Senior Backend Software Developer - PHP​/Go; Remote​/SMS

Backend Software Developer - PHP/Go (Remote) (Whatsapp/SMS)

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

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 Whats App, 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‑note 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. 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, She Codes, She Leads, and She Markables, 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.

• Designing, implementing, and maintaining APIs and services
• Identifying and solving complex technical challenges creatively and effectively
• Nurturing a team culture that fosters collaboration and high performance
• Providing guidance and support to team members, helping them develop their technical skills
• Monitoring and optimizing key performance metrics

• Experience designing highly scalable and highly available systems
• Experience with PHP (Laravel) and Golang
• Experience with SQL technologies such as MySQL or similar databases
• Experience with caching systems such as Redis
• Pride in strong engineering practices
• Quality and documentation are not an afterthought for you
• Bonus points if you have experience with AWS

• Enjoy a monthly meal allowance designed to enhance your daily routine
• Access comprehensive private health insurance
• Feed your curiosity with access to Spotify, Linked In Learning, Blinkist, Master Class, Neoskola, and Cloud Guru
• 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 Share owner 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’re not 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…