSCloudDistributed SystemsDockerDynamoDBFlaskIoTPostgresPySparkPythonSDLCTerraform

About the role

Key responsibilities & impact

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, SQS, SNS, and Step Functions to support high-scale device operations.
Own Backend Quality & Performance
Write clean, testable code and continuously improve system reliability, observability, and performance in production environments.
Shape System Architecture
Contribute to architecture decisions, design reviews, and technical strategy across multiple backend services.
Drive Engineering Best Practices
Promote strong SDLC practices including CI/CD, automated testing, monitoring, and structured logging.
Collaborate Across Teams
Work closely with product, QA, 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.

Requirements

What you’ll need

Strong 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
Strong 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
Nice to have: Experience with Airflow, PySpark, or data pipelines
Nice to have: Exposure to telecoms, IoT, or device management platforms
Nice to have: Familiarity with multi-tenant SaaS architectures
Nice to have: AWS certifications
A degree in computer science, software engineering, or equivalent experience
AWS certification is highly desirable but not essential

Benefits

Comp & perks

Competitive compensation
Bonus scheme to share in our success.
Immediate participation in our pension scheme.
Private medical insurance for you and your family from day one.
Income protection and life insurance for peace of mind.
Remote/hybrid working arrangements to support your lifestyle.
An open holiday policy with no upper limit—take the time you need, when you need it.
Support for volunteering and causes that matter to you.
Opportunities for professional development and career progression.
Exposure and interaction with global teams.
A commitment to diversity, equity, and inclusion.
A collaborative environment where your voice is valued and your wellbeing is prioritised.
The chance to work on technology that drives global economic inclusion and makes a real difference in people’s lives.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

PythonAWS LambdaAWS API GatewayAWS SQSAWS SNSPostgreSQLDynamoDBDockerTerraformCI/CD

Soft Skills

collaborationproblem-solvingcommunicationtechnical strategyquality assurance

Certifications

AWS certificationdegree in computer sciencedegree in software engineering