Senior Backend Developer

A bit about the job and what youll deliver

Were looking for a Senior Backend Engineer to play a key role in building and scaling our cloud-native telecoms platform. Youll 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 youll help shape architecture influence technical direction and deliver resilient production-grade services. Youll 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 required at our office in Winnersh from time to time.

What youll 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 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.

What were looking for

Experience & Expertise

• 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

Technical Strength

• 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
• Exposure to telecoms IoT or device management platforms
• Familiarity with multi-tenant SaaS architectures
• AWS certifications

Ways of Working

• Thrive in a fast-paced evolving engineering environment
• Strong problem-solving mindset with attention to detail
• Collaborative pragmatic and delivery-focused
• Comfortable taking ownership and driving work independently
• Curious and continuously looking to improve systems and practices

Qualifications :

• A degree in computer science software engineering or equivalent experience 
• AWS certification is highly desirable but not essential

Additional Information :

What we can provide you in return for your investment...

Competitive compensation

• A base salary that reflects your expertise and impact.
• Bonus scheme to share in our success.

Financial security & wellbeing

• 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.

Flexibility & work-life balance

• Remote/hybrid working arrangements to support your lifestyle.
• An open holiday policy with no upper limittake the time you need when you need it.
• Support for volunteering and causes that matter to you.

Growth & development

• Opportunities for professional development and career progression.
• Exposure and interaction with global teams.

Inclusive supportive culture

• A commitment to diversity equity and inclusion.
• A collaborative environment where your voice is valued and your wellbeing is prioritised.

Impact & purpose

• The chance to work on technology that drives global economic inclusion and makes a real difference in peoples lives.

#LI-Remote

Trustonic is an equal opportunity employer.  We do not discriminate on any grounds. We empower engage enable and value differences between people including; different races ethnicities genders ages religions disabilities and sexual orientations with differences in education backgrounds skill sets experiences and knowledge.

Remote Work :

Yes

Employment Type :

Full-time