Supersonic - Mobile Sdk Developer jobs in Israel

We’re looking for a Senior BI Developer who’s excited about turning data into real impact.

In this role, you’ll be the force behind data-driven decision-making across the company, building scalable pipelines, smart data models, and BI solutions that power millions of users. You’ll partner with Product, R&D, and Marketing to uncover insights, shape strategies, and keep us moving fast, and always two steps ahead.

If you love solving complex data challenges, thrive in an , open-minded environment, and want to see your work make a visible difference, you’ll feel right at home here.

Be a Strategic Data Partner

• Partner with Product, Marketing, and R&D leaders to understand challenges and propose solutions
• Present insights confidently to all levels-analysts to executives
• Translate business problems into technical solutions, understanding the "why" behind requests
• Proactively identify data opportunities before being asked

Build BI Solutions

• Design data marts (dbt + Databricks) and Tableau dashboards that teams rely on daily
• Own full lifecycle: requirements → delivery → presentation
• Ensure solutions are fast, reliable, and trusted

Elevate Team Standards

• Set quality bar through excellent code, documentation, and communication
• Mentor developers on SQL, data modeling, and dashboard design
• Drive data governance and QA processes

Solve Technical Challenges

• Turn high-volume, messy data into a reliable analytics infrastructure
• Optimize performance and scalability
• Lead technical initiatives (migrations, architecture improvements)

Technical Foundation (Must-Haves)

• 4+ years as a BI Developer in SaaS/eCommerce
• SQL mastery and strong data modeling skills
• Hands-on with: dbt, Databricks, Tableau, Git
• Data warehouse architecture and quality frameworks

Stakeholder Partnership:

• Excellent communicator who explains technical concepts clearly
• Service mindset-view stakeholders as partners
• Confident in presenting to leadership

Business Orientation:

• Understand the "why" behind data requests
• Connect data work to business outcomesממ
• Learn the domain and speak stakeholder language

Work Style:

• Proactive problem-solver who creates clarity from ambiguity
• Independent, quality-focused, innovative thinker
• Growth mindset and collaborative team player

Why You'll Love This Role:

• Take ownership of major projects and core features with significant business impact.
• Work alongside skilled engineers in a fast-paced, high-scale environment.
• Tackle challenging technical problems using cutting-edge tools like Kafka and Aerospike.

• Design, develop, and monitor new features for the platform, including components supporting targeting, attribution, and budget management.
• Maintain and optimize the performance of critical backend systems.
• Refactor and improve legacy code to ensure scalability and efficiency.
• Lead efforts to guarantee system reliability and low latency in a high-concurrency environment.
• Collaborate with peers and across teams to deliver high-quality, production-ready solutions.

• Proficiency in backend development with Scala (highly preferred) or Java.
• Strong understanding of distributed systems and real-time, high-concurrency applications.
• Experience with Kafka and other streaming/messaging systems.
• Extensive experience debugging and optimizing high-scale production environments.
• Proven ability to design and build backend systems focused on performance and scalability.

• Hands-on experience with Aerospike or other NoSQL databases.
• Familiarity with Kubernetes or container orchestration tools.
• Knowledge of functional programming paradigms.
• If you're looking for a role where you can contribute meaningfully, tackle exciting challenges, and work with a friendly, professional team that values collaboration and expertise, we’d love to hear from you!

• Relocation support is not available for this position.
• Work visa/immigration sponsorship is not available for this position

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

• Write, execute, and maintain automated test scripts for functional, regression, and performance testing within CI/CD pipelines to enable continuous testing.
• Work closely with developers, product managers, and manual QA engineers in a cross-functional Scrum team to define test strategies, improve testability, and ensure high product quality.
• Investigate test failures, report defects, and continuously refine automation scripts to improve reliability and efficiency in detecting issues early in the development cycle.

• Strong hands-on experience with automation frameworks like Appium for Android and iOS testing.
• Proven experience in Java/Kotlin for writing automation scripts and integrating tests into the development pipeline.
• Experience with CI/CD tools (Jenkins, GitHub Actions) and version control systems like Git to support continuous testing.
• Strong understanding of software testing principles and experience with API testing and test management tools (TestRail, Jira).
• Ability to work in an Agile/Scrum environment, collaborate with developers, product managers, and QA engineers, and actively contribute to test strategies and improvements.
• BSc in Computer Science or equivalent.

• Relocation support is not available for this position.
• Work visa/immigration sponsorship is not available for this position

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

Challenges

• Build brand-new infrastructure from scratch
• Own and leave your mark on our newest systems.
• Design and implement high-quality components that enable an outstanding product and user experience.
• Learn quickly and integrate new technologies across multiple products as needed.

Responsibilities

• Design and implement back-end services that support the full payment lifecycle: authorization, capture, refunds, and reconciliation
• Integrate with multiple payment providers (e.g. Stripe, PayPal, local APMs) and financial services (e.g. tax engines, fraud detection tools)
• Own critical infrastructure components such as ledgers, transaction logs, wallet management, and settlement workflows
• Build internal APIs used by other product teams for monetization, checkout, and reporting
• Focus on security, compliance (e.g. PCI, GDPR), and observability
• Collaborate cross-functionally with Product, Finance, Legal, and other engineering teams
• Mentor engineers and contribute to a culture of technical excellence

• 7+ years of experience as a back-end engineer building production systems
• Strong hands-on experience with Node.js (NestJS – a strong advantage)
• Proven experience designing and maintaining distributed systems or microservices architectures
• Solid understanding of event-driven architectures and asynchronous processing
• Deep knowledge of API design, performance optimization, and security best practices
• Experience working with relational and NoSQL databases (e.g. PostgreSQL, Redis)
• Experience with CI/CD and cloud-native environments (e.g. Docker, Kubernetes, GCP)
• Strong testing discipline, including unit, integration, and E2E tests
• Strong English communication skills

Nice to Have:

• Experience with payment systems , financial flows compliance-sensitive domains.
• familiarity with tax engines (e.g. Avalara), 3DS, or fraud prevention tools