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Justt helps many of the world’s largest and most recognizable brands turn chargebacks from a constant headache into a managed, predictable part of doing business. Our AI-driven platform powers chargeback operations at scale, automating disputes end to end, recovering revenue that would otherwise be lost, and removing a major operational burden from finance, risk, and operations teams across multiple regions and verticals. We’re a global company with teams across markets, and disciplines, working closely with leading players in the payments ecosystem. Our culture is built on clear thinking, collaboration, and a strong sense of ownership. At Justt, you’ll partner with product, engineering, data, success and go-to-market teams to build technology that sits at the core of modern payments, and has a direct, measurable impact on the bottom line for some of the biggest companies in the world. About the Role Justt is seeking a Senior Software Engineer to join the Justt team, which is responsible for the core of Justt's chargeback resolution platform. This role involves managing our central data pipeline, from ingesting chargeback data from Payment Service Providers (PSPs) to submitting dispute responses back to them. This position offers more than standard integrations; you will be tasked with designing and scaling the infrastructure for mission-critical data flows, addressing complex issues in distributed systems, API orchestration, and data integrity. Key Responsibilities
* Own the full lifecycle of PSP integrations and data pipeline systems
* Architect scalable backend services using Node.js, TypeScript, and NestJS
* Ensure data integrity across PostgreSQL and MongoDB at scale
* Drive architectural decisions and system design within our Nx monorepo
* Mentor team members and contribute to engineering best practices What We Offer
* Solve complex technical problems with real impact
* Engineering-driven culture with talented peers
* Significant ownership over architecture and product
* Modern stack: Node.js, TypeScript, NestJS, Nx, PostgreSQL, MongoDB, AWS
* Growth opportunities in a fast-paced fintech company

As a backend Developer you will be a part of delivering new features, as well as building the infrastructure for the performance and scale of the product.
What youll do: Implement and deliver new features according to products requirements Implement enhancement features and build the infrastructure to support the scale of the product. Participate in design discussions and code reviews Develop unit and integration tests Assist in solving Real-Time customer issues
Position Intro:
we are the premier provider of mission-critical, cloud-based intelligent decisioning across pricing, rating, underwriting, and product personalization. These fully-integrated solutions provide ultra-fast ROI and are designed to transform how global insurers and banks are run by unlocking value across all facets of the business. our company has been innovating for insurers and banks since 2001 with customers in over 35 countries across six continents and offices in the Americas, Europe, Asia Pacific, and Israel.

Justt helps many of the world’s largest and most recognizable brands turn chargebacks from a constant headache into a managed, predictable part of doing business. Our AI-driven platform powers chargeback operations at scale, automating disputes end to end, recovering revenue that would otherwise be lost, and removing a major operational burden from finance, risk, and operations teams across multiple regions and verticals. We’re a global company with teams across markets, and disciplines, working closely with leading players in the payments ecosystem. Our culture is built on clear thinking, collaboration, and a strong sense of ownership. At Justt, you’ll partner with product, engineering, data, success and go-to-market teams to build technology that sits at the core of modern payments, and has a direct, measurable impact on the bottom line for some of the biggest companies in the world. What you'll be doing: Own features end-to-end in our chargeback automation platform - from AI-powered evidence generation to real-time merchant-facing insights Take features from concept to production - plan, build, deploy, and monitor your code in production Master our tech stack (Node.js, Next.js, SQL/NoSQL, K8S, AWS) while building features across our 200+ microservices architecture Handle high-stakes data at scale - process thousands of chargebacks daily, ensure data accuracy, and maintain system reliability Be part of a strong engineering culture - work closely with engineers, product, QA, and DevOps to ship features that move the needle

Why Appdome Appdome is an AI-native platform that protects mobile apps, APIs, identities, and the mobile business from fraud, malware, bots, and other attacks— no SDKs, no servers, and built into the CI/CD pipeline . We help enterprises ship stronger Android and iOS apps with 400+ protections and automation that keeps pace with releases. The impact you’ll have Join our Data & Identity Platform Group to build the data applications that power customer-facing dashboards and insights for some of the most security-sensitive mobile brands. You’ll ship features end-to-end: elegant Angular UIs, focused contributions to Node.js services, and the data experiences that make big data fast, trustworthy, and a joy to use. You’ll also help infuse agentic AI into the product so customers can more intuitively investigate their data. What you’ll do
* Own major UI surfaces in Angular + TypeScript + RxJS , from reusable components to complex, real-time data views.
* Build reliable integrations with our REST APIs; shape contracts with backend peers.
* Write high-quality Frontend tests with Jest and keep CI green with meaningful coverage.
* Drive performance, accessibility, and UX polish—measure, iterate, and ship.
* Contribute selectively to Node.js services (microservices) to deliver end-to-end features when needed.
* Work with MySQL ClickHouse Redis , and Elasticsearch to fetch/aggregate data efficiently.
* Partner closely with Backend, Data, and Security engineers to deliver resilient, customer-visible features on AWS and Kubernetes Our stack Frontend: Angular, TypeScript, RxJS, Tailwind Backend: Node.js (microservices) Data: MySQL, ClickHouse, Redis, Elasticsearch Cloud & Platform: AWS, Kubernetes Testing: Jest

At Infinidat, we help enterprises and service providers empower their data-driven competitive advantage at scale. We are a leading provider of enterprise-class storage solutions. The company’s software-focused architecture delivers sub-millisecond latency, full availability, and scalability with a significantly lower total cost of ownership than competing storage technologies. We are seeking a skilled Senior System Testing Engineer to join our company. You will collaborate with cross-functional teams to identify and report bugs, verify bug fixes, and develop testing strategies. You will be responsible for ensuring that the System Test team delivers high-quality results, meets deadlines, and maintains effective communication with stakeholders.

Responsibilities:

* Develop and implement system testing strategies and processes.
* Collaborate with cross-functional teams to identify and report bugs.
* Verify bug fixes and ensure they meet the required quality standards.
* Develop and maintain test cases, plans, and documentation.
* Ensure timely delivery of high-quality test results.
* Stay up-to-date with industry trends and best practices in manual testing.