Senior Software Engineer - Golang

Before jumping in on all the information about the role and what you can bring to the table, let us introduce ourselves real quick.

About us

We are Insider, a B2B SaaS company that drives growth for its clients around the world. How are we achieving this? We are the #1 AI-native platform for Customer Experience and Marketing—offers marketers a single platform to deliver unique experiences per person, drive profitable growth, and unleash peak productivity and efficiency. Our platform connects data across channels, predicts future behavior with AI, and individualizes experiences from a single platform.

We have just celebrated our $500M Series E funding round, led by General Atlantic. Before this, we’ve unlocked unicorn status following our Series D round. We are backed by top-notch investors, including Sequoia Capital, QIA, Riverwood, and Endeavor Catalyst, and trusted by 1200+ brands from high-growth startups to the most prestigious Fortune 500 companies such as Samsung, Coca-Cola, Nike, L’Oreal, Singapore Airlines, Virgin, Nestle, Nissan, Lenovo, Puma, IKEA, Allianz, Dominos, CNN, and the list goes on.

Having unlocked unicorn status, Insider was congratulated for becoming one of the only woman-founded, women-led B2B SaaS unicorns in the world, to achieve $200M in CARR (Committed Annual Recurring Revenue). Insider was named a leader in The Forrester Wave for Cross-Channel Campaign Management 2021, and Leader in the IDC MarketScape: Worldwide Omnichannel Marketing Platforms for B2C Enterprises 2023 Assessment. The company has been recognized in The Top 1% of all software companies worldwide in G2’s 2024 Software Awards, and named in The Top 10 Best Software Products with the most #1 rankings alongside other software legends like Google, Zoom, and Monday.com. According to G2’s Spring’24 reports. Insider is also the #1 G2 Leader in 6+ categories, including Customer Data Platforms (CDP), Personalization Engines, Personalization Software, Mobile Marketing, Customer Journey Analytics, and e-commerce Personalization.

When our team founded Insider, they not only sought to create a product company but also to build the most socially progressive technology community in the world. Through our corporate social responsibility initiatives like 100Projects SheCodes, SheLeads, and SheMarkables, our community has committed to scaling its impact into our communities across 27+ countries, spearheading transformative projects in areas such as health, education, farming, animal rights, and increasing the proportional representation of women in STEM careers.

Behind all these achievements, there is an exceptionally talented and passionate team across 27+ countries that moves fast and agile, creates cutting-edge products, and focuses on making an impact. If you want to join us on this journey, just keep reading.

And now? Now we are looking for a Senior Software Engineer, who will help our team create and implement a wide variety of web-based products using PHP and Go or Node.js, and 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 with 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 these 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 a true artist. Our Product and Development teams are located in our Istanbul and Ankara offices, so we produce and develop the technology we export to the world in our own country. As Insider, we believe in cooperation and 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!

What you'll be doing as a Senior Software Engineer in Insider:

• Build, scale, and maintain backend services that power Insider’s core analytics systems, which process hundreds of thousands of events per second, manage terabytes of data, and serve real-time insights across 9+ global products
• Maintain and evolve large-scale data stores, ensuring fast, reliable access to analytics data at massive scale
• Work on high-throughput, low-latency systems used by both internal teams and customer-facing dashboards
• Contribute to event ingestion pipelines, API development, data enrichment, and metric generation flows
• Collaborate with backend and data engineers to continuously improve performance, reliability, and observability
• Write clean, modular, and testable code using Go and Node.js, focusing on building systems that scale

We'd be thrilled to work with you if:

• You have strong backend development experience with Go and/or Node.js
• You enjoy working on data-heavy systems, especially where performance at scale is critical
• You’ve worked with databases like PostgreSQL, Redis, or similar
• You love building real-time systems and care about writing clean, maintainable backend code
• You take initiative, communicate clearly, and don’t wait to be told what to fix—you go and fix it

Bonus points if you have:

• Experience with ClickHouse, Kafka, Kinesis, or NATS
• Familiarity with Kubernetes, AWS, and distributed architectures
• Interest in event-driven design, streaming pipelines, or gRPC-based communication
• A passion for debugging, optimizing, and monitoring complex systems

While exporting our technology to the world, we offer you:

• “Tech Talks” with famous and groundbreaking people from the software world, “Dev Talks” where our Software Developers talk about their career steps, and many events where groundbreaking ideas are discussed,
• Hackathons we organize inside that push the boundaries, programming challenges, and coding competitions,
• free access to exclusive services such as Laracast, Egghead, LinkedIn Learning, Blinkist, Masterclass, and Spotify,
• Inclusive Private Health Insurance,
• Smart Work Model side benefits to support food and bill expenses,
• The infamous Team Activities that are bursting with fun,
• No Dress code! This is a fast and innovative startup, you can wear whatever you want.
• Remote Work! Work anywhere you'd like in Turkey.