Jobs Node.js

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 - advantage;
• 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!

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

We’re excited to offer a long-term opportunity for an experienced Back-end Developer (Node.js) to join a team of professional engineers and designers. Together, you’ll be working on a US-based product that’s set to make a significant impact on the PropTech scene. This role offers the chance to contribute to a major market and collaborate with top talent in a dynamic environment.
 

About ElevateOS Product

ElevateOS has been improving the resident experience for over seven years. We created a single, all-in-one platform that makes it easy for property managers and resident staff to work together. Our goal is simple: to provide the best experience for residents by replacing multiple, confusing apps with one easy solution.

This is a stable, long-term project that continues to grow, and you'll have the chance to be part of its ongoing success.

Our primary technology stack revolves around JavaScript. We use React for the front-end, Node.js for the back-end, and React Native for mobile development.

Requirements:

- 4-5+ years of development experience with Node.js;
- Practical knowledge of VanillaJS, Typescript, Express-like framework;
- Hands-on experience creating robust RESTful API’s and designing scalable back-end architecture;
- Proficiency with relational DB;
- Experience with integration with 3rd party REST and SOAP API's;
- Good knowledge of GIT;
- Experience delivering projects, using modern tools like CircleCI, Docker, Kubernetes and navigating through different environments like AWS, GCP.
- Good understanding of ECMAScript specifications;
- Proficient in the English language.

Additional (good-to-have) skills:
- Experience with MySQL, nginx, Stripe, Twilio, Redis
- Experience working in a product company rather than outsourcing.

What will your responsibilities include?
- Creating first-class back-end systems by writing clear, sustainable and well-tested code;
- Improving performance and refactoring existing code;
- Cooperating with the Product, UI/UX, QA and Front-end teams to fulfil project goals;
- Configure project environments and deployment procedures;
- Bugfix during the development process;
- Cover your code with unit tests;
- Write documentation.

We are looking forward to having you on board to contribute to our journey of transforming real estate property management!

🟢We invite a Senior Software Engineer with strong Node.js expertise and solid AWS knowledge to join our team. You'll work with a trusted leader in the Point-of-Sale industry with over 100,000 global installations. In this role, you’ll contribute to our client’s new initiative focused on creating data mapping between diverse menu order systems and integrating two distinct APIs to ensure seamless and accurate data transfer.

🟩 What's in it for you:

• Collaborate on a high-load, technically challenging backend project, expanding your expertise in API integration, data mapping, and data transformation
• Contribute to a global tech platform offering robust solutions for the restaurant and food service industry
• Influence technical best practices and mentor engineers, promoting a culture of quality and continuous improvement

✅ Is that you?

• 4+ years of commercial backend development experience with deep expertise in Node.js and TypeScript in production environments
• 2-3+ years of AWS experience (EC2, ECS, Lambda, SQS/SNS, CloudWatch, etc.)
• Solid experience with MongoDB
• Proven experience designing, building, and maintaining RESTful APIs
• Strong understanding of backend architecture and service design
• Experience writing unit and integration tests
• Experience with CI/CD pipelines and automated deployments
• Strong ownership mindset and ability to work independently, resolve complex issues, and deliver solutions
• Excellent communication and cross-functional collaboration skills
• Upper-Intermediate+ English level

Desirable:

• Experience mentoring or providing technical guidance to engineers
   

🧩Key responsibilities and your contribution

In this role, you’ll contribute to the design, development, and continuous improvement of high-loaded backend systems and services, ensuring technical quality and delivering bullet-proof solutions.

• Design, build, and maintain high-loaded backend systems and APIs using Node.js and AWS
• Develop new backend features and enhancements for production systems
• Support and troubleshoot production systems to ensure reliability and performance
• Identify and reduce technical debt and implement improvements to maintain code quality and reliability
• Write and maintain unit and integration tests to ensure code quality
• Collaborate with cross-functional teams to define requirements and deliver bullet-proof solutions
• Contribute to the continuous improvement of backend architecture and development practices
• Create and maintain clear, organized development documentation

About

EdSpan is an innovative EdTech company dedicated to creating cutting-edge learning experiences that empower the next generation of students. Our collaboration with a US-based private school network helps us better understand user needs while expanding our B2C and B2B products to a broader audience. Our current focus includes an AI-guided tutoring experiences, a peer-to-peer tutoring platform, and a custom learning management system.

We operate within a framework of clearly defined processes supported by automation for routine tasks, and open, productive collaboration across the team. Our workflows are based on Agile principles, with daily stand-ups, bi-weekly sprints, and other key Scrum practices. At the same time, we keep meetings to a minimum to ensure everyone can stay focused on delivering high-quality results and continuing to grow professionally.

Requirements

• 4 or more years of experience in backend development
• Experience with PHP: version 8.0 and above, Laravel or Symfony frameworks
• Experience with NodeJS: any of TypeScript-based frameworks
• Good understanding of OOP principles and best practices (DRY, KISS, SOLID)
• Familiarity with Domain-Driven Design (DDD)
• Strong knowledge of relational databases (MySQL, PostgreSQL, etc.) and good understanding of non-relational databases (Redis, OpenSearch, or other)
• Practical experience with Docker, docker-compose, and CI/CD pipelines
• Experience writing unit and integration tests

• Intermediate level of English (B1) or above

   

Would be a plus

• Hands-on experience working with Large Language Models (LLMs) - third-party integrations or hosted models, Retrieval-Augmented Generation (RAG) pipelines, LLM Engineering Platforms
• Practical knowledge of cloud infrastructure (AWS or other providers) beyond basic object storage and compute instances

• Familiarity with real-time communication technologies such as WebSockets or WebRTC

   

Responsibilities

• Implement new features following architecture guidelines, review the code of your peers
• Write code following best practices, common design patterns, and Domain-Driven Design ideas
• Integration with 3rd party services (including LLMs, Payment Service Providers, Text-to-Speech, realtime communication and more)
• Debug and fix issues on staging and production environments
• Preparing Swagger schema definitions and implementing automated tests
• Scope decomposition and task estimation
• Participate in daily meetings and other scrum rituals

Stack: Node.js, Python, Go. 
Strong preference for candidates with experience in Mystery Box / CS Open Case platforms (or similar high-load random drop systems).

English B2+

We offer:

• Cooperation with a stable company with well-established processes and a positive atmosphere
• Experience in project management of different levels of complexity, methodology, and approaches
• Flexible schedule: Mon-Fri (8 hours a day)
• 18 days of paid vacation; 15 days sick leave
• A decent level of remuneration with regular reviews of the results of cooperation
• Extensive loyalty program 

We are looking for a Founding Engineer to join a fast-growing start-up developing a product for automated lead generation and recruitment outreach.  

Responsibilities: 

- Autonomously architect, prototype, & build the product from the ground up.

- Develop integrations with AI (e.g. Perplexity, OpenAI) & 3rd party API (e.g. CRMs).

- Leverage your prompt engineering skills to maximize the outcome.

- Horizontally work with founders in discussions on business & product topics.

Requirements: 

- 1+ years of experience in a SaaS/startup previously. 

- Senior-level engineer with 5+ years of software development experience. 
- Experience in RAG & AI agents development and prompt engineering.
- API development and integration experience.
- Database design and optimization (SQL).
- Development in cloud infrastructure (AWS/GCP/Azure).
- Patterns for asynchronous task processing (RabbitMQ, SQS, or similar).
- Experience with n8n/make will be a great plus.

- Authentic obsession with giving customers the best.
- Excellent verbal communication skills.

- Excellent English, strong B2 level minimum.

Job details:

• Full-time.
• Fully remote.
• Long-term.
• B2B contract.
• Start date — ideally ASAP / by mid-April.
• Also, you will get founding member equity % in addition to your fixed salary.

What else will you get:

- Learning how a startup grows.

- Direct impact on product and company strategy.

- Deliver value directly to paying B2B clients.

- Opportunity to build and lead a team and department.

- You will work with the most modern toolset (including Cursor in Agent mode).

The hiring process: 

• 45 min pre-screen interview with a recruitment manager
• 15-30 min call with the client
• a technical deep-dive interview, most likely with online coding (conducted by client)
• online call with the team or key team members

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!

A direct contract with the product company (PropTech, US).

Work schedule: remote CET business hours.

We’re excited to offer a long-term opportunity for an experienced Back-end Developer (Node.js) to join a team of professional engineers and designers. Together, you’ll be working on a US-based product that’s set to make a significant impact on the PropTech scene. This role offers the chance to contribute to a major market and collaborate with top talent in a dynamic environment.

About ElevateOS Product:

ElevateOS has been improving the resident experience for over seven years. We created a single, all-in-one platform that makes it easy for property managers and resident staff to work together. Our goal is simple: to provide the best experience for residents by replacing multiple, confusing apps with one easy solution.

This is a stable, long-term project that continues to grow, and you'll have the chance to be part of its ongoing success.

Our primary technology stack revolves around JavaScript. We use React for the front-end, Node.js for the back-end, and React Native for mobile development.

Requirements:

- 4-5+ years of development experience with Node.js;

- Practical knowledge of VanillaJS, Typescript, Nest.js;

- Hands-on experience creating robust API’s and designing scalable back-end architecture;

- Experience with managing data and using different types of databases (SQL and non-SQL) for storing and operating on data;

- Experience delivering (even small) projects, using modern tools like CircleCI, Docker, Kubernetes, Swarm and navigating through different environments like AWS, GCP, Digital Ocean.

- Good understanding of ECMAScript specifications;

- Good knowledge of GIT;

- Proficient in English language.

Additional (good-to-have) skills:

- Experience with Microservice Architecture;

- Experience working with AWS.

Responsibilities:

- Creating first-class back-end systems by writing clear, sustainable and well-tested code;

- Improving performance and refactoring existing code;

- Cooperating with the Product, UI/UX, QA and Front-end teams to fulfil project goals;

- Configure project environments and deployment procedures;

- Bugfix during the development process;

- Cover your code with unit tests;

- Write documentation.

We are looking forward to having you on board to contribute to our journey of transforming real estate property management!

We’re excited to offer a long-term opportunity for an experienced Back-end Developer (Node.js) to join a team of professional engineers and designers. Together, you’ll be working on a US-based product that’s set to make a significant impact on the PropTech scene. This role offers the chance to contribute to a major market and collaborate with top talent in a dynamic environment.
 

About ElevateOS Product

ElevateOS has been improving the resident experience for over seven years. We created a single, all-in-one platform that makes it easy for property managers and resident staff to work together. Our goal is simple: to provide the best experience for residents by replacing multiple, confusing apps with one easy solution.

This is a stable, long-term project that continues to grow, and you'll have the chance to be part of its ongoing success.

Our primary technology stack revolves around JavaScript. We use React for the front-end, Node.js for the back-end, and React Native for mobile development.


Requirements:

- 4+ years of development experience with Node.js;
- Practical knowledge of VanillaJS, Typescript, Express-like framework;
- Hands-on experience creating robust RESTful API’s and designing scalable back-end architecture;
- Proficiency with relational DB;
- Experience with integration with 3rd party REST and SOAP API's;
- Good knowledge of GIT;
- Experience delivering projects, using modern tools like CircleCI, Docker, Kubernetes and navigating through different environments like AWS, GCP.
- Good understanding of ECMAScript specifications;
- Proficient in the English language.


Additional (good-to-have) skills:

- Experience with MySQL, nginx, Stripe, Twilio, Redis
- Experience working in a product company rather than outsourcing.


What will your responsibilities include?

- Creating first-class back-end systems by writing clear, sustainable and well-tested code;
- Improving performance and refactoring existing code;
- Cooperating with the Product, UI/UX, QA and Front-end teams to fulfil project goals;
- Configure project environments and deployment procedures;
- Bugfix during the development process;
- Cover your code with unit tests;
- Write documentation.


We are looking forward to having you on board to contribute to our journey of transforming real estate property management!

About company and product

A Singapore seed-stage startup is a platform for fan communities that brings together communities around anime, K-pop, and other subcultures — all in one place. Our goal is to become the go-to fandom platform on the internet where every type of fandom in the world is found.

The mobile app is currently live on iOS and Android after launching our MVP, which was soon followed by Version 2.0, and the company are now building Version 3.0 with the goal of scaling toward our Series A.

📍About the role

At the moment we’re on a mission to find a Founding Engineer — 1st in-house tech employee — to help scale our platform toward Series A and beyond. We seek an ambitious Backend Engineer who’s experienced in building and scaling applications with thousands of users and would like to join us on a mission to build the future of how the world experiences fandoms.

This is a learning-intensive role aimed at building the expertise and foundation needed to eventually steer the company’s architectural direction.

Your core responsibility will be to own, understand, and optimize the backend systems of our mobile app. Your main focus will be to (1) build the algorithms that power our core user experience, and (2) strengthen the cloud infrastructure to support scaling to 1 million users.

What you will do during the first quarter – six months

The founding engineer will work closely with Uptech under the guidance of the Tech Lead, while collaborating within the Huddle team on high-level strategic decisions. 
 

– Design and implement the core recommendation and engagement algorithms.

– Collaborate with the Uptech and Huddle team to integrate algorithms into the system.

– Define data structures and pipelines to support algorithm efficiency and scalability.

– Test and refine algorithms to optimize performance.

– Contribute to high-level technical decisions around algorithm architecture and future enhancements.

📍Requirements for candidates

• You have 3-5 years of professional experience as a back-end engineer or full stack developer, preferably in high-growth startups or product-driven teams.
• You are comfortable working in a fast-paced environment, where priorities evolve quickly and execution speed matters.
• You take full ownership of technical outcomes and act as the primary technical decision-maker.

• Excellent communication English skills (both verbal and writing)

   

Backend & Data:

• Strong experience with Node.js and NestJS
• Solid knowledge of PostgreSQL
• Familiarity with NoSQL databases
• Experience designing APIs and data models for high-traffic systems
• DB performance optimization (indexes, queries, schemas)

Infrastructure & CI/CD:

• Hands-on experience with Amazon Web Services
• Infrastructure as Code with Terraform or similar tool
• Experience building CI/CD pipelines (tests, builds, deployments)
• Understanding of containerized deployments and rollback strategies

Code Quality:

• Experience with automated testing (unit / integration)
• Linters, formatters, and code review practices
• Focus on maintainable, production-ready code

Algorithms & Performance:

• CS / Math background
• Experience with feed or ranking algorithms
• Performance optimization: caching, lazy loading, preloading, thumbnails
• High-load experience is a plus

Nice-to-have requirements for candidates:

• Observability: Monitoring with Grafana observability stack (i.e. Prometheus)
• Experience in social platforms, community-based apps, or messaging products.
• Strong understanding of startup product cycles, from MVP to scale.
• Interest in building immersive environments (virtual spaces) or 3D avatar-based interactions.

• Interest in web applications.

   

Stages of communication:

1. Intro Call with recruiter — 30 min
2. Tech pre screen — 30 min
3. Competency-based interview — up to 1 h
4. Technical Assessment (2 stages): Tech Interview (2 h), Design Session (2 h)
5. Executive interview and Offer
    

___________________________________________

1️⃣ Benefits package for a Remote employee (B2) consists of:

• 14 days annual leave + up to 14 days paid sick leave after 3 month probation period pro-rated;
• Public holidays according to remote employee's (B2B) country of residence;
  * Employee covers social security, taxes, and medical insurance.
•  Salary with Equity.

2️⃣ Benefits package for an Onsite employee consists of:

• Relocation package Singapore (PR pathway, settling-in allowance; 
• One free annual round-trip flight to your home country;
• 14 days annual paid leave per calendar year;
• Up to 14 days sick leave and up to 60 days hospitalisation leave after 3 months of employment;
• Full basic medical insurance coverage, including outpatient treatment, hospitalisation, and dental care, subject to the insurer’s policy terms;
• Salary with Equity;
• Post-Funding Benefits;
• Office-based (hybrid flexible).

We are looking for a Software Engineer with strong backend expertise to strengthen our engineering team at a successful web project from the USA.

As a Software Engineer, you will contribute to building and enhancing the platform within a collaborative engineering team. While the current stack includes Angular and Node.js, the strategic goal is to expand backend capabilities and strengthen collaboration with engineering and ETL teams.

Depending on project priorities, you may initially focus on Angular/Node.js features, while gradually contributing more to backend services and integrations, where .NET/C# experience will be valuable. You should be comfortable working across the stack when needed.

Our ideal candidate:

• Is comfortable working across both frontend and backend when needed
• Brings strong backend engineering experience
• Can help increase the technical seniority of the team
• Is proactive and capable of contributing to technical direction and system design
• Demonstrates strong ownership and problem-solving skills
• Is collaborative, comfortable working in ambiguous environments, able to mentor others, and raise the overall technical maturity of the team

Requirements

Must have

• 5+ years of professional software development experience.
• Strong experience in backend development.
• Hands-on experience with Node.js and Angular.
• Previous or current experience with .NET / C#.
• Experience designing and implementing backend services or APIs.
• Strong problem-solving skills and the ability to work with complex systems.
• Upper-Intermediate English (B2+) or higher.
• Proactive mindset and ability to take ownership of technical solutions.

Will be a plus

• Experience with AWS or other cloud platforms
• Experience working with healthcare systems or regulated environments
• Experience with SQL and/or NoSQL databases (e.g., MySQL, MongoDB)
• Mentorship or technical leadership experience

Responsibilities

• Develop and maintain features using Angular and Node.js (Express).
• Contribute to backend services and system architecture where applicable.
• Strengthen the team's backend expertise and engineering maturity.
• Collaborate with engineering and ETL teams on integrations and data-related workflows.
• Participate in architecture discussions, code reviews, and technical decision-making.
• Identify opportunities to improve system scalability, reliability, and maintainability.
• Share knowledge and support other engineers when needed.

About Project

Our client is a Software company from the USA.

Product

This platform is dedicated to ensuring payment integrity for health payers. Our project focuses on creating and implementing cutting-edge technology solutions to tackle current and future challenges in the healthcare industry for health plans. By bringing together payers, providers, and business partners on one technology platform, we aim to facilitate transparent communication and support collaboration.

Stage

Active phase of development

Project team

Existing team on the client side. We work with the US team (Eastern and Central time zones) — around 10 people. Our team is 17 people (9 MEAN stack developers, 8 QA, 1 PM)

Project Technologies

MEAN (MongoDB, Express. js, Angular and Node.js)

Work schedule

Full-time working day (flexible hours), possibility to work remotely or visit our offices in Lviv, Kyiv or Krakow.

Interview Stages

1-st stage — Call with Recruiter (30 minutes)
2-nd stage — Interview with our Senior Engineer (1 hour)
3-rd stage — Client interview

🟢 At Dev.Pro, we work on projects that impact millions of people around the world — but we know it’s the people behind the tech who make it all happen. We truly value what makes each person unique and are building a workplace that’s inclusive, friendly, and supportive.

We invite a Senior Software Engineer with strong Node.js expertise and solid AWS knowledge to join our team. You’ll work with a trusted leader in the Point-of-Sale industry with over 100,000 global installations. In this role, you’ll contribute to our client’s new initiative focused on creating data mapping between diverse menu order systems and integrating two distinct APIs to ensure seamless and accurate data transfer.

🟩 What’s in it for you:

• Collaborate on a high-load, technically challenging backend project, expanding your expertise in API integration, data mapping, and data transformation
• Contribute to a global tech platform offering robust solutions for the restaurant and food service industry
• Influence technical best practices and mentor engineers, promoting a culture of quality and continuous improvement

✅ Is that you?

• 4+ years of commercial backend development experience with deep expertise in Node.js and TypeScript in production environments
• 2-3+ years of AWS experience (EC2, ECS, Lambda, SQS/SNS, CloudWatch, etc.)
• Solid experience with MongoDB
• Proven experience designing, building, and maintaining RESTful APIs
• Strong understanding of backend architecture and service design
• Experience writing unit and integration tests
• Experience with CI/CD pipelines and automated deployments
• Strong ownership mindset and ability to work independently, resolve complex issues, and deliver solutions
• Excellent communication and cross-functional collaboration skills
• Upper-Intermediate+ English level

Desirable:

• Experience mentoring or providing technical guidance to engineers

🧩Key responsibilities and your contribution

In this role, you’ll contribute to the design, development, and continuous improvement of high-loaded backend systems and services, ensuring technical quality and delivering bullet-proof solutions.

• Design, build, and maintain high-loaded backend systems and APIs using Node.js and AWS
• Develop new backend features and enhancements for production systems
• Support and troubleshoot production systems to ensure reliability and performance
• Identify and reduce technical debt and implement improvements to maintain code quality and reliability
• Write and maintain unit and integration tests to ensure code quality
• Collaborate with cross-functional teams to define requirements and deliver bullet-proof solutions
• Contribute to the continuous improvement of backend architecture and development practices
• Create and maintain clear, organized development documentation

🎾 What’s working at Dev.Pro like?

✔️ 30 paid days off per year — take them whenever you want for vacation, holidays, or personal time
✔️ 5 paid sick days, up to 60 days of medical leave, and 6 paid days off per year for major family events like weddings, funerals, or the birth of a child
✔️ Partially covered health insurance after the probation, plus a wellness bonus for gym memberships, sports nutrition, and similar needs after 6 months
✔️ Grow your skills with English lessons, online training, conferences, and the option to explore new career paths

Our next steps:

✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Internal interview — ✅ Offer

We are elai.io, an innovative AI-driven startup specializing in video generation. Recently acquired by Panopto, we’re now part of a growing team of around 250 professionals focused on advancing learning through powerful, interactive video technology.

We are looking for a hands-on Software Development Engineer in Test to design and implement our integration test automation strategy. The goal of this engagement is to build reliable integration coverage for critical audio/video flows, reduce regressions, and increase release confidence while enabling developers to own and maintain integration tests long term.

Contract details

• Duration: 3 months;
• Focus: integration test automation strategy implementation, CI/CD integration, and developer enablement;
• Engagement type: B2B contract.

Scope of work

1. Implement automated integration coverage across key system boundaries:
   •  API integration tests for Express + MongoDB (Supertest + isolated DB)
   •  Frontend-to-backend integration tests for critical flows
   •  Integration coverage for audio/video pipelines and artifacts;
2. Build and maintain the integration automation infrastructure;
3. Integrate tests into CI/CD as defined in strategy:
   • PR gates (API integration)
   • staging gate (integration smoke / critical flow suite);
4. Enable the dev team to own more integration tests:
   • create clear documentation (how to write/run integration tests, patterns, examples, DoD expectations)
   • prepare templates/snippets for common integration test scenarios
   • run knowledge-sharing sessions / workshops and support developers during adoption
   • actively encourage and coach developers to write integration tests as part of feature work.

Required skills

1. Strong hands-on experience implementing integration test automation (API + system/service integration);
2. Solid JavaScript and TypeScript testing experience in React and Node.js environments;
3. Strong experience with Playwright (for integration-level smoke flows where needed);
4. Experience with API testing (Supertest or equivalent) and database test isolation (MongoDB);
5. Proven experience validating audio and video artifacts in automated tests;
6. CI/CD experience, including test gates, parallel execution, artifacts, and stable pipelines;
7. Strong communication skills with the ability to document clearly and guide engineers toward better testing practices.

We offer

• Competitive salary based on qualifications and contributions
• Flexible working hours
• Opportunity to work with a highly qualified international, friendly team
• Fully remote work

We are looking for a talented Blockchain Engineer to design, develop, and maintain internal platforms, with a primary focus on backend development using Node.js.

In this role, you will also contribute to front-end features and blockchain-integrated systems. You will be responsible for building scalable services, integrating Web3 technologies, and supporting workflows for decentralized applications.

Responsibilities:

• Design and develop backend services using Node.js
• Integrate blockchain/Web3 technologies into existing systems
• Build and maintain scalable APIs and microservices
• Collaborate on front-end features when needed

• Ensure performance, security, and reliability of applications

   

Requirements:

• 5+ years of experience in software development
• Strong experience with Node.js
• Experience with blockchain technologies (Ethereum, smart contracts, Web3.js, etc.)
• Understanding of decentralized applications (dApps)
• Experience with REST APIs and microservices architecture

• Basic front-end knowledge (React or similar)

   

Nice to have:

• Experience with Solidity
• Experience with DeFi / NFT projects

• Familiarity with cloud platforms (AWS, GCP)

   

We offer:

• Remote-friendly environment
• Competitive compensation
• Work on innovative Web3 products