Development Technical Lead

Your mission

A re 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

a ctively 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

f oster an inclusive, collaborative environment that encourages knowledge-sharing and innovation

d esign and oversee the implementation of technical solutions, ensuring scalability,  maintainability  and alignment with the organization’s architectural principles

c ollaborate with the Architect s  and other Tech Leads to  maintain  technical consistency ,  share 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

e nsure that implemented features meet business needs, technical  requirements , and quality expectations

p roactively  identify  and mitigate risks that may affect feature delivery or technical integrity

Team Leadership – Optional

m otivate team members by setting clear goals, providing regular feedback, and recognizing achievements

m entor 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

a ctively resolve conflicts and mediate tensions, fostering a respectful and constructive team culture

m aintain open and transparent communication, ensuring team members are aligned and informed

p articipate 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 develope r

high level   expertise  in  C# ,  .NET Core , and  Entity Framework Core

d eep understanding of relational database design and development using  Microsoft SQL Server

strong knowledge of REST (ASP.NET Web API) and SOAP (WCF)

• UI development experience, preferably using React

experience in  mic roservice  architecture design

p roficient in  Git , including branching strategies

f amiliarity with  the  principles of secure system engineering

good professional  English (spoken and written)

Advantages

p roficiency  in developing, deploying, and debugging applications using  Azure App Services  and  Azure Functions

d esign, 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

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.