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Open nowPosted 62 days ago

iOS Software Developer

Bitdefender54 open roles

Where
Bucharest
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Your applicationOpen nowiOS Software DeveloperBitdefender · Bucharest

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  5. 34.4%30 days
This job: posted 62 days ago

The posting

Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide. Guardian over millions of consumer, enterprise, and government environments, Bitdefender is one of the industry’s most trusted experts for eliminating threats, protecting privacy, digital identity and data, and enabling cyber resilience. With deep investments in research and development, Bitdefender Labs discovers hundreds of new threats each minute and validates billions of threat queries daily. The company has pioneered breakthrough innovations in antimalware, IoT security, behavioral analytics, and artificial intelligence and its technology is licensed by more than 180 of the world’s most recognized technology brands. Founded in 2001, Bitdefender has customers in 170+ countries with offices around the world. For more information, visit https://www.bitdefender.com

About the job

Our mobile security stack is built SDK-first: the protection capabilities that power our consumer and partner apps — secure networking and VPN, web and scam protection, device security — ship as reusable iOS frameworks. We work in a shared, co-versioned codebase consumed by native and Flutter-based apps across the platform, and we are actively embracing the future of software development, including AI-assisted coding, test automation, and intelligent development workflows.

What we're looking for

We are looking for an inquisitive, technology-driven engineer with a strong programming foundation and a genuine interest in building software that other developers depend on. SDK work rewards clean API design, backward-compatibility discipline, and an instinct for what "stable" really means. You should be eager to learn, comfortable solving problems that range from well-defined to open-ended, and motivated to deliver software that meets Bitdefender's standards for quality, performance, and stability.

Ideally, you should have

  • 2+ years of software development experience, preferably building for iOS;
  • Proficiency in Swift — or strong fundamentals in another language and the ability to ramp up quickly; we value having built real software and being able to read and reason about code over mastery of any single language;
  • Fluency with the iOS toolchain — Xcode, Instruments, and the Simulator — and comfort profiling, debugging, and measuring what you ship;
  • Experience designing or maintaining reusable components, libraries, or SDKs — clean public APIs, sensible versioning, and an eye for what breaks downstream consumers;
  • Solid foundation in algorithms, data structures, and design patterns;
  • Comfort with concurrency and synchronization — modern Swift Concurrency (async/await, actors) and/or GCD, and an understanding of the data races they prevent;
  • The ability to write unit, integration, and functional tests to ensure code quality and coverage;
  • Familiarity with Agile methodologies and version control (Git);
  • Strong communication skills and fluency in English.

Bonus points for

  • Framework distribution know-how — XCFramework packaging, Swift Package Manager, binary vs. source distribution, and managing dependencies for library consumers;
  • Familiarity with iOS internals relevant to security and networking — NetworkExtension, background execution, Keychain, code signing, and entitlements;
  • AI-native development — AI coding tools (Claude Code, Cursor, Copilot) are already part of your workflow, with practical outcomes to show for it. Prompt engineering or agent-based workflows are a strong plus;
  • A natural openness to new technologies — you enjoy evaluating, prototyping, and adopting new tools and frameworks when they earn their place;
  • A Bachelor's degree in Computer Science, Engineering, or a related field;
  • A portfolio of past projects (e.g. GitHub, Bitbucket, or similar).

What you'll do

  • Contribute to the design, development, and evolution of Bitdefender's iOS security SDKs and the components that power them — owning features end to end, from public API to tests;
  • Care for the contract you expose: stable APIs, clean versioning, and changes that don't surprise the apps that depend on you;
  • Write and maintain unit, integration, and functional tests to ensure robust coverage and long-term code health;
  • Apply AI-assisted development workflows in your daily practice — using tools like Claude Code, Cursor, or GitHub Copilot for code generation, test scaffolding, and review acceleration;
  • Collaborate with Product Owners, QA engineers, and other developers in an Agile Scrum environment;
  • Continuously evaluate and adopt new tools, frameworks, and technologies to improve the efficiency and effectiveness of our development process.

#LI-BM1

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