Development Technical Lead

Permanent employee, Full-time · Budapest

Your mission
Are you ready to lead cutting-edge development projects and drive technical excellence in a dynamic, fast-paced environment? 
We’re looking for a Development Technical Lead who thrives on solving complex challenges, mentoring high-performing teams, and delivering scalable, high-quality software solutions. Join us to play a key role in shaping innovative products that impact thousands of users — all within a collaborative and forward-thinking culture. 
Your profile

Technical Lead Role 

  • provide technical leadership, guidance, and accountability for the deliverables of the agile team
  • actively contribute as a member of the team, writing high-quality code and participating in code reviews
  • maintain code quality and mentor team members to continuously improve team performance
  • foster an inclusive, collaborative environment that encourages knowledge-sharing and innovation
  • design and oversee the implementation of technical solutions, ensuring scalability, maintainability and alignment with the organization’s architectural principles
  • collaborate with the Architects and other Tech Leads to maintain technical consistencyshare updates, discuss technical challenges and address cross-team dependencies
  • work closely with Product Owners to provide technical input during early stages of product planning, including high-level effort estimations for new features or initiatives
  • ensure that implemented features meet business needs, technical requirements, and quality expectations
  • proactively identify and mitigate risks that may affect feature delivery or technical integrity
Team Leadership – Optional
  • motivate team members by setting clear goals, providing regular feedback, and recognizing achievements
  • mentor team members by offering guidance, support, and opportunities for growth and learning
  • hold regular one-on-one reviews to evaluate individual progress, provide constructive feedback, and align with career development paths
  • actively resolve conflicts and mediate tensions, fostering a respectful and constructive team culture
  • maintain open and transparent communication, ensuring team members are aligned and informed
  • participate in the recruitment process, including screening, interviewing, and evaluating candidates

Required qualifications and skills 

  • college or university degree
  • at least 5-year experience as a software developer
  • high level expertise in C#.NET Core, and Entity Framework Core
  • deep understanding of relational database design and development using Microsoft SQL Server
  • strong knowledge of REST (ASP.NET Web API) and SOAP (WCF)
  • experience in microservice architecture design
  • proficient in Git, including branching strategies
  • familiarity with the principles of secure system engineering
  • good professional English (spoken and written)
Advantages 
  • proficiency in developing, deploying, and debugging applications using Azure App Services and Azure Functions
  • design, develop, and deploy scalable applications leveraging containerization technologies such as Docker and Kubernetes
  • knowledge of VoIP technologies (SIP, RTP)
  • experience in DevOps or continuous delivery approach
  • people management background


Why us?

We are offering 

  • Professional challenges, inspiring, diverse tasks
  • structured development process
  • learning path on new technologies (AI, LLM)
  • multiculture environment
  • flexible working hours and home office days
  • relaxed atmosphere, steady, supportive international team
  • easily accessible modern office with good infrastructure
  • complimentary coffee, fruit and snacks
About us
Telio is a medium-sized, internationally active, rapidly growing company in the field of telecommunications and IT services in the prison sector. As the European market leader, we have been providing communications solutions for prisons and their inmates worldwide for 25 years. With more than 270 employees, we are active in 25 countries and develop, install and operate communication and media systems that make an important contribution to resocialization in prisons as well as in correctional facilities.
We are looking forward to hearing from you!
Thank you for your interest in Telio. Please fill out the following short form. Should you have difficulties with the upload of your data, please send an email to jobs.headoffice@tel.io
Uploading document. Please wait.
Please add all mandatory information with a * to send your application.