[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) América Móvil · София # Mainframe Developer София Full-time Software Engineering Listed on América Móvil’s official careers site. Posted October 21, 2026. Check that it is still open and apply there. [Apply on América Móvil’s careers site →](https://jobs.a1.com/bg/jobs/job/9270-mainframe-developer) [OpenNash Jobs](https://jobs.opennash.com/) / [América Móvil](https://jobs.opennash.com/companies/america-movil/) / Mainframe Developer ## Job description Strength. Care. Growth Did you know that A1 Bulgaria is working on international projects as well? Our wide portfolio has long past the telecom services, and we are now offering digital solutions to millions of corporate, public, and private customers. State-of-the-art technology, the latest innovations, and extremely talented professionals in various areas help us deliver the best-in-class products, services, and customer experience. You’ll know A1 Bulgaria is the right place for you if you are driven by: Opportunities to learn and build your career; Meaningful work in a stable and fast-paced company; Diversity of people, projects, and platforms; A supportive, fun, and inspiring place to work. Would you like to join us? Todor Damyanov is looking for a new team member. Your daily routine would include: Development & Release planning / Managing scope of Enterprise-Releases. Release deployments Mainframe. Issue analysis SNOW-tickets / root cause. SNOW SCTASK and INC handling (Trouble Tickets). Operational Monitoring of all env. DEV/KIT/INT/PROD - Grafana, AppDynamics. We’ll know you can make it if you have: Hands-on experience with mainframe technologies and PL/I development. Strong expertise in Node.js and modern software development practices. Experience leveraging AI-supported tools and approaches throughout the software development lifecycle. Solid understanding of DevOps principles, including CI/CD pipelines and GitOps. Practical experience working with Linux environments. Knowledge of test automation and process automation methodologies. A collaborative mindset, combined with excellent communication and teamwork skills. Professional proficiency in English, both written and spoken (B2/C1). German language skills are considered a plus. Our gratitude for the job done will be eternal, but we’ll also offer you: Innovative technologies and platforms to “play” with; Modern working environment for your comfort; Friendly, ambitious, and motivated teammates to support each other; Thousands of online and in-person learning opportunities to grow; Challenging assignments and career development opportunities in multinational environment; Attractive remuneration package; Flexible working schedule and opportunity for home office; Numerous additional goodies, including, but not limited to free A1 services, discounts, health insurance and services, sports center, childcare, team and family events, etc. Not sure yet? See us in action in our A1 Blog. Any questions? Contact Gabriela Rudarska. Sounds good? Apply now! Only shortlisted candidates will be contacted. ## At a glance - Posted by the employer: Oct 21, 2026 - First seen by OpenNash: Oct 25, 2026 - Last checked: Nov 8, 2026 - Listed for: 18 days - Location: София - Employment type: Full-time[Apply on América Móvil’s careers site →](https://jobs.a1.com/bg/jobs/job/9270-mainframe-developer) ## More jobs at América Móvil ### [.NET Backend Developer](https://jobs.opennash.com/companies/america-movil/jobs/f6159769da4623ae170f/) София ### [BI Developer](https://jobs.opennash.com/companies/america-movil/jobs/30b3489b7d120029b6c0/) София ### [Backend Python Developer (f/m/d) @ A1 Competence Delivery Center](https://jobs.opennash.com/companies/america-movil/jobs/735d0f8fbfe7846e9733/) София ### [DevOps Engineer](https://jobs.opennash.com/companies/america-movil/jobs/61ae3baa1df7d107dc76/) София ### [DevOps Engineer (f/m/d) @ A1 Competence Delivery Center](https://jobs.opennash.com/companies/america-movil/jobs/b85fb40ffe483cfae46e/) София ## Similar jobs at other companies ### [Cobol Mainframe Developer](https://jobs.opennash.com/companies/ntt/jobs/413f0f101a2775cb755c/) NTT · Lima, Peru ### [Senior Mainframe Developer](https://jobs.opennash.com/companies/accenture/jobs/4515b779fedc380b5616/) Accenture ### [Senior Mainframe Developer](https://jobs.opennash.com/companies/thermo-fisher-scientific/jobs/0a0efdfd9e33c59be430/) Thermo Fisher Scientific · Ottawa, Ontario, Canada ### [Mainframe Developer](https://jobs.opennash.com/companies/tata-consultancy-services/jobs/ee08cc5d8474ff29e773/) Tata Consultancy Services · Chennai ### [Mainframe Developer](https://jobs.opennash.com/companies/tata-consultancy-services/jobs/c9656677b4aa433b9197/) Tata Consultancy Services · Hyderabad [Software Engineering jobs](/functions/software-engineering/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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