Semi-Senior

Erlang Developer

An Erlang Developer is a specialist in the functional programming language Erlang, known for its robustness in building concurrent, distributed, and fault-tolerant systems. This role involves designing, coding, testing, and maintaining applications that often demand high availability and scalability, typically in telecommunications, messaging systems, and real-time services. Erlang Developers leverage OTP (Open Telecom Platform) libraries and tools to ensure efficient system architecture and performance. Their expertise is crucial for optimizing processes and maintaining the reliability and efficiency of mission-critical systems.

Wages Comparison for Erlang Developer

Local Staff

Vintti

Annual Wage

$77000

$30800

Hourly Wage

$37.02

$14.81

Technical Skills and Knowledge Questions

- How does Erlang's concurrency model differ from traditional threading models?
- Can you explain the process of spawning and managing processes in Erlang?
- What are the core principles of Erlang's OTP framework?
- Describe a scenario where you used Erlang's pattern matching to simplify code.
- How do message passing and process isolation in Erlang help in building robust distributed systems?
- Explain how hot code swapping works in Erlang and its practical applications.
- What strategies would you use in Erlang to handle a high number of simultaneous connections?
- Can you discuss the use of ETS (Erlang Term Storage) and Mnesia databases in your projects?
- How do you implement fault-tolerance and error handling in Erlang applications?
- Describe the role of supervisors in Erlang's OTP and provide an example of their use.

Problem-Solving and Innovation Questions

- Describe a challenging problem you've solved using Erlang. What was your approach and how did you ensure it was the most efficient solution?
- How do you handle concurrent processes in Erlang? Can you provide an example of a complex concurrency problem you've tackled?
- Can you discuss a time when you identified a potential improvement in an existing Erlang system? What steps did you take to implement this improvement?
- Tell me about a situation where you had to optimize the performance of an Erlang application. What tools and techniques did you use?
- How do you approach debugging in Erlang, especially when dealing with distributed systems? Give an example of a difficult bug you managed to resolve.
- Describe a situation where you had to innovate to overcome a limitation of the Erlang language or runtime. What was your solution?
- How do you ensure fault tolerance and reliability in your Erlang applications? Can you discuss a specific instance where these principles were critical?
- When faced with a requirement to integrate Erlang with other technologies or languages, how do you approach the problem? Provide an example.
- Can you explain an experience where you had to rapidly prototype a solution in Erlang? How did you balance speed and quality?
- Discuss a complex algorithm that you've implemented in Erlang. What were the challenges, and how did you address them?

Communication and Teamwork Questions

- Can you describe a time when you had to explain a complex Erlang concept to someone without a technical background? How did you ensure they understood?
- How do you handle communication when working in a geographically distributed team with other developers and stakeholders?
- Provide an example of how you resolved a conflict within a team where differing opinions on handling an Erlang-related issue were present.
- Explain a situation where you had to collaborate closely with a team member who had a different opinion on a technical solution. How did you approach the situation?
- Describe your experience with code reviews. How do you ensure constructive and clear feedback in a code review process?
- How do you keep your team informed about the progress of your work and any challenges you face?
- Can you give an example of how you have contributed to improving communication and collaboration within a team?
- Explain how you would onboard a new team member who is unfamiliar with Erlang. What steps would you take to integrate them effectively?
- Describe a situation where you had to balance advocating for a technical solution while also accommodating team feedback and constraints.
- How do you ensure that all team members are aligned and understand the objectives and goals of a project you are working on?

Project and Resource Management Questions

- Can you describe a complex project you managed using Erlang and how you ensured timely delivery?
- How do you prioritize tasks and manage resources in a project with strict deadlines?
- Can you discuss a time when you had to scale an Erlang application to handle increased load?
- How do you approach distributing workloads in a multi-node Erlang system?
- Describe your experience with version control systems in managing Erlang projects.
- How do you handle team coordination and communication in a distributed development environment?
- Can you share an example of how you balanced debugging, feature development, and maintenance in a large Erlang codebase?
- What strategies do you use to ensure code quality and performance in an Erlang project?
- How do you allocate tasks among team members based on their strengths in an Erlang development project?
- Can you discuss your approach to monitoring and maintaining the health of an Erlang-based system?

Ethics and Compliance Questions

- Can you describe a time when you had to make an ethical decision in a previous project, and how you handled it?
- How do you ensure that the code you write adheres to company policies and industry standards?
- What measures do you take to maintain data privacy and security in your development work?
- How do you handle situations where you are asked to implement a feature that might compromise user data or security?
- Describe your approach to maintaining compliance with open-source software licenses when using third-party libraries in your projects.
- How do you stay informed about changes in regulations and compliance requirements relevant to software development and data management?
- Can you give an example of how you've dealt with a colleague or team member who was not adhering to ethical standards or company policies?
- What steps do you take to ensure that your codebase remains free of vulnerabilities that could be exploited?
- How do you balance the need for rapid development and delivery with the necessity for thorough testing and compliance checks?
- Describe how you incorporate ethical considerations when designing systems that have significant impact on users or businesses.

Professional Growth and Adaptability Questions

- How do you stay current with the latest developments in Erlang programming and functional programming in general?
- Can you describe a time when you had to learn a new technology or tool within a short timeframe? How did you approach the learning process?
- What strategies do you use to continuously improve your coding skills and overall software development practices?
- Can you give an example of a project where you had to adapt to significant changes midway through development? How did you handle it?
- How do you keep your technical knowledge up to date with evolving industry standards and best practices?
- Can you discuss a specific instance where feedback significantly influenced your professional growth or project outcome?
- How do you manage and prioritize learning new skills while maintaining your current workload?
- Can you share an experience where you successfully integrated a new programming paradigm or methodology into your work?
- How do you approach staying informed about advancements in distributed systems, particularly those that pertain to Erlang?
- In what ways have you adapted your workflow or development process to accommodate changes in project requirements or team dynamics?

Cost Comparison
For a Full-Time (40 hr Week) Employee

United States

Latam

Junior Hourly Wage

$30

$13.5

Semi-Senior Hourly Wage

$45

$20.25

Senior Hourly Wage

$70

$31.5

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