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Before jumping into all the information about the role and what you can bring to the table, let us introduce ourselves real quick.
About us
Insider One is the #1 platform that brings everything marketing and customer engagement teams need in one place so they can reach their peak potential and become unstoppable.
Our story began with six desks and a vision to create a single platform to make industry-first technologies and emerging channels accessible to marketers worldwide. Today, Insider One is powered by 1,500+ team members representing 50+ nationalities across 30+ offices. With AI at its core and an integrated Customer Data Platform (CDP), Insider One unites data, personalization, and journey orchestration across the most extensive set of natively supported channels, including WhatsApp, SMS, Email, Web, App, and Site Search.
We recently raised one of the largest funding rounds in the industry, a $500M Series E led by General Atlantic. We are backed by top-notch investors, including Sequoia Capital, QIA, Riverwood, and Endeavor Catalyst, and trusted by 2000+ customers from high-growth startups to the most prestigious Fortune 500 companies such as Samsung, Nike, L’Oreal, Singapore Airlines, Nestlé, Nissan, Lenovo, Puma, IKEA, Allianz, Domino's, and the list goes on.
Insider One was congratulated for becoming one of the only woman-founded, women-led B2B SaaS unicorns in the world. Loved by customers, recognized by analysts, we are the only vendor recognized as the #1 leader in all the capabilities marketing and customer engagement teams need. Don’t just take our word for it — see for yourself. We consistently outperform and continue our leadership, and the results speak for themselves.
From day one, Insider One’s mission has not only been to build a world-class product company, but also to create one of the most socially progressive technology communities in the world. Through our social responsibility initiatives like 100 Social Responsibility Projects, AI Training for Teachers, Code Academy, SheCodes, SheLeads, and SheMarkables, our community has committed to scaling its impact on our communities across 30+ countries, driving initiatives in health, education, farming, animal rights, and increasing women’s representation in STEM.
Behind all these achievements is an exceptionally talented, visionary team of overachievers that moves fast and agile, creating cutting-edge products, and focuses on making an impact. If you want to be a part of this journey, just keep reading.
And now? Now we are looking for a Machine Learning Engineer who wants to take their career one step further. If you think you are one of those people, here you will have the chance to work with the world's leading brands using Artificial Intelligence & Machine Learning technologies. Right now, while you are reading this, we are sending an average of 2.2 billion requests and almost 2 billion instant notifications to more than 450 servers a day. On the Artificial Intelligence and Predictive side, we have more than 100 TB of historical data. We do not wait for jobs or opportunities to come to our feet — we create them. We have now reached 25% of global users. If all of this interests you, read on for more!
Our Engineers and Software Developers always think with an innovative perspective, taking advantage of the inexhaustible power of the digital world. They create impressive and intelligent products like true artists. Our Product and Development teams are located in our Istanbul office, so we produce and develop the technology we export to the world in our own country. As Insider One, we believe in cooperation and in adapting the innovations brought by technology by acting fast. We work closely with other departments with agile teams, and we are not afraid of getting our hands dirty. As we said, we do not wait for jobs or opportunities to come to our feet — we create them ourselves. You can check our Tech Stacks here!: https://www.stackshare.io/companies/useinsider
Here's what defines our Search team:
At Insider One, we’re building AI-powered systems that make product discovery faster, more relevant, and deeply personalized. From semantic search to suggestions, from merchandising to analytics, our products are driven by impactful AI/ML techniques.
We believe in an M-shaped development culture: engineers with depth in a few core areas and curiosity to expand across the stack. You'll collaborate with different functions and be hands-on across the full stack — from data and modeling to software systems and observability. You’ll grow quickly, owning meaningful pieces of the products with the full support of experienced engineers and scientists around you.
What You Will Do
- Design, build, and release AI products/features that solve real user problems
- Design and implement streaming/batch data pipelines to support training and inference
- Write production-ready code and move it to production with the help of cloud services and CI/CD techniques
- Continuously monitor and improve the quality and performance of the systems
- Learn by doing — while owning real problems and demonstrating end-to-end ownership throughout the system
- Build resilient, performant pipelines and services in production
- Own system architecture, performance, observability, and scalability
- Collaborate across teams to turn ideas into impactful products
- Mentor engineers and help set technical direction
What You Will Need
- if you feel like you are one of the below;
Senior Data Scientist (NLP, Search, Recommendation)
- Designed and deployed search, ranking, or recommendation systems
- Improved core product discovery metrics (e.g. CTR, conversion, etc.) through AI/ML systems
- Worked with state-of-the-art NLP and Information Retrieval techniques such as transformers, embedding models, vector search, LLMs, RAG, agents, etc.
- A/B tested the impact you have provided and took actions to make it better
Senior Data Engineer
- Built high-throughput real-time or batch ETL pipelines (Spark, Kafka, etc.) supporting ML training/inference
- Managed data orchestration with Airflow or similar frameworks
- Built and scaled feature stores, data lakes, or analytical platforms
- Focused on data quality, wrangling, lineage, and monitoring
- Hands-on with AWS/GCP, Docker/Kubernetes, or MLOps pipelines
Senior Software Engineer
- Have strong experience with software architecture and domain-driven design to convert business ideas into working software products
- Designed and implemented robust backend systems for high loads using Java, Python, Go, or similar languages
- Worked on APIs, microservices, or messaging queue systems to serve high loads smoothly
- Integrated observability, security, and CI/CD pipelines into the systems
- Optimized data indexing, inference speed, API latency, or deployment workflows
- Hands-on experience in container systems, cloud services, infrastructure-as-code, and incident-free release of software services (Docker, Kubernetes, AWS, Terraform, feature toggles, blue-green deployment, etc.
What We Offer
- Enjoy a monthly meal allowance designed to enhance your daily routine.
- Access comprehensive private health insurance.
- Feed your curiosity with access to Spotify, LinkedIn Learning, Blinkist, MasterClass, Neoskola, and CloudGuru.
- Level up with internal trainings covering AI fundamentals, coding, foreign languages, and a wide range of personal development skills.
- Be part of a diverse team that’s as global as it gets, where every voice is heard and 50+ nationalities build together.
- Become a Shareowner through our eligibility-based “ESOP” and own a piece of what you build.
- Help build the team you want to work with and enjoy rewarding referral bonuses.
- Opportunities to give back to your community through volunteering and purpose-driven social impact projects.
- From global retreats to team-building activities, expect year-round events that turn into lifelong memories.
- Get inspired by the greatest minds in the tech industry through events like our Tech & Dev Talks.
- Work from anywhere in Turkey through our fully remote setup.
We aren't just hiring for a position; we are hiring for a mission — a mission to build a lasting legacy that will set the benchmark for the most progressive tech companies out there.
To do this, we are looking for exceptional talent to join a community of good-hearted individuals who take high ownership and are relentlessly driven to go the extra mile.
If this sounds like who you are and where you aspire to be, we are excited to meet you.
We provide equal opportunity in a zero-discrimination workplace and not just welcome but also embrace everyone without regard to sex, race, color, nationality, religion, gender identity, sexual orientation, disability status, citizenship, or marital status.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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