Jobs Node.js

Role Overview:

We are seeking a highly experienced Senior Node.js Engineer to join our growing engineering team. As a senior member of our team, you will take on a leadership role in designing, implementing, and scaling highly performant systems. You will work with cloud infrastructure, primarily AWS, and build robust microservices, Big Data processing services, and data platforms that support high-load, real-time applications.

You will be responsible for architecting complex systems, ensuring scalability and efficiency while also providing mentorship to junior developers. This is an exciting opportunity for a self-driven, technically versatile engineer who is comfortable working independently and thrives in a fast-paced, collaborative environment.

Key Responsibilities:

• Architecture & Design: Lead the architecture and design of high-performance, scalable, and fault-tolerant Node.js applications, microservices, Big Data processing systems, and data pipelines running in a cloud environment (primarily AWS).
• Cloud Infrastructure: Utilize AWS services such as EC2, Lambda, RDS, S3, Kafka/MSK, SQS, and others to ensure that applications and data platforms are highly available, secure, and performant.
• Microservices & Event-Driven Systems: Build and manage distributed, high-load microservices and event-driven architectures that can scale effectively and handle large volumes of concurrent traffic and data.
• Data Infrastructure: Design and develop integrations and Big Data processing pipelines that ingest, transform, and distribute large volumes of data across operational and analytical systems.
• High-Performance Systems: Optimize Node.js applications and data processing workloads for performance under high load, ensuring minimal latency and maximum throughput.
• Multithreading: Implement advanced multithreading techniques to enhance system performance and concurrency.
• Code Quality & Best Practices: Write clean, maintainable, and efficient code while adhering to industry best practices and design patterns.

Part of the role will include integration with multiple external APIs, processing large volumes of data, and compiling it in a flexible way to accommodate various operational and analytical requirements.

Requirements

• 4+ years of Back end development
• In-depth knowledge and experience developing API’s and microservices
• Strong proficiency with JavaScript, and Knowledge of Node.js and frameworks available for it (such as Express or equivalent)
• Understanding the nature of asynchronous programming and its quirks and workarounds
• Understanding fundamental design principles behind a scalable application
• Experience working with various data storage solutions such as Redis, MongoDB, etc.
• Experience working with Queuing solutions such as gearman, RabbitMQ, SQS, etc.
• Implementing automated testing modules and unit tests
• Proficient understanding of code versioning tools, such as Git
• Experience with cloud services such as AWS and GCP
• Experience working with Linux
• Experience with CI/CD processes
• Bonus - Familiarity with K8S, and related frameworks such as helm, Argo-cd, Prometheus, etc.

Job Description 

Elevate your career by joining us in our work with a prestigious UK-based multinational media company as a consultant. Seize the opportunity to grow professionally by leveraging cutting-edge technologies, driving the migration towards technical excellence, and contributing to products that reach millions of users daily. Enhance your skills in shaping team workflows within a dynamic international corporate environment. 

The team develops and operates the services behind sign-in for millions of users: identity, authentication, authorisation and personalisation, built to be secure, scalable and highly available. 

Key responsibilities: 

• Service Development: Design, build and maintain secure, scalable backend services for authentication, authorisation, identity and personalisation, delivering high-quality, production-ready code. 
• Epic Tech Lead: Take on tech lead responsibilities for assigned epics: shaping the technical approach, breaking the work down and steering it through to delivery. 
• Quality and Testing: Write and maintain unit, integration and automated tests, and give constructive code reviews to keep engineering standards high. 
• Operational Excellence: Integrate services with monitoring and observability tooling, and take part in in-hours production support and incident response. Any out-of-hours support is arranged separately. 
• Prioritisation and Flow: Work to the priorities agreed with the team, and flag work that is poorly broken down or blocking delivery, proposing a better approach before picking up new work. 
• Collaboration and Knowledge Sharing: Work with architects, product and technical leads to turn requirements into implementable solutions, and support less experienced engineers through pairing, code reviews and knowledge sharing. 
• Agile Delivery: Work within an agile, multidisciplinary team to plan, develop and deliver product increments iteratively. 

Qualifications: 

• Backend Proficiency: Over 5 years of production experience building scalable distributed systems and backend services with TypeScript or JavaScript. 
• AWS Serverless: Over 2 years of experience with AWS serverless architecture, including Lambda, API Gateway, CDK and CloudFormation. 
• Test-Driven Development: Strong experience with TDD and broader testing and quality practices. 
• CI/CD and Operations: Experience implementing CI/CD pipelines and addressing operational concerns: monitoring, performance testing, scalability, availability, resilience and security. 
• Technical Leadership: Experience as technical lead on at least one medium or large piece of work (3+ months). 
• Nice to Have: Practical experience with OAuth 2.0, OpenID Connect and customer identity and access management (CIAM); Java; CloudWatch or Grafana; DynamoDB, Kinesis, ALB/WAF Node.js. 

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 is building an innovative AI-powered platform that transforms how the world’s largest companies manage their real estate assets. The solution leverages the latest advancements in artificial intelligence and large language models (LLMs) to automate complex workflows, analyze massive datasets, and provide instant, intelligent answers to business-critical questions.

Their clients are large global enterprises managing thousands of real estate properties worldwide. Traditionally, real estate departments rely on manual processes and third-party services that can take weeks or months to deliver results. With this platform, these processes are automated and accelerated — what used to take months now takes minutes.

Bonus Points:
🔹Work with cutting-edge AI and LLM technologies
🔹Opportunity to solve complex, real-world enterprise problems
🔹High impact work used by global enterprise clients
🔹Full ownership across the full development lifecycle
🔹Fast-paced learning environment with modern technologies
🔹Small, agile, and highly collaborative engineering team

Key Requirements:
🔹 3+ years of experience as a Full Stack Developer;
🔹 Strong experience with modern frontend frameworks (Angular 18+ preferred or strong React + TypeScript);
🔹 Backend experience with Node.js (NestJS is a plus) or similar frameworks (.NET with willingness to transition to Node/NestJS);
🔹 Strong proficiency in TypeScript / JavaScript;
🔹 Hands-on experience integrating AI/LLM features (OpenAI API, ChatGPT-based features, etc.);
🔹 Experience using AI tools for development (Cursor, GitHub Copilot, ChatGPT, Claude, etc.);
🔹 Solid understanding of relational and/or NoSQL databases;
🔹 Familiarity with cloud infrastructure and CI/CD pipelines;
🔹 Ability to independently deliver complex end-to-end features;
🔹 Up-to-date knowledge of modern frameworks and willingness to learn quickly;
🔹 English – Upper-Intermediate or higher.

What you will do:
🔹 Develop and maintain full-stack features across frontend and backend components;
🔹 Build and integrate AI/LLM-powered functionality into the platform;
🔹 Design scalable and efficient backend services and APIs;
🔹 Work with databases, including schema design and query optimization;
🔹 Collaborate with product and engineering team to deliver end-to-end solutions;
🔹 Participate in architectural decisions and system design;
🔹 Contribute to infrastructure and CI/CD improvements;
🔹 Ensure code quality through best practices, code reviews, and testing;

Interview stages:
🔹 HR Interview;
🔹 Technical Interview;
🔹 Interview with VP R&D - (30 min)
🔹 Culture Fit Interview with HR (Client-side HR) - (30 min)
🔹 Reference Check;
🔹 Offer;
 

Our client is a fast-growing technology company that helps retailers and suppliers manage and share product information more effectively. Their cloud-based platform keeps product data, pricing, and inventory accurate and up to date across websites, kiosks, and other sales channels. By making product catalogs easy to use and always current, they help businesses improve customer experiences, increase sales, and simplify daily operations.
 

About the Role:

We have an opportunity to potentially staff two engineers for one of our active prospects. In this role, you will be working within the core stack - Node.js, TypeScript, MongoDB, and AWS - to design and deliver high-performance backend services and APIs. You will play a central role in building and optimizing large-scale, data-intensive applications that power digital catalog and content distribution for retailers and suppliers
 

Responsibilities:

• Design, develop, and optimize backend services and APIs with Node.js + TypeScript.

   

   

• Work extensively with MongoDB for schema design, queries, and performance tuning.

   

   

• Deploy, scale, and monitor applications in AWS cloud environments.

   

   

• Ensure best practices in code quality, testing, and DevOps pipelines.

   

   

• Collaborate with frontend and product teams to deliver end-to-end features.
   

   

   

Requirements:

• 5+ years of backend development experience.

   

   

• Expert in Node.js + TypeScript with strong MongoDB knowledge.

   

   

• Hands-on experience with AWS services (EC2, Lambda, S3, API Gateway, etc.).

   

   

• Strong understanding of distributed systems, API security, and performance optimization.

   

   

• Excellent problem-solving and communication skills.
   

   

   

We Offer:

• Competitive market salary.

   

   

• Fully remote work.

   

   

• Convenient and somewhat flexible working hours.

   

   

• 28 days of paid time off per calendar year.

   

   

• The chance to work on meaningful, socially valuable products alongside a highly professional, US-based international team.

   

   

• Interesting technical challenges with opportunities to grow and learn.

   

About the project:

Build the backend foundation for a modern multi-tenant SaaS platform transforming legal operations. Work with Node.js, TypeScript, PostgreSQL, and Azure to shape architecture, data isolation, permissions, integrations, audit systems, and AI-powered workflows from day one.

Your expertise will directly influence the platform’s technical direction and the product used by legal teams every day.

A new team member will be in charge of:

• Owning the multi-tenant architecture, schema-per-tenant PostgreSQL, data-access layer, and automated tenant isolation guarantees.
• Building configurable object-, record-, and field-level permissions across lists, search, reports, exports, notifications, and AI features.
• Implementing ethical walls and tamper-evident, append-only auditing with field-level change history.
• Integrating Microsoft Entra ID via OIDC for internal users and SAML for external users.
• Integrating Azure OpenAI through the backend, ensuring AI features respect the calling user’s permissions.
• Defining backend architecture, code quality, and security standards.

Does this relate to you?

• 5+ years of hands-on Node.js and TypeScript experience, including building and operating production backends.
• Experience with multi-tenant SaaS using schema-per-tenant PostgreSQL or a comparable strong-isolation architecture.
• Strong PostgreSQL skills in data modeling, performance tuning, and migrations at scale.
• Experience with RBAC, record- and field-level permissions, OIDC, SAML, and SSO integrations.
• Hands-on cloud-native development on Azure using Container Apps or App Service.
• An approach that treats access control and data isolation as core requirements from the start.
• Daily use of Claude Code, Cursor, Codex, or similar tools to delegate implementation, with engineering oversight, review, testing, and validation.
• English B2+

Ready to try your hand? Send your CV without a doubt!

Come Back Agency supports US software and technology companies by running their hiring process. We work with delivery and leadership teams to define roles, screen candidates, and manage interviews. Successful candidates are hired directly by the company and become part of its team.
 

This position is with a US-based software company providing custom development and AI implementation for North American clients. The team builds and maintains production software, including AI-enabled systems, and works in long-term client engagements. Team members operate as part of an internal, distributed team and collaborate directly with client stakeholders.
 

What you will do

• Develop and maintain backend services on Node.js (NestJS, TypeScript)
• Design and build REST APIs working with PostgreSQL and Prisma
• Implement business logic and integrations with third-party services
• Build authentication and authorization flows
• Improve performance and stability of production systems
• Investigate and fix production issues
• Take part in code reviews and technical discussions
• Communicate directly with US-based clients on technical calls
   

What we are looking for

• 2+ years of commercial backend experience with Node.js 
• In-depth NestJS experience on real commercial projects: modules, guards, interceptors, pipes
• Strong TypeScript skills
• Solid approach to validation and DTOs
• Hands-on experience with PostgreSQL and Prisma
• Practical experience with AWS services
• Docker in day-to-day development
• Redis (caching, queues, sessions, or similar use cases)
• Experience with Node.js Streams
• Good understanding of OOP principles
• Confident use of Git
• Experience using Claude Code or readiness to use it as part of your daily workflow
• Ability to work independently and argue for your technical decisions
• English B2+ for confident spoken communication with US clients
• Full-time availability 16:00–00:00 Kyiv time
   

Important: NestJS experience limited to tutorials, courses, or pet projects is not sufficient for this role. We are looking for commercial backend experience; frontend-only profiles will not be considered. Full-stack developers are welcome if most of their practical experience is on the backend.
 

Nice to have

• Express.js
• Other ORMs (TypeORM, Sequelize) or MongoDB
• JWT, OAuth, RBAC
• WebSockets / Socket.io
• Microservices, message queues, background jobs
• Unit and integration testing
• CI/CD, Kubernetes
• Logging and monitoring
• Payment integrations
   

What we offer

• Fully remote, full-time cooperation
• Stable working hours aligned with the US market: 16:00–00:00 Kyiv time
• Direct cooperation with a US-based software company
• Mentorship from the Head of Node.js
• Paid vacation and sick days
• English lessons and speaking clubs
• No time-tracking software
• Structured and personalized onboarding
• Opportunities for professional growth and increased ownership within the team
• Compensation reviews based on performance
   

Hiring process

1. Introductory interview with Come Back Agency
2. Technical interview with the Head of Node.js: a code review session where you’ll discuss code snippets (no live coding)
3. Final culture-fit interview
4. Offer and onboarding
    

When applying, please briefly mention your years of commercial Node.js experience, NestJS projects you’ve worked on, AWS services you’ve used, and your English level.

You can also apply through our website: comeback.ua.

Phenomenon Studio is a boutique product design and development agency founded in 2019. We work with teams who’ve outgrown what they’ve built - from venture-backed startups to established market leaders - and own the work end to end: strategy, design, development, and post-launch.

The team of 70+ senior specialists is based in Europe, with entities in the USA, Estonia, and Switzerland, serving SaaS, Fintech, Healthcare, and EdTech. Across 120+ launches, clients have raised $500M+. 
 
Phenomenon is a Red Dot Award-winning studio, a Claude Select Partner, and a Webflow Certified Partner. The team includes Nielsen Norman Group UX Certified professionals, and the studio is HIPAA-compliant. Phenomenon holds a 5.0 rating on Clutch, and most clients come back for a second project.
 
About the project
A subscription-based web service for creating and managing dynamic QR codes for the Canadian market. Users create codes for links, PDFs, vCards, menus, videos, and more, customize their design, and can update the content even after the code is printed. The platform includes hosted landing pages, a dashboard for organizing codes, and detailed scan analytics.

Contract duration: 3-4 months

Team: Solution Architect, 2x Backend Developers, 2x Frontend Developers, QA, DevOps, PO, PM, BA, Designer

Requirements:

• 5+ years of experience in JavaScript, TypeScript
• Strong knowledge of Node.js - Express.js, NestJS
• Strong knowledge of ORMs, PostgreSQL, MySQL, MongoDB, Redis
• Strong knowledge of Real-time(socket-based)
• Strong knowledge of REST API, Git
• Experience with Docker
• Experience with Microservices; experience designing distributed systems
• Experience with AWS: Lambda, DynamoDB, S3, SQS, SNS, API Gateway
• Experience with CI/CD
• Testing: Jest + integration/e2e
• Excellent communication skills
• Experience with HIPAA and GDPR compliances
• Upper-intermediate English level

Nice to have:

• Knowledge of other frameworks
• Knowledge of Supabase
• Knowledge of Strapi
• Experience with Jira / ClickUp

Responsibilities:

• Design, develop, and maintain scalable backend services using Node.js (Express.js, NestJS)
• Work with various databases, including PostgreSQL, MySQL, MongoDB, and Redis, ensuring high performance and data integrity
• Develop and deploy a microservices-based architecture using Docker and AWS
• Implement and manage real-time, socket-based communication systems
• Lead and mentor teammates, review code, and guide architectural decisions
• Oversee project timelines, task assignments, and ensure high-quality code delivery
• Collaborate with cross-functional teams and communicate effectively in English (written and spoken)
• Manage tasks and workflow using project management tools such as Jira or ClickUp

What we offer:

• A team of open-minded and supportive professionals
• Comfortable part-time schedule with autonomy in processes
• Full remote work format
• Flexible workload and the possibility to combine with studies, personal projects, or other activities
• Work-life balance: we value results, not the number of hours spent 

Recruitment process: Recruitment interview - Technical interview

We're looking for a motivated JavaScript developer at the junior or trainee level to join a team that builds production-grade web scrapers for enterprise clients. Your work will run on enterprise-level web data infrastructure used by some of the world's most recognizable brands - from Fortune 500 retailers like Nike to global technology companies like Philips - powering their market research, price intelligence, and competitive data pipelines.

This is a hands-on engineering role. You won't be writing toy examples - from early on you'll be building real scrapers that extract structured data at scale.

Responsibilities

- Analyze target websites using Chrome DevTools to understand DOM structure and network requests

- Write JavaScript scrapers using Cheerio and related libraries

- Craft precise CSS selectors and XPath expressions to reliably target data elements

- Use Postman to inspect APIs and reverse-engineer data endpoints where applicable

- Handle pagination, dynamic content, and common anti-scraping patterns

- Deliver clean, structured output data (JSON/CSV) per client specifications

- Maintain and update existing scrapers as target sites change

Tech stack

JavaScript, Cheerio, CSS Selectors, XPath, Chrome DevTools, Postman, Git

Requirements

- 1 year of JavaScript experience in any context (commercial, freelance, or project-based), OR currently enrolled in / recently graduated from a Software Engineering, Computer Science, or related program

- English B2 or higher - you must be able to read technical documentation and communicate with the team in English

- Understanding of HTML/DOM structure and HTTP basics

- Ability to learn independently and figure things out from documentation

Nice to have

- Any personal or academic projects involving scraping, parsing, or browser automation

- Familiarity with Node.js ecosystem

- Basic knowledge of how proxies or headless browsers work

What we offer

- Work on real client projects from day one - no synthetic tasks

- Mentorship and code review from experienced engineers on the team

- Remote-first, fully async-friendly - work from anywhere

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.

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! You would be joining a truly fast-growing team and working on a product that is already having a significant impact in the United States. 

Although this position expects you to be a full-stack engineer, your focus will be mostly on the back-end infrastructure and the optimization of the existing product architecture (80% back, 20% front).

Our preferred candidate will have: 🦄

• Strong experience with building scalable back-end infrastructure;
• Working with high-load systems;
• Optimizing systems with relational databases (PostgreSQL);
• Extensive experience with Elasticsearch;
• Clear demonstration of leadership initiatives in optimizing & scaling cloud infrastructure;

We also expect from you the following: 🎯

• English: Advanced (C1+, initial screening is conducted in English);
• 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’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 if you have any questions!

Best regards,

Universium Team ❤️

Meet the YozmaTech

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 is a fast-growing startup that helps companies streamline procurement workflows, vendor management, and internal processes — enabling teams to move faster, control spend, and gain better visibility.

The company operates in a fast-paced, highly collaborative environment, working closely with customers and continuously evolving the product based on real business needs. The platform is highly configurable and integrates deeply with systems such as ERPs, CLMs, and collaboration tools.

We are looking for a Senior Backend Engineer to join the core engineering team. You will own meaningful parts of the product, work closely with leadership and customers, and play a key role in designing, building, and evolving the platform.

We care a lot about how you think:
🔹 You can clearly communicate and debate complex problems and proposed solutions.
🔹 You have a broad engineering mindset and enjoy understanding systems end to end.
🔹 You are comfortable taking ownership of technically challenging, evolving projects, not just well scoped tickets.
🔹 It is very important to us that you are independent: you know how to ask questions, ask for help, and own your features start to finish.

Key Requirements:
🔹 You have solid 10+ years of experience building and operating production backend systems;
🔹 You are strong at debugging and refactoring across services, logs, and data and strive for precise understanding, not hand wavy guesses;
🔹 AWS, with a heavy use of managed and serverless services;
🔹 TypeScript and Node for backend services;
🔹 Aurora Postgres;
🔹 Python for some services and data related work;
🔹 Integrations with third party APIs, ERPs, CLMs, and collaboration tools;
🔹 Experience integrating LLMs or AI-powered capabilities into production applications, using commercial model APIs or open-source models;
🔹 Understanding of how to build reliable AI-powered workflows, including tool/API integrations, structured outputs, error handling, and validation of AI-generated results;
🔹 Familiarity with AI agents, LLM orchestration frameworks, or multi-step AI workflows is a plus;
🔹 You have a broad engineering mindset and enjoy thinking in terms of systems, data models and flows rather than only individual endpoints;
🔹 You have taken ownership of technically challenging and evolving projects before and are comfortable working through ambiguity;
🔹 You communicate clearly in writing and in conversation and are comfortable pushing back asking questions, and exposing risks early;
🔹 You are good at using documentation, experimentation, and AI tools to unblock yourself and accelerate your work, while still owning correctness and quality;
🔹 You care about leaving codebases and systems in a better state than you found them and think about maintainability by default;
🔹 Priori experience working at a US based company is a nice to have;
🔹Ability to use AI coding tools effectively to accelerate development, debugging, and refactoring while maintaining ownership of code quality, correctness, and security;
🔹 English – Upper-Intermediate or higher.

What you will do:
🔹 Own features end to end and drive them from discovery through design, implementation rollout, and follow up;
🔹 Work independently while collaborating smartly by unblocking yourself and asking questions or pulling in help at the right time;
🔹 Analyze and decompose complex work into clear, incremental steps without losing important edge cases;
🔹 Communicate and debate solutions by explaining complex topics simply and leading productive design discussions;
🔹 Identify and articulate tradeoffs across performance, reliability, complexity, and delivery speed to guide decisions;
🔹 Design and implement backend services including APIs, background jobs, and data flows across multiple domains and systems;

Interview stages:
🔹 HR-interview;
🔹 Technical Interview(s) with Team Engineers;
🔹 Non-Technical Interview with the CTO;
🔹 Reference Check;
🔹 Offer;

Why Join Us?

At YozmaTech, we’re self-starters who grow together. Every day, we tackle real challenges for real products – and have fun doing it. We work globally, think entrepreneurially, and support each other like family. We invest in your growth and care about your voice. With us, you’ll always know what you’re working on and why it matters.
From day one, you’ll get:
🔹 Direct access to clients and meaningful products;
🔹 Flexibility to work remotely or from our offices;
🔹 A-team colleagues and a zero-bureaucracy culture;
🔹 Opportunities to grow, lead, and make your mark.

After you apply

We’ll keep it respectful, clear, and personal from start to offer.
You’ll always know what project you’re joining – and how you can grow with us.

Everyone’s welcome

Diversity makes us better. We create a space where you can thrive as you are.

Ready to build something meaningful?

Let’s talk. Your next big adventure might just start here.

ZentixSoft is looking for a Senior Node.js Engineer! 🚀
 

Format: Full-Time Outstaffing, long-term remote project. You will focus on building robust, high-performance, data-heavy product interfaces and enterprise backend workflows.

Key Responsibilities:
Design and build backend services in Python and/or Node.js
Own API design - contracts, versioning, validation, documentation and backwards compatibility
Implement asynchronous and background processing using queues, workers and event-driven patterns
Handle retries, idempotency and failure paths so that processing stays reliable under load
Containerise services and deploy them on Azure with automated CI/CD
Maintain test coverage, observability and logging to support debugging and production support
Investigate and resolve production issues, and optimise performance and scalability
Participate in code review, technical discussions and estimation

Requirements:
6+ years of backend engineering experience
Strong Python and/or Node.js at a senior level
Proven API design experience beyond endpoint implementation
Hands-on experience with asynchronous processing — message queues, background workers, event-driven architecture
Experience with Docker and containerised deployment
Practical Azure experience
Strong testing discipline and production ownership
Good communication skills and ability to work independently

Nice to Have:
Kubernetes, Helm and infrastructure as code
PostgreSQL and NoSQL databases at scale
Experience mentoring engineers or leading a small team
Exposure to LLM integration within backend services
Experience in a consulting or client-facing environment
Experience in the energy sector
Availability to work a Sunday–Thursday working week

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. 

ChargerSystem builds a CPMS — a management platform for EV charging infrastructure. Our clients are charging network operators in Ukraine and abroad. The platform covers charging operations, billing, payments, station management, integrations, mobile applications, and operational tooling.

We are expanding our Web Services Development Team and looking for a Software Engineer with hands-on experience in building AI-powered tools and help evolve the ChargerSystem platform.

The role

You will become part of the Web Services Development Team. Your primary focus will be developing and improving AI-powered tools, agents, and integrations built around ChargerSystem MCP.

This is a product engineering role: you will work within an established release process, contribute to platform development, and deliver production-ready functionality together with the team.

What you’ll own
 

AI-powered tools and agents

• Develop and maintain ChargerSystem MCP tools and AI-powered workflows;

• Build AI agents, tool-calling scenarios, and internal automations;

• Integrate LLMs with ChargerSystem services in a secure, reliable, and observable way;

• Improve agent context handling, structured outputs, retrieval/RAG scenarios, and user experience;

• Turn operational needs into practical AI features that can be safely used by internal teams.
 

Engineering process

• Participate in prioritization, code reviews, testing, and releases;

• Work within the team’s established release and quality processes;

• Investigate issues in production and contribute to reliability and observability improvements;

• Take part in the ongoing technical evolution of the ChargerSystem platform.

Technology stack

• TypeScript, Node.js, NestJS;

• MongoDB, Redis, Elasticsearch;

• NATS, WebSocket / Socket.IO, BullMQ;

• AWS: Cognito, S3, SES, SQS;

• Docker, Kubernetes, Argo CD, AWS ECR / CodeBuild;

• Jest and Node.js test runner for unit and integration tests;

• Git, code review, CI/CD, and established release workflows.

What we’re looking for
 

Required

• 3+ years of commercial experience with Node.js and TypeScript;

• Strong experience with NestJS, REST APIs, integrations, and asynchronous processing;

• Hands-on experience with LLMs, AI agents, MCP, RAG, vector databases, or related AI integration solutions;

• Understanding of authentication, authorization, RBAC, and secure API design;

• Experience with unit and integration testing;

• Ability to work independently while following established engineering and release processes;

• Strong ownership: you deliver working solutions, not only prototypes or technical proposals.

Nice to have

• Experience with distributed systems, event-driven architecture, and AWS;

• Experience in EV charging, OCPP, OCPI, IoT.
 

What you get

• A core role in a product team building AI capabilities for a real operational platform;

• Direct influence on how AI tools and agents are used across ChargerSystem;

• Established engineering processes, release workflows, and clear service ownership;

• Close collaboration with engineering and operations teams, CTO and CEO.

• The opportunity to work on EV infrastructure — a growing domain in Ukraine and international markets;

• Market compensation.

Description

A product is an affordable alternative to traditional broadcast video capture system. We provide a full broadcasting solution for amateurs, broadcasters, sports leagues, clubs, coaches and consumers, offering unique, interactive and immersive viewing experiences.

The AI-based automated production solution provides the sports market with easy and affordable ways to produce and distribute high-quality game, player videos and performance analysis. The system consists of a unique panoramic camera head and standard computers running proprietary algorithms for Panoramic and HD video and camera control.

Giving an editing platform for multiple types of athletic events we establish the first end-to-end automated video and data solution in the sports industry. The product revolutionizes sports video with an automated online video editing system that enables coaches to simply and easily access game video break downs, saving them time and hassle. Our range of products include game analysis, game exchange, and video replay. We support all major team sports and caters to every level from youth, high school, college, through professional.

Requirements

• At least 4 years of years of commercial experience;
• Strong knowledge of vanilla JavaScript and Nodejs;
• Experience with development RESTful interfaces using Nodejs & Express;
• Good understanding and practical experience with AWS;
• Understanding and experience with using RabbitMQ.
• Strong knowledge of application design principles and unit testing;
• Good understanding of Continuous Integration and Continuous Delivery principles;
• Hands-on experience with GenAI tools and frameworks (Cursor, Claude, ChatGPT, etc.);
• Knowledge of PHP will be a plus;
• Proactiveness is a must, ability to work independently with no or minimal supervision;
• Strong communication skills, both written and spoken.
   

Job responsibilities

• Close cooperation with Client R&D team to match requirements, coordinate with co-developers and manager, send regular updates – your communications skills will be very important;
• Drive the architectural design and evolution of the platform, ensuring scalability, security, performance, and maintainability;
• Proactively identify technical challenges and propose innovative solutions. Troubleshoot and resolve complex issues in a timely manner, ensuring the stability and reliability of the platform;
• Developing both personal expertise and team capabilities in the GenAI space.