Back-End Developer
A Back-End Developer is responsible for server-side web application logic as well as the integration with the front-end of websites. They write web services and APIs used by front-end developers and mobile application developers.
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Sample Job Descriptions for Back-End Developer
Below are the some sample job descriptions for the different experience levels, where you can find the summary of the role, required skills, qualifications, and responsibilities.
Junior (0-2 years of experience)
Summary of the Role
We are seeking a motivated Junior Back-End Developer to join our dynamic team, focusing on the server-side of our web applications. You will collaborate with our front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience. If you are passionate about technology and interested in helping to drive the direction of future web functionalities and features, we encourage you to apply.
Required Skills
- Problem-solving skills.
- Good communication and teamwork skills.
- Eagerness to learn new technologies.
- Critical thinking and initiative.
- Time-management skills.
Qualifications
- Degree in Computer Science, Engineering, or relevant field.
- Understanding of fundamental design principles behind a scalable application.
- Basic knowledge of at least one back-end programming language (e.g., Ruby, Python, Java, PHP).
- Familiarity with front-end technologies (like HTML5, CSS3, JavaScript) for collaborating with front-end developers.
- Familiarity with database technology such as MySQL, MongoDB.
- Proficient understanding of code versioning tools, such as Git.
Responsibilities
- Assist in the development and maintenance of server-side logic.
- Ensure high performance and responsiveness to requests from the front-end.
- Help to integrate user-facing elements developed by a front-end developers with server-side logic.
- Write reusable, testable, and efficient code.
- Identify bottlenecks and bugs, and devise solutions to these problems.
- Collaborate with other team members and stakeholders.
Intermediate (2-5 years of experience)
Summary of the Role
We are looking for a dedicated and passionate Intermediate Back-End Developer to join our team. The ideal candidate will be responsible for developing and maintaining the server-side logic, integration of user-facing elements developed by front-end developers, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for managing the interchange of data between the server and the users, as well as developing all server-side logic, definition, and maintenance of the central database.
Required Skills
- Proficient in back-end programming languages like Ruby, Python, Java, or .NET
- Solid understanding of object-oriented programming, functional programming, and design patterns.
- Experience in concurrency and event-driven development.
- Excellent knowledge of Relational Databases, SQL and ORM technologies.
- Experience with development of RESTful APIs.
- Good understanding of server-side templating languages and server-side CSS preprocessors.
- Strong problem solving and communication skills.
- Ability to work independently as well as in a team environment.
- Proactive and eager to learn new tools and technologies.
Qualifications
- Bachelor's degree in Computer Science, Engineering, or a related field.
- 2-5 years of experience with server-side languages such as Ruby, Python, Java, or .NET.
- Experience working with SQL/NoSQL databases and their declarative query languages.
- Understanding of accessibility and security compliance.
- User authentication and authorization between multiple systems, servers, and environments.
- Integration of multiple data sources and databases into one system.
- Familiarity with front-end technologies (like HTML, CSS, JavaScript) for seamless integration.
- Strong understanding of the web development cycle and programming techniques and tools.
- Experience with version control, such as Git.
Responsibilities
- Develop and maintain scalable server-side applications.
- Work collaboratively with front-end developers to integrate user-facing elements with server-side logic.
- Write reusable, testable, and efficient code.
- Design and implement low-latency, high-availability, and performant applications.
- Implement security and data protection measures.
- Integrate data storage solutions, including databases, key-value stores, blob stores, etc.
- Troubleshoot and debug applications.
- Provide technical leadership and mentoring to junior developers.
- Stay informed of emerging technologies/industry trends and apply them into operations and activities.
Senior (5+ years of experience)
Summary of the Role
As a Senior Back-End Developer, you will be responsible for developing and maintaining the server-side logic, databases, and application integration of complex web and mobile applications. You'll lead a team of developers, oversee the technical aspects of projects, and ensure that the best practices and coding standards are adhered to.
Required Skills
- Excellent programming skills in one or more back-end languages.
- Strong analytical and problem-solving skills.
- Experience with cloud services such as AWS, Azure, or Google Cloud Platform.
- Proficient understanding of code versioning tools, such as Git.
- Strong understanding of the full software development lifecycle (SDLC).
- Good leadership and communication skills.
- Ability to work independently and in a team-oriented environment.
- Strong attention to detail and a commitment to delivering high-quality software.
Qualifications
- Bachelor's or Master's degree in Computer Science, Information Systems, or a related field.
- Minimum of 5 years of experience in back-end development.
- Proven track record of developing scalable and secure back-end systems.
- Experience with back-end programming languages such as Java, Python, Ruby, PHP, or .NET.
- Experience with database technologies such as MySQL, PostgreSQL, MongoDB, or similar.
- Experience with server-side frameworks and tools such as Node.js, Django, Rails, Laravel, or similar.
- Extensive knowledge of RESTful API design and development.
- Understanding of server management and deployment for complex applications.
Responsibilities
- Design and implement server-side logic and database architectures for high-volume, high-availability applications.
- Collaborate with front-end developers to integrate user-facing elements with server-side logic.
- Lead the development team in the design, development, coding, testing and debugging of applications.
- Ensure performance, quality, and responsiveness of applications.
- Mentor junior developers and conduct code reviews to maintain code quality and compliance with standards.
- Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues.
- Stay informed about the latest innovations in back-end technologies and incorporate new technologies as appropriate.
- Oversee deployment of applications to live environments and manage version control.
- Conduct system analysis and make recommendations for scalability and performance improvements.
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