Python Tech Lead

Join our dynamic team at ajax as a Python Tech Lead where you will play a pivotal role in guiding our development efforts. We are looking for an enthusiastic leader who is passionate about technology and can inspire a team of developers to produce high-quality software solutions.Your responsibilities will include overseeing project development, mentoring tea…

Join Skelar, a leading venture builder dedicated to crafting innovative IT products that resonate on a global scale.We are currently seeking a Senior/Lead Backend Engineer to spearhead our martech initiatives within our partner company, Duomo. This platform is designed for personal and spiritual development, rooted in Christian values, providing users with customized plans to address pivotal life questions.At Duomo, we strive to create a global community where millions of Christians, organizations, mentors, and pastors can connect and grow together.Our achievements speak volumes:Users love us: Our average ratings across App Store, Google Play, and Trustpilot stand at an impressive 4.7/5.Rapid growth: Over the past year, our team has expanded fourfold.Trusted by Meta: Our partnership with Meta underscores the quality and trustworthiness of our product.We are evolving rapidly, offering every team member the opportunity to grow both professionally and personally. Our commitment to learning includes mentorship, internal education initiatives, and access to external courses.Additionally, we are integrating AI tools throughout our processes, using MCP server integrations, AI Code Review, and automation to enhance creativity and innovation.

Speechify’s mission is to make reading accessible for everyone. Over 50 million people use our text-to-speech technology to turn everything from PDFs to news articles into audio, helping them read faster and remember more. Our products span iOS, Android, Mac, Chrome Extension, and Web App. We’ve been recognized as Chrome Extension of the Year by Google and received a Design Award from Apple in 2025. Our fully distributed team of about 200 includes frontend and backend engineers, AI researchers, and veterans from companies like Amazon, Microsoft, and Google. We also work alongside alumni from Stanford and founders of startups such as Stripe and Vercel. Role overview Speechify’s Android app leads the Play Store in text-to-speech. We’re hiring a Tech Lead for Android Core Product to guide feature development and improve the app’s core experience. This role is ideal for someone who thinks strategically, enjoys quick-moving projects, and cares about delivering a polished user experience. What you will do Lead technical direction for Speechify’s Android app Drive new feature development and refine existing functionality Collaborate with a global team in a flat structure that values technical leadership and results Promote high standards for code quality, performance, and user experience What we look for Strong work ethic and a drive to achieve results Clear, effective communication skills Experience leading Android development projects Comfort working in a distributed, collaborative environment Competitive spirit and a focus on delivering for users Interview process The interview process includes several technical interviews, usually completed within one week. Location This role is based in Kyiv, Ukraine.

Role overview Wix Payments seeks a Backend Engineer based in Kyiv to strengthen the systems behind payment processing for Wix users. The focus is on backend development, supporting smooth and reliable transactions across the platform. What you will do Design, build, and maintain backend features for the Wix Payments platform Collaborate with colleagues from other teams to deliver dependable payment services Help improve the stability and efficiency of transaction processing Impact This role directly supports secure and seamless payment flows for Wix users. Enhancements made here will influence the reliability and performance of payment operations throughout the platform.

Role overview Vacancies seeks a Mobile Product Manager in Kyiv to guide the development and ongoing enhancement of mobile products. The position centers on improving user experience and increasing engagement. Collaboration is key, as the role works closely with design, engineering, and marketing teams to shape the product vision and execute on strategy. What you will do Partner with design, engineering, and marketing to define and deliver product strategy Conduct market research to spot trends and identify new opportunities Collect and analyze user feedback to guide product decisions Create and update product roadmaps Set and monitor key performance indicators (KPIs) to evaluate product success Requirements Strong interest in mobile technology Keen attention to detail Experience collaborating with cross-functional teams This Kyiv-based role offers the opportunity to influence the direction of Vacancies' mobile products while working with a supportive and collaborative team.

Join our dynamic team at Artman Studio! We are a passionate group of developers specializing in Game Art & Animation, dedicated to crafting unique and high-quality content for the iGaming industry. We are currently seeking a talented Game Designer with experience in creating slot games. The ideal candidate will blend creativity with a deep understanding of game mechanics and possess strong system thinking skills.

SKELAR is a venture builder dedicated to creating international product-oriented IT companies following the principles of the venture capital world. Together with co-founders, we assemble strong teams to launch product-focused IT businesses and excel in global markets.Currently, we are in search of a Senior Backend Engineer for our partner company.This platform focuses on personal and spiritual growth, built on Christian values. We assist individuals in finding answers to life’s most significant questions: from a deeper understanding of faith to enhancing relationships through personalized plans. Our users have access to lessons, interactive quizzes, and video materials, creating a holistic learning experience.Our strategy is to become a global platform where tens of millions of Christians, hundreds of organizations, and thousands of mentors and pastors can interact.Key Achievements We Are Proud Of:Users love us: our average rating on App Store, Google Play, and Trustpilot is 4.7/5.We are rapidly growing: our team has increased fourfold in the last year.We are a partner of Meta, confirming the high level of our product and the trust of technological leaders.We are evolving at an incredible pace, providing every team member the opportunity to grow rapidly alongside the company—both professionally and personally. The company supports learning through mentoring, internal educational initiatives, and access to external courses.It is worth noting that we extensively integrate AI tools into all processes. We are already utilizing integrations with MCP servers in daily tools, AI Code Review, and automation of key routine tasks. This allows us to focus on creativity and innovation instead of routine tasks.

Howly is a dynamic Ukrainian multi-product company operating within the venture builder SKELAR. We are dedicated to creating innovative products for users in the global professional services market. Over the past four years, we have successfully launched four products and expanded our team to over 300 talented individuals.Our mission at Howly is to foster a global business environment with well-established processes and users worldwide, while retaining the energetic spirit of a startup—operating flexibly, enthusiastically, and without unnecessary bureaucracy.SKELAR serves as a venture builder that develops international product-oriented IT companies in line with venture investment principles. We collaborate with co-founders to assemble strong teams, launch product-driven IT businesses, and achieve success in global markets.We are currently seeking a passionate Strategy Associate to join our team at Howly!Our portfolio includes four powerful products that operate in international markets:1. Intelligent Document Automation:Eliminating routine tasks, our product streamlines document handling, allowing users to focus on more critical responsibilities.2. Career Growth Platform:We empower individuals to advance their careers through a platform offering opportunities for development, from resume building to career consulting, paving the way from potential to realized ambitions.3. AI Job Search and Automated Resume & Cover Letter Creation:We assist individuals in finding jobs quicker through AI-driven job searches and one-click resume and cover letter generation. Our service reduces routine work, enhances application relevance, and helps candidates better position themselves for specific roles.4. Technical Talent Marketplace:We connect technical experts with those seeking their expertise—a marketplace where specialists and users can swiftly find one another.One year ago, we initiated an R&D direction, where four small yet robust teams are already working on new product development.Challenges awaiting our Strategy Associate include:— Developing an effective analytical process to identify new niches for our R&D launches;— Actively participating in the management of our existing product portfolio (analyzing unit economics, identifying growth areas, and optimizing business processes);— Taking ownership of and analyzing the financial model of our products and the overall business;— Crafting a business development strategy.What we value:— A minimum of 2+ years of experience in consulting or investments (BIG4, venture capital, private equity, valuation, or deal advisory);— A passion for business: results-oriented with a desire to make an impact;— Professional values: commitment to collective success and continuous improvement.

Howly is a dynamic Ukrainian multi-product company operating within the venture builder SKELAR. We are dedicated to creating innovative products for users in the global professional services market. Over the past four years, we have successfully launched four products and expanded our team to over 300 talented individuals.Howly operates as a global business with established processes and a wide user base around the world, while maintaining the agility and enthusiasm typical of a startup, free from unnecessary bureaucracy.SKELAR is a venture builder focused on developing international product IT companies according to the principles of venture investment. Together with co-founders, we assemble strong teams to launch product-driven IT businesses and achieve success in global markets.We are currently seeking a Strategy and Growth Manager to join Howly!Our portfolio includes four powerful products operating in international markets:1. Smart Document Automation:We eliminate routine tasks—our product simplifies document management so that users can focus on more important challenges.2. Career Growth Platform:We empower individuals to grow—the platform opens opportunities for career development, from resume building to career consulting, paving the way from potential to realized ambitions.3. AI Job Search and Automated Resume & Cover Letter Creation:We help people find jobs faster. Utilizing AI, we streamline job searches and automatically generate resumes and cover letters with a single click, enhancing the relevance of applications and assisting users in better positioning themselves for specific roles.4. Technical Talent Marketplace:We connect technical specialists with those seeking their expertise—a marketplace where experts and users can quickly find each other.A year ago, we initiated an R&D direction, where four small but strong teams are already working on new products.Key Challenges for the Strategy and Growth Manager:— Develop an effective analytical process to identify new niches for launching our R&D initiatives;— Actively participate in managing our existing product portfolio (analyzing unit economics, identifying growth and optimization areas for business processes);— Take ownership of and analyze the financial model of our products and the entire business;— Formulate business development strategies.What We Value:— Minimum of 2 years of experience in consulting or investments (BIG4, venture capital, private equity, valuation or deal advisory);— A passion for business: results-oriented with a desire to make an impact;— Professional integrity: we appreciate strong ethical values and commitment to excellence.

We are seeking a dynamic and results-oriented Product Manager to lead our Point of Sale (POS) product initiatives. In this role, you will take full ownership of our products from their inception through to production, ensuring that they meet customer needs and market demands.Assume complete responsibility for the product life cycle, conducting thorough market analysis, data assessment, and user research to guide product development.Define wireframes and key performance indicators (KPIs), and oversee the development process to ensure timely and high-quality releases.Foster strong relationships with Product Managers and cross-functional teams within Wix to ensure alignment and collaboration.Collaborate with a diverse array of talented professionals across various disciplines to successfully bring your product to market.Engage directly with users and our Customer Care team, analyze feedback and usability data, and perform usability testing to continuously enhance the product.Play a pivotal role in shaping the product roadmap and strategy.

Join our dynamic team at wix2 as a Frontend Engineer. In this pivotal role, you will leverage your skills in modern web technologies to create visually appealing and highly functional user interfaces. You will collaborate closely with designers and backend engineers to deliver seamless web experiences that delight our users.

Hello!We are on the lookout for a talented Junior/Middle Software Engineer specializing in Go to join Guru Apps (part of Universe Group) – a thriving iOS ecosystem with over 100 million downloads across 186 countries (including Cleaner Guru, Scan Guru, and Visify) and an impressive average rating of 4.6 on the App Store.This is an opportunity focused on progressive development, as nearly all new backend services and products within our ecosystem are launched using Go, featuring high-load capabilities in production, complex business logic, and direct impact on a million-strong audience.You’ll fit right in if you’re eager to:Develop new backend services in Go for products with a global audience while working on Core systems that serve all ecosystem products.Design high-load solutions and witness their real-world performance in production— from initial release to scaling under millions of loads.Take full engineering ownership – from architectural decisions to releases, stability, and ongoing service evolution.Enhance your technical expertise by working with high-load architectures and modern tech stacks (Go, Kubernetes, AWS, Prometheus, OTEL), integrating cutting-edge approaches in backend development.Make a tangible impact on the product – we value engineering insights and technical suggestions, with your contributions directly reflected in products that reach millions.Collaborate within an ambitious team of like-minded peers who don’t just write code but build scalable solutions, sharing knowledge and best practices across the Universe Group.Thrive in a fast-paced decision-making environment – minimal bureaucracy, extensive collaboration, and real influence without lengthy approvals.Challenges you will tackle with your future colleagues:Development of analytical and marketing platforms, which form the basis of user attribution, event processing, and product and business decision-making...

Join us as a Product Manager who is ready to take charge of results and be a part of the future of our unicorn journey!Guru Apps, a division of Universe Group, develops mobile applications that lead in two key areas: utilities and AI. Our most popular apps include Cleaner Guru, Scan Guru, Assist Guru, and Visify.Our Achievements:Over 100 million downloads globally.Average user rating of 4.6 on the App Store.More than 6 products in our portfolio.Our products rank at the top of their niches. In October 2024, Cleaner Guru topped the App Store rankings in the USA, Canada, and Australia, surpassing Instagram, Temu, ChatGPT, and TikTok. By 2025, another product, Visify, achieved similar success.We have our own R&D lab that creates new products and helps the business scale.If you want to see how we launch apps in just a week, test hundreds of ideas, and scale products already in the pockets of users, check out our video about Guru Apps.Meet Bohdan and Maksym — our leaders in the product team at Guru Apps . Bohdan joined the team nearly three years ago with extensive marketing experience, growing from Product Manager to Head of Product while building strong expertise in product development and scaling.

Join SKELAR, a pioneering venture builder committed to establishing international tech businesses. We partner with co-founders to assemble strong teams that excel in global markets.Currently, SKELAR manages a diverse portfolio of businesses across various sectors, from EdTech to marketplaces. Our ventures have been recognized as top startups and product companies in Ukraine, featuring prominently in AppStore rankings and creating platforms used by millions. Notable media outlets like TechCrunch and Wired have covered our businesses.We take pride in our robust team of over 1,000 specialists, each possessing exceptional expertise and ambitious goals. Our people are our greatest asset, and we strive to build businesses alongside the best talent available.We are currently seeking a Golang Backend Team Lead for PawChamp, a mobile application and online platform designed for dog owners. PawChamp enables pet parents to train their dogs and learn more about care and training through 24/7 chats with experts, the AI companion Pawchie, and educational materials developed in collaboration with dog trainers. Our aim is to provide personalized daily lessons covering all aspects of dog training, from basic commands to addressing behavioral issues. Our strategic goal is to become the leading player in the global online dog training market, fulfilling all needs of pet parents and their dogs beyond training.In October 2025, we earned the title of Product of the Day on Product Hunt.App Store rating: 4.8Intro video about the product: https://www.youtube.com/watch?v=D3vURwhmufgKey Challenges:Enhancing the backend for our mobile products and the PawChamp web platform.Leading, coordinating, and developing the backend development team.Collaborating with stakeholders.Ensuring high code quality and adherence to best development practices within the team.Interacting with adjacent teams to improve system component interaction and optimize processes.Enhancing code, architecture, services, and development approaches.What We Value:

Join our dynamic team at Miratech as a Sales & Marketing Coordinator Intern! This exciting opportunity will allow you to gain hands-on experience in the fields of sales and marketing while working in a collaborative environment. As an intern, you will support our business development efforts, assisting in the creation and execution of marketing strategies, and contributing to sales initiatives.

TENTENS Tech is a dynamic IT partner of SKELAR, a Ukrainian venture builder focused on creating international tech businesses.We design social discovery platforms catering to over 20 million users globally. Our rapid pace and scale are driven by deep expertise in analytics, high-load systems, and performance marketing.Our team at TENTENS Tech comprises over 250 professionals, where each member acts like a CEO in their role, contributing to our collective success. We operate with a 10/10ths mindset: we stay focused on our goals, ask the right questions along the way, and never settle for 'good enough'—only maximum performance and continuous improvement. If you resonate with this description and are ready to accelerate with us, let's connect!We are currently seeking a Backend Engineer (PHP) to elevate our performance standards together.

Role overview Playtech seeks a Business Analyst in Kyiv to help drive product development. This position connects with teams across the company to clarify business needs, explore solution options, and influence the direction of product strategy. What you will do Analyze business requirements and turn them into clear, actionable insights Work closely with teams from various departments throughout the product development cycle Support decisions with data for both current and upcoming projects Contribute to defining and improving product strategy through business analysis Location This role is based in Kyiv.

Wargaming.net seeks a Level Artist in Kyiv to help shape immersive game worlds. This position works closely with designers and other artists to develop environments that enhance gameplay and capture players’ attention. What you will do Collaborate with design and art teams to craft detailed, visually rich game levels Focus on building environments that support gameplay and storytelling Requirements Experience working as a level artist or in a similar game art role Ability to create environments that are both visually appealing and functional for gameplay Strong teamwork and communication skills

SKELAR is a venture builder dedicated to creating international product-oriented IT companies, following the principles of the venture investment world. Together with co-founders, we assemble strong teams to launch product-based IT businesses and succeed in global markets. RiseGuide is an EdTech product designed for self-improvement, built on examples and principles from outstanding role models. Our users overcome harmful habits by following advice from Andrew Huberman and Simon Sinek, enhance their social media skills using playbooks from Alex Hormozi and MrBeast, and cultivate their charisma inspired by principles from Robert Downey Jr. and Steve Jobs. We aim to redefine the self-improvement industry and provide users with on-demand access to expert experiences.Key Facts about RiseGuide:— Achieved unit economics within 6 weeks and have been scaling actively since;— Over 500,000 paying users, with ratings of 4.6/5 on the App Store and 4.4/5 on TrustPilot;— Ranked top 2 in revenue among SKELAR launches in recent years;— A team of over 70 individuals from BetterMe, Welltech, Jooble, and leading management programs worldwide.We are currently seeking a SMM Manager to expand RiseGuide in global markets and build a trend-setting brand. Challenges Awaiting You:1. Development and launch of social media channels (YouTube, Instagram) as strategic media assets for the brand:— Creation of viral content that converts viewers into users and attracts stars for collaborations;— Testing hypotheses, formats, and segments: from educational shows to interviews with celebrities;— Building a rapid production process: from idea and script to final editing, with a focus on systematic and predictable results.2. Brand expansion through stars and experts:— Organizing collaborations with top experts and influencers to create joint content;— Promoting courses featuring stars signed on the platform, transforming our social media into a powerful media asset;— Creating informational triggers around the brand that become viral in the self-improvement niche.3. Ownership and development of the social media team:— Hiring and managing a team (scriptwriters, motion designers, etc.);— Responsibility for achieving business metrics (reach, subscribers, conversions) and effective resource utilization.What We Value:— Proven experience in building and scaling SMM for mobile applications or media projects from the ground up;— Understanding of social media algorithms (YouTube, Instagram, TikTok, Facebook);— Ability to identify growth points, comprehend platform algorithms, and implement ROI-positive content initiatives;— Deep understanding of the video content creation cycle (YouTube, Reels), knowledge of retention metrics, CTR, and virality mechanics;— Entrepreneurial mindset and a passion for innovation.

Join our innovative team as a Senior Front End Engineer and leverage your expertise in crafting sleek, responsive, and user-centric interfaces. With over 5 years of professional experience, you will play a pivotal role in enabling real-time control and monitoring of cutting-edge robotic swarms and sensor systems, directly enhancing the usability and performance of our groundbreaking robotics solutions.Your Daily Responsibilities:Design, develop, and optimize frontend applications for effective control and visualization of robotic swarms and sensor data.Collaborate with backend engineers to integrate APIs, ensuring a seamless data flow between frontend and backend systems.Create intuitive, high-performance, and responsive user interfaces using modern frameworks like React or similar.Engage closely with UX/UI designers to convert designs into functional applications.Maintain code quality, scalability, and readability through best practices and thorough code reviews.Identify and resolve frontend performance issues to optimize real-time applications.