Senior Backend Engineer (Node.js) - praca zdalna

Firma Scrambly szuka osoby na stanowisko Senior Backend Engineer (Node.js): poziom senior, czyli decyzje podejmuje się tu samodzielnie. Oferta należy do kategorii „IT i programowanie” i jest w pełni zdalna. Firma nie ogranicza miejsca zamieszkania kandydata, więc zgłoszenie można wysłać z dowolnego miejsca.

Ogłoszenie wyróżnia jedno narzędzie: Node.js. To doświadczenie właśnie z nim przeważy.

Firma nie podała żadnej kwoty, ustala się to na rozmowie. Ogłoszenie nie stawia żadnych warunków co do godzin pracy.

Ta oferta przeszła automatyczną kontrolę: na listę nie trafiają ogłoszenia wymagające zagranicznego pozwolenia na pracę, sponsorowania wizy, określonego obywatelstwa ani zamieszkania we wskazanym kraju.

About Us Scrambly is one of the fastest-growing adtech startups in the world, featured in the AppsFlyer Performance Index and Singular ROI Index in just 3.5 years.

We’re growing 250%+ YoY across revenue, team, product, and technology - fully bootstrapped and profitable.

We’re building the future of app discovery: a reward-powered alternative to the App Store and Google Play. Our loyalty-driven ecosystem connects millions of users with the world’s top apps and delivers unmatched, ROI-focused growth for mobile advertisers.

Our mission is to build a true alternative to traditional app stores - fueled by rewards and data - and create a new, performance-first growth engine for mobile app advertisers.

About the Role We are looking for a Senior Backend Engineer to join the team building the core systems behind Scrambly . In this role, you will work across two key areas: user-facing product systems, solving complex scalability challenges for a platform serving millions of users globally; and the internal platform , covering admin systems, tooling, and back-office automation that power our operations team.

Your focus will be on writing robust, high-performance code and bridging the gap between product requirements and technical reality. You will work within a modern tech stack to ensure our systems remain fast, reliable, and easy to maintain as we grow.

Key Responsibilities

* Design & Implementation

* Design, build, and maintain high-performance, scalable backend services and APIs using Node.js ( NestJS )

* Write clean, maintainable, and testablecode that serves as a benchmark for the team

* Ensure seamless integration between backend services and frontend applications

* Architecture & Technical Strategy

* Propose and implement architectural improvements for core systems

* Design complex features with a focus on long-term scalability, extensibility, and maintainability

* Apply best practices for distributed systems and RESTful API design

* Mentorship & Code Quality

* Champion high code quality and engineering best practices across the team

* Mentor other engineers through constructive code reviews, technical guidance, and pair programming

* Foster a culture of technical curiosity and continuous improvement

* Performance & Infrastructure

* Monitor system performance, identify bottlenecks, and proactively resolve reliability issues

* Collaborate with DevOps to ensure smooth CI/CD pipelines, deployments, and infrastructure reliability

* Work with containerization and orchestration tools to manage application lifecycles

* Cross-functional Collaboration

* Work closely with Product, Design, Frontend, and QA teams to deliver high-quality features

* Translate product requirements into robust technical specifications

* Communicate technical constraints and trade-offs clearly to non-technical stakeholders

Requirements

* 5+ years of software engineering experience, with a strong focus on backend development

* Strong proficiency in Node.js and modern frameworks like NestJS

* Excellent system design skills and a solid understanding of backend architecture, RESTful APIs, and distributed systems

* Experience with cloud platforms (GCP preferred; AWS or Azure acceptable), containerization (Docker), and orchestration/IaC (Kubernetes, Terraform, Helm)

* Proficiency with relational (e.g., PostgreSQL), NoSQL (e.g., Redis) databases, and message queues (e.g., RabbitMQ, GCP Pub/Sub, Redis Pub/Sub)

* Hands-on experience with React , capable of implementing basic UI features for internal tools independently

* Strong communication and collaboration skills, comfortable working in a fast-paced team environment

* English: Upper-Intermediate or higher ( B2/B2+, written and spoken ). You need to be able to communicate clearly in English to work effectively in an international team and participate in architectural discussions

Nice to Have

* Experience in a B2C startup that has scaled to millions of users

* Basic proficiency in Go ; able to read, write, and maintain basic Go services without starting to learn from scratch

What We Offer

* Work on systems where performance optimizations translate to immediate user impact for millions of users

* A culture of code reviews, knowledge sharing, and mentorship where the best idea wins

* A fast-paced environment where your code quickly translates into real user value

* We value the stability and value of what you ship, not just the number of lines of code

* Flexible, remote-friendly working environment

* 15 days of paid vacation

* 5 days of paid days off

* 5 days of paid sick leave

* Maternity/Paternity leave

* National holidays based on your country of stay

Originally posted on Himalayas