Jobs Node.js

Who we are:
Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies in a wide range of industries. 

About the Product:
Zenity is the first security governance platform built specifically for AI Copilots, Low-Code/No-Code applications, and business-led development. Enterprises today create thousands of automations, workflows, copilots, and integrations outside traditional R&D—introducing new, fast-moving security risks. Zenity provides organizations with:

• Real-time detection of misconfigurations, unsafe data flows, and policy violations
• Centralized visibility across hundreds of business-driven apps and automations
• Security guardrails for GenAI and LLM-powered tools
• Prioritized vulnerability reports and guided remediation

About the Role:
Zenity is hiring a Senior Backend Engineer to help drive the evolution of its security platform for AI and Low-Code ecosystems. The perfect candidate will be passionate about building large-scale, cloud-based solutions. You’ll be working in a dynamic, Agile setting, helping to drive the ongoing development and enhancement of the platform.

Key Responsibilities: 

• Design and build backend services powering security governance for GenAI, Copilots, and Low-Code platforms
• Deliver end-to-end product features used by enterprise customers at scale
• Develop detection logic, data flows, and validation layers for complex workflows and automations
• Work with distributed systems, microservices, and cloud-native components
• Build and optimize SQL schema, queries, data models, and near-real-time processing pipelines
• Participate in design reviews, collaborate closely with product and security teams, and contribute thoughtful technical decisions
• Implement security-focused backend solutions that help enterprises adopt AI responsibly
• Use AI-assisted development tools (Copilot, Cursor, Claude Code, etc.) as part of the day-to-day workflow

Required Competence and Skills:
 

• 7+ years of software engineering experience with proven delivery of production features
• Strong Node.js or Python experience, working on core product systems with real user impact
• Readiness to work with Python – as main language and also with Node.js and Golang – up to 20%
• Strong SQL fundamentals; hands-on experience with PostgreSQL/MySQL plus familiarity with MongoDB or DynamoDB
• Experience building distributed systems or microservices, including observability and CI/CD automation
• Solid cloud background (AWS preferred) and hands-on work with Docker and container-based deployments
• Practical use of AI-assisted development tools and understanding of context engineering / AI-first development principles
• Experience contributing to high-scale or customer-facing products
• Strong communication skills in English, plus experience collaborating with distributed teams
• Ownership mindset and the ability to take a feature from design to production

Nice to have:

• Background in data engineering, streaming, or maintaining near real-time data pipelines
• Experience designing ETL/ELT pipelines or large-scale data systems
• Hands-on with Kubernetes
• Experience with workflow orchestration (Temporal, Cadence, or similar)
• Ability to work across multiple languages (Python + Go or Node.js)

Why Us?

We provide 20 days of vacation leave per calendar year (plus official national holidays of the country you are based in).

We provide full accounting and legal support in all countries in which we operate.

We utilize a fully remote work model with a powerful workstation and co-working space in case you need it.

We offer a highly competitive package with yearly performance and compensation reviews.

Our platform simplifies the entire journey—from selecting a product, to purchasing, connecting, and launching it. We aim to challenge outdated and complex processes such as DNS configuration, subscription management, switching between products or add-ons, and more. By leveraging modern technology, we remove complexity behind the scenes and provide customers with an intuitive, world-class experience.

This platform will unify how customers interact with digital products, making complex operations easy for anyone and redefining what “seamless” means in our industry and beyond.

Your expertise:

• Solid proficiency with JavaScript (ES6+)
• Basic to intermediate TypeScript knowledge and willingness to grow
• Experience with Node.js server-side development
• Knowledge and experience with Docker
• Practical experience working with SQL (queries, schemas, indexing basics)
• Experience with at least one major cloud provider (AWS / Azure / GCP)
• Understanding of asynchronous programming in Node.js
• Awareness of clean code principles and maintainable coding practices
• Understanding of Object-Oriented programming
• Basic understanding of SOLID principles
• Experience writing unit tests (integration tests is a bonus)
• Understanding of HTTP protocol
• Basic familiarity with common web security threats and mitigation
• Proficient understanding of Git
• Willingness to work across all stages of the application lifecycle: development, environments, deployments, maintenance
• Systematic approach to problem-solving

Will definitely be a plus: 

• Experience with another programming language besides JS / TS
• Basic understanding of client-side concepts:
  • event loop, micro/macro tasks
  • browser as a platform and devtools
• Experience with ReactJS and its ecosystem
• Competent English (reading, writing, speaking)
  
  You will be involved into:
• Participate in full-cycle development of backend features (and occasionally frontend)
• Support and maintain existing functionality
• Contribute engineering expertise to help deliver new product functionality
• Implement features according to product vision with proper test coverage
• Validate functional and non-functional requirements
• Collaborate with business stakeholders when needed to deliver high-quality functionality

Company is looking for a Senior Backend Engineer to help build the infrastructure that secures the world’s software supply chains. You’ll work closely with top-tier engineers to design and ship high-performance, secure systems at scale.

This role is a great fit for someone who thrives in fast-moving environments, enjoys solving deep technical challenges, and wants their work to have real impact.

    Responsibilities

• Design, build, and maintain scalable backend services and APIs
• Develop reliable, secure, and high-performance systems in a production environment
• Work with SQL and NoSQL databases to support application needs and performance goals
• Collaborate with engineers to design and improve microservices - based architecture
• Contribute to clean, maintainable codebases and strong engineering standards

• Troubleshoot and resolve complex issues across services and infrastructure

   

  Requirements

• Bachelor’s degree in Computer Science or a related field
• 5+ years of backend development experience building scalable applications
• Strong proficiency in Node.js
• Advanced knowledge of PostgreSQL, Redis, or MongoDB under high load
• Familiarity with cloud services and microservices architecture: must have experience breaking down monolithic applications into microservices.
• Excellent problem-solving skills and a commitment to clean, maintainable code
• Proven track record of solving performance bottlenecks in high-volume data systems.
• Experience with SAST, SCA, or relevant security tools.

Company is looking for a Senior Backend Engineer. As a Senior Software Engineer you will take a significant part in the development of company’s core payments platform. Company's payments platform provides secure and efficient payment processing by optimizing payment routing flows, ensuring transaction security, and managing refunds. You will work with diverse payment gateways to enable a wide range of alternative payment methods, build expertise with various digital wallets, credit options, and region-specific payment solutions, while also implementing fraud detection capabilities, manage the full lifecycle of chargebacks, and take part in building company's data lake for analytics and operations. If you are passionate about technology and software development, with end-to-end experience developing in a fast-growing startup environment, we want to meet you!

Responsibilities 
• Building our high scale cloud-based payments platform in Node.js • Have end to end ownership: Design, build, ship, measure and maintain low latency, high availability and high performance services. 
• Bring your unique experience - we are open to new ideas and expect you to bring our team and platform to a new level 
• Optimize resource usage (database, infrastructure, integrations) 
• Mentor and guide software engineers and help build a professional and effective team. 

Requirements: 
• At least 5 years of proven experience in developing end-to-end web applications (experience in Fintech companies - advantage) 

• Proficiency with cloud-based environments (AWS - preferred) 

• Proficiency with Node.js / Python / Java

• Experience with Docker 

• Experience with NoSQL solutions (MongoDB, Redis - advantage) 

• Experience with Microservices 

• Excellent problem-solving and troubleshooting skills 

• Knowledge of software development lifecycle 

• Strong communication and collaboration abilities 

• Self-motivated with a startup mindset and ability to work independently

Moon Active is one of the world's top mobile game companies, our teams leverage cutting-edge technologies to craft fun and interactive games enjoyed by millions worldwide. We produce exciting and engaging entertainment for players across the globe and pride ourselves on developing top-quality casual games that invite and allow players to connect with one another.

As a BackEnd Developer, you will be working in a scrum team implementing new features and improving existing code for our most popular game. We are looking for a Strong developer to join an engineering team that is responsible for building complex, high-scale, and real-time systems.

We work with Node.js/Redis/Neo4j/K8s/Microservices, 24/7 serving 100k req/sec, 200k+ req/sec at peaks, Redis used as the main storage, handling terabytes of data and 200M ops/min.
 

Responsibilities:

• Delivering new game features every few weeks;
• Building distributed systems and microservices;
• Mainly developing real-time mobile game server with Node.js and Redis;
• Working with the Kyiv-based cross-functional team that also includes Unity developers and QAs.

Requirements:

• Backend development experience (any OOP language, ex. Node.js, Java, C#, etc.);
• Familiarity with Node.js - must;
• Willingness to operate within an AI-first approach for development productivity and feature integration;
• Experience with distributed systems and microservices architecture;
• Experience with NoSQL databases (ex. Redis);
• Experience with Backend development of real-time web services;
• Experience in a high scale system will be a plus;
• Experience working with Scrum teams will be a plus;
• Good spoken and written English is a MUST.

Benefits:

Why join Moon Active? 

• Be part of a leading global mobile gaming company with a unique product enjoyed by millions;
• Thrive in an exceptional, innovative, and dynamic environment;
• Enjoy full transparency and open communication with talented colleagues across teams;
• Take advantage of tremendous opportunities for professional growth and career advancement within a rapidly expanding company;
• Influence and help build personalized product experiences that impact millions of users worldwide.

We offer:

• Generous compensation; paid vacation and sick leave;
• Extensive medical and life insurance coverage for you and your family;
• CrossFit & running classes at the office and MultiSport card;  
• Comfortable and modern office located on Królewska 16 street in Warsaw;
• Free daily breakfasts and lunches, and a fully stocked kitchen with snacks and fruits;
• Latest tech equipment, including macOS devices;
• Training & Development/Tuition reimbursement;
• Friend Referral Program with generous bonuses;
• Fun and collaborative workplace culture with regular Friday Happy Hours and team gatherings;
• Relocation bonus for candidates moving to Warsaw;
• Bicycle and Car parking.

We Play to Win! We Play it Smart! We Play as a Team!

We are committed to investing in our employees and fostering a workplace that champions innovation, creativity, and collaboration. At Moon Active, we empower our team members to unleash their potential and achieve remarkable results every day. We encourage bold decision-making and believe that every individual has a significant impact on our success. Join us and level up your career in a supportive and high-achieving environment!

Technologies

Core:

• Node.js (Express, MongoDB)
• Python (TensorFlow, OpenCV)
• Docker, Redis, FFmpeg
• AWS (Lambda, SQS, ECS)

Additional:

• React/Next.js, WebRTC
• Machine Learning
• REST API, microservices

Example Tasks

• Build a parser for kick.com streams
• Add a “team kill” highlight in CS2
• Implement player camera detection in live video streams

Requirements

Must-have:

• 2+ years of experience with Node.js or Python
• Knowledge of microservices, MongoDB, Redis
• Git, Docker, REST API

Preferred:

• Experience with FFmpeg
• Knowledge of AWS, ML
• Understanding of the esports industry

Format & Conditions

• Salary: $2000–3500, regular reviews
• Remote, flexible schedule
• Exciting projects involving video, AI, and system scaling
• Growth opportunities to Senior/Tech Lead

BigD is seeking a talented Strong Junior/Middle Backend developer to join our dynamic team. BigD is an iGaming operator focused on the LATAM (top brand). But that’s not all — we also have a thriving Affiliate Program, a handy Payment solution, and an AI user acquisition solution. We are a big family of over 500+ creative minds.

What to do:

• Develop and maintain backend services using Nest.js and TypeScript.
• Design and implement RESTful/GraphQL APIs for internal and external use.
• Work with message brokers (RabbitMQ / Kafka) to handle asynchronous communication and event-driven processes.
• Build and optimize database schemas in PostgreSQL and MongoDB.
• Use Redis for caching and data optimization (good to have).
• Ensure application performance, scalability, and reliability in a high-load environment.
• Write unit and integration tests to maintain code quality.
• Participate in code reviews and contribute to team knowledge sharing.
• Collaborate with frontend developers, DevOps, and product managers to deliver features on time.
• Troubleshoot and debug production issues.
   

We are looking for:

• 1.5–3 years of commercial experience as a Backend Developer (Node.js / Nest.js).
• Strong knowledge of TypeScript and JavaScript (ES6+).
• Experience with Nest.js or other Node.js frameworks.
• Hands-on experience with RabbitMQ or Kafka.
• Solid knowledge of SQL (PostgreSQL) and NoSQL (MongoDB).
• Basic understanding of Redis (or willingness to learn).
• Understanding of microservices architecture and event-driven systems.
• Familiarity with Docker, CI/CD pipelines, and cloud environments (AWS/GCP/Azure is a plus).
• Knowledge of software design principles (SOLID, clean code).
• Experience with Git and collaborative workflows (GitFlow, Pull Requests).
  
  Working conditions:
• Direct communication with the core TEAM
• 28 calendar days of vacation
• Paid sick leave
• Sports compensation
• Compensation for courses and training
• Day off for birthday
• Flexible work schedule
• Regular salary reviews
• Salary paid at a favorable rate
• Non-toxic work environment, free of bureaucracy
• Stable salary payment

Who are we, and what do we aspire to?
Liven is a product company that builds a companion for self-discovery.
We believe that self-discovery is a lifelong journey and want to help people navigate it every step of the way. That’s why Liven is building a system of tools to help people compose themselves and grow into who they want to become.
People use Liven to track their mood, process emotions, and untangle thoughts by chatting with an AI companion. They build new routines with a task planner, explore how their brain and body react to trauma through personalized courses, take well-being quizzes, and relax or refocus with soundscapes.
Our goal is to become the most trusted self-discovery companion globally. Liven is here to define and lead the mental wellbeing category. We aim to earn global trust by building an ecosystem of context-aware products for self-care and improvement. Our brand is optimistic and whimsical, yet wise and practical. We’re Liven! We bring joy back to life!

What will you enjoy most about being on the Liven team?
Since 2023, we’ve been scaling non-stop. We’re expanding the product, the team behind it, and our global reach. Liven has grown a lot since it was just a team of four. But our priority remains the same: building a vibrant culture where we share ideas, speedrun through challenges, and shape the business together.

The Role You’ll Own Senior/Lead Backend Engineer

• Owning backend development within the product domain and actively shaping technical decisions
• Working closely with stakeholders to turn business needs into practical, well-designed solutions
• Setting a high bar for code quality and encouraging best engineering practices in everyday work
• Collaborating with cross-functional teams to improve system integration and make processes smoother
• Continuously evolving the codebase, architecture, services, and development practices
• Leading, mentoring, and coordinating the backend development team

Preferred Experience:

• 5+ years of hands-on backend development experience (Node.js or Python)
• Experience in people management, with a genuine interest in growing and supporting a team (will be a plus)
• Strong communication skills and the ability to work effectively with both technical and non-technical stakeholders
• Ability to work within a dynamic environment

Our Stack:

Node.Js, Nest.js, Typescript, Postgres, Redis, Mongodb, BigQuery, GCP

Why Liven?
People join Liven to bring to life the aspirations they once only dared to imagine.
Here’s what we offer to support you personally and professionally while you grow with us:
— A culture that values your ideas and empowers initiative.
— A growing team of over 150 passionate professionals.
— Health insurance, in-house doctor, and massage therapy.
— Internal professional clubs on marketing, development, payments, customer experience, and entrepreneurship.
— Sports and passion clubs: functional training, stretching, yoga, running, board games and more.
— Opportunities for continuous learning and growth.
— Meaningful work that makes a real impact.We also fund projects that help overcome the consequences of the war and contribute to Ukraine’s recovery through the SKELAR foundation, a charity created and run by our employees.
If you want to shape a product that helps people face challenges, process emotions, heal from trauma, rebuild a positive self-image, and rediscover joy — Liven is the place for you!

N-iX is looking for a Lead/Senior Node.js Engineer for one of our clients.

The first Israeli SMS aggregator - connecting businesses of all sizes to the world with an API that developers love with a live, large-scale messaging platform powering tens of millions of events daily under strict SLA requirements. We provide the backbone infrastructure that enables reliable and real-time communication at scale.

Role mission
Join the core engineering team of client, a live large-scale messaging platform, and act as a production-grade backbone engineer responsible for systems processing tens of millions of events per day under strict SLA requirements.

This is a long-term, full-time role focused on stability, scalability, and reliability, rather than feature velocity at the expense of quality.

Key Responsibilities:

• Design, develop, and maintain large-scale messaging and event-driven backend platforms.
• Drive migration initiatives from monolithic to microservices architectures.
• Champion low-latency, real-time system operation (WebSockets, Socket.IO, streaming pipelines).
• Ensure reliability and observability through strong monitoring and incident handling systems.

• Collaborate and integrate deeply with the engineering team to guarantee long-term platform evolution and quality.

   

Mandatory Experience:

• Backend Engineering: 6+ years of hands-on backend experience.
• Expertise: Node.js, TypeScript at a production and expert level.
• Architecture: Microservices design and migration from monoliths.
• API Design: REST, OpenAPI / Swagger.
• High-Load Messaging: Proven experience with high-throughput systems; message queues/event-driven (Kafka or RabbitMQ mandatory).
• Resilience: Handling backpressure, retries, DLQs, idempotency, rate limiting, failure isolation.
• Realtime Systems: Experience with realtime systems (WebSockets, Socket.IO, WebRTC, streaming pipelines), processing telemetry or delivery reports.
• Databases & Caching: PostgreSQL/MySQL (schema design, performance tuning), Redis for caching/buffering.
• Cloud & Deployment: Strong experience with GCP, Docker, CI/CD pipelines.
• Observability: Prometheus, Grafana, Datadog, Sentry, or Kibana.

• Production Readiness: Experience in incident response and on-call rotations.

   

Strong Advantages (Nice to Have):

• Payments, fintech, or banking system experience.
• Security and authentication (JWT, OAuth2).
• Infrastructure as Code (Terraform).
• Kafka at scale.
• Technical leadership, system ownership roles.

• Experience with unstable third-party APIs.

   

Soft Skills:

• Strong ownership and system-level thinking.
• Calm under pressure, Excellent English communication.
• Team-first orientation (not freelance-focused).

• Proactive and independent within a collaborative environment.

   

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

Join us as a Senior Node.js Developer and become part of a team that builds an innovative product with clean code, bold solutions, and a strong team spirit! You’ll work directly with stakeholders, influencing key decisions and driving product growth.

Zeely AI is a platform that leverages artificial intelligence to generate viral UGC videos and ad banners, and to launch effective ad campaigns on Facebook and Instagram — helping small businesses get noticed and grow. We already have 1 million users in the US, making us one of the Top 3 players in our vertical on the American market by active user count. 

Zeely is a stable product, growing more than 4x annually in the US, with a team of 130+ professionals. We are proud to be part of the Google for Startups Alumni community and official partners of Meta and TikTok. In 2024, Zeely was recognized among the Top 25 fastest-growing startups in Ukraine by Forbes.

Your key responsibilities:

• Developing and maintaining the back-end of web applications
• Designing and building REST APIs
• Working with PostgreSQL and Redis databases
• Integrating with third-party APIs
• Building and deploying applications on AWS (EC2, S3, CloudFront)
• Writing unit and integration tests
• Optimizing application performance
• Debugging and troubleshooting issues
• Writing technical documentation
• Conducting code reviews

What we’re looking for:

• 5+ years of commercial experience with Node.js applications
• 1+ years of experience with microservices architecture
• 2+ years of hands-on work with Redis and PostgreSQL/MySQL (data modeling, indexing, caching, ORM such as Prisma/TypeORM/Drizzle ORM)
• Experience with AWS
• 2+ years of experience with message brokers
• 1+ years of experience with Docker
• Understanding of scalable and reliable system design principles
• Experience with version control systems (Git)

Nice to have:

• 1+ years of experience with the NestJS framework
• Experience with payment systems
• Valid AWS certification
• Commercial experience with high-load systems
• Experience building back-end for iOS, Android, and web applications
• Experience with Terraform/Pulumi
• Commercial experience with AI APIs
• English level: Upper-Intermediate

Why it’s exciting to work with us:

• Work with cutting-edge technologies and contribute to building AI-powered tools
• Join a strong A-level team that motivates you to grow and achieve more
• Remote-first approach: work from anywhere, with the option to visit our offices in Warsaw and Kyiv
• Paid day offs and sick leaves — we care about your work-life balance
• Regular performance reviews to ensure your growth is transparent and rewarded
• Financial support — consultations for private entrepreneurs from our dedicated finance team

Recruitment process: Intro call > Test Task > Technical Interview > Final Interview > Reference check > Offer

Send us your CV — we’d love to get to know you better!

Our Customer:

A global technology company developing real-time video augmentation and rendering infrastructure for broadcast and streaming environments.

Your tasks:

• Develop and maintain the backend pipeline to monitor, synchronize, and manipulate video streams such as SRT & HLS and MySQL resources on the cloud;
• Integrate and manage modules written both in C++ and Node.js;
• Implement a complex metadata system over AWS, including S3 security access and acceleration;
• Design and deploy backend architecture (NodeJs) to manage data allocation and pipeline control;
• Create and maintain a dashboard to monitor pipeline status and performance.

Required Experience and Skills:

• Over 5 years of experience with Node.js;
• Experience with AWS, including S3, RDS, and CloudFront;
• Experience in real-time video processing;
• Deep understanding of rendering synchronization techniques for multimedia content in a web browser environment;
• Hands-on experience with WebGL;
• Familiarity with DRM video streams (SRT, HLS) and Image Processing in the browser;
• Excellent problem-solving skills and attention to detail;
• Ability to work independently and in a collaborative team environment;
• Strong communication skills;
• English – Upper-Intermediate.

Would be a plus:

• Experience with database management, particularly MySQL;
• Experience with C++ realtime programming;
• Knowledge of modern DevOps practices and tools;
• Previous experience with sports broadcasting and AR technology.

Working conditions:

• Remote work;
• 5-day working week, 8-hour working day

About the Role

Our client, a national wholesale mortgage lender, is hiring a Vue.js / Node.js Full Stack Senior Developer to support internal mortgage platforms.

You will join a small development team within a large organization. The role requires ownership and initiative.

This is a 6-month contract with the possibility to convert to long term based on performance and business needs.

Responsibilities

• Build and maintain applications using Vue.js and Node.js
• Develop REST APIs and backend services
• Deploy applications in a cloud environment (Azure preferred)
• Contribute to CI/CD pipelines
• Troubleshoot production issues
• Write technical tickets, define scope, and break down work independently
• Plan tasks and move features from concept to deployment

Requirements

• 8+ years of full-stack development experience
• Strong experience in at least two of the following:
  • Node.js
  • TypeScript / Express
  • Vue.js
  • Real estate / mortgage systems
• Experience working in small teams
• Ability to work independently and proactively
• Cloud deployment experience
• Authorized to work in the U.S. (not for Djinni)

Qualification Flexibility

Candidates do not need to match every requirement.

If you have strong experience in at least two core areas (for example: mortgage systems + Node.js, or Vue.js + Express), you are encouraged to apply.

We are a Ukrainian product company developing a growing gaming platform and are looking for a Backend (Node.js) Developer to join our team.

Requirements

• 4+ years of hands-on experience with Node.js
• Experience working with MySQL
• Hands-on experience with Kafka
• Understanding of building scalable, high-performance backend services
• Experience writing clean, testable, and maintainable code
• English level B1 or higher

Responsibilities

• Develop reusable, testable, and efficient backend code
• Design and build low-latency, highly available, and high-performance services
• Implement data security and protection mechanisms
• Integrate data storage solutions (databases, key-value storage, etc.)
• Collaborate with DevOps on application deployment across environments
• Improve and unify backend services across the product

Nice to Have

• Experience with Redis
• Experience with CI/CD pipelines (GitLab is a plus)
• Experience with Fastify
• Experience with Sequelize

What We Offer

• Work in a strong product team
• Flexible working hours
• Medical insurance
• Sports compensation
• Psychological support
• Free language classes (English, Spanish, German)
• 18 paid vacation days + paid sick leave
• Team buildings and corporate events
• All necessary equipment for comfortable work

Technical Lead — Promotional Features Tech Team “Boosters”

Focus: High-load, distributed, player-facing promo features (network promotions)

Role type: Hands-on Tech Lead (80% delivery / 20% team leadership)

Why this role

We’re scaling Playson’s Promotional Features domain and building the Boosters direction further as part of our growth. This is a hands-on leadership role where you’ll personally build and ship production-ready features and own the technical direction of the Boosters team. Performance, scalability, and reliability are non-negotiable.

Boosters is responsible for player-facing network promotional features such as:

• Tournaments
• Free Spins
• Progressive Jackpots
• Smart Prize Drop Systems

Team & Collaboration model

Tech Boosters is an end-to-end cross-functional squad including:

• Full-stack & Backend Engineers
• Automation QA & Manual QA
• SRE

Product Boosters

• Product Manager
• Product Designer
• Product Analyst

There is no classic Product Owner/PM in the squad. You’ll work with a product commercial manager who acts as the customer — defines what is needed, why and how fast it is needed on the market. Your tech team owns how it will be built and when it will be delivered.

What you bring:

• Strong proficiency in Node.js and TypeScript (our primary backend stack). We’re also open to strong backend engineers from other ecosystems (e.g., Go, Java, C#, C++) who are ready to ramp up quickly.
• Strong understanding of asynchronous programming and concurrency patterns.
• Experience building distributed systems and working with messaging and coordination tools (e.g., Kafka, RabbitMQ, NATS, distributed locks).
• Experience with gRPC in production environments.
• Solid knowledge of databases: relational (MySQL, PostgreSQL), columnar (ClickHouse), and NoSQL (DynamoDB, MongoDB).
• Experience with cloud platforms (AWS/GCP/Azure) and Kubernetes.
• Skilled in building and maintaining unit and end-to-end tests.
• Proven track record of delivering production-ready solutions.
• Experience working with large-scale microservices architectures.
• Degree in Computer Science or a related field (or equivalent practical experience).

Preferred additional qualifications:

• Understanding of application security and industry best practices.

What you will be doing:

• Own technical decisions and technical part of the products and architecture for Boosters services (hands-on, production-grade).
• Develop and maintain backend applications for promotional features.
• Drive delivery as a key contributor: tech design → implement → test → release → operate.
• Optimize existing systems for performance, scalability, and reliability in a distributed environment.
• Lead the team execution with a “PoC-first” approach: fast validation → measurable outcomes → production hardening.
• Conduct code and architectural reviews; set engineering standards and best practices.
• Be the go-to technical owner: any tech problem in the domain is your problem to solve (with the team).
• Participate in on-call rotation and continuously improve operability (monitoring, alerting, runbooks, incident reviews).
  What we offer:
• Remote-first with flexible working arrangements across Europe or Ukraine
• Competitive compensation package (with performance-based bonuses up to 50%)
• Unlimited paid vacation & sick leave (B2B model)
• Premium health insurance (for you + 1 family member)
• Learning & development support (courses, certifications, mentoring, conferences)
• International exposure — attend industry expos, team gatherings & global meetups

Code&Care — is a successful full-stack development company, which provides clients with high-quality development assistance worldwide.

Now our team has a position for Full-Stack Developer (Node.js + Vue.js).

Requirements:

• 3+ years of commercial experience with Node.js
• Strong experience with Vue.js
• Solid knowledge of TypeScript
• Experience with MongoDB
• Hands-on experience with AWS (EC2, S3, etc.)
• Understanding of REST APIs and backend architecture
• Experience with Git
• Upper Intermediate English level

What the company offers:

• Constant and interesting work with foreign clients
• Flexible working hours
• 50% cost compensation of sports, English lessons
• Annual paid 30 days vacation and paid sick days
• Medical insurance policy

Responsibilities:

• Develop and maintain backend services using Node.js
• Build and improve frontend features using Vue.js
• Work with MongoDB databases
• Deploy and maintain applications in AWS
• Collaborate with cross-functional teams
• Participate in code reviews and technical discussions