Senior Ruby On Rails Developer
4 weeks ago
ENVIRONMENT Our client – a fast-moving, high-growth online loan underwriting company – is on the hunt for a Senior Ruby on Rails Developer who's not just great with code but also knows how to lead the way If you're someone who thrives on building sleek, scalable web apps front to back, loves clean code, and has a thing for mentoring fellow devs while setting high standards – keep reading. They've got exciting projects, a passionate team, and a tech stack that's ready for your magic touch. Ideally, you've got 8+ years of Ruby on Rails wizardry under your belt, including at least 2 years leading the charge. A degree in Computer Science is awesome, but if your experience speaks volumes, that's what really counts. If you're ready to roll up your sleeves and make big things happen — this one's calling your name. DUTIES Full-Stack Development Design, develop, and maintain high-performance Ruby on Rails applications, handling both backend and frontend components. Build and optimize RESTful APIs, database schemas, and user interfaces to ensure seamless functionality and user experience. Implement responsive, accessible frontend designs using HTML, CSS, JavaScript, and frameworks like React, Vue.js, or similar. Code Quality and Best Practices Write clean, efficient, and well-documented code following Ruby on Rails conventions and industry best practices. Conduct code reviews to ensure consistency, performance, and adherence to coding standards. Refactor legacy code to improve maintainability, scalability, and performance. Test-Driven Development (TDD) Develop and maintain comprehensive test suites using tools like RSpec, Minitest, or Capybara to ensure robust code quality. Implement best-practice test cases, including unit, integration, and end-to-end tests, to minimize bugs and regressions. Advocate for and enforce a culture of TDD within the development team. Leadership and Management Lead and mentor a team of developers, providing technical guidance and fostering a collaborative, high-performing environment. Manage project timelines, delegate tasks, and ensure on-time delivery of features and releases. Collaborate with product managers, designers, and stakeholders to translate requirements into technical specifications. System Optimization and Scalability Optimize application performance through efficient database queries, caching strategies, and server-side improvements. Ensure applications are secure, scalable, and maintainable, adhering to best practices for cloud-based deployments. Troubleshoot and resolve complex technical issues in production environments. Collaboration and Communication Work closely with cross-functional teams to align development efforts with business objectives. Communicate technical concepts clearly to non-technical stakeholders, providing updates on progress and risks. Contribute to Agile / Scrum processes, including sprint planning, stand-ups, and retrospectives. REQUIREMENTS Education Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience). Experience 8+ years of professional experience developing Ruby on Rails applications, with at least 2 years in a senior or lead role. Proven full-stack development experience, including frontend frameworks (e.g., React, Vue.js, or Angular) and backend systems. 2+ years of technical leadership or management experience, including mentoring developers and managing projects. Technical Proficiency Expert-level knowledge of Ruby on Rails, including MVC architecture, Active Record, and Rails 6 / 7 features. Strong experience with relational databases (e.g., PostgreSQL, MySQL) and query optimization. Proficiency in frontend technologies: HTML5, CSS3, JavaScript, and modern frameworks. Familiarity with testing frameworks (e.g., RSpec, Minitest, Capybara) and best practices for TDD / BDD. Experience with version control (Git), CI / CD pipelines, and cloud platforms (e.g., AWS, Heroku, or Azure). Code Quality Demonstrated ability to write clean, modular, and efficient code with a focus on maintainability. Deep understanding of design patterns, SOLID principles, and RESTful architecture. Familiarity with code testing applications such as Circle CI and Code Climate. Bug identification via Airbrake Soft Skills Strong leadership and mentoring abilities, with a track record of building cohesive teams. Excellent problem-solving skills and attention to detail. Effective communication skills, with the ability to articulate technical concepts to diverse audiences. Preferred Qualifications BSc Computer Science Familiarity with DevOps tools (e.g., Docker, Kubernetes, Ansible) and infrastructure as code. Contributions to open-source Ruby / Rails projects or a strong GitHub portfolio. Agile / Scrum certification (e.g., Certified Scrum Developer) or experience leading Agile teams. ATTRIBUTES Technical leadership Clean code advocacy Test-driven development Full-stack expertise Agile project delivery Team mentorship #J- Ljbffr #J-18808-Ljbffr
-
Senior Ruby on Rails Developer
7 days ago
Johannesburg, South Africa DataFin Full timeENVIRONMENT Our client – a fast-moving, high-growth online loan underwriting company – is on the hunt for a Senior Ruby on Rails Developer who’s not just great with code but also knows how to lead the way! If you're someone who thrives on building sleek, scalable web apps front to back, loves clean code, and has a thing for mentoring fellow devs while...
-
Full Stack Developer: Ruby on Rails
2 weeks ago
Johannesburg, South Africa The Legends Agency Full timeAbout the job Full Stack Developer: Ruby on Rails Full Stack Developer (Mid to Senior Level) About Our Client Our client is an agile and rapidly scaling digital solutions provider, focused on building high-performance applications that solve real-world problems. With a collaborative team culture and a strong emphasis on innovation, they offer developers the...
-
Tech Lead
2 weeks ago
Johannesburg, South Africa Supportwave Full timeTech Lead - Ruby on Rails Join to apply for the Tech Lead - Ruby on Rails role at Supportwave Technical Lead - Ruby on Rails - Hybrid, 12-Month Contract As a Technical Lead, you'll guide development teams to deliver impactful software, leading project planning, code reviews, designing scalable architectures, and mentoring junior engineers for technical...
-
Ruby on Rails Developer
1 week ago
Johannesburg Metropolitan Area, South Africa Onboarded Solutions Full time R2 000 000 - R2 500 000 per yearWe're Hiring: Principal Software Engineer (Ruby on Rails)Hybrid Role (3 Days in Office / 2 Days Remote)We're looking for a highly skilledPrincipal Software Engineerwith deep expertise inRuby on Railsto take alead rolein designing, architecting, and delivering scalable, secure, and high-performing web applications. This is ahands-on technical leadership role,...
-
Ruby on Rails Developer
6 days ago
Johannesburg, South Africa The Skills Mine Full timeJob Description Our client is within the Technology and Automated Transport space. Responsibilities: Independently plan, install, integrate, and validate systems software and hardware solutions. Collaborate with the team on new features and improvements. Resolve issues and navigate obstacles to deliver high-quality products. Build native applications for...
-
Full Stack Developer: Ruby on Rails
5 days ago
Johannesburg, Gauteng, South Africa The Legends Agency Full time R250 000 - R500 000 per yearFull Stack Developer (Mid to Senior Level)About Our ClientOur client is an agile and rapidly scaling digital solutions provider, focused on building high-performance applications that solve real-world problems. With a collaborative team culture and a strong emphasis on innovation, they offer developers the space to work with modern frameworks, contribute to...
-
Johannesburg, South Africa DataFin Full timeA fast-growing online lending company in Johannesburg is seeking a Senior Ruby on Rails Developer. This role involves leading a team, managing projects, and developing high-performance applications. The ideal candidate has over 8 years of experience in Ruby on Rails development and technical leadership, along with proficiency in modern web technologies. Join...
-
Full Stack Developer: Ruby on Rails
2 weeks ago
Johannesburg, South Africa The Legends Agency Full timeKey ResponsibilitiesBuild and maintain full-stack software solutions alongside product and design teamsDevelop and manage databases, particularly PostgreSQL or other SQL-based systemsWork within modern frameworks, especially Ruby on Rails and React NativeProvide internal technical support when requiredParticipate in quality assurance activities, including...
-
Senior Ruby on Rails Backend Engineer
2 weeks ago
Johannesburg, South Africa DataFin Full timeAn AgriTech start-up in Johannesburg is seeking a Senior Back-End Developer to enhance its SaaS platform for the agricultural sector. This role emphasizes creating scalable solutions using Ruby on Rails, managing APIs, and collaborating with cross-functional teams. Candidates should possess a solid background in relational databases, cloud infrastructure,...
-
SENIOR SOFTWARE ENGINEER
6 days ago
Johannesburg, South Africa E-Merge Full timeAn impactful tech studio that blends elegant design, agile methodology, and strategic thinking to convert ideas into products that scale and matter is looking for a Senior Software Engineer with deep Ruby on Rails expertise to join their talented engineering team.The current need is for someone passionate about their craft and motivated by the chance to take...