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  • Engineering
  • Kyiv, Ukraine

Senior Software Engineer (Python) for Moonlock

  • Remote available
  • Full Time
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MacPaw is a software company, that develops and distributes software for macOS and iOS. Today, our products have more than 30 million users worldwide.

At MacPaw, we believe humans and technology can reach their greatest potential together. 

MacPaw is proud to be Ukrainian. The support and development of Ukraine are significant parts of the company’s culture. MacPaw gathers open-minded people who support each other and aspire to change the world around us.

Job Description Icon

MacPaw, the software powerhouse behind popular tools like CleanMyMac X, is seeking a Senior Software Engineer to join our brand-new Moonlock team.

Launched in 2023, Moonlock is all about creating accessible and effective cybersecurity solutions for Mac users. We're a tight-knit crew of experts building the first version of this awesome product, and we need your skills to make it rock!

Our Moonlock Engine tech already boosts the malware removal muscle in CleanMyMac X, and it's just the beginning. As part of the team, you'll double down on this tech, shape the future of Moonlock, and collaborate with some seriously smart folks.

Passionate about code and security? This role is tailor-made for you. Don't wait, apply and join the Moonlock team!

In this role, you will:

  • Implement robust authentication and authorization mechanisms to internal tools and environment
  • Work with ML outputs (LLM)
  • Implement and maintain secured storage for sensitive data
  • Analyze (how to do?) and validate (can be done?) technical solutions for business problems/ideas/needs. Suggest alternatives with reasoning about their pros and cons, decompose into technical tasks on your own
  • Develop architectural solutions for the product. Take responsibility for implementing these solutions and their adaptation to product changes in the future, and solve related technical conflicts with the engineering team
  • Investigate and analyze fatal issues and critical failures that happened on the product, and share this information with other engineers to avoid the same or related issues in the future
  • Communicate with the team(-s)/PM/EM to clarify implementation details, edge cases, specify input or missing data and possible usecases/flows in order to successfully implement a solution and make constructive collaborations if needed
  • Participate in growing engineering culture in the company by being an active early adopter of changes in engineering processes in order to ensure the successful implementation of Company engineering strategy

Skills you’ll need to bring:
  • 3+ years of development experience with Python
  • Solid experience in REST API development
  • Experience with web frameworks (Flask/FastAPI/Django)
  • Proficiency with relational databases like PostgreSQL
  • Strong sense of ownership, ability to self-manage and work independently, great communication skills
  • Great ability to prioritize tasks and manage time efficiently
  • At least an Intermediate level of English & fluent Ukrainian

As a plus:
  • General understanding of LLM and experience with OpenAI API, LangChain, Microservices Architecture, Distributed Systems
  • Familiarity with message brokers
  • General security domain knowledge
  • Experience with Vector databases

Meet a fellow MacPawian

Petro Shcherbatiuk
What’s the most exciting part of your job?
Of course, it’s when you can finally see results of days, weeks, sometimes months of your work. It can be both nerve-wracking and exciting at the same time

Petro Shcherbatiuk

Senior Software Engineer (Back-End)
What We Offer Icon

What We Offer

  • ‎We are a Ukrainian company, and we stand with Ukraine against russian aggression
    • We maintain workplaces and salaries for the mobilized Macpawians and provide financial support to colleagues or their families affected by the war. Here you also can read about MacPaw Foundation, which intends to help save the lives of Ukrainian defenders and provide relief to as many civilians as possible.
  • Hybrid work model
    • Whether to work remotely or at the hub is entirely up to you. If you decide to mix it, our Kyiv office, which works as a coworking space, is open around the clock. The office is supplied with UPS and Starlink for an uninterrupted work process. We also rent space in the Promprylad Coworking in Ivano-Frankivsk and reimburse the costs of renting a coworking space in any other city. If you decide to work at home, we cover the costs spent on your workspace organization: portable power stations, power banks, etc.
  • Your health always comes first
    • We guarantee life insurance starting on your first working day. Besides, we cover 100% of your medical insurance costs and 50% for your dependents. We also cover dental and massages and offer a 50% refund for psychotherapy.
  • Flexible working hours
    • You can choose a schedule that is comfortable for you. No one here tracks your clock in/clock out because MacPaw is built on trust and cooperation.
  • Space to grow both professionally and personally
    • Whatever your dreams and aspirations are, we got you. Education budget, annual development reviews, free English classes, and regular lectures. We also offer personal coaching with organizational coaches.
  • Teams we are proud of
    • We build honest, transparent, and reliable relationships within teams. Every Macpawian can improve processes and implement their ideas. We encourage open and constructive feedback and provide training for Macpawians on giving and receiving feedback.
  • Office designed for people (and pets)
    • Our office has it all. A spacious workplace with enough room for sitting up, lying down, and running around. A gym for recreation, fitness, and yoga. Cozy kitchens with coffee, snacks, and lunches. Sleeping/meditation rooms. A terrace with a view where we throw summer parties. Also, we have two cats living in the office, and you are welcome to bring your pets to the office (we have separate floors for cats and dogs).
  • Time-off policy that covers life’s needs
    • 20 vacation days, unlimited paid sick leaves, xDays (2 days a month to work on side projects), days for personal time-off designed to help you take care of essential matters in your personal life, and parental leaves. On top of all that, sabbaticals are open after 5 years of being with MacPaw.
  • Join social initiatives with MacPawCares
    • MacPaw participates in numerous humanitarian aid and charity projects across many fields, and you are welcome to jump in and spend up to 24 working days per year making the world a better place.

Here's how we hire

Steps may differ depending on the position, but this is our usual hiring process.

  • 01
    Introduction Call

    Introduction Call

    We’ll tell you about the role and MacPaw and ask you to tell us about your experience and aspirations.

  • 02
    Skills Assessment

    Skills Assessment

    This step may include additional interviews and/or test tasks to figure out whether your skills match the requirements for the role.

  • 03
    Final Interview

    Final Interview

    We want to learn more about you as a person and your approach to life. That’s also a great place for you to ask more about us.

  • 04
    Reference Check

    Reference Check

    We will ask you to share the contacts of up to 3 people you worked with for a quick reference check.

  • 05
    The Decision

    The Decision

    We love telling the good news and are ready to give you feedback if things don't work out.


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