Jobs Node.js

Project Description
The Carbon Capture Platform supports verification and management of CO₂ sequestration data from Carbon Capture and Storage operations. The system processes monitoring data, generates verifiable records, and enables the creation of digital tokens representing stored CO₂.

At the initial stage, the team will analyze the existing platform, including architecture review, codebase evaluation, and identification of technical issues, gaps, and risks.
Based on this assessment, the team will resolve identified issues, improve system stability and scalability, and implement enhancements. The scope also includes development of new features and onboarding of new customers, including integration with external systems such as SCADA platforms.

The overall goal is to ensure reliable platform operation, support its further development, and enable efficient integration of new users and data sources.

Responsibilities

• Analyze backend architecture and codebase to identify technical debt, performance issues, and design limitations
• Support evaluation of current data model, APIs, and data processing logic
• Implement improvements to backend services to address architectural and performance issues
• Develop and maintain backend APIs for data ingestion, system operations, and integrations
• Implement new features and enhancements based on customer requirements
• Support integration with external systems such as SCADA and industrial monitoring platforms
• Troubleshoot and resolve production issues affecting backend services
• Collaborate with DevOps and QA teams to ensure system reliability and performance

Mandatory Skills

• 5+ years of backend development experience
• Strong experience with Node.js and modern backend frameworks
• Hands-on experience with AWS services (Lambda, RDS, S3)
• Practical experience with Python for backend logic or data processing
• Experience designing microservices and scalable REST APIs for high-throughput data ingestion
• Experience with relational databases such as PostgreSQL
• Basic understanding of blockchain integrations

Nice-to-Have Skills

• Familiarity with SCADA platforms or industrial monitoring systems
• Basic understanding of blockchain or decentralized data protocols
• Experience with time-series databases or telemetry data systems
• Experience collaborating with DevOps on CI/CD and system reliability improvements

Languages

• English: B2 (Upper Intermediate)**

We're hiring a Senior Backend Engineer to join a US-based team working on a hosting platform that serves hundreds of thousands of users. The product includes a website builder with AI capabilities, a customer management panel, and internal support tools.

The role
You'll spend most of your time writing backend services in Node.js / TypeScript. Some tasks involve frontend work in React / TypeScript  roughly an 80/20 split. 

A separate DevOps team manages infrastructure; you may occasionally prototype something in a container, but production setup is on them.

AI is part of the product but only as integration. You'll call APIs from providers like OpenAI or Claude. No ML knowledge needed.

You'll be responsible for

• Designing and building backend services end to end
• Contributing to the frontend when a feature requires it
• Deploying your work and supporting it in production
• Collaborating with Product, Platform, and SRE teams
• Proposing technical improvements — there's an Architect, but independent thinking is expected

Stack

Node.js, TypeScript, React, Redis, MySQL, PostgreSQL, Elasticsearch, RabbitMQ / Kafka, monitoring & observability tools

What matters

• Production experience with Node.js / TypeScript (Express, NestJS, or similar)
• Working knowledge of React / TypeScript
• Strong database and caching skills
• Ability to debug across multiple services in production
• Ownership mindset — you take a task from design to release
• English — daily async communication + one weekly call with the US team

Bonus

• Microservice architecture & API design
• Docker / Kubernetes basics
• Performance profiling
• Linux / networking fundamentals
• Clean architecture, automated testing, SOLID

Conditions

• Fully remote, flexible schedule
• 20 days vacation / year
• Salary reviews every 6 months
• FOP with accounting support
• Real influence on a product at scale

Our client is a travel tech startup that helps users automatically save money on flights and hotel bookings. The platform monitors booked reservations and, if the price drops, rebooks or secures a refund so users get the savings without any manual effort. The product integrates with users’ email to track bookings and works with major airlines and hotels worldwide. The company operates on a performance-based model, taking only a percentage of the savings it generates.

Requirements

Must-have skills

• Node.js — 8-10+ years of commercial experience
• Express.js — building REST APIs, middleware, routing
• MongoDB — Mongoose ODM, aggregations, indexing, query optimization
• Redis — caching, pub/sub, queues
• Testing — writing unit and integration tests (Mocha, Chai, Supertest or similar)
• Git — branching, code review, merge requests
• REST API — design and third-party integrations

Nice-to-have skills

• TypeScript — typing, migrating JS projects to TS
• GCP (Google Cloud Platform) — Cloud Run, KMS, Cloud Storage
• OpenSearch/Elasticsearch — full-text search, indexing
• REDIS — cache, queues
• Socket.io/WebSockets — real-time communication
• Gmail API / Google APIs — OAuth 2.0, email processing
• Stripe — payment integration, webhooks
• Twilio — SMS notifications
• Cheerio — HTML parsing
• Handlebars — email templating

Would be a plus

• Knowledge of queue patterns and background job processing
• Experience with Passport.js (JWT, OAuth)
• Understanding of web application security principles (OWASP)

Responsibilities

• Develop and maintain backend services on Node.js
• Write automated tests for new and existing code
• Integrate with third-party APIs (payment systems, email services, SMS)
• Optimize performance and scalability
• Work with MongoDB database, Redis storage and OpenSearch engine
• Conduct code reviews and participate in technical discussions
• Work with existing codebase, refactoring

Tech Stack

• Runtime: Node.js 22
• Framework: Express.js
• Database: MongoDB (Mongoose)
• Search: OpenSearch
• Cache: Redis
• Real-time: Socket.io
• Cloud: GCP (Cloud Run)
• Auth: Passport.js (JWT, Google OAuth 2.0)
• Payments: Stripe
• Email: Gmail API, Resend
• SMS: Twilio
• Testing: Mocha, Chai, Supertest, Sinon
• Validation: Joi, Zod
• Logging: Winston

Our Customer:

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

Your tasks:

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

Required Experience and Skills:

• Over 8 years of experience with Node.js;
• Experience with AWS, including S3, RDS, and CloudFront;
• Experience in real-time video processing;
• Deep understanding of rendering synchronization techniques for multimedia content in a web browser environment;
• Hands-on experience with WebGL;
• Familiarity with DRM video streams (SRT, HLS) and Image Processing in the browser;
• Excellent problem-solving skills and attention to detail;
• Ability to work independently and in a collaborative team environment;
• Strong communication skills;
• English – Upper-Intermediate.

Would be a plus:

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

About Evestar
Evestar is a full-service eCommerce growth agency that helps fast-growing brands scale through data-driven marketing, creative excellence, and technology innovation. We work with global eCommerce companies to optimize their performance, automate their operations, and leverage AI to achieve sustainable growth.

About the Role
We’re looking for a Software Engineer with strong backend experience and a passion for building modern automation and AI-powered systems. In this role, you’ll be working on the development of intelligent workflows and integrations using NodeJS, Python, and platforms like n8n, Supabase, and Airtable.

You’ll collaborate with our data and automation teams to design, build, and optimize scalable systems that connect APIs, automate business logic, and leverage LLM models such as ChatGPT, Grok, and Gemini to enhance decision-making and workflow efficiency.

Responsibilities:

• Design, develop, and maintain backend systems and automation workflows
• Build and integrate APIs (REST, GraphQL, Webhooks, etc.) between different platforms
• Create and optimize database queries (SQL / Supabase)
• Implement AI-based logic using ChatGPT, Gemini, or other LLM APIs
• Collaborate with cross-functional teams to turn business needs into scalable tech solutions
• Troubleshoot, monitor, and improve system reliability and performance

Requirements:

• Strong experience with NodeJS and JavaScript (TypeScript is a plus)
• Experience with Python for scripting or backend logic
• Solid understanding of REST APIs, authentication (OAuth2), and third-party integrations
• Knowledge of SQL and experience with relational databases (PostgreSQL, Supabase, etc.)
• Familiarity with cloud services (AWS, GCP, or similar) and Docker
• Excellent communication skills and C1+ English (both written and spoken)

Nice to Have:

• Experience with n8n, Zapier, or Make
• Understanding of AI / LLM APIs (ChatGPT, Gemini, Claude, etc.)
• Experience with Airtable, Notion, or other productivity platforms
• Familiarity with eCommerce tech stacks (Shopify, Klaviyo, etc.)

Why Join Us:

• Work with a forward-thinking agency integrating AI and automation into real-world eCommerce
• Opportunity to experiment with cutting-edge tools and build AI-driven systems from scratch
• Collaborative, fast-paced environment with a focus on growth and innovation

About the project

Fintech project

Welcome bonus $1000 ❤️‍🔥

Requirements

• 5 + years of relevant experience in the IT industry, strong knowledge of including ECMAScript;
• 4 + years of experience with Node;
• Experience with NestJS;
• Experience with AWS;
• Experience with Aurora RDS;
• Experience with Serverless;
• Experience with NoSQL, PostgreSQL;
• Experience with Cognito;
• Experience with CI automation and test cases;
• English: Upper-intermediate.

Would be a plus

• Experience with Plaid integration;
• Experience with Google Cloud architecture.

What you will get

• Competitive compensation depending on experience and skills;
• English classes;
• Exciting and challenging projects all over the world on a long-term basis;
• Flexible working hours;
• Career development opportunity;
• Health/Sports Benefits;
• Informal and friendly atmosphere, a lack of bureaucracy and micromanagement;
• Paid vacation (18 working days) and 10 sick leaves;
• Unlimited work from home (remote) or in the office.

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!

We are looking for a highly experienced Senior Backend Engineer with a strong background in designing and developing scalable backend systems

Key Responsibilities

• Design, develop, and maintain robust backend services using NestJS, following best practices in modular architecture, DI, and middleware design.
• Architect and optimize complex PostgreSQL schemas, including migrations, relationships, and handling of semi-structured data via JSONB.
• Set up and tune Elasticsearch for multilingual, full-text search with support for analyzers, stemming, and synonyms.
• Implement and maintain synchronization strategies between PostgreSQL and Elasticsearch, using queues or manual sync mechanisms.
• Build reliable, well-documented RESTful APIs; experience with GraphQL is a strong advantage.
• Ensure secure access control, rate-limiting, and robust authentication mechanisms.
• Utilize Redis for caching, rate-limiting, and background job processing (e.g., Elasticsearch sync jobs).
• Write clean, maintainable, and thoroughly tested code using Jest or similar testing frameworks.
• Collaborate with cross-functional teams, take ownership of feature delivery, and contribute to the overall architecture and tech roadmap.

Required Skills

• 5+ years of professional experience in backend development, ideally within high-scale or real-time systems.
• Production-level experience with NestJS, PostgreSQL, Elasticsearch, and Redis.
• Deep understanding of system design, data modeling, and query optimization.
• Solid grasp of event-driven architecture and asynchronous job processing.
• Comfortable working in fast-paced, product-focused environments.
• Excellent problem-solving skills and a proactive mindset.
• English: B2 level or higher – able to clearly articulate technical concepts and actively participate in discussions.

WTT Solutions is an innovative and rapidly developing development company that uses leading technologies: Javascript / TypeScript-based frameworks — React, Angular, Node.JS, React Native, Flutter.

Now we are looking for Junior Nod JS Developer!

Required skills:

• Node.js 1+ year
• Express
  MongoDB
  Javascript

• Typescript
  ES5/ES6+
  English: intermediate level

   

  What we offer:

• Competitive salary based on your skills and experience.
• Opportunities for professional growth, including training, certifications, and attending conferences.
• Flexible working hours with the option to work remotely.
• A young and friendly team fostering a supportive atmosphere.
• Benefits package: paid vacations, sick leaves, and compensations.

About Us
We are a fast-growing and leading company in the AI Voice space for the iGaming industry. We replace inefficient manual processes with scalable, reliable, and high-performance AI technology. Our solutions are already used by 20+ brands across 8+ geographies. We are well-funded, ambitious, and building a team of top professionals.

We’re looking for a Backend Developer to build and maintain reliable backend services and integrations. You’ll work with TypeScript services, REST APIs, and cloud infrastructure, and help us deliver features through clean architecture, automated tests, and robust CI/CD pipelines.

Responsibilities

• Design, build, and maintain backend services using TypeScript
• Develop and document REST APIs and handle API integrations with external systems
• Work with MongoDB: data modeling, performance optimization, and query tuning
• Containerize and run services using Docker
• Improve reliability and delivery speed via CI/CD, version control best practices, and code reviews
• Apply OOP principles and maintain clean, scalable architecture
• Write and maintain automated tests (unit/integration) and ensure quality gates
• Deploy and operate services on AWS (e.g., EC2, S3, Lambda) and monitor production stability
• Implement and support workflow orchestration using Temporal or a similar workflow engine

Requirements (Must-have) 

• Strong experience with TypeScript
• Experience with Node.js
• Hands-on experience with MongoDB
• Confident with Docker
• Good knowledge of Git/GitHub and modern development workflows
• Experience with CI/CD pipelines
• Solid understanding of OOP and clean code practices
• Practical experience with automated testing
• Experience with REST APIs and third-party API integration
• Exposure to AWS services: EC2, S3, Lambda
• Experience with Temporal or a comparable workflow/orchestration engine
• Nice to have
• Python experience
• Experience with Retool (internal tools / dashboards)

What we offer 

• Fully remote work format and flexible working hours.
• Competitive salary pegged to USD.
• 24 days of paid vacation (sick leave, national, religious, and company holidays).
• A friendly communication culture and transparent processes.
• Dynamic work environment.
• Opportunities for professional development and career growth.
• No micromanagement — just trust, ownership, and freedom to experiment.

Gamzix company, a dynamic player in the iGaming industry:

• Was founded in March 2020 with a vision to redefine the world of online slot games
• Has already successfully produced 60 slot games
• The team has grown to over 120 skilled professionals, and we continue to grow
• Our main hub is in Warsaw — right in the heart of Europe
• With a strong focus on quality and compliance, we hold the prestigious MGA B2B Critical Supply License and certifications from industry leaders iTechLabs and GLI, ensuring the highest standards

Hey there! 👋

The Gamzix team is growing, and we’re looking for a Backend Engineer (Node.js) to help us design, build, and maintain reliable backend solutions that power our slot games and internal systems.

If you enjoy working with scalable architectures, APIs, and modern backend technologies — we’d love to meet you!

Responsibilities:

• Architect, design, and maintain backend solutions across multiple projects
• Develop and improve APIs, ensuring data integrity, security, and performance
• Collaborate closely with DevOps to improve infrastructure: CI/CD, monitoring, logging, and system reliability
• Conduct code reviews and promote best practices for clean, maintainable, and scalable code
• Investigate business needs and propose technical solutions
• Proactively handle system incidents and ensure uninterrupted service operation

Requirements:

• 2+ years of overall software development experience
• Strong hands-on experience with Node.js and TypeScript
• Practical experience with NestJS
• Solid knowledge of PostgreSQL
• Experience working with Redis
• Experience using RabbitMQ or other message brokers
• Understanding of backend architecture, asynchronous processing, and system reliability

What we offer:

• Market-level salary in the IT/Gaming industry
• Relocation support to Warsaw
• Referral bonus — bring in awesome people and get rewarded
• Home-Office coverage
• 7-hour working day: 10:00–18:00 (including lunch break)
• Hybrid model in Warsaw; full remote — for other locations
• Paid Sick Leave: up to 10 working days per year
• Paid Time Off: 18 vacation days, 10 days off, paid state holidays
• Corporate benefits: medical coverage, sports compensation, psychological services compensation
• Professional Development Support: reimbursement for external courses, training & certifications
• Corporate English classes (Business or General) — flexible timing
• Buddy Program
• Internal Gamzix Store (earn coins & exchange for branded gifts)
• Corporate team building and activities
• Open and transparent communication — accessible C-levels, quick decision-making, friendly and supportive atmosphere

Our people are passionate professionals who truly enjoy what they do. At Gamzix, your ideas matter, teamwork drives results, and everyone keeps up with the fast-paced rhythm of the iGaming industry.

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 ❤️

Hello.

We are looking for a Middle+/Senior Node.js Developer to join Ohayu (https://ohayu.com). We are building the easiest way for travelers to stay online anywhere in the world. We’re a fast-scaling B2C mobile + web app (iOS/Android/Web) that lets people buy eSIM data plans in minutes - cheaper than roaming, no SIM shops, no hassle. Thousands of travelers already use Ohayu worldwide, and we’re just getting started.
Our ambition is bigger than eSIM: we’re evolving Ohayu into a full Travel App that makes every journey smoother.

What you’ll do:

This role is for someone who wants real ownership and real product impact.

• Own integrations with third-party APIs (telco/eSIM providers, payments, analytics, etc.) - abstraction layers, reliability, observability, edge cases, scale.
• Shape backend direction: architecture decisions, technical standards, and how we build/ship safely at speed.
• Enable rapid experimentation: implement backend changes for A/B tests and product iterations that directly impact conversion and retention.
• Build and maintain production-grade services: migrations, logging, alerts, uptime, and smooth releases.

What we’re looking for:

• 5+ years of backend with OOP experience
• 5+ years with Node.js + TypeScript
• 2+ years with NestJS
• 5+ years with MySQL / MariaDB / PostgreSQL
• Hands-on production experience: migrations, monitoring/logging, alerts, process managers (pm2/supervisor), incident mindset
• You work independently, communicate clearly, and take responsibility end-to-end
• At least intermediate English level (all work communication is in English)

Nice to have:

• Experience with high-load systems
• Experience supporting A/B testing and experimentation platforms/pipelines

Why to join us:

• Direct product impact: what you ship gets used immediately by real travelers.
• Ownership: you’re not “a contributor,” you’re a builder helping set the backend direction.
• Product engineering culture: we care about UX and conversion as much as we care about clean code.
• Fast pace, real learning: constant iterations, clear feedback loops, real-world constraints.
• Genesis ecosystem: access to strong expertise, resources, and networking.
• Benefits: health insurance, 20 paid vacation days, annual performance review with clear salary progression.

Work format: Possibility to work fully remotely or from our offices in Warsaw, Kyiv or Lviv.

Join us in reshaping the future of connectivity.

Our Mission and Vision
 

At Solidgate, our mission is clear: to empower outstanding entrepreneurs to build exceptional internet companies. We exist to fuel the builders — the ones shaping the digital economy — with the financial infrastructure they deserve. To achieve that, we’re on a bold path: to become the #1 payments orchestration platform in the world.
 

About the Team and Role
 

As a Node.js Engineer in the Launch Team, you’ll power the backend behind the Digital Onboarding. Our mission is to ensure Solidgate works with compliant merchants while making the onboarding experience fast, seamless, and scalable.
 

You will build the fastest path from “I’m interested” to “I’m live.”
 

Why it’s different

• You’ll reduce Time-to-Live — directly impacting growth.
• You’ll shape the evolving Node.js stack (no legacy drag).
• You’ll design resilient, durable and scalable systems targeting 99.99% uptime.
• You’ll use AI to ship faster and embed AI-powered features into the product.
   

Tech Stack

Launch is one of the first teams driving the Node.js stack at Solidgate.
 

We don’t just adopt tools — we define standards, practices, and engineering culture that other teams follow. What we use:

• Fastify — lightweight, high-performance web server
• gRPC + Protobuf — typed service-to-service communication
• PostgreSQL + Drizzle ORM — reliable data layer with a modern query builder
• Kafka (@platformatic/kafka) — streaming-first, event-driven architecture
• Vitest — unit and functional testing

Plus custom solutions: distributed locks, metrics, streamers, and more.

Explore our full technology stack ➡️ here (https://solidgate-tech.github.io/)

The stack is still evolving — meaning real influence. No legacy baggage. Just modern Node.js running on mature architectural rails inspired by the Golang ecosystem.
 

What you’ll be doing

• Designing a flexible compliance rule engine. You’ll help design a rule engine capable of supporting multiple regulatory frameworks while remaining flexible and easy to adapt as policies change. The system should also be able to detect when rule updates require re-evaluating previously approved merchants and trigger the appropriate compliance workflows.
• Building systems with full traceability. We operate on highly sensitive compliance data, where transparency and accountability are essential. You’ll build systems that provide end-to-end auditability, ensuring every action can be traced.
• Ensuring reliability of mission-critical services. The data produced by this platform powers multiple downstream systems, including financial settlement processes and banking integrations used to open MIDs for merchants. You’ll work on building services that are highly available, durable, and resilient, ensuring the reliability of critical business operations.
• Leveraging AI for smarter document processing. You’ll help introduce GenAI-powered capabilities to streamline document processing and verification flows, reducing manual work for compliance teams and significantly accelerating merchant onboarding.
   

Who you are

• Strong ownership and clear tech POV.
• You ship production-ready systems, not just features.
• 2+ years of Node.js backend experience with solid TypeScript skills.
• Confident with testing (unit/integration/e2e).
• Comfortable with distributed systems principles.
   

Nice to have: GenAI, Next.js, compliance-heavy domains (GDPR/SOC2), Golang experience.
 

Why Join Solidgate?

High-impact role. You’re not inheriting a perfect system — you’re building one.
Great product. We’ve built a fintech powerhouse that scales fast. Solidgate isn’t just an orchestration player — it’s the financial infrastructure for modern Internet businesses. From subscriptions to chargeback management, fraud prevention, and indirect tax — we’ve got it covered.
Massive growth opportunity. Solidgate is scaling rapidly — this role will be a career-defining move.
Top-tier tech team. Work alongside our driving force — a proven, results-driven engineering team that delivers. We’re also early adopters of cutting-edge fraud and chargeback prevention technologies from the Schemes.
Modern engineering culture. TBD, code reviews, solid testing practices, metrics, alerts, and fully automated CI/CD.

💌 The Extras: 30+ days off, unlimited sick leave, free office meals, health coverage, and Apple gear to keep you productive. Courses, conferences, sports and wellness benefits — all designed for ideas, focus, and fun.

Tomorrow’s fintech needs your mindset. Come build it with us.

QIT Software is looking for an experienced App Developer to build, launch, and maintain an application on one or more major SaaS marketplaces such as:
- Shopify
- HubSpot
- Canva
- Adobe
- Figma
- Slack
- Salesforce
- Others


You’ll own the full lifecycle of development — from integrating our APIs and authentication flows to deploying and maintaining the app post-launch.

Ideal candidates have previously built production-ready marketplace apps or third-party integrations connecting APIs between platforms.

Details:
- Client: USA
- Tech stack: Python, Node.js, TypeScript, SQL/NoSQL, APIs, etc.
- Timezone: 8 hours overlap with PST


Requirements:

- Proven experience developing apps for Shopify, HubSpot, Canva, Adobe, Slack, or similar ecosystems
- Strong experience in  Node.js,
- Hands-on experience with REST APIs, webhooks, and OAuth 2.0
- Knowledge of deployment best practices (cloud hosting, CI/CD pipelines)
- Familiarity with marketplace submission and approval processes
- Excellent communication and ownership mindset
- Must align full-time with PST timezone

Responsibilities:

- Develop and launch a fully functional app or integration on a major SaaS platform
- Connect and extend our product’s functionality through REST APIs and webhooks
- Implement secure authentication (OAuth 2.0) and handle multi-tenant configurations
- Manage submission, approval, and version updates on marketplace
- Provide ongoing support, maintenance, and improvements post-launch

Work conditions:

- The ability to work remotely from anywhere in the world;
- Flexible work schedule, no micromanagement, no strict deadlines and free overtime work;
- Work in European and American products with a modern technology stack in different industries (Finance, Technology, Health, Construction, Media, etc.);
- Revision of wages every year or on an individual basis;
- Accounting support and full payment of taxes by the company;
- 100% compensation for remote English lessons;
- 15 paid leaves (PTO) and public holidays.