CallTek
Senior Software Engineer (Full Stack)
Skills
1 day ago
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Important information
Contract type:
Permanent
Location:
Nairobi, Kenya
Work mode:
Onsite
Published on:
19 October 2026
What they need
We are seeking an experienced Senior Software Engineer (Full Stack) to design, develop, and maintain enterprise SaaS applications. This role requires advanced JavaScript/TypeScript expertise, strong full-stack development skills, and experience building scalable, secure, high-performance applications. The ideal candidate will collaborate with distributed engineering teams, lead technical initiatives, and mentor developers.
Key Responsibilities
- Design, develop, troubleshoot, and maintain complex full-stack web applications
- Build modern single-page applications using React, AngularJS, or Vue.js
- Develop RESTful APIs, microservices, and backend solutions using Node.js and Express
- Lead code reviews, system design, and software engineering best practices
- Implement unit testing, CI/CD, and Agile development processes
- Collaborate with QA teams to ensure application performance, security, scalability, and data integrity
- Support legacy application modernization and mentor junior developers
Requirements
- Support legacy application modernization and mentor junior developers
Required Qualifications
- 5+ years of expert-level JavaScript/TypeScript experience
- Strong hands-on experience with Node.js, Express, HTML, CSS, and SCSS
- Experience with React, AngularJS, Vue.js, or similar frameworks
- Knowledge of RESTful APIs, microservices, and full-stack application architecture
- Experience with Agile, Git, CI/CD, unit testing, and test-driven development
- Experience with Docker in Linux or macOS environments
- Experience with NoSQL or MultiValue (PICK) databases
- Strong troubleshooting, communication, and collaboration skills
Preferred Qualifications
- 10+ years of software industry experience
- AWS or Azure cloud experience
- Legacy application modernization experience
- Human Capital Management (HCM) industry knowledge
- Bachelor's degree in Computer Science or equivalent experience
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