Back-End Developer (Advanced) 1848

Opensource; Gauteng; On-site; ZAR 850,000 - 1,200,000; Full time

Benefits offered by this job

Hybrid working

Job summary

Opensource in Gauteng is seeking a senior backend engineer with deep Node.js, AWS serverless, cloud architecture and DevOps expertise to join a global technology team.

You will design, build and operate production-grade backends, implement IaC, CI/CD with GitHub Actions, and collaborate across vendors and internal teams to deliver secure, scalable solutions.

Qualifications

• 10+ years' production experience with Node.js in serverless environments.
• 5+ years' automated testing experience (unit and end-to-end).
• 5+ years' hands-on AWS serverless experience (Lambda, API Gateway, DynamoDB, SQS/SNS).
• Proven experience leading IT/development teams.
• Strong hands-on AWS cloud technologies.
• Experience with Kubernetes and serverless compute environments.
• Infrastructure as Code using CloudFormation and/or Terraform.
• CI/CD pipelines experience (GitHub Actions).
• Experience with SQL and NoSQL databases.
• Networking across cloud and on-premises environments.
• Automated deployments and configuration management.
• Monitoring, logging and analytics in cloud environments.
• Knowledge of software design and architecture patterns.
• Experience in Agile/Scrum environments.
• Advantageous: optimisation/complexity theory, e-mobility/energy tech, Java development.

Responsibilities

• Design, develop and operate production-ready backend applications for 24/7 support.
• Build scalable backend solutions using Node.js and AWS serverless technologies.
• Design and maintain solutions with AWS services (Lambda, API Gateway, DynamoDB, SQS/SNS, Kinesis, S3, CloudWatch).
• Develop IaC using CloudFormation and/or Terraform.
• Design, configure and operate CI/CD pipelines, preferably GitHub Actions.
• Automate deployment and configuration of applications and infrastructure.
• Monitor applications and infrastructure using AWS CloudWatch and analytics tools.
• Apply cloud security best practices across solutions and deployments.
• Work with SQL and NoSQL databases.
• Apply software design and architecture patterns.
• Develop systems with quality, security and delivery standards.
• Build automated testing (unit and end-to-end).
• Identify risks and resolve impediments.
• Produce and maintain system documentation.
• Collaborate with customers, internal teams and vendors.
• Lead technical discussions and mentor peers.
• Participate in Agile/Scrum environments.

Skills

Node.js

AWS serverless

Automated testing

CI/CD pipelines

CloudFormation

Terraform

Kubernetes

SQL

NoSQL

DevOps

Agile/Scrum

Mentoring

Security best practices

Cloud security

Leadership

E-mobility knowledge

Java development

Education

IT/Computer Science degree

Cloud certifications

AWS Certified Developer – Associate

AWS Professional-level certification

Tools

AWS Lambda

API Gateway

DynamoDB

SQS/SNS

Kinesis

S3

CloudWatch

GitHub Actions

Terraform

CloudFormation

Job description

Key Responsibilities

• Design, develop and operate production-ready backend applications, including systems requiring 24/7 support.
• Build highly scalable backend solutions using Node.js and AWS serverless technologies.
• Design and maintain solutions using AWS services including:
• Lambda
• API Gateway
• DynamoDB
• SQS/SNS
• Kinesis
• S3
• CloudWatch
• Develop and maintain Infrastructure as Code (IaC) using CloudFormation and/or Terraform.
• Design, configure and operate CI/CD pipelines, preferably using GitHub Actions.
• Implement automated deployment and configuration of applications, components and infrastructure.
• Monitor applications and infrastructure using AWS CloudWatch, logging and analytics tools.
• Apply cloud security principles, patterns and best practices across solutions and deployments.
• Work with both SQL and NoSQL databases.
• Apply appropriate software design and architecture patterns.
• Develop systems in accordance with quality, security and delivery standards.
• Build and maintain comprehensive automated testing, including unit and end-to-end testing.
• Identify technical risks and impediments and proactively resolve or escape them.
• Produce and maintain system and technical documentation in accordance with required standards.
• Collaborate with customers, internal teams and external vendors.
• Lead technical discussions and provide guidance to other developers.
• Mentor, coach and proactively share knowledge across technical teams.
• Participate fully within an Agile/Scrum working environment.

Essential Skills & Experience

To be considered for this advanced-level position, you should have:

• 10+ years' production experience with Node.js, specifically within serverless environments.
• 5+ years' experience with automated testing, including unit and end-to-end testing.
• 5+ years' hands-on AWS serverless experience, particularly:
• AWS Lambda
• API Gateway
• DynamoDB
• SQS/SNS
• Proven experience leading or providing technical leadership to IT/development teams.
• Strong hands-on experience with AWS cloud technologies.
• Experience with Kubernetes and serverless compute environments.
• Strong Infrastructure as Code experience using CloudFormation and/or Terraform.
• Experience designing and operating CI/CD pipelines, preferably GitHub Actions.
• Strong experience with both SQL and NoSQL databases.
• Experience with virtual networking, including connectivity between cloud and on-premises environments.
• Experience with automated deployments and configuration management.
• Strong knowledge of monitoring, logging and analytics within cloud environments.
• Solid understanding of software design and architecture patterns.
• Experience working within Agile or Scrum environments.

Advantageous Skills

The following would be beneficial:

• Experience with linear and nonlinear optimisation.
• Knowledge of algorithm design, efficiency and complexity theory.
• Performance testing and application/system tuning.
• Experience within e-mobility, energy or electric vehicle technology environments.
• Java development experience.

Qualifications

• Relevant IT/Computer Science degree or equivalent practical experience.
• Relevant cloud certifications.
• AWS Certified Developer – Associate or equivalent certification is preferred as a minimum.
• AWS Professional-level certification would be highly advantageous.

The Opportunity

This role offers the opportunity to work within a sophisticated global technology landscape where you will be exposed to:

• Cutting-edge cloud and software engineering technologies.
• Large-scale international systems and projects.
• Innovative energy and e-mobility solutions.
• A modern Agile working environment.
• Strong work-life balance and flexible working practices.
• Hybrid working with only 2 office days per week in Menlyn, Pretoria.
• Modern, state-of-the-art office facilities.
• Collaboration with highly skilled global technical teams.
• Long-term stability through a 3-year renewable contract.

If you are a senior backend engineer with deep Node.js, AWS serverless, cloud architecture and DevOps expertise and are looking for a technically challenging long-term opportunity, we would love to hear from you.