Jobs Developers

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

This position is with a US-based software company providing custom development and AI implementation for North American clients. The team builds and maintains production software, including AI-enabled systems, and works in long-term client engagements.

Team members operate as part of an internal, distributed team and collaborate directly with client stakeholders.

What we’re looking for:

• Proven experience as a WordPress Developer, with a portfolio of previous projects.
• Proficiency in WordPress theme and plugin development.
• Strong knowledge of PHP, HTML, CSS, and JavaScript.
• Familiarity with responsive design principles.
• Experience working with MySQL or other relational databases.
• Understanding of web standards and optimization techniques.
• Good English communication skills (B1+ level).
• Ability to work collaboratively in a team environment.
• Excellent problem-solving and debugging skills.

• Strong attention to detail and the ability to meet project deadlines.

   

What you’ll be doing:

• Collaborate with design and development teams to create and maintain WordPress websites and applications.
• Customize WordPress themes and plugins to meet client requirements.
• Develop custom functionalities and features using PHP, HTML, CSS, and JavaScript.
• Ensure the security, performance, and scalability of WordPress sites.
• Troubleshoot and debug WordPress-related issues.
• Stay up to date with the latest industry trends and best practices in WordPress development.
   

What We Offer:

• Working hours aligned with US time zones, typically 16:00–00:00 Kyiv time.
• English lessons to support clear and confident communication.
• Paid vacation and sick days.
• Fully remote work.
• Opportunities for professional growth within the team.
• Structured, personalized onboarding to help you ramp up effectively.
   

Apply with your resume and a short note outlining your relevant experience. You can also submit it through our website at comeback.ua. Selected candidates will be contacted by Come Back Agency.

Learned JavaScript and React and looking for a job?

We offer you a free 3-month internship at our company, where you will gain experience and the position of Junior React Developer.

Requirements:

- Medium level of knowledge of JavaScript

- Medium level of knowledge of React

- English: upper-intermediate ( speak/read/write)

How to become an intern?

A person who wants to become an intern in our company must have a medium level of theoretical knowledge of JavaScript and React, as well as the availability of term papers or projects that were developed at home for training purposes.

Only for ukrainians

SBC Performance drives scalable growth for brands ready to expand globally.

Working across eCommerce, health & wellness, education, and entertainment, our team helps brands acquire customers faster and scale across 26+ global markets. We combine data-driven paid media, performance creative, and advanced analytics to turn marketing into a predictable revenue engine.

Trusted by 200+ companies, managing $150M+ in ad spend.

Scale faster. Grow smarter.

Now, we’re looking for a Full Stack Engineer to join our AdTech product team. Someone passionate about building scalable, data-driven systems that power performance marketing automation and analytics.

Key Responsibilities:

• Design, build, and maintain frontend and backend services for the internal AdTech platform.
• Develop Angular (v12+) applications with TypeScript, using reactive patterns (RxJS, Angular Material, reactive forms).
• Implement and optimize state management and change detection for high-performance UI.
• Build and maintain Node.js microservices with TypeScript and RESTful APIs.
• Work with PostgreSQL (TypeORM) and Firestore (NoSQL) for data modeling and storage.
• Implement asynchronous patterns, error handling, and background data processing.
• Integrate with Google Cloud Platform (GCP): Cloud Functions, Firestore, Cloud Storage, and Secret Manager.
• Utilize Redis caching, message queues (RabbitMQ / Pub/Sub), and efficient pagination/filtering for large datasets.
• Collaborate with product, analytics, and QA teams to deliver robust, scalable AdTech solutions.

Requirements:

• 3+ years of experience as a Full Stack Engineer
• Experience with Node.js, Angular (v12+), and TypeScript in production environments
• Strong knowledge of RxJS, Angular Material, and reactive forms
• Experience with state management and change detection optimization
• Experience with microservices architecture and RESTful APIs
• Proficiency with PostgreSQL (TypeORM) and Firestore (NoSQL)
• Understanding of asynchronous patterns and error handling
• Experience deploying and managing Cloud Functions (triggers, logs, monitoring)
• Knowledge of Firestore queries, indexing, and data modeling
• Familiarity with Cloud Storage and Secret Manager
• Docker basics for local development and testing
• Experience with message queues (RabbitMQ or Pub/Sub)
• Redis caching and session management
• Handling large datasets (pagination, filtering, sorting)

Nice to Have

• Experience with ad platform APIs (TikTok Business API, Facebook Graph API, Google Ads API)
• Working knowledge of BigQuery for analytics and data aggregation
• Experience building worker pools and parallel processing pipelines
• Familiarity with CI/CD pipelines and deployment automation
• Understanding of AdTech concepts — campaigns, budgets, pixels, conversions
• Experience with high-volume, real-time data systems

What We Offer

• Hybrid job in Prague/Warsaw or remote
• Competitive compensation
• Flexible working hours: we start our operation day between 9:00 — 11:00 CET
• All necessary equipment
• Paid vacation and sick leaves
• Educational support: reimbursement of certification, training, and a knowledge-sharing atmosphere
• Company events and multiple internal activities
• Open feedback and transparent direct communication

Privacy Notice: https://sbc-performance.com/notice-privacy-for-recruitment/

About Us

Our team consists of like-minded and motivated professionals passionate about photography, photo editing, and innovations. TouchRetouch is our most well-known app, trusted by millions of photographers worldwide.
We are passionate about innovation and excellence, and we are looking for a Strong Middle / Senior iOS Developer to join our team and help us maintain the highest standards of quality in our mobile apps.

Job Description

As a Strong Middle / Senior iOS Developer at ADVA Soft, you will take ownership of key parts of our iOS applications and actively contribute to architectural decisions, performance optimization, and feature development.
You will collaborate with designers, product managers, and developers to deliver pixel-perfect, high-performance apps that delight our users.
You’ll also have the opportunity to mentor less experienced teammates and help shape the technical direction of our projects.

Key Responsibilities

• Design and implement complex features with a focus on performance, scalability, and clean architecture.
• Participate in defining architecture and choosing the best patterns and frameworks for new and existing products.
• Collaborate with designers to translate UX/UI ideas into functional and visually appealing interfaces.
• Optimize performance and ensure high stability and reliability of existing applications.
• Conduct code reviews, mentor junior developers, and enforce best coding practices across the team.
• Participate in sprint planning and provide accurate time estimations for development tasks.
• Integrate and maintain analytics, attribution, and subscription frameworks such as RevenueCat, AppsFlyer, and Amplitude.

• Stay up-to-date with the latest iOS technologies, trends, and tools to continuously improve development processes.

   

Qualifications

• 3+ years of professional iOS development experience.
• Strong proficiency in Swift and Objective-C (including experience with mixed Swift/Obj-C projects).
• Solid understanding of UIKit.
• Deep knowledge of iOS frameworks, multithreading, memory management, and performance optimization.
• Proven experience implementing clean architectures (MVVM, VIPER, Clean Swift, etc.).
• Hands-on experience with RevenueCat, AppsFlyer, and Amplitude.
• Understanding of asynchronous programming.
• Strong understanding of UIViewController/UIView lifecycle, Auto Layout, Animations, and adaptive UI for iPhone/iPad.
• Familiarity with Gitflow and collaborative team workflows.
• Experience integrating in-app purchases, push notifications. 

• Intermediate+ English for effective communication and documentation.

   

   

Would Be a Plus

• Experience working with C++ classes to exchange data with the core part of the application (bridging between C++ and Swift/Objective-C layers).
• Experience with Combine or Swift Concurrency (async/await).
• Familiarity with Agile/Scrum methodologies.
• Understanding of UI/UX principles and ability to collaborate closely with designers.
• Bachelor’s degree in Computer Science, Information Technology, or related field.

• Previous experience mentoring or leading small teams.

   

What We Offer

• Flexible working hours and remote work options.
• Comfortable, fully equipped office in Lviv, Ukraine.
• Opportunity to work on high-impact, globally recognized products like TouchRetouch.
• Collaborative and inclusive team culture focused on innovation and quality.
• Paid medical leaves and 28 paid vacation days per year.
• Continuous professional growth through code reviews, internal knowledge sharing, and collaboration with experienced engineers.

MTicket is building a production AI runtime on top of a real ticketing and live events business.
This is not a chatbot wrapper, not a demo, and not a pet project.
Our systems operate around real-world workflows: ticket sales, payments, stadium shows, scanners, live event operations, approvals, and time-sensitive business processes.
We are looking for a strong Senior Python Backend Engineer who can build reliable AI-powered infrastructure in production.

 

What you’ll build

You’ll work on the core AI runtime layer, including:
 

• Async AI workers and orchestration runtime
• Event-driven pipelines and queue processing
• LLM integrations with OpenAI / Anthropic
• LLM proxy layer and structured output validation
• Retries, timeouts, DLQ and failure handling
• RAG pipelines, pgvector and vector search
• Approval flows and human-in-the-loop workflows

• Observability, tracing and production debugging

   

Tech stack

Python, FastAPI, LangGraph / LangChain or similar orchestration runtimes, OpenAI / Anthropic, PostgreSQL, pgvector, Kafka / SQS / RabbitMQ / Redis, OpenTelemetry, AWS, Docker.

 

Must have

• Senior-level production Python experience
• Strong FastAPI and async Python skills
• Experience with event-driven systems: queues, workers, retries, DLQ
• Solid PostgreSQL experience
• API integrations in production
• Production debugging experience
• Understanding of observability, tracing and monitoring
• Ability to own complex backend systems end-to-end

• Ukrainian or Russian language proficiency at C1 level.

   

Strong plus

• LLM pipelines in production
• LangGraph, LangChain or other orchestration runtimes
• RAG, embeddings, pgvector or vector search
• OpenTelemetry
• Structured outputs and JSON schema validation
• Kafka, SQS or RabbitMQ

• Experience with payments, ticketing, marketplaces, live events or operational workflows

   

First 90 days

In your first 90 days, you will:
 

• Build async worker infrastructure
• Implement the orchestrator runtime
• Integrate the LLM proxy layer
• Build validation pipelines
• Connect telemetry, tracing and observability

• Ship the first operational AI workflows into production

   

What you’ll get

• Architectural ownership from day one
• Real production AI systems, not demos
• Direct impact on AI runtime architecture
• Strong engineering culture
• Fast decision-making and close collaboration with leadership

• Remote work from anywhere 

   

This role is a great fit for an engineer who wants to build real AI infrastructure: queues, workers, orchestration, observability, validation, production reliability and systems that directly affect live business operations.

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

Employer information:

This position is with a US-based software company providing custom development and AI implementation for North American clients. The team builds and maintains production software, including AI-enabled systems, and works in long-term client engagements.

Team members operate as part of an internal, distributed team and collaborate directly with client stakeholders.
 

About the role:

We are looking for a Flutter Developer to join our distributed team and work on mobile applications for iOS and Android.

You will be part of a long-term client engagement, building and maintaining production mobile apps alongside design, product, and backend teams. The work is fully remote, with hours aligned to US time zones.
 

What you will do:

• Develop, test, and maintain mobile applications using Flutter for both iOS and Android platforms
• Collaborate with the design and product teams to translate UI/UX designs into functional and user-friendly applications
• Optimize the performance, scalability, and reliability of the app
• Troubleshoot and debug issues, ensuring applications run smoothly
• Write clean, well-structured, and maintainable code following best practices
• Stay up-to-date with the latest Flutter and mobile development trends, libraries, and tools
• Integrate RESTful APIs and work with backend teams to connect applications to server-side data

What we are looking for:

• 1+ years of commercial experience with Flutter and Dart
• English level B1 or higher.
• Solid understanding of Flutter architecture and mobile application development principles
• Experience building and maintaining applications for both iOS and Android
• Knowledge of state management patterns, preferably Bloc / Cubit
• Experience working with REST APIs using Dio
• Experience with auto_route for navigation and route management
• Experience with Firebase services such as Authentication, Crashlytics, Analytics, and Remote Config
• Familiarity with local storage solutions (SQLite, Hive, SharedPreferences)
• Understanding of Clean Architecture and layered project structure
• Experience with Git and collaborative development workflows
• Ability to write clean, readable, and maintainable code
• Strong problem-solving skills and attention to detail
• Good communication skills and ability to work in a team

Nice to have:

• Experience with Drift or Hive
• Experience with Freezed and json_serializable
• Experience with dependency injection using GetIt and injectable
• Experience writing unit, widget, and integration tests
• Familiarity with CI/CD pipelines using GitHub Actions, Bitrise, or similar tools
• Experience publishing apps to the Apple App Store and Google Play Store
• Experience with push notifications using Firebase Cloud Messaging
• Familiarity with Agile/Scrum development processes
• Basic knowledge of Swift or Kotlin
• Experience with Flutter Web is a plus

Hiring stages: Recruiter screening → Technical interview → Live coding session
 

What We Offer:

• Working hours aligned with US time zones, typically 16:00–00:00 Kyiv time
• English lessons to support clear and confident communication
• Paid vacation and sick days
• Fully remote work
• Opportunities for professional growth within the team
• Structured, personalized onboarding to help you ramp up effectively
   

Apply with your resume and a short note outlining your relevant experience. You can also send your resume through our website at comeback.ua. Selected candidates will be contacted by the Come Back Agency.

N-iX is looking for Senior D365 Functional Consultant to join the team

About the Client:
Our client delivers comprehensive operational support and expert services to leading insurers, brokers, fleet managers, and automotive manufacturers. As part of their digital transformation strategy, they are building a B2B e-commerce platform connecting car workshops with spare parts suppliers — serving as a core operational layer within the automotive claims and repair ecosystem. The platform processes high volumes of commercial transactions with a focus on efficiency, scalability across multiple markets, and seamless integration with Microsoft Dynamics 365 Finance as the central accounting ledger.

 

Short Role Description:
We are seeking an accomplished and proactive Senior D365 Finance Functional Consultant to drive the implementation of Microsoft Dynamics 365 Finance for a greenfield B2B e-commerce platform. You will bridge business stakeholders and technical teams, translating complex commercial and accounting requirements into scalable D365 Finance configurations — with a particular focus on multi-legal entity setup, integration design, and supporting a modern cloud-native architecture.

Key Responsibilities:

• Engage with key business stakeholders to elicit, analyze, and document business requirements, translating them into efficient and scalable D365 Finance solutions.
• Lead discovery sessions and workshops to identify process improvements and provide best-practice guidance for D365 Finance applications.
• Map business processes and conduct fit-gap analysis to recommend configuration, customisation, and integration strategies — with particular attention to multi-legal entity setup and cross-market accounting requirements.
• Design and specify D365 data entities and OData endpoints to support integration with external platforms, working closely with architects and .NET engineers to align on message contracts and API behaviour.
• Collaborate with architects, developers, and system integrators to deliver end-to-end solutions encompassing configuration, data migration, reporting, and user acceptance testing.
• Prepare functional specification documents, integration design documentation, system design documentation, and user manuals.
• Oversee solution design, configuration, deployment, and post-go-live support to ensure seamless operation and optimal adoption.
• Train and mentor business users and junior consultants, ensuring knowledge transfer and high user satisfaction.
• Identify project risks, propose mitigation strategies, and support change management initiatives.
• Actively monitor the Microsoft D365 product roadmap and industry trends to recommend continuous improvements and ensure the client maximises the platform's capabilities.
• Manage multiple priorities and coordinate dependencies with cross-functional teams and external vendors.

Requirements:

• 5+ years of hands-on experience implementing Microsoft Dynamics 365 Finance (F&O) as a Functional Consultant — CE/CRM experience is not a substitute.
• Deep knowledge of D365 Finance core modules — General Ledger, Accounts Receivable, Accounts Payable, Cash and Bank Management, and multi-legal entity configuration.
• Proven experience configuring and designing D365 data entities and OData endpoints to support external system integrations — familiarity with Azure Service Bus as a messaging layer between D365 and external platforms is a strong advantage.
  Experience with multi-legal entity, multi-currency, and multi-country D365 Finance implementations — essential given the platform's multi-market deployment model.
  Strong business analysis and process reengineering skills within B2B commerce, supply chain, automotive aftermarket, or financial services.
• Proven ability to lead requirements gathering, fit-gap analysis, and functional solution design.
  Experience integrating D365 Finance with third-party systems via OData REST APIs — required, not optional.
• Familiarity with modern D365 environment management and deployment practices.
• Excellent communication and stakeholder management — able to translate D365 Finance concepts to non-technical product and engineering audiences.
• Demonstrated success delivering end-to-end D365 Finance implementations including post-go-live support.
• Microsoft certifications MB-300 and MB-310 required — MB-340 desirable.
• Strong English proficiency (Upper-Intermediate/Advanced level).

• Luxoft, a DXC Technology Company, is a digital transformation services and software engineering firm providing bespoke IT solutions that drive business change. In financial services we deliver complex projects with highly skilled engineering talents. If you would like to help us build engineering solutions that make difference for our global financial industry clients, this may be your opportunity. We are looking for C# engineers with experience in scalable system designs, to join the team developing a firm-wide Risk platform for our client US multinational investment bank. Working in this project will let you:
  - learn more about financial markets, products and risks.
  - verify and grow your skills in global diverse team.
   

• Responsibilities:

  - Design and develop software components for Equity Risk Platform built on C# and C++
  - Coordinate efforts with local developers and wider global team.
  - Do scalability and performance optimizations.
  - Manage the software development life cycle, from planning and prioritizing to testing and release.
  - Review, test and debug team members' code
  - Document development phases
  - Identify and analyze user requirements.
  - Selection of the most suitable solutions for creating a product
  - Compliance with deadlines

   

• Mandatory Skills Description:

  - 5-6+ years of hands-on experience using .Net technology stack and providing high-quality solutions after graduating from university (Bachelor's or Master's degree).
  - Solid core .Net, multithreading, concurrency, design patterns.
  - Experience with SQL
  - Ability to apply modern security protocols and best practices.
  - Good delegation and time management skills
  - Problem-solving abilities
  - The ability to prove their point of view to the customer.
  - Excellent communication skills

   

• Nice-to-Have Skills Description:

  - C++ knowledge
  - Investment Banking experience

   

• Languages:
  • English: B2 Upper Intermediate

Domain: Banking & Finance
Experience: 6+ years
Project Duration: June 1, 2026 – December 31, 2026
Format: Hybrid
Location: Kraków, Poland

About the Project

We are looking for a Backend Software Engineer / Java Developer to join a team building modern enterprise-scale digital solutions for an international financial services company.

This role is a great fit for someone who enjoys hands-on backend development, designing scalable APIs, and working in a fast-paced international engineering environment.

Responsibilities

• Develop, maintain, and enhance backend applications using Java
• Design and support scalable REST APIs and microservices
• Collaborate with product owners, architects, and developers to deliver new features and improvements
• Contribute to the design of secure, reliable, and high-performing systems
• Work within Agile teams and participate in CI/CD-driven delivery processes
• Perform code reviews and contribute to automated testing practices
• Support production environments and troubleshoot issues when necessary
• Drive improvements in development standards, tooling, and code quality

Requirements

• Strong commercial experience with Java (8, 11, or 17+)
• Solid expertise with Spring and Spring Boot
• Hands-on experience building RESTful services and microservices-based systems
• Experience with SQL databases such as PostgreSQL or Oracle
• Familiarity with Git, CI/CD pipelines, and build tools like Maven or Gradle
• Experience working in Agile or DevOps environments
• Strong English communication skills

Nice to Have

• Experience with cloud platforms such as AWS, GCP, or Azure
• Knowledge of Docker and Kubernetes
• Familiarity with messaging and event-streaming technologies such as Kafka or MQ
• Previous experience in banking, financial services, or other regulated industries

Tech Stack

• Java
• Spring / Spring Boot
• REST APIs
• SQL
• PostgreSQL
• Oracle
• Git
• CI/CD
• Maven / Gradle

Nice to Have Technologies

• Cloud platforms
• Docker
• Kubernetes
• Kafka
• MQ

Location

• Hybrid from Kraków, Poland
• Important: the client requires office visits in Kraków approximately 6 times per month

Recruitment Process

• Technical interview with an external partner
• 1.5-hour technical interview with the end client
• Cultural fit interview

PwC is a global network of more than 370,000 professionals in 149 countries that turns challenges into opportunities. We create innovative solutions in audit, consulting, tax and technology, combining knowledge from all over the world.

PwC SDC Lviv, opened in 2018, is part of this global space. It is a place where technology is combined with team spirit, and ambitious ideas find their embodiment in real projects for Central and Eastern Europe.

What do we guarantee?

• Work format: Remote or in a comfortable office in Lviv - you choose.
• Development: Personal development plan, mentoring, English and Polish language courses.
• Stability: Official employment from day one, annual review of salary and career prospects.
• Corporate culture: Events that unite the team and a space where everyone can be themselves.

We are looking for a C# Developer (Mid/Senior) with strong experience in developing WPF-based desktop applications using C#. The role focuses on building tools for data processing and transformation, including importing, validating, converting, and exporting datasets in various formats. The candidate should be able to work independently based on provided specifications, while also collaborating with a remote team.

Main Responsibilities:

• Develop and maintain WPF desktop applications written in C#;
• Create tools for data processing and transformation, including import, validation, conversion, and export of datasets;
• Implement solutions based on provided technical specifications with minimal supervision;
• Perform code development, testing, and self-review to ensure high quality and reliability;
• Participate in technical discussions to clarify requirements and implementation details;
• Collaborate with team members and a project buddy as part of a remote team;
• Follow internal development standards and onboarding guidance provided by colleagues from Poland.

Key Requirements:

• Solid experience in C# development, with a strong focus on WPF desktop applications;
• Practical experience with data processing workflows (importing, validating, transforming, exporting data);
• Ability to work independently and take ownership of assigned tasks;
• Experience with testing and self-checking code results;
• Comfortable working in a remote team environment and participating in technical discussions;
• Team-oriented mindset, with readiness to collaborate and communicate effectively.

Policy statements:
https://www.pwc.com/ua/uk/about/privacy.html

At the moment, we are looking for a Middle Frontend Engineer ($$2000-3000).
Please note that this is a full-time on-site position in our Lviv office.

Position Requirements

• Bachelor’s degree in Computer Science, Applied Mathematics, or related field, or equivalent experience.
• 2-4 years of frontend development experience with JavaScript and TypeScript.
• Strong understanding of HTML5 Canvas and WebGL rendering pipelines.
• Experience with CreateJS or similar 2D rendering frameworks.
• Familiarity with XState or other state machine libraries for managing complex application states.
• Understanding of sprite sheets, texture atlases, and asset loading/management pipelines.
• Knowledge of Web Audio API or audio libraries for interactive applications.
• Experience with performance optimization: memory management, GPU profiling, achieving stable 60fps on mobile devices.
• Familiarity with module bundlers (Webpack, Vite, or Rollup).
• Mobile-first and responsive design experience, especially portrait-mode layouts.
• Proficiency in writing unit tests (Jest, Vitest, or similar).
• Strong version control skills with Git.
• Understanding of CI/CD pipelines and automated build processes is a plus.
• Good problem-solving and communication skills.
  
   

Responsibilities

• Develop and maintain high-performance interactive frontend applications using TypeScript, CreateJS, and HTML5 Canvas.
• Implement complex UI animations, transitions, and visual effects using canvas-based rendering.
• Manage application state using XState for predictable, testable state transitions.
• Build and optimize asset loading pipelines (sprite sheets, texture atlases, audio assets).
• Ensure smooth 60fps performance across a wide range of mobile devices, including low-end Android.
• Implement responsive, mobile-first layouts with portrait-mode as primary orientation.
• Write unit and integration tests for application logic and state machines.
• Profile and optimize memory usage, GPU utilization, and rendering performance.
• Collaborate with designers and artists to implement visual specifications with pixel-perfect accuracy.
• Collaborate with backend engineers to integrate frontend with REST/WebSocket APIs.
• Participate in code reviews and apply feedback constructively.
• Document implemented features, rendering pipelines, and performance benchmarks.
• Follow established development workflows and coding standards.

We offer

• Flexible working hours and remote/hybrid work options
• 25 days off per year + official holidays off
• Military reservist deferment
• English lessons compensation
• Medical compensation
• Professional Development Budget
• Tech Equipment Allowance
• Cozy office and free snacks
• Team Building and Social Events

If you’re passionate about creating, breaking boundaries, and shaping the future of digital entertainment — you’re one of us. Join our team of talented professionals where your expertise will be valued, your growth supported, and your contributions recognized. Don’t miss the opportunity to be part of an innovative company with a culture that fosters both personal and professional development.

Send us your resume today and let’s build the future together!

We’re looking for a Senior Backend (Python) Engineer to join our team. 

Work Location: Poland (Krakow), Slovakia (Kosice) or Czechia (Prague). 

Hybrid: 2+ days per week in the office, the rest remote.

The Mission

We are building a complex, real-time ecosystem for micromobility and logistics systems sim—where split-second logistics meet seamless user experiences. We need a Senior Backend (Python) Engineer powerhouse to lead the development of our Customer Mobile Web App and our high-utility Internal Admin Panels.

You’ll be the bridge between the sleek, high-performance interface our users see and the robust, scalable Python services that power the logic.

Key Responsibilities

• Mobile-First Frontend: Architect and scale our React-based mobile web application, ensuring 60fps performance and offline-first capabilities.
• Operational Control Centers: Build dense, data-heavy Admin Panels that allow our operations team to monitor real-time logistics, manage users, and handle complex dispatching.
• Scalable Backend: Design and maintain performant APIs using Python (FastAPI/Django) to handle high-concurrency event streams.

• End-to-End Ownership: From database schema design to CSS transitions, you’ll own the entire feature lifecycle.

   

Who You Are

• The Architect: You don't just "write code"; you design systems. You understand how a change in a Python microservice ripples out to the React frontend.
• UX Enthusiast: You understand that an Admin Panel requires different UX "muscle" (efficiency and density) than a mobile app (simplicity and speed).
• Problem Solver: You’ve dealt with the "hard stuff"—real-time GPS tracking, race conditions in booking logic, or complex state management.
• Pragmatist: You balance the need for clean, tested code with the reality of shipping features in a fast-paced environment.

Will be plus Led transformation of standalone product into scalable SaaS platform.

Why Join Us?

Work on a product with immediate, real-world impact.

A "no-red-tape" environment where your architectural decisions stick.

Layer Technology

Frontend - React Native Expo, Styled Components, Mobx/Redux, WebSockets. Experience with Firebase, Expo SDK, Expo Modules.

Backend-  Python (FastAPI / Django / Flask)

Database - PostgreSQL, Redis (for real-time caching)

Infrastructure - AWS/GCP, Docker, Kubernetes

Real-time-  WebSockets / Socket.io (for "Uber-style" live tracking)

Requirements & Skills - 

• Proven experience in Python and backend development using FastAPI, Django, or Flask.
• Strong understanding of geospatial data structures (GeoJSON, latitude/longitude).
• Understand principles of cloud native development
• Usage of docker for development environment
• Familiar with Kubernetes (application lifecycle and environment)
• Familiar with Helm charts (their maintenance and usage)
• Familiar with ArgoCD, Grafana, Github
• Nice to have - familiarity with helmfile

Required Skills

• 5+ years of experience with Python, primarily in backend development
• Python: Advanced
• FastAPI / Django / Flask

Language Skills

English: Upper intermediate (B2)

We offer

• Challenging and rewarding tasks with autonomy in a distributed international team
• Motivated colleagues who foster a collaborative environment
• Competitive salary based on your experience and expertise
• 20 vacation days + state holidays + your birthday off (for full-time employees)
• Sick leave coverage (5 days for full-time employees)
• Opportunities for regular business trips abroad

We’re looking for a Senior Front-End Engineer to join our team. 

Work Location: Poland (Krakow), Slovakia (Kosice) or Czechia (Prague). 

Hybrid: 2+ days per week in the office, the rest remote.

The Mission

We are building a complex, real-time ecosystem for micromobility and logistics systems sim—where split-second logistics meet seamless user experiences. We need a Front-End powerhouse to lead the development of our Customer Mobile Web App and our high-utility Internal Admin Panels.

You’ll be the bridge between the sleek, high-performance interface our users see and the robust, scalable Python services that power the logic.

• Mobile-First Frontend: Architect and scale our React-based mobile web application, ensuring 60fps performance and offline-first capabilities.
• Operational Control Centers: Build dense, data-heavy Admin Panels that allow our operations team to monitor real-time logistics, manage users, and handle complex dispatching.
• Scalable Backend: Design and maintain performant APIs using Python (FastAPI/Django) to handle high-concurrency event streams.
• End-to-End Ownership: From database schema design to CSS transitions, you’ll own the entire feature lifecycle.

Who You Are

• The Architect: You don't just "write code"; you design systems. You understand how a change in a Python microservice ripples out to the React frontend.
• UX Enthusiast: You understand that an Admin Panel requires different UX "muscle" (efficiency and density) than a mobile app (simplicity and speed).
• Problem Solver: You’ve dealt with the "hard stuff"—real-time GPS tracking, race conditions in booking logic, or complex state management.
• Pragmatist: You balance the need for clean, tested code with the reality of shipping features in a fast-paced environment.

Will be a plus Led transformation of standalone product into scalable SaaS platform.

Why Join Us?

Work on a product with immediate, real-world impact.

A "no-red-tape" environment where your architectural decisions stick.

Layer Technology

Frontend - React Native Expo, Styled Components, Mobx/Redux, WebSockets. Experience with Firebase, Expo SDK, Expo Modules.

Backend - Python (FastAPI / Django / Flask)

Database - PostgreSQL, Redis (for real-time caching)

Infrastructure - AWS/GCP, Docker, Kubernetes

Real-time - WebSockets / Socket.io (for "Uber-style" live tracking)

Requirements & Skills - Senior Front-End Engineer

What We’re Looking For:

• 4+ years of commercial experience with React Native (Expo)
• Advanced proficiency in React Native Expo.
• Expert-level TypeScript experience with advanced types and strict configurations;
• Deep knowledge of React 18+ fundamentals: hooks, context, memoization, rendering performance.
• Strong knowledge of state management tools (Redux, MobX, Zustand, etc.);
• Experience building map-based UI: react-native-maps / MapView, markers, polylines/routes, camera control, clustering.
• Strong UI implementation skills: different screen sizes, accessibility basics.
• Hands-on experience with GPS / background location tracking
• Expertise in navigation: React Navigation (deep linking, nested navigators, modal flows).
• API integration: REST/GraphQL consumption, request caching, pagination, retries, error handling.
• Handling auth flows (JWT/OAuth), token refresh, secure storage patterns (Keychain/Keystore concepts).
   

Core responsibilities: 

• Full end-to-end ownership of the mobile app (iOS & Android)
• App maintenance, releases, production stability & incident handling
• GPS / geolocation + live tracking
• REST API + real-time event integration
• Performance, reliability, and architecture improvements
• Ability to understand business requirements and translate them into technical requirements.

Required Skills

• React Native Expo, Styled Components, Mobx/Redux, WebSockets. 
• Experience with Firebase.
• Expo SDK 52+, Expo Modules

Language Skills

English: Upper intermediate (B2)

We offer:

• Challenging and rewarding tasks with autonomy in a distributed international team
• Motivated colleagues who foster a collaborative environment
• Competitive salary based on your experience and expertise
• 20 vacation days + state holidays + your birthday off (for full-time employees)
• Sick leave coverage (5 days for full-time employees)
• Opportunities for regular business trips abroad

Viso is growing, and we’re looking for a proactive Laravel Developer to join a new project for a Canadian client in the automotive industry.

You’ll become part of a small international team working on a CRM platform for car dealerships. We’re looking for someone who can take ownership, communicate openly, and move fast with well-defined tasks.

🧠 Who we’re looking for

Hard Skills:

• 1+ years of commercial experience with Laravel/PHP, including strong knowledge of Laravel 10+ and PHP 8.3+
• Experience with REST API integrations
• Solid understanding of MySQL or PostgreSQL
• Experience working with existing codebases
• English level: Strong B1 or higher - comfortable speaking directly with clients during calls
• Ability to overlap at least 2 working hours with the client’s timezone (Canada/EST)

Nice to have:

• Experience with CRM or SaaS platforms
• Familiarity with OpenAI integrations
• Experience with Telnyx or similar communication APIs
• Basic frontend knowledge (HTML/JavaScript)

Soft Skills:

• Proactive communication - asking questions early instead of blocking on tasks
• Fast and responsible execution
• Attention to detail and ownership mindset
• Comfortable working in a small international team
• Willingness to communicate directly with the client in English

🧩 Project Tech Stack

• Backend: Laravel 12, PHP 8.3+
• Database: MySQL / PostgreSQL
• Frontend: HTML / JavaScript
• AI/ML: OpenAI GPT integration
• Communication APIs: Telnyx (SMS/Voice)
• Payments: Stripe, PayPal
• Authentication: Laravel Breeze / Jetstream / Sanctum
• Storage & Infrastructure: AWS, S3, Redis

💼 Work Format

• Part-time
• Project-based collaboration
• Remote / Hybrid / On-site (Lviv office, Stryiska St. 108)
• Flexible cooperation model: fixed monthly rate or hourly-based payment

👤 Hiring Process

1. Pre-screening form
2. HR Interview
3. Tech Interview
4. You’re in ✨

Want to work on a real product with direct client communication, ownership, and international collaboration? Apply now and join Viso 🚀

Urgently looking for a Senior Backend Engineer for our active US-based client.

📌 TL;DR

Senior Backend Engineer

Core stack: TypeScript + NestJS

Strong SQL + Snowflake (data models & querying)

Experience debugging production data-heavy systems

Engineers actively using AI tools (Claude Code or similar) are a huge plus
 

LATAM or EU only (We are open to considering opportunities in Europe, but are willing to work a 6-hour overlap with New York)
 

Remote, full-time

ASAP start

⸻

📌 About the client

US-based company

AI-forward engineering culture, valuing engineers who actively use modern AI coding tools

Tech stack: TypeScript, NestJS, Snowflake, SQL, AWS

⸻

📌 Who we’re looking for

We’re looking for a Senior Backend Engineer to build features, solve complex client issues, and work directly with production logs.

This is a strictly backend-focused role (no frontend work), centered around data pipelines and API development.

Ideal candidate:

Must-have: Strong TypeScript and NestJS

Data expertise: Strong SQL skills and experience with Snowflake (understanding data models and query building)

Debugging skills: Comfortable working with production logs and solving real customer issues

AI-enabled: Experience with Claude Code or similar AI coding tools is highly valued

Nice to have: AWS, Terraform, Kubernetes

English: Upper-Intermediate+