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🤖 15+ AI Agents working for you. Find jobs, score and update resumes, cover letter, interview questions, missing keywords, and lots more.
Inserso Corporation • Turkey
Salary: 800+ global pa
Role & seniority: Software Developer, Optimus team (Partner Support Development) at Insider One/Testinium Tech Hub; entry to mid-level track depending on experience.
Stack/tools: JavaScript, HTML, CSS, Go; basic backend; SQL; jQuery; frontend frameworks (Vue.js, Node.js, React) (learning on the job); work with cross-team collaboration.
Provide technical support to 800+ global partners and fix complex partner-site issues.
Build user-friendly, high-performance web applications and participate in live client support meetings.
Prevent future problems, coordinate with other teams, and prioritize tasks by urgency/partner needs.
Degree in Computer Engineering or related field (or equivalent experience)
Proficiency in JavaScript, jQuery, HTML, CSS; basic backend knowledge; SQL (advanced a plus)
Fluency in Turkish and English; strong problem-solving and time-management
Ability to work across multiple projects in a fast-paced, agile environment
Experience with Vue.js, Node.js, React, Go
In-depth backend and database experience; proactive, responsible work approach
Turkey-based, fully remote
Shift hours: 04:00–14:00 or 16:00–02:00 local time
Organization context (optional highlights): Part of Insider One’s AI-native CX/Marketing platform; global client base; collaboration with Testinium Tech Hub, a large European software testing firm.
About Insider One
Insider One is a B2B SaaS company that helps global brands grow by creating better customer experiences — at scale.
What makes us different?
We are the world’s #1 AI-native Customer Experience and Marketing Platform. Our platform helps marketers build personalized journeys, grow their business, and work more efficiently — all in one tool.
We recently raised $500M in Series E funding, led by General Atlantic. Before that, we became a unicorn (a startup valued at over $1 billion), and one of the few woman-led B2B SaaS unicorns in the world. Today, we are backed by investors like Sequoia Capital, QIA, Riverwood, and Endeavor Catalyst. Over 1,200 global brands trust us — including Samsung, Coca-Cola, IKEA, Nike, and Virgin, as well as fast-growing startups. We’ve been recognized as a Leader by Forrester and IDC, and listed among G2’s Top 1% software companies in the world, ranking #1 in many categories like Customer Data Platforms, Personalization Engines, and Mobile Marketing. But our story is not just about numbers! We are also proud of the global community we have built. With programs like SheCodes, SheLeads, and SheMarkables, we support education, sustainability, and inclusion across 27+ countries. At Insider One, we move fast, solve real problems, and build with purpose.
Testinium is our trusted partner in software quality and testing. They offer an open-source-based, enterprise-ready platform for test automation on web, mobile, and desktop. Their headquarters is in Istanbul, with offices in Amsterdam, London, and Berlin. Testinium is now the largest software testing company in Europe and the MENA region, with 950+ employees and 350+ projects. They work with many respected companies in finance, telecom, and e-commerce, like ING, Allianz, PepsiCo, Turkcell, N11, and Udemy.
What team will you join?
You’ll join our Optimus team as a Software Developer. Optimus (Partner Support Development Team) provides technical support behind the scenes. We solve problems, keep our platform running smoothly, and make sure our partners have the best experience. We work fast, solve complex issues, and focus on both product and partner success. In SaaS, partner support means high-quality service — and that’s what Optimus delivers. \n
What You Will Do Provide technical support to 800+ global partners using JavaScript, HTML, CSS, and Go Fix complex issues on partner websites Join meetings with international clients and give live support when needed Build user-friendly and high-performance web apps Take action to prevent future technical problems Work with other teams to ensure smooth processes Prioritize tasks based on urgency and partner needs Gain hands-on experience with Vue.js, Node.js, React, and Go Work in a fast-paced and agile environment
What You Will Need A degree in Computer Engineering or a related field (or equivalent experience) Good knowledge of JavaScript, jQuery, HTML, and CSS
This positions require working hours from 04: 00 to 14:00 or 16:00 to 02:00. Basic knowledge of backend development and SQL (advanced knowledge is a plus) A proactive and responsible approach to work Fluency in Turkish and English Good problem-solving and analytical thinking skills Ability to manage time well and work on multiple projects Curiosity and motivation to keep learning
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.
\n We excitedly await your application to become a member of Insider Testinium Tech Hub!
Closing from Default - All locations 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.Please follow Insider on LinkedIn, Instagram, Youtube, and Medium!