Job Description

Job title: Senior Back-End EngineerLocations: Remote (South Africa)
A new vacancy is available for a Senior Back-End Engineer with 5 years of experience in backend development using any modern language (Elixir, Go, Python, etc.).Youll also guide and mentor junior team members through pairing, code reviews, and knowledge sharing. It's a wonderful way to make a difference in their journey!This could be your opportunity if you are passionate about embedded systems, distributed architectures, and providing engineering teams with robust, scalable back-end services.Imagine working at a company where you get the best of both worlds: the fast-paced execution of a startup combined with the guidance of leaders who have successfully built scalable solutions.You'll collaborate with some of the brightest minds in technology to develop cutting-edge software and hardware solutions and tackle challenges that will stretch your skills and broaden your thinking.Our client crafts intuitive and powerful user interfaces that enable seamless interaction with cutting-edge technologies in IoT, data analytics, and beyond. The company's mission is powered by robust and scalable back-end architectures that enable real-time analytics, machine learning, and advanced AI solutions.The Back-End Engineering Team plays a crucial role in this vision, ensuring that their services and applications operate seamlessly, securely, and efficiently across diverse workloads and environments.As a Back-End Engineer, you will be essential in designing, building, and optimising the server-side components and microservices that form the backbone of the company's platform. This hands-on role provides the opportunity to leverage modern frameworks, APIs, and data-processing pipelines to drive performance and reliability at scale. Whether developing high-throughput APIs, streamlining database operations, or integrating with embedded systems, your contributions will help the team deliver innovative solutions for complex and unique customer deployments.Requirements

• Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
• 5+ Years of Experience: Proven experience in backend development with any modern language (Elixir, Go, Python, etc.).
• Database Expertise: Hands-on experience with PostgreSQL or MySQL or similar.
• Architectural Knowledge: Practical experience with microservices and monolithic architectures; ability to weigh trade-offs between them.
• Backend Fundamentals: Strong proficiency with RESTful APIs or GraphQL, data modeling, and designing robust application logic.
• Security Awareness: Familiarity with common security vulnerabilities (e.g., OWASP Top Ten) and how to mitigate them.
• CI/CD & DevOps: Experience with containerisation (Docker), orchestration (Kubernetes), and modern CI/CD pipelines.
• Cloud Services: Deploying and managing applications on cloud platforms (AWS, GCP, Azure).
• Testing & Monitoring: Understanding of automated testing frameworks and monitoring tools.
• Team Player: Excellent communication and collaboration skills; experience working in an Agile/Scrum environment.

Key Responsibilities

• Design & Develop: Architect, implement, and maintain scalable backend services.
• Collaborate & Communicate: Work closely with cross-functional teams (frontend, product, design) to refine requirements and deliver high-quality solutions.
• Optimise Performance: Identify bottlenecks, debug performance issues, and implement optimisations to ensure high availability and responsiveness.
• Code Quality & Reviews: Champion clean, maintainable code; conduct and participate in code reviews; ensure best practices are followed.
• Security: Integrate secure coding practices and maintain compliance with relevant data protection and privacy standards.
• Testing & Documentation: Write comprehensive tests; create and maintain technical documentation for new features and systems.
• Mentorship: Guide junior team members through pairing, code reviews, and knowledge sharing.
• Continuous Improvement: Evaluate emerging technologies, tools, and approaches; advise on improvements to processes and tech stack.

Bonus Points & Other Considerations

• Experience with data-driven and AI-focused architectures.
• ORM Proficiency: Experience with frameworks like Entity Framework, Phoenix Ecto, Ruby on Rails ActiveRecord, or similar.
• Elixir Experience: Background in Elixir, Phoenix Framework, and OTP concepts.
• Distributed Systems: Experience building or maintaining highly available, fault-tolerant systems.
• Performance Tuning: Track record of optimising high-traffic applications for speed and scalability.

Note:

• Although we endeavour to provide feedback to all applicants, should you not hear from us within 14 days of applying, please accept your application as unsuccessful.
• Successful applicants will be contacted within 14 days of applying.
• Lets Recruit reserves the right to cancel or amend an advertised vacancy at any time.

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