Announcing our Latest Travel eSIM Benchmark

SEGRON is preparing to launch a comprehensive Travel eSIM Benchmark, designed to deliver critical insights into the performance of leading eSIM providers worldwide. As the travel eSIM market rapidly expands, understanding how different providers stack up is more important than ever.

Since the early 1990s, physical SIM cards have dominated mobile connectivity, allowing operators to maintain control over customer access. However, the advent of embedded SIM (eSIM) technology in 2015 marked a significant shift. Initially, the adoption of eSIMs was slow, as mobile operators were concerned about losing control and increasing customer churn. But the landscape is changing rapidly due to two key developments:

  • The increasing number of smartphones supporting both eSIM and physical SIM slots.
  • The rise of new providers offering flexible mobile subscriptions, particularly for travelers.

Travel eSIMs are becoming the go-to solution for travelers seeking cost-effective, data-only packages tailored to specific regions. According to a 2024 Juniper Research study, the travel eSIM market is expected to surge from 40 million subscribers this year to 215 million by 2028, with users currently saving an average of $3 per GB of data compared to traditional roaming costs.

What to Expect from SEGRON’s Travel eSIM Benchmark

In this interconnected world, seamless communication is vital for travelers who rely on mobile connectivity for navigation, communication, and accessing services while abroad. However, the quality of eSIM service can vary widely depending on the provider and region.

SEGRON’s Travel eSIM Benchmark aims to address these challenges by offering a comprehensive analysis of service quality across different countries. Using our state-of-the-art Global Service Enabler (GSE) platform, we conduct fully automated tests on real, unrooted smartphones to compare travel eSIM profiles with traditional SIM profiles from the top five travel eSIM providers.

Our benchmark will evaluate key performance metrics, including:

  • Network Access: How easily can travelers connect in different regions?
  • Data Speeds: Are the data speeds reliable for various online activities?
  • Latency: How responsive is the connection, particularly for real-time applications?
  • Service Reliability: How often do users experience dropped connections or interruptions?

By highlighting the strengths and weaknesses of each provider in specific regions, our benchmark will empower travelers to make informed choices and help eSIM providers identify areas for improvement, ultimately leading to better user experiences and more reliable global connectivity.

Be the first having access to valuable Insights

This benchmark is an invaluable resource for any eSIM provider looking to stay ahead in a rapidly growing market. Don’t miss the opportunity to gain a competitive edge—register your interest now to receive exclusive early access to SEGRON’s Travel eSIM Benchmark Report as soon as it’s available. Simply fill in your contact details and select ‘Travel eSIM’ in the ‘Technology Interest’ field.

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Senior SaaS System Administrator

Technical Skills :
  • Oversee the sysadmin related tasks in our SaaS infrastructure (partially cloud based, partially bare metal)
  • Daily operation and maintenance of the system
  • Analysing and resolving incidents
  • Follow and help improving the incident and change management procedures
  • Design procedures for system troubleshooting and maintenance
  • Incorporating base OS updates and security patches
  • Ensure that systems are safe and secure against cybersecurity threats by raising change requests where potential threat is possible
  • Performing SW updates for the Segron SaaS SW stack (distributed architecture with clusters)
  • Configuring solutions like reverse proxy, firewalls, etc.
  • Building tools to automate procedures & reduce occurrences of errors and improve customer experience
  • Tutoring & coaching newcomers & less senior experts in the team
  • Interworking with the architects and IT admins of Segron to have the SaaS procedures inline with the Segron processes
Non-technical skills:
  • We are looking for a self-motivated, self-improving individual with a highly independent mindset and open and straightforward technical communication to help us to improve and maintain our cloud infrastructure of our powerful end-to-end testing solution ATF (Automated Testing Framework)
  • 3+ years hands-on experience with operation and monitoring of cloud / linux systems
  • 3+ years of hands-on experience with network devops elements: configuring routers, switches, networks
  • Hands-on experience with running live systems with infrastructure as a code mode of operation
  • Specific knowledge which brings direct advantage: Docker, Docker Compose, Grafana, Prometheus, Ansible, Debian Linux OS administration, Security
  • Experience in building and maintaining distributed systems (incl. redundancy, resiliency, load-balancing) is welcome
  • Excellent knowledge of English
Location :
  • Place of work: Bratislava (partially home office possible)
  • Rate: from 30 EUR/hour (possible higher rate, depends on experience)
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CI/CD Senior Developer

Technical Skills :
  • A senior role with a proven expertise in software development, cloud computing, DevOps, and CI/CD
  • Experience in planning, designing, and overseeing the CI/CD strategy and architecture on the level of organization
  • Ability to tailor testing strategies which define and follow the best practices, standards, and policies for the software delivery process
  • Hands-on experience in creating and managing CI/CD pipelines and workflows (PaaC)
  • Ability to evaluate and recommend the best tools, technologies, and methodologies for the CI/CD implementation
  • Prior hands-on experience working with different CI/CD toolsets (Jenkins, Bitbucket, GitLab, artifactory, Ansible ..)
  • Proficient with DevOps tools API automation capabilities
  • Proficient with Atlassian Tools (BitBucket, Jira, Confluence) and agile SW development methodologies
  • Familiar with cloud patterns and best practices
  • Familiar with web performance best practices
  • Comfortable working in cloud DevOps ecosystem
  • Comfortable working with Linux platforms
  • Initial working experience in SW development is an advantage.
Non-technical skills:
  • Effective communication with technical as well and business stakeholders
  • Self-motivating, self-improving mindset
  • Ownership of relevant industry certificates is a plus
Location :
  • Location: Bratislava, Slovakia (with hybrid flexibility)
  • Rate: from 30 EUR/hour (possible higher rate, depends on experience)
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Test Automation Engineer

Job description, responsibilities:

Hardware Testing: Conduct verification and testing of hardware during the HW/SW products
assembly process.
Technical Support: Provide technical assistance during testing activities and troubleshoot any
hardware issues that arise. Support to internal teams and customers by managing priorities and
meeting deadlines.
Equipment Maintenance: Configure and maintain SEGRON laboratory and customer equipment.
Logistics Support: Handle hardware ordering and logistics.
Troubleshooting: Analyze and resolve SEGRON product issues through effective problem-solving.
Ability to troubleshoot and resolve issues that arise during the integration process.
Collaboration: Work with the SEGRON Development Team on product or software issues and assist
the Project Team with planned activities.
Root Cause Analysis: Investigate production errors to identify underlying causes.
Software Deployment: Implement software updates and fixes.
Team Collaboration: Ability to work collaboratively in a team environment, especially in serving global
customers.

Requirements/ Skills:

Networking knowledge: Understanding TCP/IP networks and LAN/WAN configurations. Routing and
switching and related protocols strongly desired.
Hardware Proficiency: Understanding of hardware components, including servers, routers, and
peripherals, to ensure proper assembly and integration. Experience in data centers is a plus.
Travel Abilities: Willing to travel for customer on-site support for hardware installations, migrations,
upgrades, troubleshooting, etc. (few times a year, 3-5 days)
Hand Tools: Proficiency in using hand tools like screwdrivers, pliers, crimpers, and punches for
assembling and disassembling components.
Operating Systems: Knowledge of Linux and Windows. VM experience (Hyper-V, VMWare, Oracle
Virtual Box, Proxmox etc.)
Tools Proficiency: Basic understanding of Ansible.
Telecommunications Experience: Previous experience in the telecom sector is a plus.
Education: Degree in Computer Science/Engineering or equivalent work experience.
Experience: At least 2 years of relevant work experience preferred. A strong desire to continuously
improve skills and knowledge in hardware and software integration, with an openness to feedback and
new ideas. Key is openminded person willing to learn fast in great team.
Communication Skills: Effective oral and written Eng

Others:

• Full time job (employment)
• Onsite work during onboarding period, then it can be 3 days onsite, 2 days home office
Offered salary: from 2000 Euro (depends on seniority and skills level)
Variety of financial benefits
Place of work: Bratislava

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Senior Python Developer

Technical Skills :

  • A solid, experienced SW developer with at least 10 years of experience in active SW development in different programming paradigms
  • Minimum 5 years of professional Python development experience
  • Master or college degree from Computer Science, Mathematics or STEM domain
  • Well educated in design and programming patterns that increase software’s efficiency and readability.
  • Very good analytical and problem solving skills.
  • At least three skills out of the following 4 skills are requested:
    • Microservices based architectures (Docker containers)
    • Linux
    • Ansible
    • Robot  Framework
  • Comfortable with sysadmin and DevOps skills (Ansible, YML files, Network Programming, IP protocols, designing and developing proxy servers for different protocols – example: streaming, integrating and compiling third party libraries on Linux (Debian))
  • Proficient with Atlassian Tools (BitBucket, Jira, Confluence) thorough understanding of Git and version control best practices
  • Familiar with cloud patterns and best practices
  • Familiar with web performance best practices

Non-technical skills:

  • Ability to work under pressure
  • Ability to abstract and explain your work
  • Strong understanding of Agile development process and experience working in an agile team
  • Strong communication skills with both technical and non-technical stakeholders
Location :
  • Bratislava, Slovakia (with hybrid flexibility)
  • Rate: from 35 EUR/hour (possible higher rate, but depends on experience)
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