Sofia, Sofia-City, Bulgaria · Hybrid
Job Description Tieto Tech Consulting (MentorMate from 2001 to 2026) provides design-led, data-centric, and AI-powered digital engineering & consulting services to enterprises worldwide. With a strong heritage of Nordic …
Skills: React Native, JavaScript, TypeScript, Redux, Redux Toolkit
Sofia, Sofia-City, Bulgaria · Hybrid
Job Description Tieto Tech Consulting (MentorMate from 2001 to 2026) provides design-led, data-centric, and AI-powered digital engineering & consulting services to enterprises worldwide. With a strong heritage of Nordic …
Skills: React Native, JavaScript, TypeScript, Redux, Redux Toolkit
Sofia, Sofia-City, Bulgaria · Hybrid
Job Description Tieto Tech Consulting (MentorMate from 2001 to 2009) is looking for a highly skilled and motivated Roaming Business Expert, a professional who will join a project within a Telecom Team for our respectful …
Skills: IOT Negotiations, Contract Management, Financial Reconciliation, Roaming Pricing Strategy, GSMA Standards
Sofia, Sofia-City, Bulgaria · Hybrid
Job Description Tieto Tech Consulting (MentorMate from 2001 to 2009) is looking for a highly skilled and motivated Roaming Business Expert, a professional who will join a project within a Telecom Team for our respectful …
Skills: IOT Negotiation, Roaming Business Management, Contract Management, Financial Reconciliation, Commercial Strategy
Sofia, Sofia-City, Bulgaria · Hybrid
Job Description Tieto Tech Consulting (MentorMate from 2001 to 2026) provides design-led, data-centric, and AI-powered digital engineering & consulting services to enterprises worldwide. With a strong heritage of Nordic …
Skills: Node.js, React, TypeScript, Tailwind, MongoDB
Sofia, Sofia-City, Bulgaria · Hybrid
Job Description Tieto Tech Consulting (MentorMate from 2001 to 2026) provides design-led, data-centric, and AI-powered digital engineering & consulting services to enterprises worldwide. With a strong heritage of Nordic …
Skills: Node.js, React, TypeScript, Tailwind, MongoDB
Sofia, Sofia-City, Bulgaria · Remote OK
Job Description Tieto Tech Consulting (MentorMate from 2001 to 2026) provides design-led, data-centric, and AI-powered digital engineering & consulting services to enterprises worldwide. With a strong heritage of Nordic …
Skills: Databricks, Apache Spark, PySpark, Delta Lake, Lakehouse Architecture
Sofia, Sofia-City, Bulgaria · Remote OK
Job Description Tieto Tech Consulting (MentorMate from 2001 to 2026) provides design-led, data-centric, and AI-powered digital engineering & consulting services to enterprises worldwide. Key responsibilities Design and d…
Skills: Spark/PySpark, SQL, Python, Databricks, ETL/ELT
Sofia, Sofia-City, Bulgaria · Hybrid
Company Description Fastmarkets is an industry-leading price-reporting agency (PRA) and information provider for global commodities, providing price data, news, analytics and events for the agriculture, forest products, …
Skills: Windows Troubleshooting, MacOS Support, Microsoft 365, Intune, Entra ID
Sofia, Sofia-City, Bulgaria · On-site
Company Description Fastmarkets is an industry-leading price-reporting agency (PRA) and information provider for global commodities, providing price data, news, analytics and events for the agriculture, forest products, …
Skills: Microsoft Intune, Microsoft 365 Administration, Entra ID, Windows Support, Mac Support
Sofia, Sofia-City, Bulgaria · On-site
Company Description Fastmarkets is an industry-leading price-reporting agency (PRA) and information provider for global commodities, providing price data, news, analytics and events for the agriculture, forest products, …
Skills: Jira Service Management, ITIL v4, Atlassian Ecosystem, Workflow Design, SLA Management
Sofia, Sofia-City, Bulgaria · On-site
Company Description Fastmarkets is an industry-leading price-reporting agency (PRA) and information provider for global commodities, providing price data, news, analytics and events for the agriculture, forest products, …
Skills: .NET, C#, Microsoft Azure, SQL Server, CosmosDB
Sofia, Sofia-City, Bulgaria · Hybrid
Yotpo is leading the next era of trust and loyalty in eCommerce. With AI-powered Reviews and Loyalty solutions, we help brands turn browsers into customers and customers into advocates. Through deep integrations across t…
Skills: Jira Administration, Salesforce Configuration, HR System Administration, AI Tools, Analytical Thinking
Sofia, Sofia-City, Bulgaria · On-site
Company Description Fastmarkets is an industry-leading price-reporting agency (PRA) and information provider for global commodities, providing price data, news, analytics and events for the agriculture, forest products, …
Skills: Salesforce Configuration, Apex, Lightning Web Components, Salesforce Flow, SOQL
Sofia, Sofia-City, Bulgaria · On-site
Company Description About Playtech Founded in 1999, the company has a premium listing on the main Market of the London Stock Exchange and is focused on regulated and regulating markets across its B2B and B2C businesses. …
Skills: Customer Onboarding, KYC, Registration Flows, Risk-Based Onboarding, Regulatory Compliance
Sofia, Sofia-City, Bulgaria · Remote Solely
$30k–$55k/yr
The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news artic…
Skills: Swift, SwiftUI, Multithreading Programming, CI/CD, Fastlane
Sofia, Sofia-City, Bulgaria · Remote OK
$30k–$55k/yr
Mission Speechify is the easiest way to listen to the world’s information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own …
Skills: Kotlin Multiplatform, Systems Thinking, API Design, GCP, Kotlin
Sofia, Sofia-City, Bulgaria · Remote Solely
$30k–$55k/yr
The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news artic…
Skills: Kotlin, Kotlin Coroutines, Kotlin Flow, Dagger 2, MVVM
Sofia, Sofia-City, Bulgaria · Remote OK
AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, a…
Skills: Manual Testing, Automation Testing, API Testing, UI Testing, Test Design
Sofia, Sofia-City, Bulgaria · Remote OK
We’re looking for a Network Engineer who thrives on turning customer requirements into fully functional network services. This role sits at the heart of service delivery, where design meets execution — configuring, provi…
Skills: SD-WAN, MPLS, BGP, VPN, QoS
Sofia, Sofia-City, Bulgaria • Hybrid
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Architect, develop, and maintain high-quality mobile applications using React Native and Redux. Collaborate with cross-functional teams to implement scalable solutions and mentor junior developers.
Requires over 5 years of JavaScript/TypeScript experience and at least 3 years of hands-on React Native expertise. Proficiency in state management, RESTful APIs, and mobile deployment processes is essential.
Tieto Tech Consulting (MentorMate from 2001 to 2026) provides design-led, data-centric, and AI-powered digital engineering & consulting services to enterprises worldwide. With a strong heritage of Nordic quality, local presence, and global-scale operations, we are backed by 8,500+ IT professionals. Our clients trust us for advanced data and analytics skills, top industry-specific expertise, specialized software R&D, and the capabilities of a multinational team. We are part of Tieto, a leading technology company with an annual revenue of approximately EUR 2bn.
Tieto Tech Consulting’s team in Bulgaria consists of 500+ professionals specializing in the development of tailored digital solutions in diverse industries.
About the role
We are looking to hire a React Native Engineer to join our growing team and lead the development of high-quality mobile applications. You will play a key role in designing and implementing scalable, performant, and user-friendly mobile solutions using React Native, with a strong emphasis on modern JavaScript (ES6+), state management, and clean architecture. This role is ideal for someone who thrives in a collaborative environment, enjoys solving complex problems, and is passionate about delivering impactful solutions.
Responsibilities
Architect, develop, and maintain mobile applications using React Native
Collaborate with cross-functional teams including product, design, and backend engineers
Implement and manage state management using Redux and Redux Toolkit
Ensure code quality through unit testing, code reviews, and adherence to best practices
Optimize application performance and responsiveness across platforms
Stay up-to-date with the latest mobile development trends and technologies
Mentor junior developers and contribute to team growth
Requirements
5+ years of professional experience in JavaScript/TypeScript
3+ years of hands-on experience with React Native
Strong understanding of ES6+ features and modern JavaScript practices
Deep knowledge of Redux, Redux Toolkit, and application state management
Experience with RESTful APIs, mobile UI/UX patterns, and performance optimization
Familiarity with CI/CD pipelines and mobile app deployment (App Store / Google Play)
Excellent problem-solving skills and attention to detail
Strong communication and collaboration skills
A significant advantage would be
Familiarity with native modules and bridging between React Native and native code (iOS/Android)
Knowledge of accessibility standards and inclusive design practices
Experience with analytics, crash reporting, and monitoring tools
At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.
Unlocking lasting impact with software and technology consulting services.
View all jobs at TietoThere are currently 440 open technology positions in Sofia, Bulgaria listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Tieto, Hewlett Packard Enterprise, Devexperts, SAP, Playtech, among others. Browse the listings above to see every active employer.
Yes — 317 of the 440 open technology positions offer remote or hybrid work (79 remote, 238 hybrid).
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