Jobs

8+ years of commercial mobile application development experience, with a significant portion using Flutter/Dart

Experience working with large codebases (50k+ lines) and long-lived projects

Strong understanding of mobile application architectural patterns and ability to make architectural decisions

State Management & Architecture

Strong proficiency in Riverpod — providers, notifiers, AsyncValue, caching and invalidation

Experience with reactive programming using RxDart (Streams, BehaviorSubject, stream combination)

Navigation with GoRouter — deep linking, nested routes, guards, redirect logic

Local Database & Offline Mode

Practical experience with Drift (code generation, migrations, complex queries, joins, transactions)

Understanding of offline-first architecture principles: data synchronization, conflict resolution, operation queues

Experience with SQLite; familiarity with database encryption (SQLCipher) is a plus

Networking

Strong knowledge of Dio — interceptors (auth, retry, logging), error handling, cancel tokens

Understanding of REST APIs, authorization tokens, refresh token logic

Experience using flutter_secure_storage for secure credential storage

Firebase

Integration and configuration of Firebase: Analytics, Crashlytics, Cloud Messaging (push notifications), Remote Config, Performance Monitoring

Experience debugging push notifications on both platforms

Device & Native APIs

Camera, gallery, file system (image_picker, file_picker, path_provider)

Geolocation and maps (Geolocator, Google Maps Flutter, map_launcher)

QR/barcode scanning (mobile_scanner)

Permissions (permission_handler), deep links (app_links)

Background file downloads (background_downloader)

Testing

Experience writing unit tests for business logic, services, and Riverpod providers

Experience with widget testing for UI components and user scenarios

Proficiency with mockito — dependency mocking, stubs, call verification

Testing asynchronous code: fake_async, stream matchers, timers

Experience or willingness to work with integration/E2E testing (Patrol or similar)

Understanding what and when to test — balancing coverage and maintenance cost

Native Integration

Experience integrating native libraries for Android (NDK, JNI, Kotlin/Java) and iOS (Swift/Objective-C, CocoaPods, XCFramework)

Writing Platform Channels (MethodChannel, EventChannel) to connect Flutter with native code

Ability to create Flutter plugins with native wrappers for both platforms

Experience debugging platform-specific issues — build, linking, native dependency compatibility

Code Quality & Code Review

Ability to conduct meaningful code reviews focusing on reliability, performance, and readability

Ability to identify async/await issues, memory leaks, and race conditions during review

CI/CD

Experience setting up and maintaining CI/CD for mobile applications (Fastlane, Codemagic, GitHub Actions or similar)

Automation of builds, signing, and publishing to the App Store / Google Play

Project Overview:

We are seeking a Lead Backend Engineer with deep expertise in PHP and strong proficiency in Node.js to help modernize and scale our backend systems. This role is central to evolving a large PHP monolith into modular, service-oriented components while maintaining high standards for code quality, testing, and reliability.

You’ll work in a remote-first, globally distributed environment, collaborating closely with product, platform, and engineering teams. Strong technical ownership, communication, and architectural thinking are essential.

Customer Overview:

USA influencer marketing platform for organizations looking to advance their creator marketing. Its enterprise-grade technology and industry-leading intelligence facilitate scaled creator discovery, streamlined workflows, and robust reporting, while ensuring compliance and brand safety.
 

Responsibilities:

• Develop a deep understanding of an existing PHP monolithic codebase and progressively extract modular services
• Design and implement scalable, testable, and reusable backend services
• Write clean, maintainable PHP and Node.js server-side code
• Design and maintain robust RESTful and GraphQL APIs
• Lead refactoring efforts to improve performance, readability, and long-term maintainability
• Build, deploy, and operate services on AWS (Lambda, API Gateway, and related services)
• Write and maintain unit and integration tests
• Review, validate, and improve code generated with AI tools—never blindly accept AI output
• Identify technical risks, bottlenecks, and opportunities for improvement
• Clearly communicate technical decisions, trade-offs, and solutions in written and spoken English
• Create short video walkthroughs or demos explaining architecture changes or completed work
• Collaborate effectively in a remote, async-first cross-timezone team with flexible working hours

Skills/Requirements:

• Expert-level PHP (Laravel) experience (non-negotiable)
• Strong backend experience with Node.js
• Proven experience working on enterprise-grade, production systems
• Hands-on experience refactoring or decomposing monolithic architectures
• Strong background in API design and backend architecture
• Experience with AWS, especially Lambda and serverless patterns
• Solid understanding of software design principles, patterns, and clean code practices
• Experience writing testable code and maintaining automated test suites
• Fluency in English (written and spoken)
• Excellent problem-solving, debugging, and communication skills
• Highly proactive and self-directed; able to unblock yourself without waiting for instructions
• AI & Developer Tooling Expectations
• You are expected to use AI as a productivity multiplier, not a replacement for engineering judgment.
• This includes:
• Experience with AI coding tools (e.g., GitHub Copilot, ChatGPT, Claude Code, Cursor)
• Using AI within IDEs such as VS Code or PhpStorm
• Critically reviewing, testing, and refining AI-generated code
• Understanding risks, edge cases, and limitations of AI-assisted development

Our Customer:

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

Your tasks:

• Develop and maintain the backend pipeline to monitor, synchronize, and manage data workflows both in the cloud and on on-premises servers.
• Integrate and manage modules written in C++ and Node.js to ensure seamless system performance.
• Implement a robust metadata system on AWS, ensuring secure access to S3 and optimized performance.
• Design and implement scalable backend architecture (Node.js) for efficient data distribution and pipeline control.
• Build and maintain a user-friendly monitoring dashboard to track pipeline status and performance in real-time.

Required Experience and Skills:

• Over 10 years of experience in backend development
• Proficient in Node.js and AWS
• Strong expertise in designing large-scale client-server architectures
• Deep understanding of browser internals, including rendering, JavaScript execution, network requests, memory management, and security mechanisms
• English – Upper-Intermediate

Would be a plus:

• Experience in database management, especially MySQL
• Experience in real-time C++ programming
• Experience in sports broadcasting and augmented reality (AR) technologies

Our customer:

A B2B SaaS platform for automating sales, contracts, and revenue. The platform unifies the entire deal lifecycle — from quote creation to revenue recognition.

Your Tasks:

• Collaborate with engineering teams to design, implement, and maintain reliable and scalable infrastructure.
• Manage and troubleshoot Kubernetes clusters in cloud environments (AWS, Azure, or GCP).
• Maintain and optimize containerized workloads, including Helm charts and CI/CD pipelines.
• Write scripts to automate operational tasks using Bash, Python, or Go.
• Monitor production systems and implement observability solutions using Prometheus, Grafana, and OpenTelemetry.
• Conduct root cause analysis for incidents and implement preventative measures.
• Continuously improve deployment workflows, production reliability, and operational efficiency.

Required Experience & Skills:

• 3+ years of professional experience in DevOps or Site Reliability Engineering roles.
• Hands-on experience with Kubernetes administration.
• Hands-on experience with troubleshooting in cloud environments.
• Experience managing containerized workloads and maintaining Helm charts.
• Solid understanding of CI/CD principles and tools (e.g., Jenkins, GitLab CI, GitHub Actions).
• Proficiency in scripting languages such as Bash, Python, or Go.
• Knowledge of monitoring and observability ecosystems (Prometheus, Grafana).
• Experience of distributed tracing with OpenTelemetry.
• Strong collaboration and communication skills within engineering teams.
• Strong problem-solving skills with a proven track record of performing root cause analysis.
• Good command of English (written and spoken).

Would Be a Plus:

• Experience running, deploying, and debugging Java applications in production.
• Proficiency with Java build tools (Maven or Gradle) and CI pipeline optimization.
• Understanding of JVM fundamentals (memory management, garbage collection).
• Experience maintaining and scaling Elasticsearch clusters.
• Experience managing MongoDB in production environments.

Our Customer:

Our client is a fast-growing tech company that builds innovative web solutions. They are looking for a talented Front-end Developer to design and deliver impactful features, contribute to new services, and help advance their platform. The team values collaboration, learning, and continuous innovation.

Your tasks:

• Develop and maintain Angular-based web applications.
• Implement testing best practices to ensure high-quality code.
• Identify performance bottlenecks and optimize front-end functionality.
• Collaborate closely with backend services and APIs.
• Mentor junior developers and help grow the frontend team.
• Work alongside product managers and senior leadership to deliver features.
• Ensure high availability and reliability of the product, including participating in on-call rotations.
• Continuously learn, experiment, and share knowledge with the team.

Required Experience and Skills:

• 5+ years of experience in front-end development.
• Strong expertise in Angular and front-end architecture for large-scale applications.
• Solid understanding of web technologies and browser behavior.
• Experience building scalable, highly responsive, and reliable web apps.
• Passion for UI/UX and attention to detail.
• Ability to thrive in a fast-paced, collaborative environment.
• Excellent communication skills and ability to translate requirements into solutions.
• English level Upper-Intermediate or higher.
• BSc in Computer Science or equivalent practical experience.

Would be a plus:

• Hands-on experience with Angular CLI, testing frameworks (Jasmine, Karma), and Webpack

Our customer:

Our customer is a technology-driven company developing a high-end Software Defined Radio (SDR) product, already moving from prototyping to commercial production (hundreds of units).

Your tasks:

• Design, develop, and optimize real-time embedded software for a high-performance SDR system
• Implement high-speed data paths inside the SDR and between the SDR and external devices (PC / cloud)
• Develop user-space and kernel-space software on NXP processors
• Work with DPDK-based networking, including UDP/TCP data processing and secure data transmission
• Participate in system-level development involving RF front-end, FPGA (integration level), and processors
• Implement and operate the control plane (internal SDR logic and external communication)
• Ensure real-time performance, low latency, and highly efficient code execution
• Debug complex real-time, multi-component systems (SW + FPGA + RF)
• Implement secure software management flows: secure images, field upgrades, monitoring

Required experience and skills:

• Strong experience in real-time embedded software development
• Hands-on experience with DPDK (mandatory)
• Practical experience with RF systems and digital signal processing in embedded environments
• Solid understanding of networking protocols and data processing (UDP/TCP)
• Experience with NXP processors and user-space / kernel-space development
• Proven ability to write highly efficient, low-latency C/C++ code
• Experience working in systems that include FPGA (FPGA coding not required)
• Strong debugging skills for real-time and complex systems
• Understanding of high-speed data paths and performance optimization
• Good command of English (written and spoken)
• Experience with Python for tooling, scripting, or support tasks

Would be a plus:

• Deep understanding of RF signals and SDR architectures
• Experience with time synchronization technologies (GNSS, IEEE 1588, clock synchronization)
• Background in digital signal processing (DSP) for real-time systems
• Experience with security mechanisms (VPNs, ciphering, secure communication)
• Experience with cloud-connected embedded systems

We’re looking for an experienced Software Solutions Architect to join our pre-sales team and help shape technical strategies for blockchain-based and Web3 solutions. This role bridges the gap between clients’ business needs and innovative technical design — perfect for a professional who thrives on both deep technical architecture and client-facing collaboration.
 

• Requirements:
  • 8+ years of commercial software engineering experience.
  • 4+ years of proven experience in the Web3 domain, including work with:
    DeFi protocols and dApps EVM-compatible blockchains, Bitcoin ecosystem components, Blockchain infrastructure and tooling
  • 3+ years of experience in pre-sales or solution consulting, engaging directly with clients.
  • Strong technical background in TypeScript and Go.
  • Understanding of software architecture methodologies, especially SEI or TOGAF.
  • Excellent communication and presentation skills to articulate complex technical concepts to both technical and non-technical stakeholders.
  • Ability to design and validate Proof-of-Concepts (PoCs) and MVPs across backend, frontend, and blockchain layers.
• Nice to Have:
  • Experience with Rust.
  • Hands-on development background in smart contracts or SDK design.
  • Familiarity with decentralized storage systems such as IPFS or distributed computing systems.

• What We Expect:

  The ideal candidate will combine architectural expertise with strong client engagement skills.

  
  You will:

  • Lead pre-sales engagements: Work closely with clients to understand their business goals and translate them into technical requirements and architecture proposals.
  • Architect solutions from the ground up: Define end-to-end system architectures, covering smart contracts, backend services, APIs, and infrastructure.
  • Provide technical leadership: Guide engineering teams through architecture design, implementation, and integration.
  • Define architecture strategy: Balance business and technical needs to create robust, scalable, and secure Web3 solutions.
  • Prepare and deliver proposals: Create technical documentation, architecture diagrams, and PoC/MVP demonstrations for client presentations.
  • Ensure best practices: Advocate for modern design principles, high-quality code, and emerging Web3 technologies.
  • Collaborate with cross-functional teams: Work alongside developers, product managers, and sales teams to ensure smooth delivery from pre-sale to execution.
    
    Would Be a Plus:
  • Deep understanding of blockchain consensus mechanisms, decentralized identity, or layer-2 scaling solutions.
    Previous contributions to open-source Web3 projects.
  • Experience building SDKs or frameworks that simplify blockchain integration.
  • Knowledge of distributed databases, caching, and replication strategies.

   

• What we offer:
  • Remote working format
  • Flexible working hours
  • Informal and friendly atmosphere
  • The ability to focus on your work: a lack of bureaucracy and micromanagement
  • 20 paid vacation days
  • 7 paid sick leaves
  • Education reimbursement
  • Free English classes
  • Psychologist consultations
     
• Recruitment process:
  • Recruitment Interview
  • Technical Interview
  • Final Interview

Company is looking for a Senior Backend Engineer to help build the infrastructure that secures the world’s software supply chains. You’ll work closely with top-tier engineers to design and ship high-performance, secure systems at scale.

This role is a great fit for someone who thrives in fast-moving environments, enjoys solving deep technical challenges, and wants their work to have real impact.

    Responsibilities

• Design, build, and maintain scalable backend services and APIs
• Develop reliable, secure, and high-performance systems in a production environment
• Work with SQL and NoSQL databases to support application needs and performance goals
• Collaborate with engineers to design and improve microservices - based architecture
• Contribute to clean, maintainable codebases and strong engineering standards

• Troubleshoot and resolve complex issues across services and infrastructure

   

  Requirements

• Bachelor’s degree in Computer Science or a related field
• 5+ years of backend development experience building scalable applications
• Strong proficiency in Node.js
• Advanced knowledge of PostgreSQL, Redis, or MongoDB under high load
• Familiarity with cloud services and microservices architecture: must have experience breaking down monolithic applications into microservices.
• Excellent problem-solving skills and a commitment to clean, maintainable code
• Proven track record of solving performance bottlenecks in high-volume data systems.
• Experience with SAST, SCA, or relevant security tools.

Company is looking for a Senior Backend Engineer. As a Senior Software Engineer you will take a significant part in the development of company’s core payments platform. Company's payments platform provides secure and efficient payment processing by optimizing payment routing flows, ensuring transaction security, and managing refunds. You will work with diverse payment gateways to enable a wide range of alternative payment methods, build expertise with various digital wallets, credit options, and region-specific payment solutions, while also implementing fraud detection capabilities, manage the full lifecycle of chargebacks, and take part in building company's data lake for analytics and operations. If you are passionate about technology and software development, with end-to-end experience developing in a fast-growing startup environment, we want to meet you!

Responsibilities 
• Building our high scale cloud-based payments platform in Node.js • Have end to end ownership: Design, build, ship, measure and maintain low latency, high availability and high performance services. 
• Bring your unique experience - we are open to new ideas and expect you to bring our team and platform to a new level 
• Optimize resource usage (database, infrastructure, integrations) 
• Mentor and guide software engineers and help build a professional and effective team. 

Requirements: 
• At least 5 years of proven experience in developing end-to-end web applications (experience in Fintech companies - advantage) 

• Proficiency with cloud-based environments (AWS - preferred) 

• Proficiency with Node.js / Python / Java

• Experience with Docker 

• Experience with NoSQL solutions (MongoDB, Redis - advantage) 

• Experience with Microservices 

• Excellent problem-solving and troubleshooting skills 

• Knowledge of software development lifecycle 

• Strong communication and collaboration abilities 

• Self-motivated with a startup mindset and ability to work independently

IT Craft запрошує Senior .NET Developer приєднатися до нашої команди та долучитися до розвитку швидкозростаючої інноваційної turnkey-системи, що надає ефективні рішення для рекрутингу, стафінгу та HR-фахівців.
Наш продукт допомагає усунути адміністративні труднощі, пов’язані з трудомісткими HR-процесами, такими як payroll, compliance та інші.

Technology stack: .NET Core, ReactJS, AWS, Aurora PostgreSQL, Terraform.

Вимоги:

• 5+ років комерційного досвіду розробки;
• Впевнене володіння C#, .NET 6/7+, ASP.NET Core;
• Глибоке розуміння принципів OOP;
• Впевнене знання SQL (PostgreSQL);
• Практичний досвід роботи з мікросервісною архітектурою та Dapper;
• Досвід розробки Web APIs (REST);
• Впевнене користування Git та Jira;
• Вміння писати unit та integration tests;
• Рівень англійської — Upper-Intermediate або вище (усно та письмово)

Буде перевагою:

• Досвід роботи з AI інструментами для розробки:
  • Знання та досвід використання AI-інструментів для програмування та розробки, таких як Cursor, Claude Code, GitHub Copilot або подібних систем;
  • Досвід інтеграції AI рішень для автогенерації коду, поліпшення процесів розробки та підвищення продуктивності команд;
  • Вміння ефективно працювати з інструментами, що використовують машинне навчання та штучний інтелект для автоматизації рутинних завдань і покращення якості коду;
• Досвід роботи з AWS ecosystem;
• Досвід прямої комунікації з клієнтами;
• Відмінні навички розв’язання проблем, комунікації та командної роботи;
• Розуміння та практичне застосування принципів Agile/SCRUM.

IT Craft пропонує:

• Конкурентну оплату відповідно до кваліфікації;
• Гнучкий графік, дистанційну роботу;
• Компенсацію для занять спортом;
• Компенсацію за технічні курси, освітні ресурси та спорт;
• Внутрішнє навчання англійської мови;
• Дружню команду відкритих людей.

Надішліть, будь ласка, своє резюме.

Відгукуючись на вакансію, ви погоджуєтеся на обробку ваших персональних даних відповідно до Політики конфіденційності IT Craft, доступної за посиланням: https://itechcraft.com/datenschutz/.

IT Craft invites a Senior .NET Developer to join our team and contribute to a fast-growing, innovative turnkey system that provides cost-effective hiring and back-office solutions for recruiting, staffing, and HR professionals.
Our products help eliminate administrative challenges associated with time-consuming HR functions such as payroll, compliance, and more.

Technology stack: .NET Core, ReactJS, AWS, Aurora PostgreSQL, Terraform.

Requirements:

• 5+ years of commercial development experience;
• Strong proficiency in C#, .NET 6/7+, ASP.NET Core;
• Solid understanding of OOP principles;
• Strong knowledge of SQL (PostgreSQL);
• Hands-on background with microservices architecture and Dapper;
• Skilled in building Web APIs (REST);
• Confident use of Git and Jira;
• Ability to write unit and integration tests;
• Upper-Intermediate or higher level of English (spoken and written).

Will be a plus:

• Experience with AI development tools:
  • Knowledge and hands-on experience using AI-assisted programming and development tools such as Cursor, Claude Code, GitHub Copilot, or similar systems.
  • Experience integrating AI solutions for code autogeneration, optimizing development workflows, and enhancing team productivity.
  • Ability to effectively work with tools leveraging machine learning and artificial intelligence to automate routine tasks and improve code quality;
• Knowledge of AWS ecosystem;
• Experience in direct communication with customers;
• Excellent problem-solving, communication, and teamwork skills;
• Understanding and practical use of Agile/SCRUM.

IT Craft offers:

• Competitive compensation according to the qualifications;
• Flexible working hours, remote work;
• Opportunity for career growth;
• Compensation for technical courses, educational resources and sport;
• In-house English training;
• A friendly team of open-minded people.

Please send your CV.

*By submitting your application, you consent to the processing of your personal data in accordance with IT Craft’s Privacy Policy, available at https://itechcraft.com/datenschutz/.

Hi there!
We’re excited to introduce you to Softsich - a young, ambitious, and fast-growing company that creates innovative digital products and confidently expands its presence in global markets. We are looking for an Middle DevOps Engineer.

Key Responsibilities

• Build and maintain the infrastructure, multiple environments, using Terraform.
• Build and maintain Kubernetes Clusters in AWS.
• Continuous improvement of CI\CD pipelines.
• Configure and improve system observability.
• Collaboration with the software development teams.
• Supporting software development teams for deployed components.
• Troubleshot ongoing issues.
• On-calls.

Requirements

• 3+ years of experience as a DevOps or SRE Engineer
• Strong understanding of networking concepts
• Hands-on experience with CloudFlare
• Practical experience with Infrastructure as Code (IaC) tools, particularly Terraform
• Proven experience in administering and troubleshooting Kubernetes
• Solid background working with AWS services, including:
  • VPC, EC2, S3, IAM, EKS
  • RDS, DocumentDB, ElastiCache
  • Route 53, CloudWatch, CloudFront
  • KMS, Secrets Manager, ECR
• Experience working with message brokers such as RabbitMQ or Kafka
• Experience maintaining and updating CI/CD pipelines (preferably GitLab CI)
• Experience with the GitOps approach and tools such as ArgoCD
• Familiarity with automation tools (Helm, Atlantis)
• Experience with monitoring and logging tools: Vector, Prometheus, ELK, DataDog
• Strong troubleshooting skills and ability to resolve complex issues

What We Offer:

• Flexible schedule and freedom to choose: work remotely or from our offices in Kyiv or Warsaw.
• 24 paid vacation days, sick leave, and medical insurance (currently in Ukraine, other countries — in progress).
• A friendly, open-minded team where it’s easy to ask questions, learn, and be yourself.
• Coverage for professional events and training.
• Birthday gifts, team buildings, and genuine team connection.
• Zero energy or business ties with the aggressor country — and we’re proud of that.

🚀 Ready to join a team?
Then welcome on board — let’s grow smarter together!

Creatio is a global vendor of an agentic CRM & workflow platform with no-code and AI at its core. We help organizations automate customer and operational workflows achieving the fastest time-to-value and the highest ROI on the market. Millions of workflows run on Creatio daily, supporting thousands of clients in over 100 countries. Genuine care for our clients and partners is at the heart of our DNA.  

We’re proud to be recognized by top industry analysts as a Leader and Strong Performer in multiple Gartner and Forrester reports.   

In 2025, Creatio was named to Inc.’s Best Workplaces list, recognizing our commitment to employee wellbeing and a strong workplace culture.

Who We’re Looking For:

We are strengthening a core development area and are looking for a senior-level Full Stack Developer who is deeply passionate about technology, driven by innovation, and motivated to work on complex, long-term challenges in a high-caliber engineering environment.

You’ll fit well into our team if you have front-end experience across Angular, React, or Vue and are ready to make Angular your primary technology.

You should be a strong team player with excellent communication skills, eager to learn and grow, and ready to make an impact from day one. Most importantly, we’re looking for individuals who share our values, believe in collaboration, and want to be part of a workplace where creativity, accountability, and ambition are celebrated. 

Responsibilities: 

• Designing, coding, testing, and debugging back-end and front-end code.
• Collaborating with product owners, business analysts, architects, customer support team.
• Creating web services, Angular components, Creatio configuration, unit, integration, E2E tests.
• Participation in product goal implementation and scrum activities.
• Providing support for resolving customer cases and ensuring faultless Creatio operation. 

Requirements: 

• 5+ years of overall programming experience, strongly focusing on .Net and Angular/React/Vue.
• Strong knowledge of object-oriented programming, KISS, SOLID, DRY principles.
• Confident knowledge of C# language and modern .NET platform (.NET6+).
• ASP.NET MVC, ASP.NET Core, experience with the development of Web APIs.
• Hands-on experience with JavaScript, TypeScript languages, DOM, CSS/SASS. You must be able to style a page or component according to the given UI prototype.
• Source control systems like Git, SVN, experience with branch, merge, rebase.
• Unit testing, mocking, NUnit, Mock, Postman.
• English level - Upper–Intermediate or higher (spoken and business writing).
• Experience working with databases (MS SQL Server, PostgreSQL or Oracle) is a plus.

What to expect from us:

• Growth & Development: Clear career paths, mentorship opportunities, and access to continuous learning to help you reach your full potential.
• Flexibility & Well-Being: We provide flexible work arrangements and initiatives that empower you to manage your schedule effectively, stay productive, and thrive both personally and professionally.
• Recognition & Impact: A culture that celebrates achievements, values your ideas, and empowers you to make real contributions from day one.
• Innovative Culture: Be part of a company that embraces new ideas, modern technologies, and bold thinking to stay ahead of the curve.
• Benefits & Rewards Package: We provide competitive compensation and benefits designed to support you and your family. Our rewards approach goes beyond salary, recognizing your contributions and commitment. The exact package may vary depending on your country of residence and employment type.

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.

In your role as Microsoft AI Developer, you’ll have the unique opportunity to design and build advanced Generative AI tools, plug-ins, microservices, and extensions. Your work will be essential in leading innovation and delivering high-impact solutions that set new standards for excellence, further strengthening PwC’s reputation for technological leadership, client satisfaction, and continuous growth. If you’re passionate about shaping the future of technology and eager to make a real difference, this is the perfect place to accelerate your career and leave a lasting mark.

Responsibilities:     

• Lead the design, development, and implementation of large-scale AI-driven software solutions using Microsoft 365 Agents Toolkit and Azure technologies.
• Translate business requirements into technical specifications and deliver effective AI and automation solutions.
• Develop, test, and deploy product features, ensuring they align with client needs and quality standards.
• Support agile product delivery by working closely with cross-functional teams and adopting Agile Scrum methodologies.
• Utilize Azure AI Foundry, Azure OpenAI, Graph connectors, API plugins, and Azure AI Search to deliver robust solutions.
• Guide integration of APIs and microservices architectures for scalable and secure applications.
• Implement best practices in source code management, CI/CD, and DevOps using tools like GitHub and Azure DevOps. 
• Troubleshoot complex issues and provide support throughout the software development lifecycle.

Requirement experiences and skills:

• Bachelor’s or Master’s degree in Computer Science or similar field.
• Hands-on experience in agile teams delivering software solutions at scale.
• Proficiency in service-oriented, event-driven, and microservices architectures.
• Expertise in Azure AI tools including OpenAI, Foundry, Functions, Logic Apps, and Teams Toolkit.
• Microsoft .Net Development Certification and Azure Services certifications will be a plus.
• Experience with Python, containerization (Docker/Kubernetes), and CI/CD pipelines.
• Ability to solve complex problems with creativity and critical thinking.
• Excellent written and verbal communication skills for internal and client-facing interactions.
• Team-oriented mindset with a passion for continuous learning and staying up to date with emerging technologies.

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

Location: Remote-first, Europe (Spain or UK preferred)

Office: Barcelona available

Engagement: Full-time, long-term

Employment: In-house

About the Company

Our client is a European health technology company building an AI-driven virtual assistant for clinicians — a real-time system that helps healthcare professionals perform tasks faster and more accurately.

Their mission is to build intelligent, low-latency AI agents that communicate naturally through text and voice, supporting healthcare providers, payers, and pharmaceutical companies.

Core Stack: Python, FastAPI, Docker, Kubernetes, Argo CD, gRPC, Redis, Postgres, WebRTC

Focus Areas: Real-time AI agents, voice systems, event-driven architectures, multi-agent orchestration

Who We’re Looking For

This is a Senior-level (6–7+ years) AI Engineer role.

We’re looking for someone who is highly experienced in building AI/ML systems - not just experimenting with the latest APIs, but shipping real production systems.

You are a software-first AI engineer:

• You understand architectures, reliability, observability, SLAs, and production constraints - not just prompts.

Mandatory background:

• Strong AI/ML expertise + solid software engineering fundamentals
• Experience that predates the LLM boom, showing a foundational understanding of ML/Software Engineering beyond prompt engineering.
• Proven experience with production AI/ML systems
• Previous startup experience (required)

Deep expertise in at least one:

• Voice AI systems
• Multi-agent architectures
• Low-latency software systems

What You’ll Own

You will take ownership of critical AI infrastructure components, including:

AI Brain Service (End-to-End)

• Architecture design, SLAs, latency budgets
• Failure modes & reliability engineering
• Production rollouts and system evolution

Real-Time & Voice Systems

• Streaming text/voice
• VAD, barge-in, turn-taking, interruption handling
• WebRTC, SIP, LiveKit (strong plus)
• Latency optimization under real-world constraints

Multi-Agent Orchestration

• Planner–executor–critic patterns
• Role routing & shared memory
• Tool routers & coordination protocols
• Evaluation-driven iteration

RAG & Retrieval Engineering

• Hybrid retrieval & re-ranking
• Query rewriting, compression, caching
• Freshness & grounding
• Faithfulness and relevancy evaluation

Evaluation & Observability

• Pre-call validation & safety enforcement
• In-call tracing (prompts, tools, tokens, latency, cost)
• Post-call automated evals (hallucination, safety, regressions)
• OpenTelemetry instrumentation
• Shadow evals & drift detection

Minimum Qualifications

• 6–7+ years of ML/backend engineering in product environments
• Strong Python expertise (FastAPI, asyncio, pydantic)
• Experience shipping production AI/ML systems
• Experience in startup environments
• Real-time system experience
• Strong understanding of architecture, observability & reliability

Nice to Have

• DSPy, MiPRO, GEPA
• LLM evaluation frameworks / LLM-as-judge setups
• WebRTC/SRTP, SIP, TURN/SFU tuning
• GCP (Cloud Run, GKE, Pub/Sub, Vertex AI)
• Healthcare domain experience

Example Problems You’ll Solve

• Push median voice round-trip below 2 seconds while preserving turn-taking.
• Implement OTEL-first tracing for agent graphs with automated evaluation triggers.
• Improve RAG with hybrid retrieval + measurable faithfulness gains.
• Turn EHR integrations into reliable LLM tools.

Working Style

• Remote-first (EU time zones preferred)
• Barcelona office available
• Direct collaboration with Head of AI and Engineering
• Fast iteration, high ownership
• Strong architectural influence

Headway Inc is a global tech company, revolutionizing lifelong learning by creating digital products for over 150 million users worldwide. Our mission is to help people grow. We’re proud to be ranked 4th among the World’s Top EdTech Сompanies by TIME magazine. We believe lifelong learning should be accessible, personalized, and impactful to each individual. That’s how we change the world and why we bring together exceptional minds.
 

The core of our achievements is our team. We believe in people and shared values SELECT. That’s why, together with Lisa Rudyk, User Acquisition Manager at Headway by Headway Inc, we’re looking for a PPC Specialist to take full ownership of Google Ads acquisition — one of our top strategic priorities.
 

The product and team you will be working with:

Headway is our flagship app, offering summaries of nonfiction bestsellers, daily insights, and gamified challenges. Headway is the world’s most downloaded book summary app and has been featured as App of the Day in over 30 countries, including the US, the UK, and Canada.
 

You’ll join our User Acquisition team, responsible for driving new user growth, fueling product expansion, and supporting the company’s financial goals. We focus on scaling new revenue by testing fresh approaches and continuously exploring the most effective ways to accelerate product growth.
 

This job is perfect for you if you:

• Want to work on a product that’s a market leader in Book Summaries across the US and Tier-1 countries.
• Are excited to see the direct impact of your work reflected in both financial and product metrics at Headway.
• Thrive when you have full ownership — Google Ads acquisition is one of our top strategic priorities, and you’ll drive it end to end.
• Want to collaborate closely with the Product team while sharpening your product marketing expertise.
• Love working with a performance-driven team of people who are fully committed to results.
• Are eager to grow in a data-driven environment where experiments and analytics guide every decision.
• Value strong partnerships — we work closely with Google, Meta, and TikTok. Our collaboration with Google’s Ukrainian office gives you access to offline interactions, summits, resources, and exclusive events.
   

What you will do:

• Scale Headway App’s user acquisition through Google Ads campaigns.
• Collaborate with the Product team to design new funnels and run product experiments.
• Analyze data, metrics, and test outcomes to make decisions grounded in data-driven insights.
• Improve funnel conversions (CRO) in partnership with the Product team.
• Test creatives, audiences, and bidding strategies to maximize growth.
• Work closely with Creative Marketing, Product Marketing, and Analytics teams to drive new user growth.
• Build and maintain automations and scripts to streamline campaign management and optimization.
   

What you need to join us:

• Proven experience with Google Ads (PMax, Search, Demand Gen, Display).
• Strong knowledge of analytical tools such as Google Analytics, Tableau, Mixpanel, Amplitude, etc.
• Solid understanding of marketing metrics
• Ability to analyze data and uncover causal relationships.
• Hands-on experience with scripts and campaign automation.
• Experience working on CRO initiatives with product teams is a strong plus.
• Alignment with the values of our team (SELECT).
   

What do we offer:

• Work within an ambitious team on a socially impactful education product.
• An office with a reliable shelter, generators, satellite internet, and other amenities.
• Access to our corporate knowledge base and professional communities.
• Personal development plan.
• Compensation for English language learning, external training, and courses.
• Medical insurance and full sick leave compensation.
• Company doctor and massage in the office.
• Sports activities: running, yoga, boxing, and more.
• Corporate holidays: we go n a week-paid holiday to rest and recharge twice a year.
• Supporting initiatives that help Ukraine. 
   

Working schedule

This is a full-time position with a hybrid remote option. It means that you can decide for yourself: whether you want to work from the office, remotely, or combine these options.
 

Are you interested?

Send your CV!