API Developer

2 weeks ago

Johannesburg, Gauteng, South Africa Bluegrass Digital Full time R250 000 - R500 000 per year

We are looking for an experienced API Developer (Backend) for a 6-month contract to work on high-impact projects. The successful candidate will design, develop, and maintain APIs to support our business-critical applications. This is a hybrid role requiring occasional onsite work at our Johannesburg office.

Key Responsibilities:
  • Develop, test, and maintain APIs using C#, , and .NET within Azure Cloud environment.
  • Deploy and manage applications using Azure App Services, ensuring high availability and performance.
  • Collaborate with frontend developers and business teams to integrate APIs with internal and external systems.
  • Ensure APIs are secure, scalable, and well-documented.
  • Optimize and refactor existing codebases where necessary.
  • Support and troubleshoot production issues related to APIs.
  • Contribute to system design discussions and technical decisions within the team.
  • Follow agile development methodologies and participate in sprint ceremonies.
Requirements
  • Strong backend development experience using C#, .NET (Core and Framework), and
  • Experience using Azure DevOps for CI/CD pipelines, repositories, and release management.
  • Solid understanding of RESTful API principles and microservices architecture.
  • Experience with SQL Server or other relational databases.
  • Familiarity with containerization (Docker) and CI/CD pipelines.
  • Experience working in agile environments.
  • Knowledge of authentication protocols (OAuth2, JWT) and secure coding practices.
  • Strong debugging and problem-solving skills.
  • Excellent communication and teamwork abilities.

  • API Developer

    2 weeks ago

    Johannesburg, Gauteng, South Africa Bluegrass Full time R600 000 - R1 200 000 per year

    We are looking for an experienced API Developer (Backend) for a 6-month contract to work on high-impact projects. The successful candidate will design, develop, and maintain APIs to support our business-critical applications. This is a hybrid role requiring occasional onsite work at our Johannesburg office.Key ResponsibilitiesDevelop, test, and maintain APIs...

  • API Developer

    3 days ago

    Johannesburg, Gauteng, South Africa Bluegrass Digital Full time R600 000 - R900 000 per year

    We are looking for an experienced API Developer (Backend) for a 3 month contract to work on high-impact projects. The successful candidate will design, develop, and maintain APIs to support our business-critical applications. This is a hybrid role requiring occasional onsite work at our Johannesburg office.Key Responsibilities:Develop, test, and maintain...

  • MuleSoft Developer

    1 day ago

    Johannesburg, Gauteng, South Africa Gig Engineer Full time

    Gig Engineeris looking for an experiencedMuleSoft Developerfor its client. The ideal candidate has strong MuleSoft experience, integration expertise, API design capability, and a solid understanding of banking processes and security standards.Role OverviewThe MuleSoft Developer is responsible for designing, developing, testing, and implementing integration...

  • Intermediate Java Developer

    1 week ago

    Johannesburg, Gauteng, South Africa Boardroom Appointments Full time R900 000 - R1 200 000 per year

    Key purpose:We are seeking an experienced Intermediate Java Developer to join our Bank project team. The ideal candidate should have a strong background in API development and integration with open-source APIs. The candidate should also have prior corporate or commercial experience in delivering projects within an Agile environment.Duties and...

  • Developer

    5 days ago

    Johannesburg, Gauteng, South Africa Africonology Solutions Full time R60 000 - R120 000 per year

    Job Advert: Developers (Salesforce FSC & MuleSoft Integration)Location:South AfricaIndustry:Financial Services / Enterprise TechnologyContract/Perm:OpenQualifications:BSc/BTech in IT or related fieldExperience:4-6 YearsWe are looking for skilledDeveloperswith strong experience in Salesforce Financial Services Cloud (FSC) and MuleSoft to support integration,...

  • AbInitio Backend Developer

    2 weeks ago

    Johannesburg, Gauteng, South Africa Paracon Full time R90 000 - R120 000 per year

    We are seeking a skilledAbInitio Backend Developerto join our team. The ideal candidate will have experience buildingExpressIT application templatesforEazyDatausing the newJSON template schemaand integrating withMetadata Hub APIs. You will play a key role in designing, developing, and maintaining backend data workflows while working in a dynamic, agile...

  • Net Developer

    2 weeks ago

    Johannesburg, Gauteng, South Africa Paracon Full time R400 000 - R800 000 per year

    Mid to Senior .NET Developer (Backend Focus)A mid to senior level .NET Developer is required to lead backend development within an engineering team. The role focuses on building scalable, cloud-native backend services and APIs using .NET (C#), with strong emphasis on microservices, Azure Functions/Durable Functions, and distributed systems.Core...

  • MuleSoft Developer

    1 week ago

    Johannesburg, Gauteng, South Africa k0dehut Full time R1 000 000 - R2 500 000 per year

    MuleSoft Developer (Johannesburg)Location: This is a hybrid role, based in Johannesburg, with a requirement to be on-site or in-office 3 times per week.Our Client - A leading design-led digital transformation consultancy and Africa's largest Salesforce partner, and theyre looking for great people to work with.They are seeking a talented and experienced...

  • Mobile Application Developer

    7 days ago

    Johannesburg, Gauteng, South Africa Get Funds Full time R1 000 000 - R1 200 000 per year

    We are looking for a versatile Full Stack Developer withstrong experience in mobile app development.Requirements:Proficiency in , TypeScript, React, React Native, GoExperience developing iOS and Android appsAPI development (REST, GraphQL)Hands-on experience with ChatGPT API and other AI/LLM toolsFamiliarity with AI model training, fine-tuning, and prompt...

  • AWS Backend Developer

    1 week ago

    Johannesburg, Gauteng, South Africa Hire Resolve Full time R900 000 - R1 200 000 per year

    An agile software development and digital marketing agency that builds custom digital solutions for businesses, including Fintech, eCommerce, and Loyalty platforms, along with digital marketing strategies for growth, is seeking an experienced AWS-focused backend developer to join their team for a 6-month contract. In this role, you will be responsible for...