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Urgent! Senior Back-End Software Developer - JHB - Local Job Opening in Johannesburg

Senior Back End Software Developer JHB



Job description

ENVIRONMENT

Our client, an AgriTech start-up with offices in Johannesburg, is seeking a Senior Back-End Developer to help build a robust and scalable SaaS platform for the agricultural sector.

They are looking for a pragmatic, solution-oriented developer who thrives on creating tangible value through software.

The role focuses on designing, implementing, and maintaining core business logic, APIs, and data storage systems, while developing high-quality, scalable code and collaborating with cross-functional teams.

Strong experience in Ruby on Rails, technical leadership, architecture, and managing large codebases is highly valued, alongside a passion for problem-solving and building impactful software solutions.

DUTIES

  • Design, develop, and maintain the core Ruby on Rails API and application logic.

  • Design and implement GraphQL APIs to efficiently serve internal and external front-end clients and services.

  • Manage the full application lifecycle, including deployment and maintenance on cloud infrastructure such as AWS and Heroku for APIs and background workers.

  • Maintain and improve data storage strategies, researching sharding and other concepts, as well as different database/storage types (e.g., PostgreSQL, MongoDB, Snowflake).

  • Write maintainable, production-ready code while adhering to software development best practices, including thorough testing and security.

  • Conduct deep-dive R&D and architect scalable solutions to complex data and business logic problems.

  • Support the continuous improvement of development practices and the technology stack.

  • Collaborate with front-end developers to ensure smooth API integration and optimal performance.

  • Say your say! They drive a culture of knowledge sharing in workshops/etc.

    and are always open to questions and feedback on topics like implementation details and product direction.

REQUIREMENTS

  • Education: Preferably a degree in Computer Science, Mathematics, Engineering, or Information Systems.

  • Knowledge, Skills & Experience They require that you have a passion for working in/learning the below, and proficiency is beneficial.

  • Required Proficiency/Passion: Strong proficiency in Ruby on Rails for API and application development.

  • Relational databases: Expertise with relational databases (e.g., PostgreSQL) and writing complex SQL.

  • GraphQL: Experience designing and building GraphQL APIs.
  • Cloud infrastructure: Familiarity with cloud infrastructure for deployment and maintenance (They run predominantly on AWS and Heroku).

  • Version control & CI/CD: Experience with Git/GitHub for source control and CI/CD.

  • Agile: Experience with Agile development methodologies.

BENEFICIAL EXPERIENCE

  • Experience with distributed data processing via ETL/similar processes.

  • Familiarity with other databases/storage types (e.g., MongoDB, Snowflake).

  • Experience using Docker for local development.

  • Contributions to open-source projects or participation in relevant back-end communities.

ATTRIBUTES

  • Strong problem-solving and debugging skills
  • Excellent teamwork, collaboration, written, and verbal communication skills.

  • Ability to handle multiple projects and prioritize tasks effectively.

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Required Skill Profession

Software Development



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