Middle+/Senior Fullstack Developer (NestJS + React, Next)

Toggle is a product company building eSIM and VPN solutions for global connectivity across all major platforms, including mobile, desktop, and TV.

Role Overview

Responsibilities

• develop and maintain payment integrations (Stripe, Solidgate), including checkout, recurring payments, webhooks, error analysis, and troubleshooting;
• develop the product’s subscription logic, including renewals, upgrades, cancellations, refunds, and access management;
• integrate marketing analytics platforms such as Voluum, Google Analytics, Meta CAPI, Amplitude, and others, and ensure that events are tracked and transmitted correctly;
• integrate various third-party services and APIs;
• develop new backend functionality and maintain the existing codebase using NestJS;
• develop user payment flows across the frontend and backend using React, Next.js, and NestJS;
• build and develop websites, including the product website, user account area, and marketing web funnels;
• develop and maintain website management systems based on headless CMS platforms such as Strapi and Payload;
• investigate payment and analytics incidents, and work with logs and monitoring tools such as Datadog;
• contribute to architecture design and code reviews;
• write E2E and unit tests for your own code, as well as for existing code as part of technical debt reduction.

What We Expect from You

• 4+ years of professional software development experience;

• experience with NestJS, TypeScript, React, and Next.js;

• required: experience with payment systems and web payments (Stripe, Solidgate, or similar), including subscriptions, webhooks, and recurring payments;

• required: experience with marketing analytics platforms such as Voluum, Google Analytics/Google Ads, Facebook/Meta, or similar;

• experience with PostgreSQL, REST APIs, and Docker.

Soft skills:

• ability to work independently and take responsibility for results;
• strong attention to detail, especially when working with users’ money;
• ability to communicate effectively with marketing and product teams.

Perks

• official employment and a competitive salary;

• paid vacation+5 personal days per year;

• full-time role with flexible start times and a hybrid setup (4 days in the office, 1 remote);

• support for growth: we cover professional courses, books, and conferences;

• private health insurance (including dental coverage);

• internal English classes;

• fast skill growth in a startup-paced environment;

• a culture of openness, respect, and honest feedback;

• minimal bureaucracy — maximum impact and momentum.

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