Role Description - Designing, developing, and optimizing ABAP programs in SAP systems. - Debugging and troubleshooting ABAP programs as needed. - Designing, adjusting Adobe Forms and migrate to it from SAP Script and Smartforms. - Support by Output management configuration. - Supporting data migration projects. - Supporting SAP upgrades and enhancements. - Coordinating with teams across different locations to ensure seamless project execution. Qualifications - Fluent in English and German, with strong communication skills in both written and spoken contexts. - Minimum of 5 years of hands-on experience in ABAP development. - Solid experience working with SAP ECC and SAP S/4HANA environments. - Proven involvement in at least one SAP migration project. - Practical experience with Adobe Forms, SAPscript, and Smart Forms. - Service Region: Eastern Europe.

Role Description We are looking for an experienced Senior Flutter Developer to take ownership of our mobile application development and help us deliver a seamless user experience across Android and iOS platforms. In this role, you will work on a hybrid mobile application that combines native functionality with WebView integration, collaborating closely with product, web, and marketing teams. If you enjoy building scalable mobile products, solving complex technical challenges, and owning the full application lifecycle — we would love to meet you. Qualifications - 4+ years of commercial experience with Flutter and Dart development. - Proven experience building and supporting applications for both Android and iOS. - Strong expertise with WebView integration (flutter_inappwebview or similar), including session management, cookies, deep linking, and navigation control. - Experience working with REST APIs and authentication mechanisms such as JWT, OAuth, and SSO. - Hands-on experience with push notification services (Firebase Cloud Messaging or similar). - Experience integrating analytics and marketing SDKs such as Firebase, AppsFlyer, Adjust, or similar platforms. - Proven track record of publishing and maintaining mobile applications in Google Play and Apple App Store. - Strong understanding of deep linking and universal links implementation. - Knowledge of Android and iOS platform-specific requirements, permissions, and best practices. - Ability to work independently and take full ownership of the mobile product. Requirements - Develop and maintain a hybrid Flutter application combining native functionality with WebView integration. - Ensure seamless authentication and user experience across native and web layers. - Collaborate with the web team to align navigation flows, redirects, and in-app browser behavior. - Integrate analytics, attribution, and marketing tools to track user acquisition and engagement. - Optimize application performance and WebView loading speed across different devices. - Manage application releases, updates, and store listings for Google Play and Apple App Store. - Monitor application stability and continuously improve performance and user experience. - Maintain code quality, documentation, and technical best practices. - Participate in technical discussions and contribute to product development decisions. Benefits - Freedom to choose where to work: work from anywhere in the world with the freedom of remote options. - Flexibility: enjoy flexible working hours that let you balance your personal and professional life while staying focused on delivering great results. - Corporate English speaking club: improve your English proficiency with regular practice and expert guidance. - A Culture That Cares: thrive in a friendly environment where a strong corporate culture builds connections, drives innovation, and makes you feel truly valued. - Comfort Fuels Success: experience comfortable conditions that inspire productivity and foster professional growth, giving you the tools and space to excel. - Accelerate Your Growth: seize career advancement opportunities in a rapidly expanding marketing company. As the company scales, so will your professional journey.

Role Description We are looking for an experienced Senior Flutter Developer to take ownership of our mobile application development and help us deliver a seamless user experience across Android and iOS platforms. In this role, you will work on a hybrid mobile application that combines native functionality with WebView integration, collaborating closely with product, web, and marketing teams. If you enjoy building scalable mobile products, solving complex technical challenges, and owning the full application lifecycle — we would love to meet you. Qualifications - 4+ years of commercial experience with Flutter and Dart development. - Proven experience building and supporting applications for both Android and iOS. - Strong expertise with WebView integration (flutter_inappwebview or similar), including session management, cookies, deep linking, and navigation control. - Experience working with REST APIs and authentication mechanisms such as JWT, OAuth, and SSO. - Hands-on experience with push notification services (Firebase Cloud Messaging or similar). - Experience integrating analytics and marketing SDKs such as Firebase, AppsFlyer, Adjust, or similar platforms. - Proven track record of publishing and maintaining mobile applications in Google Play and Apple App Store. - Strong understanding of deep linking and universal links implementation. - Knowledge of Android and iOS platform-specific requirements, permissions, and best practices. - Ability to work independently and take full ownership of the mobile product. Requirements - Develop and maintain a hybrid Flutter application combining native functionality with WebView integration. - Ensure seamless authentication and user experience across native and web layers. - Collaborate with the web team to align navigation flows, redirects, and in-app browser behavior. - Integrate analytics, attribution, and marketing tools to track user acquisition and engagement. - Optimize application performance and WebView loading speed across different devices. - Manage application releases, updates, and store listings for Google Play and Apple App Store. - Monitor application stability and continuously improve performance and user experience. - Maintain code quality, documentation, and technical best practices. - Participate in technical discussions and contribute to product development decisions. Benefits - Freedom to choose where to work: work from anywhere in the world with the freedom of remote options. - Flexibility: enjoy flexible working hours that let you balance your personal and professional life while staying focused on delivering great results. - Corporate English speaking club: improve your English proficiency with regular practice and expert guidance. - A Culture That Cares: thrive in a friendly environment where a strong corporate culture builds connections, drives innovation, and makes you feel truly valued. - Comfort Fuels Success: experience comfortable conditions that inspire productivity and foster professional growth, giving you the tools and space to excel. - Accelerate Your Growth: seize career advancement opportunities in a rapidly expanding marketing company. As the company scales, so will your professional journey.

Role Description We are looking for a talented and motivated Back-end Developer to join our team. As a Back-end Developer, you will play a key role in building and maintaining high-performance, scalable, and distributed systems. You will be responsible for creating efficient, reliable, and scalable backend services that power our applications and provide excellent user experiences. The ideal candidate should have hands-on experience with modern back-end technologies, strong problem-solving skills, and a deep understanding of distributed data systems, performance optimization, and concurrency. If you're passionate about solving complex technical challenges and optimizing back-end systems, we'd love to hear from you! NOTE: - Preferred experience range: 3-5 Years - Candidates must be open to work within USA time zones EST/EDT and PST/PDT hours. Qualifications - Proven experience in Back-end development, specifically with Golang or Node.js. - Strong hands-on experience with AWS (e.g., EC2, S3, RDS, etc.). - Proficiency in writing and optimizing SQL queries and working with relational databases. - Solid experience with the Linux operating system, including scripting and system administration. - Expertise in CI/CD workflows, including tools like Jenkins, GitLab CI, or CircleCI. - Deep understanding of concurrency, with a proven ability to identify and resolve race conditions using effective synchronization techniques. - Experience in profiling and tuning code to ensure optimal system performance and efficiency. - Strong foundation in data structures and algorithms, with the ability to implement complex algorithms to solve performance-sensitive tasks. - Ability to troubleshoot complex issues and provide innovative solutions in a fast-paced, collaborative environment. Requirements - Design, implement, and maintain back-end services using Golang or Node.js. - Build, manage, and scale systems on AWS infrastructure. - Develop and maintain complex SQL databases, ensuring optimal query performance and database design. - Work closely with front-end developers and other team members to deliver seamless and scalable solutions. - Write and maintain efficient, well documented, and reusable code. - Contribute to CI/CD pipelines for automated testing and deployment processes. - Resolve race conditions, concurrency issues, and improve overall system performance through efficient solutions. - Profile and optimize code for performance, scalability, and low-latency operations. - Leverage your deep understanding of advanced data structures and algorithms to tackle complex problems. - Continuously improve the backend infrastructure by identifying bottlenecks and optimizing system reliability. Benefits - Flexible Work & Time-Off Culture: At BIG Happy Inc. we believe that great work comes from a well balanced life. Our flexible time-off policy and work-from-home options empower employees to manage their schedules effectively, recharge when needed, and maintain a healthy work-life balance without compromising productivity. - Comprehensive Health & Family Support: We prioritize the well-being of our team and their families. Our plans provide parental support policies, including maternity benefits, ensure that employees feel supported during important life stages. - Performance-Driven Rewards & Growth: We recognize and reward impact. Through performance bonuses and incentive programs, employees are acknowledged for their contributions and achievements, fostering a motivating environment that supports both personal and professional growth. - Relocation & Seamless Transition Support: Joining us from a different location? We’ve got you covered. Our relocation support and reimbursement policies are designed to make your transition smooth and stress-free, allowing you to focus on settling into your role and new environment. - Inclusive Culture & Collaborative Environment: Our workplace thrives on collaboration, inclusivity, and engagement. From cross-functional 1:1s to team building activities like movie outings, events, and office get-togethers, we ensure every team member feels connected, valued, and empowered to contribute meaningfully.