Vacancy title:
Full Stack Developer

[Type: FULL_TIME, Industry: Consulting, Category: Computer & IT]

Jobs at:
Actserv

Deadline of this Job:
Wednesday, August 6 2025

Duty Station:
Nairobi | Nairobi | Kenya

Summary
Date Posted: Wednesday, July 23 2025, Base Salary: Not Disclosed

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JOB DETAILS:

The Full Stack Developer will be responsible for developing, maintaining, and deploying both front-end and back-end components of web applications. The ideal candidate should have the ability to work across the entire software stack, collaborate with design and product teams, and ensure robust, scalable, and secure solutions.

Reporting to:Manager, Systems Development

Key Duties and Responsibilities:

• Design, develop, and maintain both the client-side (front-end) and server-side (back-end) components of web applications.
• Translate UI/UX designs and wireframes into high-quality, responsive, and interactive user interfaces using HTML, CSS, and JavaScript frameworks ( React, Next.js).
• Implement user-facing features with a focus on usability, performance, and accessibility.
• Ensure cross-browser compatibility and optimize applications for various devices and screen sizes.
• Develop and maintain robust server-side logic, APIs (RESTful or GraphQL), and database interactions using chosen back-end languages and frameworks (Python).
• Design and implement efficient database schemas for relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB) databases.
• Integrate third-party services and APIs as required.
• Perform database design, modeling, and optimization to ensure data integrity, performance, and scalability.
• Write complex SQL queries and utilize ORMs effectively.
• Work closely with product managers, UI/UX designers, and other developers (front-end, back-end, DevOps) to understand and clarify requirements, define technical specifications, and deliver integrated solutions.
• Participate actively in stand-ups, sprint planning, and retrospective meetings.
• Actively participate in code reviews, providing constructive feedback to peers and ensuring adherence to coding standards, best practices, and architectural guidelines.
• Be open to receiving and incorporating feedback from others.
• Create and maintain technical documentation for developed features, APIs, and system architecture.
• Write and maintain comprehensive unit, integration, and end-to-end tests for both front-end and back-end code to ensure code quality and prevent regressions.
• Assist in identifying and reproducing bugs reported by QA or users.
• Proactively identify, diagnose, and resolve technical issues, bugs, and performance bottlenecks across the entire application stack.
• Monitor application performance and implement optimizations to improve load times, responsiveness, and scalability.
• Contribute to the ongoing maintenance, support, and evolution of existing applications.
• Take ownership of complex technical challenges and propose effective solutions.
• Contribute to technical discussions and decision-making processes.
• Provide accurate estimates for development efforts and communicate progress and blockers proactively.
• Continuously learn and stay updated with the latest industry trends, technologies, and best practices in full-stack development, architectural patterns and security.

Knowledge, experience, and qualifications required:

• Bachelor’s degree in Computer Science, IT, Software Engineering, or related field.
• Two (2) to four (4)years of professional experience in full-stack development.
• A strong portfolio showcasing previous full-stack projects links to public repositories (e.g., GitHub), highlighting both front-end and back-end contributions.
• Relevant certifications in specific frameworks, cloud platforms, or database technologies is an added advantage.
• Front-End Proficiency
• Strong command of HTML5, CSS3 (including preprocessors like Sass or Less), and JavaScript (ES6+).
• Demonstrated experience with at least one popular JavaScript framework/library such as React and Next.js. Familiarity with state management libraries (e.g., Redux ) is required.
• Ability to build responsive and adaptive web interfaces that work seamlessly across various devices and screen sizes.
• Familiarity with modern front-end build tools like Webpack or Vite.
• Understanding of web performance best practices and tools to optimize load times and rendering.

Back-End Proficiency

• Proficiency in at least one back-end programming language Python (with Django or Flask).
• Experience with relational databases (e.g., PostgreSQL, MySQL, SQL Server) and/or NoSQL databases (e.g., MongoDB, Redis).
• Ability to design, develop, and consume RESTful APIs or GraphQL endpoints.
• Understanding of authentication and authorization mechanisms (e.g., JWT, OAuth).
• Familiarity with server-side caching, queuing, and background processing.

Database Management

• Ability to design database schemas, write efficient queries, and perform database migrations.
• Understanding of database optimization techniques.
• Version Control- Solid understanding and practical experience with Git and related platforms (GitHub) for collaborative development.
• API Integration- Experience integrating with third-party APIs and services.
• Testing- Knowledge of writing unit, integration, and end-to-end tests for both front-end and back-end code (e.g., Jest, Pytest).
• Deployment & DevOps Fundamentals- Experience with CI/CD pipelines is a plus.
• Strong analytical and problem-solving skills with an ability to debug complex issues across the entire stack.
• Excellent communication skills to articulate technical concepts, collaborate effectively within a team, and interact with stakeholders.
• Strong project management skills to effectively manage individual tasks and contribute to the team’s sprint goals, ensuring timely delivery of features.

Work Hours: 8

Experience in Months: 24

Level of Education: Bachelor's degree

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