Azure Integration Developer

🏢 Summary: Role focused on rebuilding around 30 complex ERP integration interfaces into a modern, cloud-native architecture using Azure Integration Services. The position involves designing and implementing scalable integration processes from scratch in Microsoft Azure, primarily with Azure Logic Apps and related services. The project follows a structured delivery model and emphasizes reliable asynchronous messaging and integration patterns. 🗂️ Requirements: Commercial experience with Azure Logic Apps, Strong proficiency in .NET and C#, Hands-on experience creating Azure Functions, Solid knowledge of Azure Service Bus (queues, topics, subscriptions), Strong understanding of integration patterns (EAI), Experience with data mapping, error handling, and monitoring in distributed systems 📃 Skills: Azure, LogicApps, .NET, C#, AzureFunctions, ServiceBus, EAI 🏢 Description: Zaven is a software company from Wrocław, Poland. We build high-quality custom software for essential industries. Our focus is on practical results and trusting our people, not on strict rules or long processes. If you want to work with smart teams to build important software, and you want to avoid big company bureaucracy, this is the place for you. We are looking for an experienced Azure Integration Developer and a true Azure Logic Apps enthusiast - to join a large migration project for our international client. The goal is to rebuild ~30 complex integration interfaces (message exchange between ERP systems like JDE, NAV, and external systems) into a modern, 100% cloud-native environment based on Azure Integration Services (AIS) using a Factory Delivery model. Your task will be to build the integration logic from scratch in the Microsoft Cloud. You don't need to know the legacy system we are migrating from – what matters most is how well you can build reliable, scalable integration processes in Azure. What you will be doing: Building new integration flows primarily based on Azure Logic Apps . Creating and deploying data transformations (often based on XSLT/XML/SOAP) using Azure Functions . Handling asynchronous communication and message routing using Azure Service Bus . Developing solutions according to the prepared target architecture (specific Inbound / Outbound patterns). Integrating with other cloud services: API Management, Azure Key Vault, Azure App Configuration. Following development standards – including Infrastructure as Code ( Bicep ) and CI/CD processes ( Azure DevOps ). Required Skills & Experience: Azure Logic Apps – this is a hard requirement. You must have commercial experience in building, maintaining, and monitoring Logic Apps. .NET / C# – fluent coding skills, especially in the context of Azure Functions. Azure Functions – ability to create functions from scratch, strong understanding of triggers and bindings. Azure Service Bus – solid understanding of queues, topics, subscriptions, and asynchronous messaging patterns. Integration Experience – strong grasp of integration patterns (EAI), data mapping, error handling, and monitoring in distributed systems. Nice to have: Hands-on experience and fluency in using Azure API Management . Experience with XSLT / XML transformations and familiarity with SOAP / REST protocols. Experience with Infrastructure as Code, preferably Bicep (alternatively ARM Templates / Terraform). Knowledge of Azure DevOps (creating and maintaining CI/CD pipelines). Familiarity with Azure Event Grid. Any knowledge of Microsoft BizTalk Server is a plus (it will help with reading legacy code), but it is not required.

🏢 Summary: The offer is for a cloud integration engineer role focused on migrating legacy enterprise integration systems to Azure Integration Services within a large-scale transformation program. The position combines hands-on development and architectural design in a Migration Factory team rebuilding critical interfaces using Azure-native solutions. It involves designing scalable cloud integrations, implementing CI/CD pipelines, and delivering production-ready enterprise integration architectures. 🗂️ Requirements: Strong experience with Azure Integration Services, Experience with Logic Apps, Service Bus, API Management, Event Grid, Azure Functions, Hands-on experience with Azure DevOps and CI/CD pipelines, Experience with Azure Data Factory, Experience with Bicep for Infrastructure as Code, Strong development experience in .NET, Experience designing integration architectures, Knowledge of enterprise integration patterns, Ability to rebuild and migrate legacy enterprise interfaces to Azure, Ability to work independently in delivery-focused environment 📃 Skills: Azure, LogicApps, ServiceBus, APIManagement, EventGrid, AzureFunctions, AzureDevOps, AzureDataFactory, Bicep, .NET, C#, CI/CD, BizTalk 🏢 Description: Zaven is a software company from Wrocław, Poland. We build high-quality custom software for essential industries. Our focus is on practical results and trusting our people, not on strict rules or long processes. If you want to work with smart teams to build important software, and you want to avoid big company bureaucracy, this is the place for you. Join a high-impact cloud transformation initiative focused on modernizing a global enterprise integration and data landscape. This role is part of a strategic migration from legacy platforms to Azure Integration Services (AIS) and broader Azure-native solutions. You will be part of a dedicated “Migration Factory” team responsible for rebuilding critical enterprise interfaces while contributing to the design and implementation of a modern cloud architecture. The role combines hands-on development with architectural input—starting from analyzing existing systems to delivering scalable, production-ready Azure solutions. This is a greenfield-style environment within an established framework, offering strong architectural support alongside a high degree of ownership and autonomy. Key Responsibilities: Analyze and map existing integration and data landscapes (EAI flows and enterprise systems) Design modern, scalable Azure-based integration architectures Rebuild and migrate enterprise interfaces to Azure Integration Services Develop and implement cloud-native solutions using Azure services Collaborate with architects and stakeholders to define technical blueprints Ensure high-quality, reliable, and maintainable integration solutions Support CI/CD processes and deployment pipelines Required Skills & Experience: Strong experience with Azure Integration Services , including: Logic Apps Service Bus API Management Event Grid Azure Functions Hands-on experience with: Azure DevOps (CI/CD pipelines, deployments) Azure Data Factory Bicep (IaaC) Solid development experience in .NET / C# Experience designing and implementing integration architectures Understanding of enterprise integration patterns and messaging systems Ability to work independently in a fast-paced, delivery-focused environment Nice to Have: Experience with BizTalk Server (migration scenarios highly valued)

🏢 Summary: Role in a cloud transformation program focused on migrating enterprise integration and data platforms to Azure Integration Services and Azure-native solutions. Combines hands-on development with architectural design, rebuilding legacy interfaces and delivering scalable, production-ready cloud integrations. Involves working within a dedicated migration team with strong ownership over modern Azure-based integration architecture. 🗂️ Requirements: Strong experience with Azure Integration Services, Experience with Logic Apps, Experience with Service Bus, Experience with API Management, Experience with Event Grid, Experience with Azure Functions, Hands-on experience with Azure DevOps and CI/CD pipelines, Experience with Azure Data Factory, Experience with Bicep for Infrastructure as Code, Solid development experience in .NET, Solid development experience in C#, Experience designing integration architectures, Understanding of enterprise integration patterns, Experience with messaging systems, Ability to analyze and migrate legacy integration systems 📃 Skills: Azure, LogicApps, ServiceBus, APIManagement, EventGrid, AzureFunctions, AzureDevOps, DataFactory, Bicep, .NET, C#, CI/CD, IaaC, EAI, BizTalk 🏢 Description: Zaven is a software company from Wrocław, Poland. We build high-quality custom software for essential industries. Our focus is on practical results and trusting our people, not on strict rules or long processes. If you want to work with smart teams to build important software, and you want to avoid big company bureaucracy, this is the place for you. Join a high-impact cloud transformation initiative focused on modernizing a global enterprise integration and data landscape. This role is part of a strategic migration from legacy platforms to Azure Integration Services (AIS) and broader Azure-native solutions. You will be part of a dedicated “Migration Factory” team responsible for rebuilding critical enterprise interfaces while contributing to the design and implementation of a modern cloud architecture. The role combines hands-on development with architectural input—starting from analyzing existing systems to delivering scalable, production-ready Azure solutions. This is a greenfield-style environment within an established framework, offering strong architectural support alongside a high degree of ownership and autonomy. Key Responsibilities: Analyze and map existing integration and data landscapes (EAI flows and enterprise systems) Design modern, scalable Azure-based integration architectures Rebuild and migrate enterprise interfaces to Azure Integration Services Develop and implement cloud-native solutions using Azure services Collaborate with architects and stakeholders to define technical blueprints Ensure high-quality, reliable, and maintainable integration solutions Support CI/CD processes and deployment pipelines Required Skills & Experience: Strong experience with Azure Integration Services , including: Logic Apps Service Bus API Management Event Grid Azure Functions Hands-on experience with: Azure DevOps (CI/CD pipelines, deployments) Azure Data Factory Bicep (IaaC) Solid development experience in .NET / C# Experience designing and implementing integration architectures Understanding of enterprise integration patterns and messaging systems Ability to work independently in a fast-paced, delivery-focused environment Nice to Have: Experience with BizTalk Server (migration scenarios highly valued)

🏢 Summary: Offer for an experienced Software Engineer to build AI-first applications and advanced agentic systems using modern LLM frameworks, with strong ownership over architecture and delivery. The role focuses on developing RAG-based solutions and integrating large language models into production systems in collaboration with US partners. 🗂️ Requirements: Strong hands-on proficiency in Python, Commercial experience with LangChain, LangGraph, or CrewAI, Experience integrating large language models (OpenAI, Anthropic, Azure OpenAI), Practical experience with Vector Databases, Strong understanding of RAG architecture, Experience designing and building REST APIs, Ability to independently own end-to-end technical delivery 📃 Skills: Python, LangChain, LangGraph, CrewAI, OpenAI, Anthropic, Azure, RAG, REST, APIs, VectorDB, LLM 🏢 Description: Zaven is a software company from Wrocław, Poland. We build high-quality custom software for essential industries. Our focus is on practical results and trusting our people, not on strict rules or long processes. If you want to work with smart teams to build important software, and you want to avoid big company bureaucracy, this is the place for you. We are looking for an experienced Software Engineer for whom AI is not just a trendy buzzword, but a practical tool for building advanced products. You will join a team dedicated to creating intelligent, AI-first applications, working in close collaboration with our partners in the USA, and will have a real impact on the architecture and delivery process — we are looking for someone with a strong sense of ownership. If you are passionate about building agentic systems and working with cutting-edge Language Models, you are exactly the person we are looking for. What exactly will you be doing?: Developing advanced AI agent systems and co-agent frameworks utilizing LangChain, LangGraph, or CrewAI. Building and refining RAG (Retrieval-Augmented Generation) systems designed to process complex compliance and operational documentation. Designing and implementing dedicated AI-first applications along with smart integrations between various systems and APIs. Required Skills & Experience: Python Mastery: Strong, hands-on proficiency in Python as your primary programming language. AI Frameworks: Commercial experience with LangChain, LangGraph, or CrewAI. LLM Integrations: Proven track record of integrating large language models (OpenAI, Anthropic, Azure OpenAI). AI Infrastructure: Solid understanding and practical experience with Vector Databases and RAG architecture. Backend / API: Experience in designing, building, and integrating REST APIs. Delivery Ownership: High level of autonomy, proactivity, and end-to-end responsibility for the technical delivery of features. Nice to have: Cloud Platform: Hands-on experience with the Microsoft Azure environment. Data Platforms: Familiarity with Microsoft Fabric and Databricks.

🏢 Summary: Senior .NET Lead Developer role focused on leading delivery of Azure-based applications for an international client. The position involves driving code quality, performance optimization, architectural improvements, and mentoring developers while collaborating with QA, DevOps, and product teams. The role also includes decomposing monolithic systems and ensuring production reliability and release readiness. 🗂️ Requirements: 8+ years of software development experience, Strong experience with C# and .NET, Strong experience with ASP.NET Core and Web API, Strong experience with Entity Framework and EF Core, Strong experience with Azure (App Services, Azure SQL, Application Insights, Azure DevOps, CI/CD), Experience with performance optimization in production systems, Experience leading developers and conducting code reviews, Experience with CI/CD pipelines 📃 Skills: C#, .NET, ASP.NET, WebAPI, EFCore, Azure, AppServices, AzureSQL, ApplicationInsights, AzureDevOps, CI/CD, Redis, Angular, React, ServiceBus, Storage, APIManagement 🏢 Description: Zaven is a software company from Wrocław, Poland. We build high-quality custom software for essential industries. Our focus is on practical results and trusting our people, not on strict rules or long processes. If you want to work with smart teams to build important software, and you want to avoid big company bureaucracy, this is the place for you. Now we’re looking for a .NET Developer to join our team on a project for one of our international clients. We need a hands-on .NET lead developer who can own delivery, improve code quality, mentor developers, and work closely with architecture, QA, DB, DevOps, and product stakeholders. What exactly will you be doing?: Leading development work across .NET, C#, and Azure-based applications. Reviewing and improving code quality, performance, maintainability, and reliability. Working on application performance optimizations, including async/await, EF Core usage, caching, API design, memory allocation, HttpClient usage, long-running processes, and error handling. Supporting the decomposition of monolithic functionality into modular components or services. Partnering with QA teams on testability, regression coverage, defect triage, and release readiness. Mentoring mid-level developers and raising engineering standards. Collaborating with product and business stakeholders to clarify requirements and reduce rework. Participating in production issue analysis and root-cause reviews. Required Skills & Experience: 8+ years software development experience. Strong C#, .NET, ASP.NET Core, Web API experience. Strong Entity Framework / EF Core experience. Strong Azure experience: App Services, Azure SQL, Application Insights, Azure DevOps, CI/CD. Experience improving performance and reliability in production systems. Experience leading developers, reviewing code, and setting engineering standards. Strong communication skills with both technical and non-technical stakeholders. Nice to have: Angular / React / front-end experience. Redis / distributed caching. Azure Front Door, API Management, Service Bus, Storage. Insurance, fintech, or regulated environment experience. Experience with test automation and CI/CD quality gates.

🏢 Summary: The offer is for an Integration Engineer to design, build, and operate cloud-native integration solutions in Azure using Kubernetes and workflow orchestration. The role focuses on developing scalable, DAG-based workflows and managing event-driven and messaging integrations in a DevOps environment. It involves hands-on work with automation, CI/CD, and infrastructure-as-code in a fully remote setup. 🗂️ Requirements: Strong experience with Kubernetes (AKS preferred), Experience with containerized applications, Experience with Azure Cloud integration and messaging services, Strong knowledge of Python, Experience with workflow orchestration systems (Argo, Temporal, Airflow), Experience with DAG-based integration patterns, Experience with messaging platforms (Service Bus, Kafka, Event Hub), Familiarity with CI/CD pipelines, Experience with Infrastructure as Code, Knowledge of monitoring and GitOps practices 📃 Skills: Azure, Kubernetes, AKS, Python, Argo, Temporal, Airflow, Kafka, ServiceBus, EventHub, CI/CD, IaC, GitOps, Docker 🏢 Description: Join the Global Integration Hub Team built on DevOps principles — continuous delivery, automation, and true ownership: you design it, you build it, you run it. We operate fully in the Azure Cloud with a modern architecture leveraging Kubernetes (AKS), serverless components, and realtime- and batch-driven integration patterns. As an Integration Engineer, you will design and operate integration solutions that connect applications, services, and data streams across our ecosystem. You will work on workflow-driven integration development, designing and orchestrating workflows following DAG-based patterns using modern workflow engines such as Argo Workflows. RESPONSIBILITIES Build and operate robust integration solutions using Azure services, Kubernetes, event streaming platforms, and messaging technologies. Design, build, and maintain workflow-orchestrated integrations using DAG-based orchestration frameworks (e.g., Argo Workflows), ensuring scalable, observable, and reliable data- and process-flows. Collaborate closely with application developers, DevOps engineers, architects, and business stakeholders to understand integration needs and translate them into scalable technical solutions. Explain technical concepts in a clear and structured way to non-technical business partners. Consult and advise the business on integration patterns, workflow orchestration, best practices, and architecture options. Work hands-on in a modern DevOps setup — infrastructure-as-code, automated deployments, and continuous improvement. Contribute actively as a team player in an international agile Scrum environment REQUIREMENTS Strong experience with Kubernetes (AKS preferred) , containerized applications, and cloud-native architectures. Solid background in Azure Cloud , especially in integration and messaging workloads. Strong knowledge of Python for scripting, workflow development, and automation. Experience with workflow orchestration systems (e.g., Argo Workflows, Temporal, Airflow) and DAG-based integration patterns. Experience with integration & messaging technologies such as Azure Service Bus, Kafka, Event Hub, or similar. Familiarity with DevOps practices and toolchains (CI/CD, IaC, monitoring, GitOps, etc.). Ability to communicate technical topics clearly to stakeholders at different levels. A consultative mindset and team-player attitude. NICE TO HAVE WHAT DO WE OFFER ON THIS PROJECT? Cooperation based on a B2B contract and rate: 120-150 PLN/hour 100% remote work The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client. Events and integration meetings, as well as participation in various initiatives, e.g., sports. Access to the benefits offering (medical care, life insurance, Multisport card). WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE? Application: Apply and submit your CV. After the application review, the recruiter will contact selected candidates by phone. Screening: Have a conversation with a speedapp recruiter about your experience. Next steps: The speedapp recruiter will explain the recruitment process for the specific position. The speedapp recruiter will stay in touch with you throughout the entire process. ABOUT SPEEDAPP At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch. DO YOU HAVE ANY QUESTIONS? Contact the recruiter responsible for this process directly. Iga Olszewska-Magnowska Senior IT Delivery Consultant iga.olszewska@speedapp.pl

🏢 Summary: DevOps role focused on automating and managing Azure-based big data and analytics platforms, ensuring secure, stable, and efficient product lifecycle processes. The position involves Infrastructure as Code, deployment automation, security compliance, and support for Go-Live and migration activities in a hybrid Warsaw setup. 🗂️ Requirements: Extensive experience with Infrastructure as Code using Terraform, Strong proficiency in PowerShell, Hands-on experience with Azure DevOps, Practical experience with Azure PaaS and SaaS services, Experience with Azure Databricks, Experience with Azure Data Factory, Experience with Azure ML, Experience with Azure Event Hub, Experience with Azure SQL Server, Experience with Azure Data Lake, Experience with Azure Blob Storage, Experience with Power BI, Experience with Azure Search, Experience with Azure Cosmos DB, Strong knowledge of Azure networking and VNets, Understanding of Azure Active Directory, Knowledge of IT security standards and compliance, Ability to automate deployments in Azure, Experience with root cause analysis and bug fixing, Fluent business English 📃 Skills: Terraform, PowerShell, Azure, Databricks, DataFactory, AzureML, EventHub, SQLServer, DataLake, BlobStorage, PowerBI, AzureSearch, CosmosDB, VNets, AzureAD, IaC, DevOps, ServiceNow 🏢 Description: Rate: 145-164 pln/h on b2b Location: Hybrid from Warsaw (1 day per week form office) Summary: The DevOps role is crucial for coordinating the product life cycle of technologies within the team, focusing on automation and quality improvements for big data and analytics platforms. Main Responsibilities: Coordinate with program team for product lifecycle including design, implementation, security, release management, deployment. Automate deployment of Azure PaaS/SaaS services for big data and analytics. Validate configurations and ensure IT security compliance for platform stability. Enhance Managed BDAP Services and associated components. Conduct root cause analysis and bug fixing. Develop robust and efficient code. Manage Go-Live and migration scenarios. Create documentation for processes and systems. Facilitate knowledge transfer to Ops Second Level and Service Desk. Key Requirements: Extensive experience in Infrastructure as Code (IaC) using Terraform, PowerShell, Azure DevOps. Proficiency in multiple Azure services: Databricks, Data Factory, ML, Event Hub, SQL Server, Datalake, Blob Storage, Power BI, Azure Search, Cosmos DB. Strong Azure networking skills including VNets and architecture designs. Solid understanding of Azure Active Directory and integration per IT security standards. Commitment and flexibility in handling varied and complex tasks. Fluent in business English; German skills are a plus. Nice to Have: Experience in building ServiceNow Forms and Automation. Ability to adapt quickly to new technologies and processes. Strong analytical and problem-solving skills. A proactive and initiative-driven attitude. Customer-oriented mindset and collaborative skills.

🏢 Summary: Backend role focused on designing and maintaining enterprise-grade cloud environments on Microsoft Azure for an advanced MCP-based AI platform. The position involves building scalable backend systems, multi-tenant architectures, and production-ready infrastructure supporting large-scale enterprise adoption. You will contribute to AI-driven, high-availability systems used by hundreds of thousands of users. 🗂️ Requirements: 5+ years commercial experience in scalable web applications and backend systems, Strong knowledge of .NET Framework and C#, Experience with ASP.NET MVC and Web API 2, Proficiency in MS SQL and Entity Framework, Experience designing and implementing REST APIs and GraphQL, Hands-on experience with Microsoft Azure services, Understanding of microservices architecture and API management, Knowledge of Cloud Design Patterns, Experience building Enterprise SaaS applications, Experience with Clean Architecture, DDD, CQRS, Event Sourcing, Knowledge of vector databases and semantic search in RAG systems, Experience integrating ML/AI APIs in production, Experience designing high-availability and high-volume systems, Familiarity with DevOps practices and Agile methodologies 📃 Skills: C#, .NET, ASP.NET, WebAPI, MSSQL, EntityFramework, REST, OData, GraphQL, Azure, AzureAppServices, AzureFunctions, CosmosDB, AzureServiceBus, AzureSQL, AzureSearch, Microservices, CQRS, DDD, CleanArchitecture, EventSourcing, DevOps, Agile, SaaS, MCP, ML, APIs, MLOps, VectorDB, RAG 🏢 Description: We build innovative digital products for the modern workplace in the Cloud, and we need your expertise. Want to work on backend systems that power real enterprise AI — not just another standard web application? Join us and help develop one of the first enterprise-grade MCP platform implementations in Poland. As part of our team, you will: Utilize your extensive knowledge of cloud computing, system integration, and software development, Design and maintain cloud environments on Microsoft Azure that serve as the experimental backbone for the MCP Graph Broker — one of the first implementations of its kind for enterprise AI in Poland, Configure and validate multi-tenant isolation, load balancing, and real-time monitoring mechanisms, ensuring that research on the Orchestration Layer translates into architecturally sound, scalable solutions, Prepare production-grade environments for enterprise-scale adoption — from controlled lab conditions through to infrastructure serving 500,000+ daily users across banking, retail, and public sector. Apply if you have: Proven 5+ years of commercial experience in building scalable web applications, backend services, and enterprise-grade systems, Strong knowledge of .NET Framework, ASP.NET MVC, Web API 2, MS SQL, Entity Framework, REST, and OData, Familiarity with Azure services and best practices (e.g., Azure App Services, Azure Functions, Cosmos DB, Azure Search, Azure Service Bus, Azure SQL), A solid understanding of Azure cloud services, microservices, and API management, Familiarity with Agile methodologies, DevOps practices, and modern software development tools, Knowledge and ability to apply Cloud Design Patterns, Experience in building Enterprise SaaS applications, Knowledge and experience of .NET / C# and design patterns: Clean Architecture, DDD, CQRS, Event Sourcing, Experience in designing and implementing REST API and GraphQL — with emphasis on enterprise-grade APIs, Knowledge of vector databases and semantic search techniques (e.g., Azure AI Search) in the context of RAG (Retrieval-Augmented Generation) systems, Knowledge of the MCP (Model Context Protocol) protocol or similar context protocols, and practical use of machine learning tools/ML/AI APIs in production environments, Experience in implementing AI API Layer solutions, Experience in designing solutions resilient to high data volumes and high availability, Experience in building application frameworks, Strong problem-solving skills, leadership qualities, and excellent communication abilities, A passion for technology and a keen eye for emerging trends, Fluency in Polish (C1+) and English (B2+), Ability to work from Białystok or surrounding areas; hybrid work model required (at least 3 days in the office + max 2 days remote per week), Higher technical education (computer science or related field). Nice to have: Familiarity with agent orchestration patterns: routing, memory management, tool use, human-in-the-loop, Experience with multi-tenant architecture — designing context separation, data isolation, and access policies in SaaS environments, Practical knowledge of conversational and dialogue models (fine-tuning, RLHF, prompt engineering for LLMs) — particularly for AI assistant scenarios. We offer: Salary of PLN 20,000–22,000 gross per month (employment contract), 18-month contract with the possibility of extension, Work and professional development while building a distributed enterprise-class cloud system based on AI as infrastructure, not as an add-on feature, Direct impact on the architecture of a platform used by hundreds of thousands of employees, Opportunity to explore Azure infrastructure solutions, the latest LLMs, and MLOps tools, Multi-directional professional development, certifications, and knowledge sharing, Flexible work model (hybrid), Benefits package (private healthcare, Multisport card).

🏢 Summary: Senior backend engineering role focused on designing and owning production-grade backend systems for AI-native enterprise platforms. The position involves building scalable services, APIs, and distributed systems while improving reliability, observability, and engineering workflows with AI tooling. The role offers high ownership, collaboration across teams, and work on AI agents and enterprise-grade infrastructure. 🗂️ Requirements: Senior-level backend engineering experience, Strong Python skills, Experience designing production backend systems, Knowledge of distributed systems, Experience with AWS, GCP, or Azure, Database schema design and performance tuning, Security-conscious engineering approach, Ability to own systems from design to production, Clear written and verbal communication, Experience using AI tools in engineering workflows, Work from Warsaw office 📃 Skills: Python, AWS, GCP, Azure, TypeScript, APIs, AI, LLM, Codex, Claude, Copilot, GitHub, SQL, Concurrency, Orchestration 🏢 Description: About Shelf The enterprise is going agentic and we are creating a unique operating system for an automated future. Most AI agents break the moment they hit real business complexity. That’s why we built a platform that models a company's policies, workflows, and operational logic into an AI Data Model. Shelf enables AI Agents to reliably reason and deliver precise and reliable outcomes at scale. We already have what most AI startups are still trying to earn: Enterprise customers such as Glovo, Nespresso, and HelloFresh, real production data, and tens of thousands of users. Customers trust us with operational knowledge: Our platform is highly reliable and secure with SOC2, HIPAA-ready security practices, and mature integrations in place. Job Description: This role is for a senior backend engineer who can design and own business-critical systems. We want someone who is strong technically, communicates clearly, and has the judgment to make systems simpler, safer, and easier to evolve over time. Expect real ownership from system design through production. The team is small enough for engineers to make real decisions. Career growth comes from ownership. Titles matter less than the scope you can carry. The people who grow fastest take responsibility for larger systems, drive customer outcomes, and strive to develop better engineering practices. You solve ambiguous problems by shaping the right architectural approach, then ship, iterate, and keep it healthy in production. We build AI-native. Engineers use Codex, Claude Code, and agents they build themselves. We invest in harness engineering through skills, CLIs, logs, traces, and orchestration. This is a role for someone in a high-growth chapter of their career, who wants to do the best work of their life, learn fast, and win as part of a team going all-in on a hard mission. Location – Warsaw, work from the office. What You Will Own Design and ship backend services, APIs, data flows, and background processing for production systems Turn vague requirements into concrete technical plans, trade-offs, and execution Own services after launch: reliability, observability, performance, and incident follow-through Instrument what you ship and use production signal to iterate, not just to keep the lights on Make sound decisions around system boundaries, data models, interfaces, and scaling paths Work closely with product, frontend, and platform engineers to deliver end-to-end outcomes Improve engineering leverage with AI tooling, automation, and internal workflows rather than using AI as a gimmick Raise the quality bar through code review, design review, and pragmatic technical leadership What Strong Performance Looks Like You reliably move important backend work forward without waiting to be tightly managed. Your systems are easier to operate and easier to change because of your design decisions. You make smart trade-offs to unblock shipping - and you stand by those decisions. You keep raising the bar on engineering excellence for yourself and everyone else. What We Are Looking For Strong senior-level backend engineering experience in production systems Strong Python skills and the ability to design clean, maintainable backend code Good distributed systems judgment: concurrency, failure handling, data consistency, async work, and service boundaries Hands-on experience with cloud infrastructure such as AWS, GCP, or Azure Comfort with database schema design and performance tuning for real-time and high throughput scenarios A security-conscious approach to engineering: you build for enterprise-grade requirements, handle sensitive data carefully, and think about the security implications of the systems and AI workflows you ship Ability to go from problem statement to design to production rollout with real ownership Clear written and verbal communication. You can explain systems, trade-offs, and incidents without hiding behind jargon AI-native working style. You already use AI tools in your daily engineering workflow, and you're excited to improve how the team builds, not just your own output: better tooling, workflows, and engineering leverage Strong Plus Experience building agentic systems: AI agents, tool-calling, orchestration, retrieval, or LLM-backed infrastructure in production Working knowledge of TypeScript or the ability to contribute across the stack when needed Experience shaping technical direction for other engineers, even without formal management responsibility How We Evaluate Fit We care more about ownership, systems judgment, and learning velocity than a perfect keyword match to our stack. If you are the kind of engineer who can take a messy problem and turn it into a strong production system, we want to talk. What Shelf Offers: B2B contract. Company Stock Options. Hardware: MacBook Pro. Modern technical stack . Develop open-source software . GitHub Copilot subscription. A strong AI-native engineering environment with modern tools and room to experiment, including Claude Code, OpenAI Codex, and GitHub Copilot. Why Shelf: Becoming one of the defining companies of the AI age is a hard plan, and our leadership team has the rare mix of deep AI, knowledge-management, and enterprise SaaS experience to actually execute it We have raised over $60 million in funding; our investors include Tiger Global, Insight Partners, Base10, and others Recognized by Gartner as a Cool Vendor, with high-velocity growth powered by the most innovative product in our category We love our customers and our customers love us. Ask a Shelf customer why, and they'll tell you it's our innovative capabilities and rock-solid reliability, that they enjoy working with our people, and most of all, the improvements they see in their business KPIs We're building fast across three hubs: our New York HQ and our Product and Engineering centers in Warsaw and Lviv

🏢 Summary: Senior Backend Engineer role focused on designing and owning production-grade backend systems for AI-native enterprise platforms. The position involves building scalable APIs, data flows, and distributed systems with strong ownership from architecture to production operations. Engineers work with AI tooling and cloud infrastructure to deliver reliable, secure, and maintainable systems in a high-growth environment. 🗂️ Requirements: Senior-level backend engineering experience, Strong Python skills, Experience designing production backend systems, Knowledge of distributed systems, Experience with concurrency and async processing, Hands-on cloud infrastructure experience, Database schema design expertise, Performance tuning for high-throughput systems, Security-conscious engineering approach, Ability to own systems from design to production, Clear written and verbal communication, Experience using AI tools in engineering workflows, Ability to work from Warsaw office 📃 Skills: Python, AWS, GCP, Azure, TypeScript, Codex, Claude, Copilot, APIs, LLM 🏢 Description: About Shelf The enterprise is going agentic and we are creating a unique operating system for an automated future. Most AI agents break the moment they hit real business complexity. That’s why we built a platform that models a company's policies, workflows, and operational logic into an AI Data Model. Shelf enables AI Agents to reliably reason and deliver precise and reliable outcomes at scale. We already have what most AI startups are still trying to earn: Enterprise customers such as Glovo, Nespresso, and HelloFresh, real production data, and tens of thousands of users. Customers trust us with operational knowledge: Our platform is highly reliable and secure with SOC2, HIPAA-ready security practices, and mature integrations in place. Job Description: This role is for a senior backend engineer who can design and own business-critical systems. We want someone who is strong technically, communicates clearly, and has the judgment to make systems simpler, safer, and easier to evolve over time. Expect real ownership from system design through production. The team is small enough for engineers to make real decisions. Career growth comes from ownership. Titles matter less than the scope you can carry. The people who grow fastest take responsibility for larger systems, drive customer outcomes, and strive to develop better engineering practices. You solve ambiguous problems by shaping the right architectural approach, then ship, iterate, and keep it healthy in production. We build AI-native. Engineers use Codex, Claude Code, and agents they build themselves. We invest in harness engineering through skills, CLIs, logs, traces, and orchestration. This is a role for someone in a high-growth chapter of their career, who wants to do the best work of their life, learn fast, and win as part of a team going all-in on a hard mission. Location – Warsaw, work from the office. What You Will Own Design and ship backend services, APIs, data flows, and background processing for production systems Turn vague requirements into concrete technical plans, trade-offs, and execution Own services after launch: reliability, observability, performance, and incident follow-through Instrument what you ship and use production signal to iterate, not just to keep the lights on Make sound decisions around system boundaries, data models, interfaces, and scaling paths Work closely with product, frontend, and platform engineers to deliver end-to-end outcomes Improve engineering leverage with AI tooling, automation, and internal workflows rather than using AI as a gimmick Raise the quality bar through code review, design review, and pragmatic technical leadership What Strong Performance Looks Like You reliably move important backend work forward without waiting to be tightly managed. Your systems are easier to operate and easier to change because of your design decisions. You make smart trade-offs to unblock shipping - and you stand by those decisions. You keep raising the bar on engineering excellence for yourself and everyone else. What We Are Looking For Strong senior-level backend engineering experience in production systems Strong Python skills and the ability to design clean, maintainable backend code Good distributed systems judgment: concurrency, failure handling, data consistency, async work, and service boundaries Hands-on experience with cloud infrastructure such as AWS, GCP, or Azure Comfort with database schema design and performance tuning for real-time and high throughput scenarios A security-conscious approach to engineering: you build for enterprise-grade requirements, handle sensitive data carefully, and think about the security implications of the systems and AI workflows you ship Ability to go from problem statement to design to production rollout with real ownership Clear written and verbal communication. You can explain systems, trade-offs, and incidents without hiding behind jargon AI-native working style. You already use AI tools in your daily engineering workflow, and you're excited to improve how the team builds, not just your own output: better tooling, workflows, and engineering leverage Strong Plus Experience building agentic systems: AI agents, tool-calling, orchestration, retrieval, or LLM-backed infrastructure in production Working knowledge of TypeScript or the ability to contribute across the stack when needed Experience shaping technical direction for other engineers, even without formal management responsibility How We Evaluate Fit We care more about ownership, systems judgment, and learning velocity than a perfect keyword match to our stack. If you are the kind of engineer who can take a messy problem and turn it into a strong production system, we want to talk. What Shelf Offers: B2B contract. Company Stock Options. Hardware: MacBook Pro. Modern technical stack . Develop open-source software . GitHub Copilot subscription. A strong AI-native engineering environment with modern tools and room to experiment, including Claude Code, OpenAI Codex, and GitHub Copilot. Why Shelf: Becoming one of the defining companies of the AI age is a hard plan, and our leadership team has the rare mix of deep AI, knowledge-management, and enterprise SaaS experience to actually execute it We have raised over $60 million in funding; our investors include Tiger Global, Insight Partners, Base10, and others Recognized by Gartner as a Cool Vendor, with high-velocity growth powered by the most innovative product in our category We love our customers and our customers love us. Ask a Shelf customer why, and they'll tell you it's our innovative capabilities and rock-solid reliability, that they enjoy working with our people, and most of all, the improvements they see in their business KPIs We're building fast across three hubs: our New York HQ and our Product and Engineering centers in Warsaw and Lviv