Jobs Node.js

Junior JavaScript / NestJS Developer

Junior JavaScript Developer with experience in backend development using NestJS and Node.js. Skilled in building and maintaining REST APIs, implementing server-side logic, working with databases, and supporting existing applications. Familiar with JavaScript, NestJS, Git, and basic software development principles, including clean code practices and debugging.

Worked with API integrations, database queries, authentication flows, and application performance improvements. Comfortable collaborating in team environments, following technical requirements, and learning new tools and frameworks quickly.

Looking for an opportunity to contribute to a product-focused team, grow as a backend developer, and deepen expertise in JavaScript ecosystem and scalable backend development.

Project:

Gaming platform automation bot as a service

We run >10000 chrome workers at same time
to execute strategies for profit.
 

Stack:

node.js, Pgsql, temporal
 

Core responsibility:
* Design, build and optimize algorithms and strategies
 to increase profits and optimize performance

Main advantages:
* Flexibility. 2 mandatory meetings weekly
* Small team obsessed with analisys/retrospective/excellence

АBOUT US
 LogicCraft is committed to pioneering innovative product design, delivering exceptional user experiences, and leveraging state-of-the-art AI solutions. Our primary goal is to transform the future by revolutionizing and improving people’s lives through technological progress. 
WHO WE ARE At our core, we are a team of passionate and driven professionals, united by a modern approach to crafting innovative business solutions. We excel in harnessing the power of synergy, seamlessly blending our expertise in design, development, QA, and PMO to achieve outstanding results. 
PARTNERS ARE CRUCIAL TO OUR SUCCESS Our partners play a pivotal role in our achievements. Their collaboration is essential for crafting top-tier products and driving collective growth and improvement. As we create effective platforms, web applications, websites, and mobile apps, we not only enhance our offerings but also contribute to increased revenue and success for our partners. Key Requirements 
-Еxperience with Node.js
 Hands-on experience with Express.js; 
Experience working with ORM tools; Proficient in SQL (MySQL/PostgreSQL) and noSQL databases;
 Experience designing server-side application architecture from the ground up;
 Experience developing REST web services and integrating with APIs.

Our cutting-edge technology empowers millions of consumers worldwide to make smarter and more confident purchasing decisions.

Our expertise lies in building high-performing review websites. We specialize in developing streamlined landing pages for our clients, ensuring seamless customer experiences while efficiently collecting and managing data through our proprietary tracking system.

We are looking for a AI Developer Node.js / AI Automation to join our team in Kyiv  (4 days in the office in Kyiv, 1 day remote)

What You Will Do:

• Develop and implement AI-driven solutions and AI agents to automate business processes.
• Build backend services using Node.js to integrate AI models into products.
• Design and implement AI-powered workflows and automation using n8n.
• Work with databases (SQL / NoSQL) for data storage and processing.
• Deploy and manage services using Docker.
• Build and optimize AI agent architectures and automation pipelines.
• Work in Linux environments (Ubuntu) for development and deployment.
• Analyze user needs and design AI solutions to solve user problems.

Required Experience:

• Strong experience with Node.js development.
• Experience working with databases (SQL or NoSQL).
• Experience with automation tools such as n8n (or similar workflow tools).
• Understanding of AI concepts, LLMs, or AI agents.
• Experience building and integrating REST APIs.
• Experience with Docker.
• Comfortable working in Linux (Ubuntu) environments.
• Ability to write clean, maintainable, and scalable code.
• English (spoken and written).

What We Offer:

• 21 days of paid leave per year
• 7 days of sick leave annually
• Health insurance
• English-speaking clubs
• Corporate events and team-building activities
• Long-term cooperation
• Annual performance review
• All necessary technical equipment provided
• Hybrid work format: 4 days in the office in Kyiv, 1 day remote

We are looking for an experienced Senior Backend Developer with deep technical expertise and a passion for development.
 

As a Senior Backend Developer, you will contribute to the growth of our backend direction and ensure high-quality development of the memoryOS project.
 

The core value for us — strong ownership skills, taking responsibility for results, driving tasks to completion, and approaching them with a focus on efficiency and quality.
 

Ready to be part of a modern, fast-growing, #1 product in its niche while gaining extensive professional growth? Apply now!
 

Who are we?

memoryOS is the world’s #1 app for improving memory and focus, helping people overcome the forgetting curve and retain needed knowledge. Proven learning and memory techniques are merged with Duolingo-like gamified e-learning with patented virtual mind palace tech. Co-founded by 2X World Memory Champion — Jonas von Essen.
 

We’re a remote team of 30+ diverse, like-minded professionals, united in solving the problem of the forgetting curve.

We are proud to be the Most Funded App on Kickstarter. The memoryOS was featured on TechCrunch and recognized by Google Brands Accelerator as a product that is “light years ahead of any other company in memory space”.
 

What you’ll be working on

• Develop and maintain scalable backend architecture using Node.js, NestJS, Redis, TypeORM, and PostgreSQL
• Maintain high standards in terms of performance, scalability, and security.
• Maintain high code quality in adherence to company standards and best practices.
• Participate in code reviews, sprint planning, and product discussions
• Stay up-to-date with industry trends and emerging technologies
• Collaborate with developers, QA, designers, and Product Owners to ensure successful product delivery.
   

About you

• 5+ years of experience as a Backend Developer.
• Strong expertise in Node.js and NestJS.
• Deep understanding of scalable architecture and system design.
• Solid experience with PostgreSQL and performance optimization.
• Experience in technical design and application architecture (building applications from scratch to production).
• Excellent analytical and ownership skills.
• Creative problem-solving mindset with high ethical standards.
• Proactive, reliable, and committed to continuous self-development.
• Proficiency in English (B2 level).
   

Would be a plus

• Experience with GCP and CI/CD configuration.
• Experience with React.
   

You will also get

• The opportunity to influence technical trends on the project and take responsibility for making ownership of the right decisions.
• Developing solutions that have a direct impact on business.
• Transparent management and regular feedback.
• The opportunities to be involved in interesting and useful product for millions of people.
• The modern team of like-minded and diverse professionals.
• Enjoy a vacation and paid sick leave days to relax every year.
• Fully remote: you are free to choose your productive work time and place.
   

Getting the job

Enjoy building a top-level product with us while gaining extensive professional experience in a company with an important mission.

Step-by-step for this position:

1. Screening interview (up to 1 hour): To discuss the position, check basic competencies and culture fit.
2. Technical interview (2 hours): Detailed сase approach to identify experience, technical skills, and core competencies.
3. Full Day (up to 5 hours): Have an opportunity to work all day with a CTO, solve tech problems, and write code.
4. Referral: Recommendations from the previous workplace.
5. Offer call (30 min): Discussion of a Job Offer Proposal.

Let’s make the world remember!

Hey there! 👋

We're looking for an expert full-stack React/Node.js engineer with experience in building AI tools to join our growing team! We're working on a product that has already made an impact in a major U.S. industry and has gained traction with several Fortune 500 companies. We're a small yet powerful team, but considering recent growth - expect plenty of opportunities of growth and a chance to tackle interesting engineering challenges!

What skills we expect you to have: 🎯

• English: Advanced (B2+)
• B.Sc. in Computer Science or similar;
• Excellent communication, collaboration, problem-solving, and analytical skills;
• 5+ years of writing commercial React.js and Node.js apps;
• Extensive experience with SQL-based databases;
• Extensive experience with Amazon Web Services;
• Understanding of LLMs and their application to building web applications;

What would be a huge plus: ✨

• English: C1
• Background in building your own side projects (please share links);
• Experience of leading engineering teams or initiatives at your previous company;
• Experience in building CI/CD pipelines;
• You have experience building AI apps (LangChain / LlamaIndex) and with MLOps;

What’s in it for you: 🌴

Professional Growth & Lifestyle:

- Remote work and flexible working hours (our team is 100% remote);

- Opportunity to join an international team of a fast-scaling startup;

- Leadership initiatives;

Benefits:

- Annual vacation: 20 business days (100% compensation)

- Annual sick leave: 10 business days (100% compensation)

- Competitive compensation.

Please, feel free to reach out should you have any questions!

Best regards,

Universium Team ❤️

We are looking for a talented and motivated Software Engineer with a strong background in Node.js to join our team. The ideal candidate will have over 3 years of experience in software development and be eager to learn and take on new challenges

Responsibilities:

• Develop and maintain server-side applications using Node.js.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Troubleshoot and debug applications to ensure the highest quality of software.
• Stay updated with the latest industry trends and technologies to bring new ideas to the table.
• Participate in code reviews and contribute to our continuous improvement process.
• Take on interesting challenges and learn new technologies as needed.

Requirements:

• 3+ years of experience in software development, with a strong focus on Node.js
• Hands-on experience with MySQL
• Strong skills in analyzing data from various sources to identify patterns, anomalies, and insights related to fraud and risk
• Strong problem-solving skills and the ability to work in a fast-paced, startup environment
• Excellent communication and collaboration skills
• A proactive attitude towards learning and tackling new challenges
  
  What we offer:

- Flexible work format - remote, 8-hour working day without time trackers;
- Competitive salary;
- TIght-knit and friendly team;
- Personalized career growth;
- Up to 50% coverage of the cost of professional courses;
- Vacation time, sick-leaves, national holidays ;
- Competitive bonuses for a personal recommendation of new employees;
- Professional development tools (mentorship program, tech talks and workshops);
- English classes with a teacher;
- Corporate events and team buildings.

Established in 2004, ALLSTARSIT was founded with a clear vision: to enhance the landscape of global IT employment by bridging the gap between companies and skilled professionals. The core belief was that assembling a team shouldn't be hindered by geographical constraints. Fast forward to the present day, ALLSTARSIT stands as an international outstaffing service provider committed to change the way businesses recruit, compensate, and oversee top talent worldwide. 

With operational hubs scattered across Europe, Asia, and LATAM, and its headquarters situated in San Francisco, US, the company boasts a workforce of over 1,000 adept professionals. Spanning across more than 20 countries, ALLSTARSIT offers a diverse range of skilled employees across various verticals, including AI, cybersecurity, healthcare, fintech, telecom, media, and so on.

About the Project

Our client is a fast-growing global tech company that builds a high-impact web platform used by millions worldwide. Their product powers websites at massive scale, with a strong focus on performance, innovation, and user experience. The company offers a collaborative, product-driven environment where engineers have real influence on architecture and features, working with modern technologies on solutions that shape how the web is built today.

Hybrid format, office in Warsaw.

Challenges:

• Product as a Platform - Elementor is a platform on which thousands of applications have been built. You’ll face the challenge of developing a reliable platform to support those businesses.
• You’ll design and write high-quality components to enhance system capabilities while maintaining system quality and stability.

• You’ll work on a complex and technical product with many different use cases that is used by millions of web sites and customers.

   

Required skills:

• 6+ years of proven experience as a full-stack developer, with 4 years of proven experience working with web applications using React or pure JavaScript (ES6+)
• 3+ years of experience with CSS
• 3+ years of experience in Node.js/ Typescript
• 2+ years of experience with Nest.JS
• Experience with Databases - MySQL is a Must
• Experience with building scalable backend services -Must
• Experience with the adoption of AI-powered development tools (e.g., GitHub Copilot, ChatGPT for coding assistance) - Must
• Experience and deep understanding of web application development and the web cycle, including:

1. Writing unit tests & E2E tests (Playwright experience - an advantage)
2. Avoiding security vulnerabilities

• Experience with cross-browser compatibility
• Strong English language communication skills
• Experience with Elementor - an advantage
• Having built or maintained an open-source project - an advantage

• Experience with SCSS - an advantage

   

Scope of work:

• Plan and develop new user-facing products and features
• Participate in the technical design of features
• Ensure the technical feasibility of UI/UX designs
• Maintain the stability of the system using automated tests
• Collaborate with other team members and stakeholders

DBB Software - is a software engineering IT company from Ukraine with a unique point of difference. We provide an exciting concept involving highly trained and vetted remote software developers to provide businesses with everything they need in the information technology space. Whether it’s end-to-end IT or smaller, focused areas and individual projects, we cover it all, and our approach allows us to offer exceptionally competitive pricing.

During 8 years on the IT market we successfully released more than 30 projects and have a wide-geographic of clients in Europe, USA and Canada.

Now we are continuing growing and extending our team so we warmly invite Junior Backend Developer (Node.js) to our team in Dnipro city!

What requirements are important for this role:

-At least 1 year of professional experience with TypeScript, Node.js, express, nest.js;

-Experience with SQL, PL/SQL, preferred experience on MERN stack and next.js;

-Experience with Swagger and/or API documentation tools;

-Experience with git and CI/CD;

-A solid understanding in logging, security concepts;

-A solid understanding of REST, and core JavaScript concepts;

-A solid understanding of relational data and/or non-relational models;

-Experience with performance and optimisation problems and a demonstrated ability to both diagnose and prevent these problems.

What we are expecting from new teammate:

-Effective communication skills: Regularly achieve consensus with peers, and clear status updates;

-Positive and solution-oriented mindset;

-Strong sense of ownership, urgency, and drive;

-An inclination towards communication, inclusion, and visibility;

-Self-motivated and self-managing, with great organizational skills;

- English level - at least Intermediate strong;

-Ability to work in our Dnipro office required.

Working with our team is:

-Flexible schedule;

-Benefit package with paid vacations and sick-leaves;

-Salary reviews in regular basis;

-Autonomy in decision-making, no bureaucracy and pressure;

-People-oriented culture and healthy atmosphere in the team;

-Whole support from company management;

-Office in Dnipro with whole BCP support: generators, power stations and Starlink, only office type of work.

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 become part of a dynamic Mobion Backend Team, where we value ownership, curiosity, and collaboration. The team consists of three Backend Developers and shares a strong feedback culture and growth mindset — we don’t just build features, we solve real problems.

Impact you will make 

This role focuses on building scalable, reliable, and high-performance backend solutions for white-label and SaaS platforms. You will be responsible for designing, developing, and maintaining server-side systems, ensuring smooth integration with client applications and third-party services.

• Implement new technologies and engineering practices to optimize development processes and improve product quality.
• Define and maintain the overall system architecture, establish design patterns, and ensure technical decisions align with business objectives.
• Design, develop, and maintain scalable and secure APIs.
• Optimize database queries and improve overall system performance.
• Monitor, analyze, and proactively improve system reliability and performance.
• Investigate, troubleshoot, and resolve production issues in a timely manner.
• Enhance and maintain CI/CD pipelines and deployment processes.
• Provide mentorship, technical guidance, and coaching to team members.

Skills we are looking for 

• 5+ years of experience in backend development using Node.js.
• Experience working with SQL and NoSQL databases, including schema design and query optimization.
• Solid understanding of API design and hands-on experience with API integration (RESTful services).
• Experience using version control systems, particularly Git.
• Familiarity with project management tools, such as Jira or similar.
• Experience with cloud platforms and application deployment (AWS, GCP, Azure, or equivalents).

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
• Management 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.

On behalf with our customer we are seeking for Team Lead (backend-focused) to join our global R&D department.
 

Our customer is an innovative technology company led by data scientists and engineers devoted to mobile app growth. Their proprietary ad platforms powered by machine learning are the outcome of that devotion.
They reward talents, employees support each other to advance individually and as a team.

Responsibilities:

• Design, code, and manage large scale, highly available, real-time (low latency) services using cutting edge technologies (Node.js, React, Redis, Kubernetes, etc. over AWS).
• Lead and mentor a team of around 4 members, abroad, and performing code reviews to other team members.
• Work with stakeholders including the Executive, Product, Data, and Design teams to craft the most optimal solutions for our problems. 
• Design and develop APIs or integrate with 3rd party APIs.
• Manage a time-efficient sprint plan. Plan, groom and manage the present sprint and the upcoming ones with Product.
• Understand and implement security and data protection needs, and assist in-house teams and supply creative solutions for various problems.
   

Requirements:

• 6+ years of coding experience in Backend (NodeJS is preferred) 
• 3+ years of management experience
• Working knowledge with SQL and NoSQL databases
• Working with one of the cloud providers: AWS, Google, Microsoft
• Experience in the software life cycle and knowing how to work in an agile environment
• Can-do attitude, self-sufficient, capable of learning alone and good English
  
  Conditions
  ● Working schedule Sunday-Thursday - must have
  ● Accounting support & consultation
  ● Opportunities for learning and developing on the project
  ● 20 working days of annual vacation
  ● 5 days paid sick leaves/days off; state holidays
  ● Provide working equipment
•  

YozmaTech isn’t just another tech company - we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster. We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact. Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family - you’ll feel right at home with us.

Our client transform back-of-house tech for the hospitality industry, replacing outdated processes with AI-driven solutions. This helps top hotel brands focus on delivering exceptional guest experiences while ensuring efficient operations.

Key Requirements:

🔹 6+ years of full stack engineering experience;
🔹 Advanced proficiency in Node.js (5+ years) and at least 1 year of commercial experience with .NET (C#);;
🔹 Advanced proficiency in React and TypeScript;
🔹Experience working with high-scale and distributed systems;
🔹 Proficiency in leveraging AI tools to enhance engineering productivity, with specific hands-on experience using Claude Code;
🔹 Hands-on experience with SQL Server, PostgreSQL, MongoDB, or Redis;
🔹 Familiarity with frameworks like Express, NestJS, or ASP.NET Core;
🔹 Solid understanding of system architecture, automated testing, and security best practices;
🔹 Experience with Docker, CI/CD pipelines, and cloud platforms (AWS, GCP, or Azure);
🔹 Excellent communication and problem-solving skills; comfortable working in cross-functional teams;
🔹 Willingness to work in a role split approximately 60% backend and 40% frontend, with around 70% focused on new feature development and 30% on maintenance/bug fixes, including participation in on-call duties after the onboarding period.
🔹 English - Upper-Intermediate or higher.


Will be plus:

🔹 Experience with microservices architecture, GraphQL, or serverless functions;
🔹 Exposure to mobile development (especially React Native) or AI -based features;
🔹 Familiarity with DevOps practices and infrastructure-as-code (e.g., Terraform, Pulumi);
🔹 Domain experience in hospitality, logistics, or supply chain tech;

What you will do:

🔹 Design, develop, and ship end-to-end features using React, Node.js, TypeScript, and .NET (C#);
🔹 Build and optimize scalable APIs and backend services using SQL and NoSQL databases;
🔹 Own technical decisions around performance, security, maintainability, and code quality;
🔹 Collaborate closely with product managers, designers, and other engineers to deliver impactful features;
🔹 Participate in and lead code reviews, design discussions, and DevOps improvements;
🔹 Mentor junior developers and help evolve our engineering best practices;


Interview stages:
🔹 HR interview;
🔹 Interview with VP R&D;
🔹 Semi Live-coding interview;
🔹 Tech interview - code review;
🔹 References;
🔹 Offer.

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

Team Lead Full Stack Engineer

High-Load ML AdTech Platform | Real-Time Systems | Remote

🌍 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:

We build a proprietary ML-driven platform for programmatic user acquisition and retargeting in the mobile app space. It processes tens of terabytes of data daily and handles millions of real-time requests per second with low latency — directly driving client growth and revenue.

Operating at this scale requires strong distributed architecture, performance optimization, and security. Our clients are major app developers who depend on reliable, high-throughput systems and measurable ROI.

🌟 About the Role:

As a Full Stack Team Lead, you will own the design and evolution of our core real-time ad-serving infrastructure. You’ll lead a distributed team of 4 engineers, drive technical direction, and ensure performance, availability, and security at scale.

This is a hands-on role: ~50% coding and architecture, ~50% team leadership, sprint planning, and stakeholder collaboration.

You’ll work closely with the Executive, Product, Data, and Design teams to deliver scalable solutions and shape the product roadmap.

🔥 Why join this product:

• Work on Real High-Load Infrastructure
• Influence Architecture, Not Just Code
• Stay Hands-On While Leading
• ML + Distributed Systems in Production
• Real Ownership & Business Impact

📈 Key Responsibilities:

• Design, implement and operate large-scale, highly available, real-time (low-latency) services using Node.js, TypeScript, React, Redis and Kubernetes on AWS.
• Lead and mentor a team of four distributed engineers; conduct code reviews, design reviews and knowledge-sharing sessions.
• Collaborate with executives, product managers, data scientists and designers to translate requirements into technical solutions.
• Design, develop and integrate RESTful APIs and third-party services.
• Plan, groom and manage agile sprint cycles; track progress and adjust priorities to meet delivery goals.
• Define and enforce security best practices and data protection policies across services.
• Oversee on-call rotation and incident response; maintain low alert rates and rapid recovery processes.
• Manage team operations including onboarding, offboarding, performance reviews and hiring support.

💻 Required Competence and Skills:

• 6+ years of professional experience in backend with Node.js and frontend development (React, Vue or Angular).
• 2+ years in a people-management or team-lead role, with direct experience conducting one-on-ones and performance reviews.
• Proficiency with SQL and NoSQL databases in production environments.
• Experience deploying and operating services on a major cloud platform (AWS, Google Cloud or Azure).
• Deep understanding of the software development lifecycle and agile methodologies.
• Strong problem-solving skills, self-sufficiency and a proactive “can-do” attitude.
• Fluent English communication skills, both written and verbal.

➕ Nice to Have:

• Experience coordinating with offshore development teams.
• Background in web-based SaaS platforms.
• Exposure to large-scale data processing or Big Data technologies.
• Hands-on familiarity with Kubernetes at production scale.

🚀 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 where 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.

Playson 🤘 is a leading online gaming supplier founded in 2012 that has developed worldwide recognition in the industry.

Our promotional features team is seeking a Senior Backend Engineer with a strong background in Node.js. This role is focused on developing and optimizing promotional features for our gaming platforms, where performance, scalability, and cutting-edge solutions are paramount.
If you’re a product-passionate person, your mind is keen to solve deep tech engineering problems, and you have a fast “PoC first” approach with a deep sense of ownership, we would love to hear from you.

To succeed in the role, you will have:

• A degree in Computer Science or related field
• Strong development experience in Node.js/TypeScript 5+ years
• Strong understanding of Async approaches
• Experience with Messaging systems like Kafka, RabbitMQ
• Experience in distributed systems
• Experience with RDBMs (MySQL, PostgreSQL etc.), CDBMs (Redshift, ClickHouse etc.), NoSQL (DynamoDB, MongoDB, etc)
• Experience in writing e2e & unit tests
• Experience with development production-ready solutions
• Hands-on product experience with Kubernetes

Would be beneficial to know:

• Understanding of enterprise development patterns
• Experienced with large-scale microservices architecture
• Experience with cloud providers (AWS, GCP, etc.)
• Active performance observation
• Gambling domain experience
• Understanding of application security and industry standards, its best practices

What will you be doing?

• Develop and maintain robust backend systems for our promotional features.
• Optimize existing systems for enhanced performance and scalability.
• Lead technical decisions and contribute to our SaaS solutions.
• Collaborate with distributed teams to innovate and implement new features.
• Ensure code and architectural excellence through reviews.
• Address complex technical challenges with innovative solutions.

What you get in return:

• Competitive Salary: We offer a competitive salary in EUR, subject to annual performance reviews
• Quarterly Bonuses: Benefit from a transparent and systematic quarterly bonus system
• Flexible Schedule: We offer a flexible work schedule to accommodate your needs
• Remote Work Option: Choose to work remotely, providing greater flexibility and comfort
• Medical Insurance: Receive comprehensive medical insurance for both you and a significant other
• Financial Support for Life Events: We provide financial support during special life events
• Unlimited Paid Vacation: Enjoy unlimited paid vacation leave
• Unlimited Paid Sick Leave: Take unlimited paid sick leave whenever necessary
• Professional Development: Get reimbursement for professional development courses and training

Join us today!