Jobs

Role Overview

As a Backend Developer, you will develop and maintain backend services, integrate third-party APIs, and ensure the security and performance of our system. You will work closely with blockchain and payments services, contributing to a highly scalable and secure architecture.

Key Responsibilities

• Develop and maintain NestJS-based microservices in TypeScript
• Implement secure and scalable APIs using TypeORM and PostgreSQL
• Integrate third-party APIs, such as payment gateways, crypto exchanges, and KYC services
• Collaborate with the team to implement best coding practices and maintain high-quality code
• Participate in code reviews, debugging, and testing to ensure system reliability

• Work with blockchain integrations, including Web3.js/Ethers.js and private key management

   

Requirements

• 3-5 years of backend development experience, with 2+ years in Node.js/NestJS
• Strong TypeScript and NestJS skills
• Experience with PostgreSQL, TypeORM, and query optimization
• Experience in API development, authentication (JWT/OAuth), and encryption
• Knowledge of payment gateways, crypto exchanges, and KYC integrations is a plus
• Strong problem-solving skills and a willingness to learn new technologies
• Basic familiarity with blockchain technology, Web3.js/Ethers.js, and security best practices

FAVBET Tech develops software that is used by millions of players around the world for the international company FAVBET Entertainment.
We develop innovations in the field of gambling and betting through a complex multi-component platform which is capable to withstand enormous loads and provide a unique experience for players.
FAVBET Tech does not organize and conduct gambling on its platform. Its main focus is software development.

Main areas of work:

• Betting/Gambling Platform Software Development — software development that is easy to use and personalized for each customer.
• Highload Development — development of highly loaded services and systems.
• CRM System Development — development of a number of services to ensure a high level of customer service, effective engagement of new customers and retention of existing ones.
• Big Data — development of complex systems for processing and analysis of big data.

• Cloud Services — we use cloud technologies for scaling and business efficiency.

   

Requirements:

• 7+ years of professional experience with NodeJS.·
• 2+ years of experience in a leadership position.
• Strong understanding of software design principles and architectural patterns.
• Proven expertise in cloud computing, specifically with AWS, and hands-on experience with containerisation technologies like Docker and orchestration tools like Kubernetes.
• Demonstrated leadership skills with the ability to manage and motivate a diverse team of technical professionals.
• Solid understanding of the technical and regulatory challenges in the online gambling industry.
• Experience with Agile/Scrum methodologies and a commitment to adopting agile practices in team management and product development.
• Excellent problem-solving skills.
• Expertise in overseeing large-scale, multifaceted projects.
• Skilled at inspiring, mentoring, and managing diverse, remote teams.
• Experienced in setting performance metrics, monitoring team performance, and providing constructive feedback to promote personal and professional growth of team members.

• Effective in managing and leading change within the team and projects, helping team members adjust to and embrace new technologies, processes, and strategies to improve overall outcomes.

   

Responsibilities:

• Leadership and Project Oversight: Direct and oversee the development team, ensuring effective implementation of new features and systems according to business requirements.
• System Design and Development: Independently design and develop system architectures, ensuringintegration and alignment with company goals.
• Performance Optimization: Optimize system performance through advanced configurations in PostgreSQL and RabbitMQ.
• Quality Assurance and Testing: Lead the creation and maintenance of comprehensive test strategies to ensure high-quality software development.
• Strategic Planning and Execution: Develop strategic plans for technology implementation and oversee their execution, ensuring alignment with long-term business objectives.
• Post-production monitoring and analyzing.

• Keep services in acceptable level. Learning from deploys, future improvements based on the results obtained.

   

We offer:

• 30 days off — we value rest and recreation;
• Medical insurance for employees and the possibility of training employees at the expense of the company and gym membership;
• Remote work or the opportunity — our own modern lofty office with spacious workplace, and brand-new work equipment (near Pochaina metro station);
• Flexible work schedule — we expect a full-time commitment but do not track your working hours;
• Flat hierarchy without micromanagement — our doors are open, and all teammates are approachable.

QIT Software is looking for an experienced Senior PHP / Node.js Engineer who wants to be part of a global product team with a strong engineering culture and a modern tech stack. We have mature development processes, solid DevOps practices, and a strong focus on clean code and software quality. If you’re someone who takes ownership, enjoys shaping architecture, and loves automation — we might be a great match.

Hiring process:
1 - Pre-screen (up to 30 mins), 2 - Test task, 3- Technical interview (~30-45 mins), 4- Final interview

Requirements:
- 5+ years of experience in backend development
- Strong hands-on experience with PHP (Symfony or Laravel) and Node.js (both required)

- Experience with Domain-Driven Design (DDD), Saga Pattern, Event Sourcing, and CQRS is required.
- Solid understanding of microservice architecture
- Experience with Docker and Kubernetes in production
- Familiarity with CI/CD pipelines and tooling
- Skilled in writing tests and maintaining code quality
- English level B2 or higher for team communication

Responsibilities:

- Build and maintain microservices using PHP and Node.js
- Design and implement scalable APIs and internal services
- Contribute to technical decisions and architectural discussions
- Work on refactoring and improving the existing codebase
- Collaborate through code reviews and pair programming
- Follow and help improve CI/CD processes and testing standards
- Participate in TDD/BDD, A/B testing, and best practice adoption

Will be a plus:

- Experience with TypeScript
- Background in high-load or scalable systems
- Experience working in distributed, international teams

What we offer:

- 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;
- Paid 15 vacation days, 5 sick days and public holidays.

Job Description 

We are developing fitness apps for the German market and are seeking a talented and experienced TechLead developer. 

The ideal candidate possesses a strong product mindset and a deep understanding of database and backend architecture, with expertise in designing APIs for web and mobile client apps, as well as in integrating and communicating with third-party tools such as Zapier, HubSpot, Firebase Cloud Messaging, Apple Health, and Fitbit.

Requirements:

• 6+ years of proven experience as a JS Fullastack Developer with a strong portfolio showcasing distributed micro-services architecture with NestJS using message brokers for communication (NATS, RabbitMQ, Kafka).
• Experience with deploying and maintaining the backend applications using AWS.
• Deep understanding of API design patterns for robust communication between microservices.
• Experience with setting up appropriate security patterns to ensure data safety. 
• Hands-on experience with integrating Search solutions such as Typesence, ElasticSearch or Algolia.
• Solid knowledge of Typescript, Prisma ORM, Supabase Auth, Supabase DB, Docker, Docker Compose, AWS ECS, AWS Fargate, AWS S3, AWS IAM, Redis and GitHub CI/CD.
• Deep understanding of client-server communication patterns, caching, session and state management.
• Good understanding of system design and ETL processes (as we will work with external data sources)
• Experience with mono-repos (Turbo, Nx) and PNPM would be an advantage
• Strong communication and collaboration skills
• Ability to adapt to changing project requirements and manage multiple tasks simultaneously.
• Knowledge of the fitness industry and familiarity with fitness applications and trends are a plus.

Preferred Qualifications:

• Experience working on projects that include nutrition tracking, workout plans, progress tracking, and communication with external APIs.
• Familiarity with integrating wearable technology, smart devices and synchronisation with external fitness tracking systems such as Apple Health, Fitbit, and Garmin.
• English B2 level is required.
• German B2 + would be an advantage

Key Responsibilities:

• Development of server-side APIs with a distributed micro-services architecture and business logic, including communications with external systems and databases.
• Supporting the team with the development of mobile and web (client) applications, by focusing on reusable and easy-to-use APIs to be used by mobile and web developers.
• Collaboration with stakeholders to gather and analyze requirements, ensuring alignment with business goals and user needs.
• Participate in brainstorming sessions and contribute innovative ideas to enhance the user experience.

We are hiring a Senior Software Developer for a cutting-edge surveillance and video analytics project developed for an Israeli client in the defense and security space. The role involves enhancing and expanding an existing platform to meet strict requirements defined in a government-level tender.

About the Project:

You’ll work on a complex real-time video streaming and analytics system used for monitoring and drone-based reconnaissance. The system ingests RTSP feeds from PTZ cameras and drone devices, streams them via MediaMTX, and delivers processed insights through a secure, web-based dashboard. The platform requires seamless integration with ONVIF-compliant devices, advanced control over drone operations via WebSocket, and highly accurate detection of motion, humans, and vehicles in the video feed.

Key Responsibilities:

• Refactor and scale the streaming architecture using RTSP and WebRTC protocols.

• Integrate and manage PTZ cameras through ONVIF with real-time control.

• Build robust APIs for drone communication and control using RTSP and WebSocket.

• Implement secure video recording with civilian-grade encryption and strong authentication.

• Develop and tune video analytics features such as VMD and object detection with 90%+ accuracy.

• Contribute to both back-end and front-end development using Node.js, React, Vite, and TypeScript.

• Troubleshoot and optimize the platform for performance, security, and maintainability.

Requirements:

• 5+ years of hands-on software development experience.

• Deep experience with RTSP, WebRTC, and MediaMTX or similar platforms.

• Strong proficiency in ONVIF protocol and PTZ camera control.

• Experience building APIs and controlling drone systems over WebSocket.

• Solid background in security: encryption, authentication, access control.

• Proven ability to implement and optimize real-time video analytics.

• Advanced skills in Node.js, React, Vite, and TypeScript.

• Ability to work independently and deliver high-quality code in a dynamic, fast-paced environment.

This is a unique opportunity to contribute to a high-stakes system with real-world impact, working closely with a client based in Israel. You’ll be part of a team pushing the boundaries of what’s possible in live video intelligence.

Metamindz is a fast-growing UK-based tech partner. We build digital products, provide fractional CTO services, and support scaling companies with technical hiring and due diligence.

We’re currently hiring a Senior Backend Developer on behalf of a long-term  client — an established, fast-scaling technology company building cutting-edge AI-driven tools used by thousands of users worldwide.

This role is ideal for someone who enjoys deep technical challenges, long-term product thinking, and contributing to reliable, scalable backend systems within a modern engineering team.

You’re a great fit for this role if you:

• Have 4–6 years of experience in backend development, preferably within SaaS, AI, or B2B product environments
• Are confident writing TypeScript and working with Node.js at scale
• Have practical experience with MongoDB or similar NoSQL databases
• Can design, build, and maintain robust APIs and backend services with strong performance and security standards
• Understand and apply software architecture principles, RESTful API design, and best practices for scalability and maintainability
• Are familiar with automated testing (unit, integration, end-to-end) and code quality tooling
• Have experience working in cloud-native environments with tools such as Docker, Kubernetes, and GitHub Actions
• Communicate clearly in English (C1+) and collaborate well with cross-functional teams
• Are proactive, organised, and able to drive your work from design to deployment and support

Your responsibilities:
 

• You’ll be part of a core backend engineering team responsible for maintaining and evolving a mature, production-grade system. Your day-to-day will involve:
• Designing and implementing scalable, secure, and maintainable backend services in TypeScript
• Building and refining APIs used by frontend applications and external integrations
• Collaborating with product managers, frontend engineers, and QA to align on functional and technical requirements
• Writing reliable tests and contributing to a high-quality codebase
• Monitoring system performance and proactively resolving performance or reliability issues
• Participating in architecture discussions and continuous improvement of development processes

Why you’ll love working with us:
 

•  Deep tech challenges – Work on meaningful problems in AI, real-time systems, and scalable infrastructure
•  Product stability with room to innovate – Join an established company with a long-term roadmap and real customers
•  Structured team, strong peers – Collaborate with experienced engineers, designers, and product professionals
•  Modern tooling – TypeScript, MongoDB, Docker, Kubernetes, CI/CD pipelines
•  Remote-first – Work from anywhere, with flexible hours and clear expectations

•  Clear communication culture – Async-friendly, transparent, and focused on outcomes

   

What we offer:

• Stable compensation – competitive base rate based on experience and location
• Long-term opportunity – work on a growing product with a long-term vision
• Supportive environment – clear processes, realistic timelines, and space to do your best work
•  Fully remote team – flexibility and trust to work where you’re most productive
• Growth potential – opportunities to take on more responsibility and evolve your role over time

About Metamindz UK

We’re a UK-based tech company led by engineers, not salespeople. Our clients are startups, scale-ups, and mature product companies across 🇬🇧 the UK, 🇺🇸 the US, and 🇮🇱 Israel. We help them build with confidence by providing the right tech talent, leadership, and delivery frameworks. If you value thoughtful engineering and want to be part of a team that builds for the long term — we’d love to hear from you.

What We're Looking for: 

- 2-3 years of commercial experience on this position 

- Node.js

- Python

- TypeScript

- PostgreSQL

- FastAPI

- Django

- AWS

- Docker

- GCP

- English level Upper-Intermediate 

About the job

GTO LAB is focused on enhancing poker learning through digital content. Our project directly engages poker enthusiasts, providing them with valuable insights and learning resources.

• Team: Part of the remote in-house team.
• Management line: reports to Tech Lead.
• Work conditions: 5 days/week, remote, flexible working hours.
• Type of engagement: PE contract/other type of contracts

Tasks:

• Design and implementation of scalable and compatible applications/features and related automation and infrastructure.
• Troubleshoot, maintain, and enhance software features, focusing on backend and frontend integration, and large amounts of data processing.
• Be an active team player within a multinational team.

Must-Have Skills (Hard, Technical):

• 8+ years of software development experience
• Expertise in: Node.js, Google Cloud Platform, PostgreSQL, Next.js.
• Experience in DevOps practices and tools, like infrastructure, containerisation and orchestration management (e.g., GitHub Actions, Terraform, Kubernetes, Docker ), GCP.
• Experience with handling substantial SQL / JSON datasets.
• Comprehensive understanding of both back-end and front-end development

As a Plus Skills (Hard, Technical):

• Familiarity with the poker industry or a strong interest in developing poker-related software.
• Quick learner, able to adapt and research new technologies.

We are seeking a skilled Shopify Developer with a strong background in backend development to create and maintain Shopify plugins related to payment processing.

🔧 Requirements:

• Minimum 3 years of experience in software development
• Proven experience in Shopify plugin development and publication
• Proficiency in PHP or Node.js
• Solid understanding of Shopify APIs and app store requirements
• Experience working with payment integrations is a strong plus

🚀 What You’ll Do:

• Design, build, and maintain Shopify plugins used for payment workflows
• Ensure plugin performance, security, and scalability
• Collaborate with our product and engineering teams to deliver seamless merchant experiences

We offer flexible remote work, a dynamic team environment, and the opportunity to work on meaningful financial technology products.

Junior+/Middle Backend Developer

Collective Forecast (COFO)

About Us

Collective Forecast (COFO) is an innovative analytics and trading platform offering real insights that drive tangible profits. We're a quant trading research team that designs cutting-edge tools to maximize trading performance using ML/AI technology. Our ecosystem of products helps traders make informed decisions through our proprietary data analysis and predictive models. With a track record of 91% profitable trades and consistent returns, we're revolutionizing data-driven trading.

Position Overview

We're seeking a talented and motivated Junior+/Middle Backend Developer to join our dynamic team at COFO. In this role, you'll help build and maintain the backbone of our next-generation data-driven trading platform. You'll work on critical components that power our trading tools, including CoFo Scout, CoFo Intelligence Dashboard, and CoFo Insights Engine.

Responsibilities

• Develop, maintain, and optimize backend services that power our trading analytics platform
• Implement APIs for data collection, processing, and delivery to frontend applications
• Contribute to the development of our ML/AI-powered trading models and algorithms
• Work with large datasets and implement efficient data processing pipelines
• Collaborate with frontend developers to ensure seamless integration of backend services
• Write clean, maintainable, and well-tested code
• Participate in code reviews and technical discussions
• Contribute to the continuous improvement of our development processes
• Stay updated with the latest technologies and best practices in backend development

Requirements

• 1-2 years of professional experience in backend development
• Strong proficiency backend programming language (Node.js / Nest js)
• Experience with RESTful API design and implementation
• Experience with WebSocket protocols for real-time communication
• Familiarity with database technologies (Mongo DB)
• Basic understanding of cloud platforms (AWS)
• Knowledge of version control systems (Git)
• Ability to write clean, efficient, and well-documented code
• Good problem-solving skills and attention to detail
• Basic understanding of financial markets and trading concepts is a plus
• Experience with data processing frameworks is a plus
• Experience with a Docker is a plus
• Experience with Redis is a plus
• Ability to work both independently and as part of a team
• Good communication skills in English

What We Offer

• Opportunity to work on cutting-edge trading technology
• Exposure to ML/AI applications in financial markets
• Professional growth with mentorship from experienced developers
• Competitive salary and benefits package
• Flexible work arrangements
• Collaborative and innovative work environment
• Regular training and learning opportunities
• Potential to see your code make real impact on trading performance
• Chance to be part of a team delivering 91% profitable trades

How to Apply

If you're passionate about building high-performance backend systems for financial applications and want to be part of revolutionizing data-driven trading, we'd love to hear from you!

We are looking for a Middle Backend Developer (Node.js) to join our team and work on an AI-powered software that integrates with business email accounts and time tracking/billing systems. 

🚀WHAT WE'RE LOOKING FOR:

• 3+ years of commercial software development experience;
• Solid working knowledge of Node.JS / Mongo / AWS / Swagger;
• Experience with Express.js/Nest.js;
• Experience with Payments;
• Understanding of network operations/protocols, experience with Socket.io/WebSockets;
• Good debugging skills;
• Thorough experience of RESTful service design, API design, and best practices for building resilient and maintainable distributed systems;
• Experience with Typescript

💻RESPONSIBILITIES:

• Develop and maintain the mobile application using React, ensuring high performance and responsiveness
• Implementation of new product features
• Collaborate with team members
• Participate in the code review process
• Be involved in planning, designing, and execution
• Outline project scope and schedule, and provide accurate estimates of quality.

🕗 WORKING SCHEDULE:

This is a full-time permanent position (full remote). 

WHY IVORYSOFT:

• Flexible remote work
• Competitive salary based on experience
• Opportunity to work on an AI-driven product
• Friendly and professional team
• Career and professional growth, regular performance, and salary reviews
• Remote work opportunity and flexible working schedule
• Building projects from scratch, working only with the latest technologies
• Team buildings and corporate activities
• Legal support for private entrepreneurs

If you're ready to join a team working on cutting-edge AI solutions, apply now! 🚀

Hello everyone!

We are looking for a Middle Node.js Engineer to join a project in Silicon Valley.
 

Project Idea

The project was founded back in 2014 with the goal of connecting private and government universities with regular people like we are. You have a variety of auditoriums, gyms, classrooms, and other venue options available for community use —
schedule facility uses and manage requests from the community all in one place.

Just imagine that you’re a football player and you can rent a football field at Harvard to play with your friends. Amazing, right?

What exciting things is the product doing for the community?

The product is transforming the way public and private spaces are discovered, reserved, and used across communities — all online and accessible anywhere.

 

What is the team size and structure?

Our team consists of: 1 Tech Lead, 2 Front-End developers, 3 Back-End developers, 1 React-Native developer, 1 Data Engineer, UI/UX Designer, 2 QA, 1 AQA, and PM.
 

How many stages of the interview are there?

— Interview with the Recruiter — up to 30 min.;

— Interview with PM — up to 30 min.;

— Technical interview — up to 1 hour;

— Interview with the client — up to 1 hour.
 

Requirements:

Must have:

• 3+ years of working experience using Node.js;
• Hands-on experience with MongoDB;
• Experience with Serverless and Lambda functions (pet-project also works);
• Understanding NoSQL (MongoDB, relations, triggers, etc.);
• Experience working with Jira and Confluence (understanding what is A/C, DoD, and Scrum ceremonies);
• Experience in building schemas, validations, and models using Mongoose in Node.js applications;
• Upper-intermediate or higher level of English.

Soft skills:

• Proactive — you take ownership and act without waiting for direction;
• Detail-oriented — you deliver accurate, high-quality work;
• Initiative-driven — you’re eager to improve processes and take action.
   

Would be a plus:

• Experience with other programming languages;
• Experience with MongoAtlas;
• Degree in a technical field.
   

Responsibilities:

• Development of the web application with search functionality;
• Development of the Client application’s structure;
• Direct communication with the development team and customers;
• Participation in sprint planning and task evaluation;
• Ensuring the code tests coverage.

Job Description

We're excited if you have

• 1+ years of commercial development experience building backend services
• Good culture fit and excellent team player
• Strong level knowledge of JavaScript and Node.js
• Strong English - both verbal (video meetings online) and written (requirements, descriptions, blueprints).
• Experience with AWS (Lambda, S3, SQS, Batch)
• Experience with MongoDB
• Experience with GraphQL is a plus
• Experience with WordPress and/or knowledge of PHP is a big plus
• Experience with GitHUB Actions and/or AWS CodePipeline is a plus
• BS or MS degree in Computer Science or equivalent.

Job Responsibilities

• Work in the team working under agile software engineering (analysis, architecture, technical design, task planning, coding, PR reviews, maintenance, etc.) framework
• Build innovative backend services in the media domain space
• Code, test, document and deliver features with high-performance and availability in mind
• Enhance existing and create new features for Node.js backend
• Collaborate with program managers, marketing, designers, software engineers in tests to build and enhance the backend

Department/Project Description

Development & maintenance of backend services for TV streaming in AWS for an international broadcasting company headquartered in New York, US. The company owns several television channels/brands, developed state-of-the-art TV streaming applications for Android TV, Android Mobile, Apple TV, and Fire TV platforms, and wants to improve its backend services.

Required Skills

Strong experience with NestJS (3+ years), including modules, services, DI, and middleware.

Solid PostgreSQL knowledge for structured data (migrations, relations, JSONB).

Setting up indexes and analyzers (multi-language, stemming, synonyms).

Writing efficient queries (bool, match, fuzzy, etc.).

Keeping ES in sync with PostgreSQL (manual sync or using queues).

Comfortable building REST APIs (GraphQL is a plus).

Experience with authentication, access control, and rate-limiting.

Comfortable working with Redis for caching or background jobs (e.g., syncing ES).

Able to write clean, testable code (Jest or similar frameworks).

Nice to Have

Experience with job queues like BullMQ for ES sync.

Familiarity with Directus or similar CMS systems.

Understanding of deployment using Docker, AWS, or other cloud infrastructure.

We are an innovative  Blockchain company building scalable and secure blockchain solutions. Our projects in DeFi, NFT platforms, and other decentralized services, leveraging Ethereum and Solana. We are looking for Back-end developer for more than one large project that will be used by hundreds of thousands, if not millions of users.

Mandatory Skills & Experience:

• Node.js and TypeScript (3+ years): deep knowledge of NestJS — modules, providers, middleware, decorators; ability to design microservice architecture.
• MongoDB: schema design, query optimization, replication, sharding.
• PostgreSQL: schema design, query optimization, transactions.
• Redis: caching, pub/sub, TTL, token graph storage.
• RabbitMQ (or equivalent): pub/sub, RPC, prefetch configuration, dead-letter queues, high availability.
• Docker & Docker Compose: writing optimized Dockerfiles, multi-stage builds, local service orchestration.
•  AWS: EC2, S3, Secrets Manager.
• CI/CD: GitHub Actions for build, test, and deployment automation.
• Web3 and DeFi: interacting with smart contracts via ethers.js/web3.js; understanding AMM models (Uniswap V2/V3, Curve, Balancer), TVL, impermanent loss; HD wallets, hot/cold wallets; basics of MEV and mempool analytics.
• Soft Skills: reading English documentation; working effectively in a distributed team; code review expertise; responsibility for finding optimal solutions.

Nice to Have:

• Experience with Go: goroutines, channels, performance optimization.
• Experience with APIs of various centralized exchanges (Binance, OKX, Kraken, Coinbase, etc.).
•  GraphQL: schema design, resolvers.
• DDD, event sourcing, CQRS.

• Intent-based systems and sequencer endpoints.

   

  We offer:

• Flexible schedule and remote work opportunities.
• Access to cutting-edge Web3 projects and large-scale developments.
• Professional growth opportunities
• 18 day off
• 30 sick leave
• and others benefits