mika is revolutionizing financial management for small businesses with an AI-powered platform that combines automated accounting, proactive insights, and conversational AI. We're on a mission to make expert financial navigation and compliance accessible to every small business owner – dramatically reducing costs and bureaucratic burden. We're a small, senior team shipping fast, and every line of code we ship matters. Our stack: FastAPI & Django backend, React frontend (Material UI, react-query), PostgreSQL, AWS. Tasks We build agentic AI systems that do real accounting work. As our product grows in complexity, so does the need to deeply understand and validate what our AI agents actually do – how they book transactions, why they made certain decisions, and whether the output meets real accounting standards. This is not a traditional QA role. You'll work closely with the product and engineering team to test new features, investigate edge cases, and build up our QA processes from the ground up. Over time, you'll grow into owning automated testing (E2E) and eventually supporting compliance and certification work. Concretely, you'll: - Manually test new features and document findings clearly. - Clone local environments and run our AI agents to validate their bookkeeping output. - Develop a deep understanding of German accounting logic to judge whether agent decisions are correct. - Collaborate with our customer success team and accountants to identify real-world edge cases. - Gradually build out E2E testing infrastructure (e.g. Playwright). - Help establish structured QA processes across the team. Requirements - Technical Foundation: You have practical programming experience (in any language) and a dedicated commitment to continuously developing your technical skill set. - Analytical Mindset: You possess a strong desire to learn and the ability to acquire deep domain expertise in complex subject areas. - Methodical Approach: You demonstrate structured thinking and ensure thorough documentation of your findings through a systematic workflow. - Independent Ownership: You are comfortable working autonomously and are proactive in flagging and communicating issues clearly and effectively. Nice to have: - Initial experience with automated testing tools such as Playwright, Cypress, or similar frameworks. - A background or professional interest in accounting, finance, or taxation. - Prior experience or academic focus in software development. Benefits - A small team of strong, senior engineers who respect each other's time. - Real ownership from day one – your findings directly shape the product. - A genuinely interesting domain – German tax law meets AI agents. - A clear growth path: from manual testing to E2E automation, compliance support, and eventually real software contributions – long-term, this role can grow into a full engineering position. - Almost no meetings – on average 95% focus time per day. - Berlin location preferred but remote within Germany possible.

Who We Are Located in the heart of Bangkok’s Phrom Phong District, Sertis is ASEAN's leading Data and AI engineering and solutions company. Since 2014, our advanced solutions and products have powered over 400 enterprise Data and AI deployments at the region’s leading companies and conglomerates. We are also a member firm of Andersen Consulting, a global consulting practice integrating business strategy, digital transformation, and AI-driven technology solutions with Andersen Global’s world-class expertise. What We Do Sertis provides both productized and bespoke AI and Data solutions for our Customers, optimizing and commercializing their data in ways that activate real business results. Our 140+ team have developed product offerings and IP ranging from advanced Computer Vision applications accredited Global Top 20 by NIST, to automated insights monetization for Retailers, eKYC for financial institutions, AI-driven agricultural safety assurance, precision steel cutting, trading algorithms for hedge funds, and enterprise knowledge management systems based on AI. Our Aspiration We are data and AI pioneers, dedicated to enhancing the economic and social lives of our customers via technology. We are not just living in history, we are making history everyday. In becoming one of the world’s leading Data and AI companies, we always double-down on remaining a place where a diverse mix of talent wants to come, do their best work, and stay. We pride ourselves on bringing the best talent worldwide into a culture that encourages learning, growth opportunities, innovative contributions, and a sense of ownership. As part of Andersen Consulting, we are committed to delivering best-in-class Data and AI solutions—aligned with a global platform known for innovation, integration, and impact—while continuing to set benchmarks in the region and beyond. For more information, please visit: sertiscorp.com We are looking for a QA Engineer Lead to define and drive quality engineering practices across our payments platform. This is a senior, hands-on role for someone who can design test architecture while actively contributing to automation and delivery. You will play a key role in improving system reliability, scaling automation coverage, and embedding quality into the development lifecycle. You will work closely with Engineering, Product, and DevOps teams to ensure that systems are delivered with strong test coverage, stability, and performance in a high-transaction environment. *This is a fully remote role, working under US Time zone. In this role, you will get to: - Define and lead test strategy and automation approach - Build and scale test automation frameworks - Ensure strong test coverage (functional, integration, regression) - Integrate testing into CI/CD pipelines and quality gates - Partner with engineers to embed quality early in development - Lead API and backend testing across services - Track quality metrics (coverage, defects, release readiness) - Support debugging and root cause analysis in production issues - Mentor QA / engineers and drive best practices You’ll be successful if you have: - 4+ years of experience in QA, test automation, or backend testing with a Java-based testing environment. - Strong hands-on experience building and scaling automation frameworks - Expertise in automation tools such as Selenium, Playwright, Cypress, or similar and strong coding skills at least one languages (Java, JavaScript or Python) - Strong experience with API testing tools (Postman, RestAssured, or equivalent) - Solid understanding of software testing principles, including test design and risk-based testing - Experience working with CI/CD pipelines and integrating automated testing - Strong understanding of microservices architecture and distributed systems - Experience working in high-availability, production-critical environments - Strong problem-solving skills with the ability to debug complex system issues - Ability to operate independently with high ownership and accountability with clear communication skills, able to influence engineering and product stakeholders - Strong English communication skills both in written and spoken to communicate with the US team smoothly. - Willing to work remotely in the US time zones. It’s Nice If You Have: - Experience in fintech, payments, or high-transaction systems - Experience with performance and load testing (JMeter, k6, or similar) - Familiarity with containerized environments (Docker, Kubernetes) - Experience with observability tools and test reporting dashboards - Exposure to security testing practices What this opportunity offers - Fully remote position (work from anywhere under the US time zones). - Opportunity to learn modern Java practices on a real migration project with senior mentorship. - Collaborative and supportive team environment. APPLY NOW!

• Interpret operational requirements and constraints. • Deploy and configure virtualized routers, firewalls, load balancers, and other network functions. • Configure overlay and underlay networks in virtualized environments. • Validate connectivity, routing, segmentation, and policy enforcement across distributed systems. • Convert manual deployment procedures into parameterized and reusable automation workflows. • Automate policy enforcement, compliance validation, and certificate lifecycle management (PKI/TLS). • Implement configuration drift detection and self-healing automation. • Document automation frameworks, deployment standards, and operational procedures. • Engineers in this role may encounter challenges such as: Automating configuration across multiple network vendors and platforms. • Managing overlay and underlay networks in hybrid and virtualized environments. • Converting manual operations into automated deployment pipelines. • Diagnosing connectivity, routing, and segmentation issues in distributed systems. • Maintaining configuration consistency across large-scale infrastructure. • Supporting mission-critical environments requiring high availability and rapid recovery. • Develop infrastructure automation workflows integrated with CI/CD pipelines. • Convert operational procedures into repeatable Infrastructure-as-Code deployments. • Implement API-driven automation for network device configuration and orchestration. • Integrate network automation into broader platform engineering initiatives. • Integrate telemetry and monitoring into automated infrastructure workflows. • Provide visibility into network performance, service health, and operational events. • Support troubleshooting and root cause analysis across distributed environments.

• Lead project workstreams, managing the project scope, budget, and timeline • Analyze data and information, and make recommendations to clients • Collaborate with other members of the automation team to deliver solutions that address client needs • Stay up to date on industry trends and best practices, and continuously improve consulting service offerings • Develop and maintain strong relationships with clients, serving as a trusted advisor to clients