MacOS Developer

• The vacancy involves a test assignment as one step in the hiring process. It is quite basic - just to test your Objective C/Swift skills.
• The Company may, at its sole discretion, not provide applicants with the reason for being rejected and technical details of the test completed.
• Once getting to the 3rd stage of the interview, the candidate will have the opportunity to receive feedback from a technical specialist regarding your test task including technical details.
• Link to the test assignment:

• Our offices are well equipped for power outages: gasoline generator, EcoFlow Delta portable power station provides electricity for devices and standby lightning, Fiber optic internet provider, Starlink provide access to the internet.
• First month will be a paid Company Bootcamp period.
• Company Bootcamp period paid as fixed monthly payment in UAH.
• Always stable and on time salary.
• We work officially (Private Entrepreneur by contract);
• Salary is calculated in $/h, with loads of 160 to 200 or more hours per month (all spent time is paid);
• Additionally: company pays Bench as 75% from rate and FuckUp pays as 50% from rate.
• Revision of the hourly rate every six months up to +50% (according to company regulations).
• Quarterly bonus, project performance based.
• English classes 2 times per week (groups of two people, after work hours).
• MacBook Pro 14/16, 4K monitor, stand, mouse, keyboard, headphones, comfortable chair, company branded T-shirt and mug.
• Working day from 8:00 to 17:00 (The plan for the day is made at the stand-up meeting and must be accomplished (considering common sense) within the day according to the checkpoints. After accepting the work, the PM finalizes the working day).
• Breakfast, lunches and other things in the kitchen at the expense of the company (coffee, tea, cookies, sweets, yogurts and drinks in the refrigerator).
• Work in one of 3 our offices (5−15 minutes walking distance from metro station):

• К1 (М) Osokorky
• К3 (М) Taras Shevchenko
• К4 (М) Pozniaky

• 5+ years of low level Objective C and/or Swift programming experience with a significant focus on MacOS development.
• Strong understanding of MacOS networking: TCP/IP, DNS (SEC), HTTP (S), SSL/TLS, etc.
• Knowledge of MacOS system internals, permissions, and sandboxing.
• Understanding of OOP and SOLID principles.

• Familiarity with NetworkExtension framework and SystemExtensions.
• Experience with service management (launchd), keychain services API, and MacOS code signing/notarization.
• Familiarity with Apple entitlement management, provisioning, and user permission workflows.
• Knowledge of CI/CD, MacOS distribution (PKG installer and DMG image).
• Familiarity with adblocking filter list formats and adblocking ecosystem (e.g., EasyList, AdGuard).
• Familiarity with OpenSSL, mitmproxy, or similar libraries/tools.
• Out-of-the-box thinking.

• Personal Development: Employees develop their Personal Development Plan (PDP) with a mentor, focusing on skill and knowledge enhancement.
• Regular Salary Review: Salaries are reviewed biannually based on PDP accomplishments and other performance indicators.
• Opportunity to learn/improve skills in other languages: Employees have an opportunity to learn or improve their skills in Go, С++, Kotlin/Java, PHP, NodeJS, TypeScript, modern frontend frameworks like Vue/React or browser extensions development as part of the PDP (personal development plan) program.
• Team Support and Collaboration: Work alongside experienced colleagues and project managers who provide guidance and assistance with complex tasks.
• Code Review and Quality Assurance: Strict processes are in place for peer code review and QA to ensure high-quality outputs.
• Learning New Technologies: Employees are encouraged to systematically explore and learn about new technologies and fields relevant to their roles.
• Kanban Methodology for Task Management: The company uses «Scrumban» (our own flavor of Kanban system with Scrum elements) for effective planning and execution of daily tasks.

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