Jobs Backend

• Project Description:

  Our team is responsible for the development, integration, and support of corporate information systems designed to help business processes run with maximum efficiency.
  
  We develop a set of software products used by 15k+ Luxoft employees. Our solutions automate a wide range of business processes, including client relationship management, contract workflows, purchasing, business travel, budget planning, invoicing, recruitment, personnel administration, and time and resource management.
  
  We are looking for an experienced Software Developer with deep knowledge of architectural approaches to software design and implementation.
   

• Responsibilities:

  Be part of an agile development team
  Participate in microservices architecture implementation
  Participate in architecture and system design reviews
  Understand the concepts of Clean Architecture and DDD
  Be able to conduct code reviews
  Have experience with the .NET 9 tech stack
  Be able to write maintainable code
   

• Mandatory Skills Description:

  - .NET 9
  - DDD
  - Clean Architecture
  - Angular 19
  - MS SQL

   

• Nice-to-Have Skills Description:

  - Advanced English
  - Azure Kubernetes Services
  - Azure DevOps (CI-CD, Docker, HELM)
  - Enterprise Architecture
  - EF Core
  - Microservices architecture
  - Elastic
  - Redis

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!

Who are we looking for?

You are the biggest Drupal fan we know. You are contagiously enthusiastic and you never stop learning. You already have experience as a web developer in a web agency. You strive to deliver high-quality projects, on time and within budget.

Experience in Drupal 10 is of great importance. You are excellent with PHP, OOP, SQL & JavaScript. And can dive into version control systems like Git with a big smile!

Bonus points

Do you actively participate in the Drupal Community? Then be sure to let us know :)

Responsibilities:

• following best practices to write well-tested, high-performing code;
• implementing new features and functionality;
• ensuring high performance and availability, and managing all technical aspects of Drupal;
• TeamTechLeading;
• responsibility for products architecture.

We offer:

• competitive compensation depending on experience and skills;
• regular performance review and individual career path;
• sick leave and regular vacation;
• compensation for self-development like English class, gym sessions, etc;
• you get great and experienced colleagues for free!
• challenging full-time job
• flexible working hours policy for a good work-life balance, because we find that extremely important!
• good working conditions: new-built office, cozy chairs, coffee & cookies, hookah area.

Remote collaboration is not considered.

We are looking for a Senior .NET/React Software Engineer for an hourly-based contract (3–5 months), with a possibility of extension based on project needs and performance.

You will join an established product team in a US-based product company working on globally adopted, large-scale production platforms used daily by millions of readers, students, and institutions worldwide, contributing to cross-team initiatives and providing technical leadership across mature, business-critical systems!

Given the technical stack and maturity of the product, we are looking for a Senior engineer whose primary, long-term experience is in C# / .NET and React.

About products:

• A global digital reading platform used by millions of readers worldwide.
• A digital reading platform designed for schools and educational institutions.

• A streaming service for films and documentaries.

   

Tech Stack

Most things we build use:

• C#
• NET MVC / Web API
• SQL Server
• React

Common supporting infrastructure includes:

• Centralized logging with Elasticsearch and Kibana
• Messaging with RabbitMQ
• Application monitoring with New Relic

For source control and pull requests, teams choose between:

• GitHub
• BitBucket

We use automated build and deploy, and encourage unit testing.

Our code runs in Microsoft Azure and Amazon AWS, as well as in our own data center.

Team-specific: We’ve adopted other data stores to deal with issues of scale and performance, and to better fit our evolving data models. For example:

• MongoDB
• Azure Table Storage
• Elasticsearch
• Redis
• Kafka

We also have applications that make heavy use of the following technologies:

• Ruby-on-rails
• Node.js
• Ember.js
• A custom JavaScript framework

• Scala

   

Important for us:

1. 7+ non-interrupted years of professional experience with C#, the .NET web technology stack, and React.
2. Senior-level background
3. Strong understanding of web-based architecture and development.
4. Expert knowledge of software development.
5. Expert understanding and ability to create and maintain systems using language appropriate for target or equivalent technologies (i.e. C#, JavaScript, JSON, XML, ASP.NET MVC, etc.).
6. Expert capability to create and maintain SQL and/or document databases as required to support development projects.
7. Leadership aptitude: adept at training and mentoring others.
8. Skilled to consistently reduce software complexity while balancing short-term productivity with long-term maintenance.
9. Track-record of anticipating technical problems and designing solutions to overcome them.
10. Effectively facilitate cross-team work.
11. Understand the business that their code supports.

12. At least Upper-Intermediate English

     

Responsibilities:

Software Development & Ownership

• Develop and maintain new and existing web applications using .NET (C#) and React.
• Own features end-to-end: requirements analysis, design, implementation, delivery, and production support.
• Break down complex initiatives into clear, achievable deliverables.
• Contribute to the design and maintenance of SQL and/or document databases.

Technical Leadership & Architecture

• Provide technical leadership in architecture, design decisions, implementation, and code quality.
• Identify and resolve requirement gaps, reduce technical debt, and improve system maintainability.
• Research and evaluate new technologies to select optimal solutions.
• Contribute to shared codebases, architectural decisions, and engineering standards.

Collaboration & Delivery

• Work independently on small to medium projects and contribute to large cross-team initiatives with a Solution Architect.
• Lead small projects or support medium-sized initiatives.
• Facilitate discussions around user scenarios, technical trade-offs, and delivery optimization.
• Participate in initiatives impacting multiple teams.

Code Quality & Production

• Ensure high code quality through code reviews, pull requests, and pair programming.
• Support testing, performance planning, reliable releases, and production stability.

What you’ll get working with us:

• Short-term hourly-based contract (3–5 months) with a clear scope, transparent expectations, and a possibility of extension based on project needs and performance.
• Opportunity to work on globally adopted, large-scale production products used daily by millions of readers, students, and institutions worldwide.
• High-impact engineering work on mature, business-critical systems — not an MVP or experimental project.
• Collaboration with a strong, cross-functional product team, including experienced backend, frontend, QA engineers, architects, and product stakeholders.
• A senior-level engineering environment with a strong focus on code quality, architecture, scalability, and long-term maintainability.
• Modern technology stack, automated CI/CD pipelines, cloud infrastructure (Azure & AWS), and engineering best practices.
• Autonomy and ownership: real influence on technical decisions, architecture, and implementation.
• Fully remote work with a distributed, well-organized team.
• Professional, respectful communication and a well-established engineering culture.
• Valuable experience working with well-known US-based digital products that strengthen your professional profile.

If we are a match — we are waiting for you! Send your CV!

We are looking for a Middle .NET/React Software Engineer for an hourly-based contract (3–5 months), with a possibility of extension based on project needs and performance.

You will join an established product team in a US-based product company working on globally adopted, large-scale production platforms used daily by millions of readers, students, and institutions worldwide!

Given the technical stack and maturity of the product, we are looking for a Middle engineer whose primary, long-term experience is in C# / .NET and React.

About products:

• A global digital reading platform used by millions of readers worldwide.
• A digital reading platform designed for schools and educational institutions.

• A streaming service for films and documentaries.

   

Tech Stack

Most things we build use:

• C#
• NET MVC / Web API
• SQL Server
• React

Common supporting infrastructure includes:

• Centralized logging with Elasticsearch and Kibana
• Messaging with RabbitMQ
• Application monitoring with New Relic

For source control and pull requests, teams choose between:

• GitHub
• BitBucket

We use automated build and deploy, and encourage unit testing.

Our code runs in Microsoft Azure and Amazon AWS, as well as in our own data center.

Team-specific: We’ve adopted other data stores to deal with issues of scale and performance, and to better fit our evolving data models. For example:

• MongoDB
• Azure Table Storage
• Elasticsearch
• Redis
• Kafka

We also have applications that make heavy use of the following technologies:

• Ruby-on-rails
• Node.js
• Ember.js
• A custom JavaScript framework

• Scala

   

Important for us:

1. 5 non-interrupted years of professional experience with C#, the .NET web technology stack, and React.
2. Solid hands-on experience with .NET (C#) and modern JavaScript frameworks (React).
3. Good understanding of software development fundamentals and best practices.
4. Practical experience building and maintaining applications using C#, JavaScript, JSON, XML, ASP.NET MVC / Web API.
5. Experience working with SQL and/or document databases in production environments.
6. Ability to write clean, maintainable code and improve existing solutions.
7. Understanding of how to balance delivery speed with code quality and maintainability.
8. Ability to identify technical issues and propose reasonable solutions with guidance when needed.
9. Experience working in a collaborative, cross-functional team environment.
10. Understanding of the business context behind the features being developed.

11. Upper-Intermediate English or higher.

     

Responsibilities:

• Develop and maintain web applications using .NET (C#) and React, implementing features based on defined requirements and designs.
• Work with SQL and/or document databases to support application functionality.
• Collaborate with Senior Engineers and Solution Architects on small to medium-sized projects and cross-team initiatives.
• Break down assigned tasks and user stories into manageable implementation steps and deliver them on time.
• Write clean, maintainable code and participate in code reviews, incorporating feedback.
• Assist with testing, bug fixing, releases, and production support under guidance.
• Participate in technical discussions, raise questions proactively, and suggest improvements.

• Continuously improve technical skills and contribute to shared codebases and team standards.

   

What you’ll get working with us:

• Short-term hourly-based contract (3–5 months) with a clear scope, transparent expectations, and a possibility of extension based on project needs and performance.
• Opportunity to work on globally adopted, large-scale production products used daily by millions of readers, students, and institutions worldwide.
• High-impact engineering work on mature, business-critical systems — not an MVP or experimental project.
• Collaboration with a strong, cross-functional product team, including experienced backend, frontend, QA engineers, architects, and product stakeholders.
• A middle+ level engineering environment with a strong focus on code quality, architecture, scalability, and long-term maintainability.
• Modern technology stack, automated CI/CD pipelines, cloud infrastructure (Azure & AWS), and engineering best practices.
• Autonomy and ownership: real influence on technical decisions, architecture, and implementation.
• Fully remote work with a distributed, well-organized team.
• Professional, respectful communication and a well-established engineering culture.

• Valuable experience working with well-known US-based digital products that strengthen your professional profile.

   

If we are a match — we are waiting for you! Send your CV!

The role is based in the Kyiv region, and we will expect you to work full-time in the office. We have a shuttle service from the nearest metro station.

About the Job

As a backend lead developer, you will be a key part of our new ground control station team to improve the capabilities and usability of our VTOL systems. You will take an empowering role: pushing the boundaries of drone technologies. You will be working closely with stakeholders from the Flight Control, AI, and System Test departments to improve and extend our ground control station software.

With the software development of features for our ground control station, you’ll support Quantum Systems‘ mission to transform decision-making processes through aerial data intelligence.

What is your Day to Day Mission:

• Design and implementation of features for our new ground control station software
• Participate in maintenance and improvement of existing ground control station software
• Optimization of UI and UX for drone use cases

• Execution of test procedures and flight tests

   

What you bring to the team:

• You have completed a technical university or a comparable background with a finished degree.
• You are highly experienced in application development, ideally with Rust, C++ or C# experience with automated testing or development, and optionally experience in drones, robots, and geoinformation systems.
• You are experienced in setting up development processes to achieve high delivery and maintenance effectiveness.
• You have a high learning ability and an independent way of working, strong programming skills with an interest in software design and quality.
• You have high-level analytical skills, able to design and lead technical decisions to the end goal.
• You have deep understanding on how things should be done vs how they’re usually implemented.
• You are highly self-motivated and drive your area of responsibility independently.
• Due to your open, communicative, friendly, and competent attitude, it is easy for you to be considered as an internal expert by your colleagues.
• Communication in English is a matter of course for you.

Why Quantum-Systems:

• We Stand with Ukraine
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.
• We promise to be your runway for individual and professional growth.

The role is based in the Kyiv region, and we will expect you to work full-time in the office. We have a shuttle service from the nearest metro station.

About the Job

We are seeking a skilled Core Developer (Rust/ C++) for Swarm Robotics & Sensor Control with over 5 years of professional experience to join our dynamic development team. You will play a key role in building and optimizing the core architectures for the real-time control and management of robotic swarms and sensor systems. This position offers the opportunity to work with cutting-edge technologies and contribute to complex, mission-critical systems in a collaborative environment.
 

What is your Day to Day Mission:

• Design, develop, and maintain robust and scalable systems for swarm control and sensor management.
• Implement efficient communication protocols and real-time processing solutions for robotics.
• Collaborate closely with cross-functional teams to integrate backend components with robotics software and sensor networks.
• Optimize system performance, scalability, and reliability in a distributed robotics environment.
• Solve challenging problems using modern programming languages such as C++ and Rust.

• Participate in code reviews, architecture discussions, and software design decisions.

   

What you bring to the team:

• 5+ years of professional experience in backend development with a strong focus on real-time systems.
• Proficiency in Rust and C++, with a solid understanding of modern software development practices.
• Experience in building and optimizing backend architectures for distributed systems.
• Familiarity with network protocols, multithreading, and low-latency data processing.
• Knowledge of system architecture design, performance optimization, and resource management.

• Ability to work independently, solve complex technical problems, and thrive in a fast-paced startup environment.

   

Nice-to-Have:

• Experience in robotics, swarm control, or sensor integration.
• Familiarity with cloud platforms, Docker, or Kubernetes for scalable deployments.

• Understanding of embedded systems or real-time operating environments.

   

Why Quantum-Systems:

• We Stand with Ukraine
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.
• We promise to be your runway for individual and professional growth.

Web Parsers is seeking a skilled Python Developer specializing in web scraping to join our growing team. We offer a collaborative environment, flexible scheduling, and strong opportunities for professional growth. Final-year students with relevant commercial experience are welcome to apply.

Required Skills

• Proficiency in web scraping, data gathering, and data cleaning
• Experience with web automation
• Hands-on work with BeautifulSoup, Selenium, and lxml
• Knowledge of SQL and NoSQL databases
• Ability to deploy scrapers on servers
• Strong self-management and problem-solving skills
• Excellent communication and ability to take ownership of tasks

Core Responsibilities

• Design and implement efficient web scraping and parsing solutions
• Collaborate with project managers to address client needs
• Optimize scrapers to meet performance and reliability requirements
• Continuously learn and adopt new technologies to improve workflows

Preferred Skills (Nice to Have)

• 6+ months of commercial Python experience (applications without experience also considered)
• Familiarity with Nodriver and Camoufox
• Basic JavaScript skills
• Knowledge of mobile app scraping (Android, iOS)
• Experience using Pandas for data manipulation
• Working with CAPTCHA-solving services (2Captcha, AntiCaptcha)
• Understanding of AI prompting concepts

If you’re passionate about data extraction and want to work on challenging projects in a supportive team, we’d love to hear from you. Join Web Parsers and help us push the boundaries of web scraping technology.

Project Overview

We are building production-grade browser automation systems that power complex, real-world workflows in highly constrained environments. As a Senior Software Engineer, you will own and evolve automation that operates in unreliable, changing, and security-restricted browser environments—and must run consistently at scale. 

Responsibilities

This role is not about one-off scripts or basic scraping. You will design resilient, long-running automation workflows that handle partial success, retries, UI changes, and real-world failure modes across external web portals. Your work will directly reduce manual effort and turnaround time by translating complex workflows into durable automation systems that run in production every day. You will collaborate closely with engineering teams to design and operate automation infrastructure that supports critical business processes where modern APIs or integrations are limited or unavailable. Requirements (Must-have) 
- Strong software engineering background with production experience in browser automation
 - Ability to design long-running, fault-tolerant automation workflows - Hands-on experience handling unreliable external systems and changing UIs 
- Comfort owning automation systems end-to-end: design, implementation, monitoring, and debugging
 - 4–6+ years of professional software engineering experience
 - Strong proficiency in Python 
 - Hands-on experience with browser automation frameworks (Playwright, Selenium, Puppeteer)
 - Solid understanding of web technologies (HTML, CSS, JavaScript) and browser developer tools
 - Experience running browser automation in production environments
 - Familiarity with asynchronous programming, background workers, and job queues
 - Experience designing systems with retries, idempotency, and partial failure handling
 - Strong problem-solving skills and comfort working in ambiguous, evolving problem spaces
 - Experience with Git and CI/CD workflows
 - Clear communicator, comfortable working with cross-functional teams

 Nice to Have

 - Experience operating headless browsers or automation workers at scale
 - Familiarity with TypeScript and Node.js for backend services or internal tooling
 - Experience working with complex external portals (e.g., healthcare, insurance, finance)
 - Knowledge of industry data standards (e.g., HL7, FHIR)
 - Experience with cloud platforms (AWS, GCP) and containerization (Docker)
 - Background in building internal platforms, developer tooling, or automation infrastructure 
 

WebParsers is seeking a talented Python Developer specializing in web scraping to join our dynamic team. We offer a collaborative work environment, flexible scheduling, and opportunities for growth. We're open to considering final-year students with relevant commercial experience.
 

Required Skills:

• Minimum 9 months of commercial Python experience
• Proficiency in web scraping, data gathering, and data cleaning
• Web automation expertise
• Hands-on experience with BeautifulSoup, Selenium, and lxml
• Work with SQL and NoSQL databases
• Ability to deploy scrapers on servers
• High self-management skills
• Great communication skills
• Take responsibility for tasks and ensure they are completed independently
   

Core Responsibilities:

• Design and implement efficient web scraping and parsing solutions
• Work closely with project managers to address client needs
• Optimize applications to meet project requirements
• Proactively learn new technologies and improve existing workflows
   

Preferred Skills (Nice to Have):

• Experience with Nodriver
• JavaScript proficiency
• Familiarity with Pandas for data manipulation
• Experience with CAPTCHA-solving services like 2Captcha and AntiCaptcha
• AI prompting knowledge is a plus
   

If you're passionate about data extraction and looking for a challenging role in a supportive environment, we'd love to hear from you. Join WebParsers and help us push the boundaries of web scraping technology!

Our project is a major subscription-based food delivery service in the U.S., headquartered in Chicago. With rapid growth and new challenges ahead, we’re expanding our development team to strengthen our platform and support continued innovation.

Role Description

This is a full-time remote position for a Senior Software Engineer.
The role requires 35 working hours per week (140 hours per month), with flexible scheduling and full integration into our distributed engineering team.

Qualifications

• Strong understanding of core Computer Science concepts and Object-Oriented Programming (OOP)
• Proven experience with PHP, JavaScript, and SQL
• Ability to design and build complex software systems
• 5+ years of experience with Laravel (v5 and above)
• 3+ years of experience with Vue.js (2 & 3) and Nuxt.js (v3)
• Experience maintaining high test coverage and code quality
• Solid grasp of SOLID principles and Agile methodologies
• Proven ability to effectively use modern AI-assisted development tools (e.g., Claude Code, Junie, Cursor, or similar) to improve code quality and delivery speed — not just familiarity, but hands-on, result-driven usage
• Bachelor’s or Master’s degree in Computer Science or a related field
• Strong communication and problem-solving skills
• English proficiency: Advanced

Nice to Have

• Familiarity with Domain-Driven Design (DDD) and Clean/Hexagonal Architecture
• Experience with billing providers (Stripe, Braintree, PayPal)
• Exposure to mobile hybrid applications

About the Platform

Our platform integrates multiple complex systems — including subscription and billing cycles, production (kitchen) operations, product flow, and logistics management.
We also maintain a mobile application and numerous third-party integrations, some with custom contracts and workflows.

Mindset

We’re looking for someone who:

• Takes ownership of their work — from design to delivery — and cares about real outcomes, not just completed tasks
• Is proactive and curious, always looking for better ways to solve problems
• Uses AI-assisted tools and automation to boost productivity and maintain high standards
• Communicates clearly and collaborates effectively in a fully remote, distributed team
• Values transparency, quality, and continuous improvement in both code and processes

What We Offer

• Flexible schedule and a healthy work-life balance
• Competitive compensation
• Fully remote position with a supportive, international team
• An opportunity to work on a high-scale, evolving product used daily by thousands of customers

We are looking for Senior Backend Engineers to implement the core APIs and features for a white-label platform that enables creators to launch branded mobile apps aggregating content from YouTube, Twitch, Instagram, TikTok, Twitter/X, with exclusive content, free messaging, and livestreams.

Duration: 9-12 weeks MVP, with long-term potential (Phase 2+ payments, advanced features).
 

Key responsibilities:

• Build REST APIs for social feed aggregation/normalization (5 platforms → unified JSON), content CRUD (S3 secure upload, thumbnails, scheduling), free WebSocket messaging (text/image/voice notes, delivery/read receipts), Firebase push notifications (deep links), livestream URL/status management (YouTube/Twitch APIs).
• Implement background workers: hourly social sync, analytics aggregation (subscriber growth, content engagement, DM stats), AWS Rekognition moderation queue, media processing callbacks.
• Design PostgreSQL schemas for multi-tenant data (creator isolation), Redis for caching/pubsub.
• Write clean, testable code with unit/integration tests, contribute to OpenAPI 3.0 documentation.
   

Requirements:

• 4+ years Node.js/NestJS TypeScript production experience, REST API design.
• Hands-on with social media APIs (YouTube Data API, Twitch Helix, etc.), OAuth flows.
• WebSocket real-time experience (chat/messaging), AWS S3 media handling.
• PostgreSQL + ORMs, Redis caching/pubsub, job queues (Bull/Agenda/BullMQ).
• Docker basics, Git workflow.
• English B1+ (code reviews, docs, team syncs).
   

Nice to have:

• Firebase FCM push notifications.
• Background processing at scale, OpenAPI specs.
• Esports/media platforms, real-time systems experience.

What we offer:

• Real App Store product impact — platform powers creators' fan apps
• Modern stack: Node.js/NestJS → PostgreSQL/Redis → AWS S3/ECS → Firebase
• Senior team context: Tech Lead Architect, 2nd Backend, Frontend, DevOps (AWS cert), QA, PM
• Long-term roadmap after MVP (Phase 2 payments/subscriptions, native livestream)
• Remote/hybrid (Ivano-Frankivsk), flexible hours
   

Technical challenges you'll own:

• 5 social APIs → unified feed (hourly background sync, caching strategy)
• Production WebSocket messaging (delivery guarantees, read receipts)
• Multi-tenant content isolation (creator data separation)
   

Let's build the next-generation creator platform together! 🚀

Evoplay — is an IT company that has been building a B2B ecosystem of products and services for the online gaming industry for over 10 years, including gaming platforms, marketing solutions, and analytical tools.
 

Tech stack: PHP 8, Laravel 11, MySQL 8, ClickHouse, MongoDB, Memcached, Gearman, Docker, Vue 3
 

Requirements:

• 4+ years of experience with PHP
• 2+ years of experience with PostgreSQL/MySQL
• Experience working with high-load systems
• Experience working with Git and solid knowledge of Linux OS (Debian/Ubuntu)
   

Nice to have:

• Experience with Laravel
• Experience with NoSQL systems (MongoDB), Docker
   

Responsibilities:

• Development and maintenance of a subsystem for traffic quality assessment and fraud detection
• Implementation of various tasks (query optimization, layout of settings and monitoring pages)
• Development of the main web service
   

We offer:

• 20 paid vacation days per year
• 22 sick leave days
• Medical insurance
• Discount program
• Courses and self-learning library
• Internal rotation program
• Flexible working hours (start between 8:00 and 11:00)
• Remote or office work options
• Group and individual sessions with a psychologist

We are looking for a Tech Lead / Backend Architect to design and guide the implementation of a white‑label platform that enables creators (streamers, bloggers, influencers) to launch their own branded mobile apps for their communities. The platform aggregates content from major social networks and adds messaging, livestreams, and management dashboards.
 

You will own the technical architecture, lead key implementation decisions, and work hands‑on on the most critical backend components. You will closely collaborate with the project manager, product stakeholders, and a small senior engineering team.

Duration: 9-12 weeks, potential extension.
 

Key responsibilities:

• Design the overall backend architecture (multi‑tenant model, security, scalability, API boundaries).
• Define technical approach for integrations with YouTube, Twitch, Instagram, TikTok, X/Twitter, etc.
• Lead implementation of core modules: authentication/authorization, configuration, content, messaging, notifications, moderation, and analytics.
• Establish coding standards, review pull requests, mentor backend and frontend developers.
• Collaborate with DevOps on infrastructure, deployment and monitoring strategy.
• Assess technical risks, propose mitigations, and ensure the MVP is production‑ready.
   

Requirements:

• 5+ years of backend development experience, with at least 2+ years in a lead/architect role.
• Strong expertise with Node.js, TypeScript and NestJS.
• Solid understanding of distributed systems, multi‑tenant architectures and security best practices.
• Experience integrating with third‑party APIs at scale (ideally social media or similar platforms).
• Good knowledge of relational databases (PostgreSQL), caching (Redis), and message/queue systems.
• Experience working with cloud infrastructure (preferably AWS) in production environments.
• Upper‑Intermediate English (ability to lead technical discussions with international stakeholders).
   

Nice to have:

• Experience with real‑time systems (WebSockets, live chat, streaming features).
• Knowledge of GDPR and data protection practices for consumer products.

• Previous work on creator‑focused, subscription, or media platforms.

   

  What we offer:

• Focused 3-month MVP sprint with experienced senior team (2 Backend, Frontend, DevOps, QA, PM)
• Cutting-edge stack: Node.js/NestJS TS, PostgreSQL/Redis, AWS ECS/EKS, React/Next.js
• Real product impact — a platform that launches in App Store for creators' fans
• Long-term potential after MVP (Phase 2+ payments, advanced features per roadmap)

• Remote work, flexible hours, timely payments via contract
   

  We're excited to build something creators will love — let's talk technical vision! 🚀

We are looking for C# developer for our music software

( work in Lviv or Kyiv,

remote work possibility ):

www.MusConv.com

About the project:

MusConv is b2c music software which helps people synchronize their music between music services: Spotify, Apple Music, YouTube Music, Amazon Music, Tidal and others.

We offer:

Challenging interesting project

Professional growth and development program

Flexible schedule

Team of highly talented individuals

Access to developer courses like https://www.pluralsight.com

Mentor: code reviews, studying( fiddler, postman, asynchronous programming, etc.)

5% of sources is simple gui based on xaml( avalonia similar to wpf )

95% of sources is regular .net standard( backend to interact with different music services )

We are looking for C# developer to implement new features