Back-End Developer at Sabenza IT & Recruitment

We’re looking for an experienced Back-End Developer who can take ownership of complex cloud-based applications and help build the technology powering the next generation of intelligent energy solutions.

The product ecosystem includes

• Connecting smart wallboxes and enabling app-based customer support

• V2H (Vehicle-to-Home) bidirectional charging

• V2G (Vehicle-to-Grid) and PowerPool use cases

• Integration with energy partners

• Backend charging plans for direct vehicle control

• Open APIs connecting vehicles with wider energy ecosystems

In short: software, cloud, energy and mobility all working together.

What You’ll Be Doing

• Develop and operate production-ready business applications in a 24/7 environment

• Build scalable, reliable back-end solutions using Node.js and AWS

• Work closely with customers, internal teams and external technology partners

• Monitor and operate applications using AWS CloudWatch

• Apply cloud-security patterns and best practices to solutions and deployments

• Translate business and technical requirements into robust system solutions

• Identify risks and impediments early and proactively resolve or escalate them

• Maintain high standards for code quality and automated testing

• Create clear technical and system documentation in line with relevant standards

• Share knowledge across teams

• Mentor and coach less experienced developers

• Contribute to Agile ceremonies, planning and continuous improvement

• Take ownership of additional responsibilities within the Agile Working Model

RequirementsEssential Skills

• 10+ years' production experience with Node.js, particularly in serverless environments

• 5+ years' experience with automated testing, including unit and end-to-end testing

• 5+ years' hands-on AWS serverless experience

• Strong experience with:

• AWS Lambda

• API Gateway

• DynamoDB

• SQS / SNS

• Kinesis

• S3

• CloudWatch

• Experience leading IT teams

• Strong knowledge of both SQL and NoSQL databases

• Infrastructure as Code experience, ideally CloudFormation

• Experience with Terraform

• Strong CI/CD experience, preferably GitHub Actions

• Experience with Kubernetes and Serverless architectures

• Understanding of virtual networks and connectivity to on-premise environments

• Experience designing, configuring and operating CI/CD pipelines

• Automated deployment and configuration of applications and infrastructure

• Monitoring, logging and log analytics

• Strong understanding of software design and architecture patterns

• Experience working in Agile / Scrum environments

• Ability to work autonomously while knowing when to involve senior stakeholders

Advantageous Skills

You’ll stand out even further if you have experience with

• Linear and nonlinear optimisation

• Efficient algorithm design and evaluation

• Complexity theory

• Performance testing and tuning

• E-mobility

• Java

Qualifications & Experience

• Relevant IT Degree or equivalent practical experience

• AWS Cloud Certification:

• Developer Associate – minimum

• Professional certification – advantageous

Benefits • Cutting edge global IT system landscape and processes

• Flexible working of 1960 hours in a 12-month period

• High Work-Life balance

• Remote / On-site work location flexibility

• Highly motivating, energetic, and fast-paced working environment

• Modern, state-of-the-art offices

• Dynamic Global Team collaboration

• Application of the Agile Working Model Methodology

Desired Skills

• Node.js
• sql
• aws serverless
• aws lambda
• dynamoDB

Desired Qualification Level

• Degree

About The Employer