Newxel

Backend Engineer

• Develop and maintain endpoint security features for macOS with a strong focus on performance and reliability
• Take full ownership of features across the development lifecycle, including implementation, support, and maintenance.
• Work closely with QA teams in Sweden and R&D team in Tel Aviv to ensure thorough testing and high-quality delivery
• Provide technical guidance and support through direct interaction with customers
• Drive automation and continuous improvement in development processes

Senior C++ Software Engineer, macOS, Endpoint Security

Data Engineer

• Building and maintaining ETLs
• Developing and maintaining data pipelines across the company
• Integrating new data sources, APIs, and reports
• Organizing and storing data efficiently in databases
• Working with SQL-based systems (and NoSQL as a plus)
• Supporting the Data Science team by bringing machine learning models into production
• Building backend infrastructure to support ML workflows
• Ensuring scalable and reliable deployment of models and data workflows

Senior Data Engineer

Full-stack Engineer

• Designing and developing advanced UI features and dashboards (React + JavaScript / TypeScript)
• Working with complex flows, graphs, visualizations, and large-scale data interactions
• Owning features end-to-end: design, architecture, implementation, testing, deployment
• Working across the stack: primarily frontend, with meaningful backend and server-side work
• Building and maintaining server-side logic, APIs, and integrations as part of the feature lifecycle
• Collaborating closely with product, backend, and data teams on requirements and solutions
• Troubleshooting bugs and performance issues (roughly 50% of the workload over time)
• Working in cloud-native environments (AWS)
• Using AI-assisted development tools to improve productivity and quality
• Contributing to code quality, performance, scalability, and maintainability

Full-Stack Developer

Software Engineer

• Work closely with the existing Ukraine team and the parent company to understand requirements, set goals, and meet deadlines
• Provide input on design ideas for new products and components
• Develop intuitive, efficient, and visually appealing mobile interfaces for new projects
• Maintain and improve current products
• Research new technologies as needed
• Collaborate with backend developers to achieve balanced performance

Senior Mobile Developer

• Design and develop scalable RESTful APIs for mobile and web applications
• Build and maintain modular content systems with flexible schemas and validation rules
• Work with complex MongoDB data models, aggregations, and indexes
• Develop content processing pipelines (lyrics analysis, translations, synchronization)
• Implement content management workflows, including approval and moderation flows
• Optimize database performance and backend services at scale
• Integrate third-party services (music APIs, payment providers, AI translation models)
• Collaborate closely with frontend and mobile teams to deliver seamless user experiences

Backend Developer – Node.js

Frontend Engineer

• Be responsible for the development and delivery of our UI sports products using React, Typescript and unique video editing functionality.
• Design and develop a robust JS SDK that incorporates media players and UI elements into various web applications.
• Work both autonomously and collaboratively across disciplines with Product, UX Designers, QA Engineers, and Developers.
• Be a part of our frontend guild where we mentor engineers and discuss technological innovations and best practices in the frontend space

Senior Frontend Developer

• Design and development of scalable and efficient Data Pipelines and Models
• Develop and implement ETL processes to ensure efficient loading of data from various sources
• Implement best practices for data pipelines, data warehouse and database performance tuning
• Execute end-to-end BI and data engineering solutions using leading frameworks and technologies
• Serve as the primary Data focal point for internal customers
• Write high-quality, maintainable code in a rich data environment
• Work closely with Product, R&D, Operations, and Business teams to ensure seamless integration and delivery of BI and Data solutions

Operations

• Analyze large datasets to extract insights and drive operational improvements
• Collaborate with product managers, operations teams, and other analysts to optimize workflows and internal tools
• Create dashboards, pipelines, and reports to support data-driven decision-making
• Support automation initiatives and leverage AI technologies to enhance content creation and analytics processes

Data & Operations Analyst

QA Engineer

• Design, develop, and execute automated test scripts using Java, Selenium, and related frameworks
• Collaborate with cross-functional teams to define test scenarios, test cases, and acceptance criteria
• Identify, document, and report bugs while working closely with developers to ensure timely resolution
• Maintain and enhance existing test automation frameworks and infrastructure
• Conduct code reviews and provide constructive feedback on automation practices
• Integrate automated tests into CI/CD pipelines (Jenkins, GitLab CI, or similar)
• Generate and present detailed test reports with insights on quality and stability
• Perform RESTful API testing using Postman, RestAssured, or similar tools
• Troubleshoot and debug automation issues to ensure quick resolution
• Stay current with the latest QA automation trends and best practices.

Senior Automation QA

Android Engineer

• Work closely with Product, Data, and Design teams to build intuitive Android & iOS apps
• Build features using Jetpack Compose and modern Android architecture within a Kotlin Multiplatform (KMP) codebase
• Ensure code stability, performance, and security in a dynamic release cycle
• Take part in technical discussions, code reviews, and architectural decisions
• Contribute to a collaborative and inclusive engineering culture

Senior Android Developer

• Design, develop, and deliver high-quality, scalable UI features using React, TypeScript, and modern web technologies
• Collaborate with Product Managers, UX Designers, QA Engineers, and fellow developers throughout the full development lifecycle
• Take part in the Frontend Guild—support mentoring initiatives, share best practices, and stay up to date with emerging frontend technologies and trends

Senior Frontend Engineer

• Lead end-to-end feature development
• Architect scalable solutions for a React/NestJS platform
• Collaborate with Product, Design, and Security teams on user-facing features
• Optimize application performance and security for enterprise customers
• Build scalable systems to onboard and support a growing customer base

Senior Full Stack Engineer

• Design and develop backend services for a new cybersecurity product
• Build scalable microservices and APIs from scratch
• Take full ownership of features from early requirements to production delivery
• Collaborate closely with Engineering and Product teams
• Work on integrations with third-party systems and service providers
• Contribute to cloud architecture and infrastructure decisions
• Write clean, scalable, and maintainable Python code
• Ensure high performance, availability, and reliability of backend systems
• Proactively communicate progress, risks, and technical decisions
• Participate in architecture, code, and operational reviews

Senior Backend Engineer

• Develop and maintain backend services using **Python (FastAPI, async)**
• Work with **ETL pipelines** and data-heavy systems
• Participate in **Java → Python migration**
• Integrate backend services with **AWS (SQS, S3)**
• Collaborate on system design, performance, and reliability improvements