MacOS Developer in abz.agency

IMPORTANT! Relevant as of February 13, 2026, 1 month Company Bootcamp.

We are seeking a specialist to join our long-term project which has been in production for several years and manages a high volume of requests per second. We are developing a new product version for the MacOS platform. As a member of our approximately 20-person team, you will play a crucial role in this new growing direction. The core business logic is already well-established and functioning seamlessly.

In collaboration with our existing Windows and web development teams, you will play a foundational role in establishing the MacOS version of our advanced freemium ad-blocking, privacy, and digital security software suite. 

Why we’re seeking new team members:

Due to our company's growth and the successful conclusion of new contracts for the year 2026, we are actively searching for talented and motivated professionals ready to join our team. Currently, 1 vacancy is open.

Test assignment

• 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: https://drive.google.com/file/d/13GWUWPgxo_n_6aXoPay8UnkT3nqqalVu/view

Our working conditions

• 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 year up to +50% (according to company regulations).
• Monthly individual bonus, PRO bonus, referral.
• English classes 2 times per week (groups of two people, after work hours).
• MacBook Pro 14/16, 4K monitor, stand, mouse, keyboard, comfortable chair.
• Company branded merchandise (T-shirt, hoodie, mug, thermos, massagers, sports kit and other). 
• 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

Requirements:

• 3+ 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.

Additional Skills (Nice to Have):

• 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.

Opportunities/benefits

• 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.