Jobs Node.js

We are looking for a Senior Backend Developer to join a UK-based digital healthcare company that combines digital tools with clinical expertise to deliver medical and wellbeing services through its online platform.

You will work primarily on Node.js services, including the commerce side of the platform (payments, orders, subscriptions), and occasionally contribute to .NET services alongside the wider team.

What you'll do

• Design and build backend services in Node.js and TypeScript;
• Work on commerce functionality with Medusa v2 or an equivalent Node.js commerce or API framework;
• Integrate and maintain payment flows with Stripe;
• Build event-driven and background processing: queues, workers, webhooks;
• Work with PostgreSQL and Redis;
• Contribute to ASP.Net Core Web APIs when the team needs it;
• Work in a monorepo setup and contribute to frontend features in Next.js and React where needed;
• Cover your work with tests: Jest or Vitest, xUnit and Moq, Playwright.

Requirements

• 5+ years of commercial backend development experience;
• Strong Node.js and TypeScript;
• Experience with Medusa v2, or strong experience with another Node.js commerce or API framework such as NestJS;
• Working knowledge of C# and ASP.Net Core Web APIs;
• Solid experience designing REST APIs;
• Payments integration experience, ideally Stripe;
• Event-driven and background processing: queues, workers, webhooks;
• PostgreSQL and Redis;
• Familiarity with Next.js (App Router, server actions) and React;
• Monorepo tooling: pnpm, Turborepo;
• Docker and CI/CD (GitLab);
• Testing: Jest or Vitest, xUnit and Moq, Playwright;
• Good spoken and written English.

Nice to have

• Azure: App Service, Storage Queues, Key Vault;
• Kubernetes;
• Terraform;
• Headless CMS (Sanity or similar);
• E-commerce domain experience: carts, orders, promotions, subscriptions;
• Datadog or similar observability tooling.

We Offer:

• Remote work and flexible working hours.
• Legal support.
• Paid sick leaves.
• Paid vacations.
• Medical insurance. 
• Free English classes.

We are looking for a Senior Backend Developer to join a UK-based digital healthcare company that combines digital tools with clinical expertise to deliver medical and wellbeing services through its online platform.

You will work primarily on Node.js services, including the commerce side of the platform (payments, orders, subscriptions), and occasionally contribute to .NET services alongside the wider team.

What you'll do

• Design and build backend services in Node.js and TypeScript;
• Work on commerce functionality with Medusa v2 or an equivalent Node.js commerce or API framework;
• Integrate and maintain payment flows with Stripe;
• Build event-driven and background processing: queues, workers, webhooks;
• Work with PostgreSQL and Redis;
• Contribute to ASP.NET Core Web APIs when the team needs it;
• Work in a monorepo setup and contribute to frontend features in Next.js and React where needed;
• Cover your work with tests: Jest or Vitest, xUnit and Moq, Playwright.

Requirements

• 5+ years of commercial backend development experience;
• Strong Node.js and TypeScript;
• Experience with Medusa v2, or strong experience with another Node.js commerce or API framework such as NestJS;
• Working knowledge of C# and ASP.NET Core Web APIs;
• Solid experience designing REST APIs;
• Payments integration experience, ideally Stripe;
• Event-driven and background processing: queues, workers, webhooks;
• PostgreSQL and Redis;
• Familiarity with Next.js (App Router, server actions) and React;
• Monorepo tooling: pnpm, Turborepo;
• Docker and CI/CD (GitLab);
• Testing: Jest or Vitest, xUnit and Moq, Playwright;
• Good spoken and written English.

Nice to have

• Azure: App Service, Storage Queues, Key Vault;
• Kubernetes;
• Terraform;
• Headless CMS (Sanity or similar);
• E-commerce domain experience: carts, orders, promotions, subscriptions;
• Datadog or similar observability tooling.

We are looking for a Full-Stack Developer for our client, an Israeli FinTech product company building an AI-powered B2B platform for digital debt collection and payment management.

The platform helps large organizations automate outstanding payment management and customer communication using digital payments, conversational AI, behavioral analysis, and automation. AI is a core part of the production product, helping personalize communication and payment flows.

The company already works with large enterprise customers in Israel, including major insurance companies, so security, reliability, compliance, and data protection are critical.

The engineering team is small, giving developers significant ownership and direct influence over the product. The company also follows an AI-native engineering approach, actively using AI coding tools while keeping engineers fully responsible for everything shipped to production.

What You’ll Do

* Develop and improve an existing production FinTech platform

* Work across backend and frontend

* Build new services and features using Node.js / JavaScript

* Develop frontend functionality with React

* Work with and gradually modernize an existing PHP codebase

* Work with infrastructure on AWS

* Contribute to CI/CD and deployment when needed

* Build and integrate AI-powered functionality

* Participate in architectural and technical decisions

* Take ownership of features from requirements through production

What We’re Looking For

* Strong commercial Full-Stack development experience

* Strong Node.js / JavaScript skills

* Experience with React

* Experience with AWS

* Good understanding of modern web application architecture

* Basic understanding of DevOps and CI/CD

* Strong ownership and ability to work independently

* Ability to quickly understand unfamiliar codebases

* Willingness to work with existing PHP code when necessary

Deep PHP expertise is not required. What matters is being comfortable entering an existing PHP codebase and learning it quickly.

AI Experience

AI experience is an important part of this role.

We are looking for someone who:

* Actively uses Claude Code, Cursor, or similar AI coding tools

* Uses AI agents as part of their development workflow

* Has experience with products or features where AI/LLMs run in production

* Understands model limitations, reliability, and production risks

* Can evaluate when AI is the right solution and when it is not

* Takes full responsibility for AI-generated code shipped to production

Simply using ChatGPT occasionally is not the level of AI experience we are looking for.

Nice to Have

* Experience in FinTech, payments, banking, or insurance

* Experience with enterprise or regulated products

* Experience working with financial or sensitive data

* Hands-on experience integrating AI/LLMs into production

* Experience modernizing legacy systems

Who We’re Looking For

We are looking for a proactive engineer with a high level of ownership who can take a problem, investigate it independently, propose a solution, and take it through to production without constant supervision.

Dataforest is looking for a Senior Node.js Engineer to join an impactful software development project in the field of Cybersecurity.
 

About the Project: Work on an innovative AI-powered identity fraud detection platform. This real-time anti-fraud system determines whether an account is being accessed by its legitimate owner or an unauthorized party attempting to gain access—protecting businesses from financial loss and reputational risks.
 

About the Role: We are seeking a highly autonomous Senior Node.js Specialist (5+ years of experience) who can take complete ownership of technical solutions—from initial architecture and database design to client-facing communication.

In this role, you won't just follow tickets. You will analyze raw business requirements, design scalable backend microservices, write clean RESTful APIs, and interact directly with international stakeholders to shape product specifications.

 You'll be a great fit if you have:

• 5+ years of commercial backend engineering experience using Node.js and TypeScript.
• Frameworks: Deep hands-on experience with Express, Fastify, or NestJS.
• Databases & Data Handling: Practical experience with relational (PostgreSQL) or NoSQL (MongoDB) databases, asynchronous patterns, and data-intensive logic.
• AWS: Strong skills in Docker containerization and provisioning AWS cloud infrastructure.
• Testing: Proficiency with Jest (unit testing, mocking data layers, achieving 80%+ coverage).
• English Level: C1 (Fluent) — mandatory for direct client negotiation, requirement gathering, and technical alignment.
• High Ownership & Autonomy: Proven ability to work with incomplete requirements, make sound architectural decisions, and defend tech stacks independently.

Will be a plus:

• AI-assisted development workflow (e.g., GitHub Copilot, Claude, ChatGPT) paired with the ability to deeply explain and defend generated architectural and code choices.
• Experience in Cybersecurity, digital forensics, or identity access management systems.

 What you’ll do:

• End-to-End Ownership: Drive backend features from concept to production-grade deployment, defining RESTful API design, database strategy, and cloud deployment pipelines.
• Requirements & Client Engagement: Communicate directly with international client teams to clarify edge cases, form specifications, and propose architectural trade-offs.
• Backend & API Architecture: Design, build, and maintain high-performance, asynchronous RESTful APIs using modern Node.js frameworks (Express, Fastify, or NestJS).
• Infrastructure: Package services into production-grade Docker containers, provision AWS infrastructure.
• Testing & Quality Assurance: Maintain strong test coverage (80%+) using Jest, ensuring robust business logic validation, mocked data access, and clean code principles.

Overview 

Come join us as we scale our retail and commerce loyalty platform! PAR Retail is looking for a Senior NodeJS engineer on its expanding product engineering team as we build and grow our Open Commerce enterprise software-as-a-service platform. 

Open Commerce is a technology suite that enables marketing professionals in the fuel & convenience industry to create real-time, hyper-personalized offers and customer interactions across a variety of channels (mobile, web, SMS, and in-person) to drive customer behavior toward a desired goal. 

Our technology bridges financial payment providers, retail fuel pump technology, and customer experience by wrapping low-level standards-compliant integrations with powerful software abstractions on an ultra-modern software platform. Our platform services and applications are built using a broad swath of technologies (Typescript, NodeJS, Ruby, React, and others), interconnected via GraphQL and RabbitMQ, and run in AWS using Terraform, Helm and Kubernetes (via EKS). 

PAR Retail has its headquarters in Philadelphia, Pennsylvania (USA) and leverages a diverse distributed product engineering and operations team across the United States and Ukraine. PAR Retail offers highly competitive compensation and benefits, as well as an engineering-friendly and product-centric culture. On PAR Retail’s Open Commerce team, we embrace a deeply collaborative software product development process where engineering, design, and product collaborate to shape and ship new functionality. 

Successful candidates will enjoy PAR Retail’s friendly and flexible culture, and embrace our relentless drive to excellence and goal of providing the #1 retail marketing platform in the fuel & convenience industry and beyond. 

Responsibilities 

• Working with the team, design and implement new functionality based on product objectives and requirements. 
• Work with the broader product engineering team to plan and coordinate feature and functionality improvements, as well as resolve bugs and execute technical enhancements, that cross-cut large parts of our platform. 
• Work to continually learn, improve technology skills, expand knowledge of the Open Commerce platform technologies, and gain increasing versatility across the breadth of our platform systems. 
• Expand APIs and business logic, and as needed write or revise customer-facing API documentation. 
• Work with our infrastructure team to enable and enhance highly-available, performant, and well-instrumented backend applications and services that run in our customer environments at substantial scale. 

• Support operations and infrastructure teams for issue resolution on relevant Open Commerce applications or services running in production environments. 

   

Qualifications 

• Practical experience building systems in Node.js 
• At least 5 years industry experience or equivalent 
• Experience building and maintaining backend APIs, including design, implementation, evolution, and maintenance 
• Familiarity with TypeScript, or similar modern strongly-typed language 
• Proficiency using both relational and non-relational database technologies 
• Strong understanding and familiarity with CI/CD pipelines and automated testing 
• Basic knowledge Docker and Kubernetes 
• Familiarity with OAuth and JWT 
• Some experience with front-end JS technologies, esp. React or Angular 
• An ability to work in service-based architectures 
• Highly independent and able to effectively self-organize and prioritize work 
• The ability to write clean code, and the discipline to write effective automated unit tests in order to deliver high-quality system improvements 
• An ability to effectively break down larger bodies of work for delivery as a series of small, self-contained changes to the system 
• Excellent spoken and written communication skills 

• BS/MS degree in Computer Science, Engineering, or equivalent years of professional working experience 

   

Bonus Points 

• Experience with Nest.js and/or GraphQL 
• Experience with Ruby on Rails 
• Experience with AWS 
• Experience working in distributed teams 

• Experience in the retail and/or fuel & convenience industries 

   

PAR Retail Offers:

- Long-term employment;

- Competitive compensation with regular performance-based salary and career development reviews;

- Paid vacations and sick leaves;

- Flexible working hours;

- A unique and friendly environment where everyone can explore and learn new technologies.

Backend Developer (Node.js / TypeScript): Android Infrastructure, Reverse Engineering, High-Load

We are looking for a strong Backend Developer for a high-load project connected with Android infrastructure, reverse engineering, network traffic analysis, and processing large amounts of data.

The main backend is built on Node.js, so strong knowledge of JavaScript and TypeScript is required.

Please note: this is not a web development position. You will work with software — native Android applications, their internals, and their network communication — not with websites or browser-based web applications. Candidates without hands-on experience working with software at this level will not be considered.

Responsibilities

• Develop and maintain backend services using Node.js / TypeScript.
• Work with high-load and distributed systems.
• Design systems for storing and processing large amounts of data.
• Work with PostgreSQL, ClickHouse, and Redis.
• Optimize database queries, indexes, and data structure.
• Work with replication, sharding, partitioning, distributed data, high availability, and fault tolerance.
• Work with Kubernetes infrastructure.
• Find and fix performance problems in backend, databases, and infrastructure.
• Analyze network traffic and the communication of native Android applications.
• Work with traffic sniffing and proxy tools.
• Understand how mobile applications communicate with backend services and APIs.
• Analyze requests, responses, headers, payloads, tokens, and sessions.
• Work with existing code and systems with limited documentation.
• Find technical problems and propose solutions independently.
• Work with distributed workers, services, and nodes.

Required Skills

Software / Reverse Engineering / Network Analysis (mandatory)

• Hands-on experience with Android reverse engineering (not just theoretical understanding).
• Practical experience intercepting and analyzing traffic of native applications (mitmproxy, Burp Suite, Charles, Frida, or similar).
• Understanding of Android architecture.
• Good understanding of HTTP / HTTPS.
• Understanding of TLS, including certificate pinning and how it affects traffic analysis.
• Experience with proxy-based traffic analysis.
• Understanding of authentication, sessions, cookies, and tokens at the application level.

Backend

• Strong experience with Node.js.
• Strong knowledge of JavaScript and TypeScript.
• Good understanding of async programming.
• Understanding of the Node.js event loop.
• Experience with REST API and WebSocket.
• Experience with high-load backend systems.

Databases

• Strong experience with PostgreSQL.
• Strong experience with ClickHouse.
• Strong experience with Redis.
• Good understanding of indexes, query optimization, query plans, replication, sharding, partitioning, distributed databases, data consistency, and high availability.

Experience with large databases and high traffic is very important.

Infrastructure

• Kubernetes.
• Docker.
• Linux.
• Experience with cluster systems.
• Understanding of networking, load balancing, and horizontal scaling.
• Ability to find CPU, RAM, disk, and network bottlenecks.
• Experience with logs and monitoring.

Important: read before applying

This role is about software, not web applications.

Our backend does not serve a website or a typical web product. It supports infrastructure built around native Android applications: we analyze how the apps work, how they communicate over the network, and we process the data at scale.

This is a strict requirement:

• You must have real, practical experience working with software (native/mobile applications): analyzing app behavior, intercepting and inspecting traffic, understanding protocols, sessions, and tokens at the application level.
• Experience limited to web development (websites, admin panels, CRUD APIs for web frontends, e-commerce, CMS) is not sufficient, regardless of seniority.
• Applications without this experience are not reviewed.

The candidate should understand the full system:

application → network → backend → databases → infrastructure

The developer should be able to work independently, research technical problems, understand existing systems, and find solutions even when documentation is limited.

Level

Strong Middle / Senior Backend Developer

Will be a plus

• Large-scale data processing.
• Complex or undocumented APIs.
• Systems with many workers and nodes.
• Experience with Frida, native libraries (JNI / .so), or protocol analysis beyond HTTP (protobuf, gRPC, custom binary protocols).

Is game engine logic and RTP calculation your superpower? There’s a chance to join a fresh team at a leading iGaming company as a Senior Software Engineer. TOP conditions await: above-market salary, quarterly bonuses, unlimited PTO, and a stable home for years to come!

This role sits at the intersection of engineering, game mathematics, platform, and compliance. You’ll work on the tools, frameworks, and services that enable our mathematicians and game teams to build, validate, run, and monitor game logic in production.

This position is about deep ownership of a very specific technical domain: game engines, mathematical packages, simulation data, RTP monitoring, round details, and integrations with games developed both internally and by external studios.

You’ll be part of a small, experienced team with a high level of responsibility. The impact of this work is direct: incorrect game logic, missing round details, or inaccurate RTP monitoring can affect game delivery timelines, business performance, and regulatory readiness.

If you enjoy working close to complex domain logic, reviewing technical implementations, understanding how games work under the hood, and owning systems where precision matters – this role will feel like home.

Main Responsibilities

– Own, maintain, and evolve company’s Game Engine domain

– Work on internal frameworks and libraries used by mathematicians to implement game logic and mathematical packages

– Review and validate code written by mathematicians, ensuring quality, correctness, maintainability, and proper usage of internal frameworks

– Contribute to the development and support of game engines used to run mathematical logic within our platform

– Support integrations with external game studios by helping build wrappers and bridges between third-party game implementations and Playson’s platform

– Work with data structures and protocols that connect game logic with frontend and backend systems

– Contribute to RTP monitoring processes, including validation of production transaction data against simulation data and expected mathematical behaviour

– Support and evolve tools used for mathematical review, simulations, data files, monitoring, and alerting

– Implement and maintain round details logic required for regulated markets, ensuring that detailed game round information can be correctly provided to partners and regulators

– Collaborate closely with mathematicians, backend engineers, platform teams, compliance stakeholders, and product representatives

– Participate in code reviews and technical discussions to ensure a high engineering standard across the Game Engine domain

– Investigate issues related to game logic, mathematical validation, monitoring, and engine behaviour

– Participate in minimal on-call responsibilities related to the systems owned by the team, mainly around monitoring, alerts, and domain-specific incidents

– Take ownership of a highly specialised area where quality, accuracy, and attention to detail are essential

Mandatory Requirements

– Strong software engineering experience, ideally in backend, game engine, gaming, gambling, betting, or simulation-heavy environments

– Solid experience with Node.js/TypeScript, or strong expertise in another OOP language such as C++, Java, C#, Go, or Python

– Good understanding of software architecture, code quality, testing, debugging, and maintainability

– Experience reviewing complex code and providing clear technical feedback

– Ability to understand domain-specific logic and work with technical systems where business rules, mathematics, and engineering are closely connected

– Strong problem-solving skills and ability to work with complex, non-standard technical challenges

– Experience working with production systems where reliability, accuracy, and correctness are critical

– Understanding of backend systems, APIs, data flows, and service-to-service communication

– Ability to collaborate closely with non-engineering technical experts, especially mathematicians or domain specialists

– Strong ownership mindset and willingness to become a key expert in a narrow but highly important technical domain

– Product-oriented thinking, with an understanding that games are the core product and engineering decisions directly affect delivery, quality, and compliance

– English communication skills sufficient for working in an international environment

Nice to Have

– Experience in iGaming, gambling, betting, game development, or casino games

– Experience working with game engines, mathematical engines, simulation tools, or game logic frameworks

– Background in C++ or experience working with legacy C++ systems

– Experience with mathematical models, probability-based systems, simulations, random generators, or RTP-related logic

– Understanding of regulated markets and compliance requirements in iGaming

– Experience with ClickHouse or other analytical/columnar databases

– Experience with monitoring, alerting, and production diagnostics

– Experience with AI-assisted code review or automated validation tools

– Knowledge of microservices architecture and distributed systems

– Familiarity with Kafka, gRPC, Kubernetes, or AWS

– Experience integrating third-party games, external studio products, or wrapper-based solutions

– Ukrainian language skills would be a plus

We offer

– Competitive Salary

– Quarterly Bonuses

– Unlimited Paid Time Off

– Unlimited Paid Sick Leave

– Remote & Flexible Working

– Private Medical Insurance

– Financial Support for Life Events

– Professional Development Budget

– International Exposure

– Regular Company Events

*Benefits may vary depending on location and contractual agreement

Recruitment Process

– HR interview

– Technical interview (with Live coding)

– Final interview

Who we are     

We are a Ukrainian multiproduct company for more than 500.000 clients from 120 countries.  

Since 1997, we have been streamlining data workflows for professionals and teams with our intuitive and efficient software products. We’re committed to enhancing our customers' experience across the globe by minimizing data-related tasks and enabling them to focus on more inspiring goals. Whether it’s Fortune-100 companies or individuals, we provide a customer-centric approach, delivering high-quality solutions and exceptional support.  
   

Product that needs your engagement     

Mobion is a cloud-based white-label platform for ride-hailing and corporate transport services. Launched in 2016 by Devart, it supports operators in 6+ countries and has handled over 20 million rides for 4M+ users and 500K drivers.  

Our ecosystem includes rider and driver apps, a real-time dispatch system, admin dashboards, and branded web portals — all backed by a secure, scalable Azure infrastructure. We offer both SaaS and franchise models to help partners grow fast across regions. 
 

Your future team of professionals     

You will lead and work closely with the Mobion Backend Team, currently consisting of four Backend Developers. In this role, you will combine hands-on engineering with technical leadership, helping the team make sound architectural decisions, improve engineering practices, and deliver reliable backend solutions. 

We value ownership, curiosity, collaboration, and open feedback. You will play a key role in mentoring developers, driving technical improvements, and creating an environment where the team can grow while solving real product and business challenges. 

Your future challenges and opportunities 

Opportunities 

• Lead the technical evolution of a business-critical backend platform used across multiple countries.  
• Shape backend architecture, engineering standards, and technical practices across the team.  
• Modernize a mature Node.js/TypeScript platform while continuing to deliver business value.  
• Mentor Backend Developers and introduce modern engineering practices, including AI-assisted development. 
   

Challenges 

• Balance continuous product delivery with gradual modernization of a complex production system.  
• Reduce technical debt and architectural coupling without disruptive rewrites.  
• Strengthen automated testing, observability, reliability, security, and CI/CD practices.  
• Lead technical change while aligning decisions across Product, QA, DevOps, Architecture, and Engineering teams. 
   

Impact you will make  

As Lead Backend Developer, you will take technical ownership of Mobion’s backend platform, combining hands-on development with architecture, engineering improvements, and team leadership. 

• Lead backend architecture and technical decision-making for the Mobion platform.  
• Combine hands-on Node.js/TypeScript development with technical leadership of the Backend Team.  
• Drive the gradual modernization of legacy components while maintaining platform stability and delivery speed.  
• Improve system performance, reliability, observability, automated testing, and CI/CD practices.  
• Mentor Backend Developers, support technical growth, and strengthen engineering standards across the team.  
• Collaborate with Product, QA, DevOps, and Software Architecture to turn business needs into scalable technical solutions. 
   

Skills we are looking for     

• 5+ years of hands-on backend product development experience with strong proficiency in Node.js and TypeScript.  
• 2+ years of experience as a Team Lead, combining hands-on development with team leadership 
• Strong experience with SQL and NoSQL databases, including PostgreSQL/MySQL and Redis.  
• Experience designing and evolving distributed systems, REST/WebSocket APIs, and event-driven integrations.  
• Experience modernizing legacy systems through incremental refactoring, automated testing, and CI/CD practices.  
• Solid experience with cloud-native production environments, including Azure, Kubernetes, observability, reliability, and application security.  
• Experience driving technical improvements across architecture, code quality, and engineering practices, combined with strong mentoring and leadership skills. 
• Experience or strong practical interest in AI-assisted engineering and spec-driven development.  
• Experience with mobility, logistics, or transportation products is a plus. 

Benefits you get 

• Maintain your work-life balance 

Manage your own working hours with our flexible schedule 

19 days of annual vacation granted on a pro-rata basis 

No overtimes required 

• Hybrid type of cooperation 

Whether you prefer to work remotely in the comfort of your home office or from one of our 4 offices, you can still take part in increasing the world`s awareness about quality Ukrainian products from any part of the world 

• Stay healthy 

Medical insurance from one of the top insurance companies in Ukraine with a wide range of included services, as well as special programs for relatives; and special options for those who live abroad. 

15 working days of sick leave per year — because your health is a priority. 

• Grow with us 

In-house English courses — increase your proficiency through our online courses and speaking clubs with a native speaker 

Online learning activities — workshops, lectures, and webinars to enhance your leadership, management, and self-awareness skills 

Experience exchange — we are proud of our team of professionals who gladly share their deep expertise in all kinds of fields with the rest of the team 

Promotions, rotations, and transitions — when you believe your skills could benefit a different role or team. 

• Stand with Ukraine! 

We have an active pro-Ukrainian position, and that means we help our army, our servicemen, and their families not only through constant donations and volunteering, but also through our military leave policy, special health insurance options, and financial help 

We are a perfect match if you share our values 

We are professionals in our field. 

We know how to turn up our professionalism to the maximum, because we are experts who enjoy solving complex tasks. 

We know how to focus on the product, think big, and at the same time delve deep into the details. 

We create a calm and friendly atmosphere within the company. 

We value the freedom of open and transparent communications. 

Radical honesty is embedded in the foundation of our culture. 

We are open to new things and constantly develop and practice regular knowledge sharing, which helps us evolve continuously. 

Most importantly, the company creates an environment where we can fulfill our potential upon a solid foundation. 

Our Hiring Process 

• Recruitment Interview 
• Technical Interview 
• Case Interview 
• Offer Call 

We strive to ensure transparency and openness in the hiring process, and we understand the importance of providing timely feedback. If your resume meets the job requirements, we will contact you to clarify details and schedule an interview within 2 weeks after your application is submitted.  

The timeframe for feedback between interview stages may take up to 2 weeks. 

Galaktica — українська продуктова IT-компанія, що з 2019 року створює мобільні застосунки та вебпродукти для ринків Tier-1. У команді 350+ фахівців з провідною експертизою, які працюють з різних куточків світу. Ми розвиваємо міжнародні продукти, експериментуємо з підходами і швидко масштабуємо рішення, які покращують життя мільйонів користувачів.

Важливою складовою бізнесу Galaktica є благодійність. З 2022 року ми спрямували велику кількість волонтерської допомоги в різні напрямки. У першу чергу, підтримка ЗСУ: десятки позашляховиків і комерційних квадрокоптерів, сотні FPV-дронів, НРК з турелями, квадроцикли. Також розвиваємо два благодійні фонди: робимо фокус на реабілітації військових і на підтримці дітей військовослужбовців та постраждалих від війни.

Про роль

Ти долучишся до створення продукту з нуля — від проєктування backend-архітектури, баз даних та API до запуску й подальшого масштабування повноцінного рішення на міжнародному ринку. Це можливість не просто реалізовувати готові технічні завдання, а безпосередньо впливати на технічний фундамент продукту, пропонувати рішення та закладати основу для його подальшого росту.

Ми шукаємо Senior Backend Developer, який не просто реалізує готові технічні завдання, а здатний самостійно закласти backend-фундамент продукту: спроєктувати архітектуру, бази даних та API, аргументувати технічні рішення й пропонувати кращі підходи. Тут ти зможеш закласти технічний фундамент продукту, який має амбіцію масштабуватися на глобальний ринок і стати корисною частиною життя великої кількості користувачів.

Твоїми задачами буде

• Спроєктувати backend-архітектуру продукту з нуля: структуру БД, API, авторизацію, ролі доступу, інтеграції та середовища з урахуванням подальшого масштабування;
• Розробити та підтримувати backend-функціонал на Express.js / Node.js / TypeScript, зокрема серверну логіку ключових MVP-сценаріїв: профілі, фото, discovery, like/pass, matches, block/report;
• Проєктувати й оптимізувати MySQL-схеми, таблиці та запити, працювати з Redis, кешуванням і чергами та забезпечувати продуктивність під високі навантаження;
• Забезпечити відмовостійкість і якість сервісів: логування, моніторинг метрик, аналіз помилок, рефакторинг і впровадження нових стандартів якості коду;
• Підтримувати якість технічної реалізації: писати unit- та integration-тести, вести документацію по API, схемах даних і ключових технічних рішеннях;
• Тісно взаємодіяти з Product Manager, frontend, QA, DevOps та архітектором: брати участь у грумінгах, плануванні й code review, пропонувати та аргументувати технічні рішення, а не лише виконувати готові ТЗ.

Що для нас важливо

• Маєш 5+ років досвіду в backend-розробці та сильну експертизу в Node.js / Express.js і TypeScript; впевнено працюєш з REST API, WebSocket, інтеграціями зі сторонніми сервісами, Jest і базово — з Docker;
• Маєш практичний досвід запуску сервісів або продуктів з нуля: самостійно проєктував архітектуру, структуру реляційної БД і таблиць з урахуванням майбутнього масштабування;
• Глибоко працюєш з MySQL (складні запити, індексація, оптимізація), Redis і розподіленими системами; умієш проєктувати масштабовані рішення та пояснювати архітектурні компроміси;
• Проактивний і самостійний у рішеннях: умієш не погодитися, аргументувати кращий підхід і брати відповідальність за результат. AI використовуєш як допоміжний інструмент для навчання, перевірки чи рутини, а не як заміну власному інженерному мисленню.

Буде плюсом

• Маєш практичний досвід роботи з high-load системами та оптимізації продуктивності під значним навантаженням;
• Знаєш React та суміжні технології (Redux/Next) і/або маєш досвід впровадження безпекових інструментів backend.

Що ти знайдеш у нас

• Стабільність, на яку можна спертися
  Щодня ми будуємо продуктовий бізнес із довгостроковим баченням та стабільним зростанням. У нас тобі не доведеться обирати між надійністю та розвитком -  можна одночасно працювати над складними задачами та бути впевненим у завтрашньому дні.
• Гнучкість і комфорт
  Обирай формат роботи, який підходить саме тобі: remote, hybrid або офіс у Києві, Львові, Одесі чи Ларнаці. Ми надаємо все необхідне для роботи: ноутбук, монітори, інші гаджети та компенсацію на облаштування домашнього робочого простору. Усі офіси обладнані генераторами та Starlink і доступні для команди 24/7. Робочий графік - з 10:00 до 18:30.
• Турбота про себе
   3 тижні оплачуваної відпустки, необмежені day off та гнучкі sick leaves без зайвої бюрократії. Також ти можеш обрати медичне страхування або wellness-бюджет на спорт, психолога, масажі, wellness-процедури чи вітаміни. Додатково компенсуємо 50% податків для співробітників та надаємо повний супровід релокації на Кіпр або Мальту, включно з бухгалтерською і юридичною підтримкою.
• Середовище для зростання
  Ми підтримуємо професійний розвиток співробітників та компенсуємо від 50% до 100% вартості профільних конференцій, тренінгів, сертифікацій, онлайн-курсів і зовнішніх освітніх заходів. У компанії працюють власна LMS-платформа, бібліотека та книжковий клуб. Крім того, наші сертифіковані коучі проводять внутрішні навчання та індивідуальні коуч-сесії, допомагаючи розвивати лідерські навички, досягати професійних цілей і краще розуміти власні сильні сторони. Для розвитку міжнародної комунікації компенсуємо 70% вартості індивідуальних занять з будь-якої іноземної мови та підтримуємо English Speaking Club.
• Вплив, який відчутний
  У нас немає ролей «для процесу». Ми цінуємо людей, які бачать можливості, беруть відповідальність і впливають на результат. Твої ідеї не губляться в шарах погоджень - вони можуть перетворюватися на нові продукти, напрямки та рішення для бізнесу.
• Професійне середовище
  Ми віримо, що сильні продукти створюють сильні команди. Тут легко знайти однодумців, отримати підтримку, обмінятися досвідом і разом святкувати перемоги. Спільні спортивні активності, корпоративні тренування з волейболу, бігу та йоги, тімбілдинги, офлайн-зустрічі та внутрішні івенти - від камерних вечорів до масштабних виїзних заходів - є важливою частиною нашої культури.

🔗 Дізнайся більше про нас:

🌐 Galaktica  — https://galaktica.io/ 

📸 Instagram  — https://www.instagram.com/galakticateam/ 

🎥 Galaktica. Візитівка  — https://www.youtube.com/watch?v=4uQNIDPdjBg 

Будемо раді обговорити всі твої запитання та запросити на перший етап співбесіди!

Наголошуємо, у разі зацікавленості команди у твоїй кандидатурі, ми зв’яжемося будь-яким зручним способом для детального обговорення нашої вакансії!