April 27, 2026

Principal Software Engineer (.NET/Azure)

Senior • Remote

Warsaw, Poland

Our Client's Technology group is at the forefront of innovation, building cutting-edge AI-powered solutions that transform how they do business. They are a dynamic, global, collaborative team of engineers, data scientists, and product managers passionate about using technology (especially generative AI) to solve complex challenges.

In the Client's Technology space, we are looking for a person with senior commercial experience in software projects. The ideal profile is: an active full stack software developer with solid experience in an IT architect / IT Tech Lead role and some experience in the Team Lead role. The person will fulfil a key technical role in the client's platform environment with influence on strategic directions and managerial responsibility for a given area within this project. The responsibility scope will include: technology (Tech Lead) and the engineering team (Team Lead).

The project is an in-house built Client platform for a tax practice to facilitate delivering tax consulting services to external clients.

Daily you will drive end-to-end design, development, and deployment activities of next-generation AI driven tax technology solutions. You will leverage the latest Gen AI tools and agentic development techniques to build smarter, customer-oriented systems. You will work on a variety of challenging projects from enhancing our core platform’s infrastructure to implementing new features using AI agents while collaborating with stakeholders to ensure our solutions meet business needs and quality standards. This position offers an opportunity to redefine how software is built by integrating AI assistants and multi-agent workflows into the development lifecycle.

Responsibilities:

  • Lead the design (whole components and particular features), development, and deployment of new solutions

  • Proposing improvements to technical standards and delivery processes, promoting good practices in cooperation with other Tech Leads in Global Tax Technology

  • Facilitating collaboration with Product Owners/Managers on product roadmaps, in alignment with other Tech Leads in Global Tax Technology, and overseeing solution implementation

  • Lead and mentor other Software Developers and Quality Analysts, support code and test plan reviews

  • Monitor solution compliance with internal tax platform technical standards/security requirements, facilitate timely issue resolution , and facilitate other DevOps tasks

  • Support incident and problem management: help the platform L3 Support in Production issue troubleshooting, and facilitate resolution

  • Stay up to date on the latest trends and technologies in AI and fullstack development by keeping current with new AI frameworks, agent platforms, CLI toolkits, and best practices in the industry. Leverage and promote GenAI usage in daily work and educate others on new ways of working.

Requirements (must have):

  • 12+ years of experience in software projects within a global environment and a complex organization, including communicating directly to Business (end-users) or their representative and senior stakeholders

  • 5+ years of experience as an IT architect / IT Tech Lead, applying best practices including Agile, DDD, microservices, CQRS, CLEAN, and SOLID

  • Proficiency in RESTful Web app development using C#/.NET, Python, and front-end technologies such as React, Angular, or Vue.js

  • Proficiency in the Microsoft Azure and M365 cloud platforms, as well as Azure Stack: Functions, Service Bus or Event Hub, App Services, SQL/MongoDB

  • Experience with AI-enabled development tools and agents such as GitHub Copilot, Cursor, OpenAI Codex, Claude Code, Gemini CLI, Antigravity, etc.

  • Experience using test-driven and spec-driven development practices with tools such as Playwright, MS Test, Fluent, NUnit, K6, SpecKit, BMAD, etc.

  • Experience with DevOps technologies is a must

Recruitment process:

  1. Call with Shimi recruiter (20 min)

  2. Interview #0 (30 min) introduction, soft skills, English

  3. Interview #1 (60 min) programming tech-check

  4. Interview #2 (45-60 min) tech lead/architect check

  5. Interview #3 (45-60 min) fit for team (area) check

Offer:

  • Fully remote position

  • B2B contract

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Remote

160 - 190 PLN

🏢 Summary: Remote Team Lead Software Development role focused on leading a cross-functional engineering team while staying hands-on with backend and web service architecture and implementation in a .NET environment. The position combines technical leadership, product collaboration, and ownership of architectural decisions in an agile setup. You will drive engineering quality, technical standards, and team growth while contributing directly to code and system design. 🗂️ Requirements: Several years of experience in software development with .NET / C#, Minimum 3 years of experience leading development teams, Strong knowledge of software design patterns, Strong understanding of system architecture, Experience with modern engineering practices, Hands-on experience with backend and web services development, Experience using AI in software development process, Fluent English 📃 Skills: .NET, C#, AI, Elasticsearch, RabbitMQ, Redis, Azure, CI/CD, Umbraco, Containers, Backend, WebServices, Architecture, Agile 🏢 Description: Does building awesome, innovative products that add up to something meaningful sound like a dream come true? Come join us and make that vision a reality! About We are looking for an experienced Team Lead Software Development who combines strong technical expertise with leadership skills and a product-oriented mindset. In this role, you will take ownership of development teams, supporting both its technical direction and people development. You will lead a cross-functional engineering team of around 7–9 people , including Frontend, Backend, and QA specialists. The team works in an agile setup and collaborates closely with a Product Owner, UX Design, DevOps, and ITOps. Responsibilities Lead, coach, and support the development of your engineering team Help your team grow into a high-performing, self-organized unit Act as a sparring partner for the Product Owner and actively contribute to roadmap planning and prioritization Stay hands-on with the design, architecture, and implementation of backend and web services Make and own technical decisions, while communicating them clearly to stakeholders Improve agile processes within the team and continuously optimize the way of working Contribute to solution and domain design Strengthen engineering quality, good practices, and technical standards Take part in recruitment interviews and support the further development of the team Our offer Competitive salary on B2B contract Fully remote position Real impact and independence at work Individual career path Work-life balance A non-corporate atmosphere where innovation, personal growth, and teamwork thrive 100+ smart, curious & ambitious engineers What you bring Several years of experience in software development with .NET / C# At least 3 years of experience leading development teams, both technically and people-wise Experience using AI in the software development process Strong understanding of software design patterns, system architecture, and modern engineering practices A hands-on approach and the ability to stay close to the code when needed Strong communication skills and the ability to explain technical topics clearly to both technical and non-technical stakeholders A pragmatic mindset — you care about quality, but you also understand business priorities Fluent English, German is a plus Nice to have Experience with Elasticsearch, RabbitMQ, Redis, containers, Azure Cloud, CI/CD, Umbraco Experience working in a scale-up environment Knowledge of the financial market or financial products Benefits International Projects Small Teams Flat Structure Friendly Atmosphere Flexible Hours Individual Career Path We want your TALENT! Don’t hesitate and APPLY! We are happy to tell you more details about this position in a phone call. Our recruitment process is very fast and straightforward to ensure a great experience from the first interview to joining your dream team!

Technology

Sii

Tech Lead Fullstack with .NET and Angular (f/m/x)

Senior

Remote

Bialystok, PD, Poland

🏢 Summary: Tech Lead role focused on designing and delivering backend-centric, cloud-based solutions for a custom industrial application covering end-to-end logistics, production, and shipment processes. The position combines strong .NET backend expertise with Angular fullstack work, emphasizing Domain Driven Design, Clean Architecture, and microservices. The role requires technical ownership, architectural decision-making, and pragmatic delivery within a European team. 🗂️ Requirements: Minimum 7 years of commercial experience in .NET development, Experience in senior or Tech Lead role, Strong backend expertise, Hands-on Fullstack experience with Angular, Experience with cloud-native architectures, Knowledge of Domain Driven Design, Knowledge of Clean Architecture, Experience with microservices, Experience with API design, Practical use of AI tools in development, Fluent English, Residence in Poland 📃 Skills: .NET, Angular, C#, Cloud, Microservices, APIs, DDD, Architecture, AI, Git 🏢 Description: We are looking for an experienced Tech Lead to join a European team working on a custom-built solution for the industrial/manufacturing sector. The application supports an end-to-end process—from logistics, through production, to final shipment—ensuring full traceability and process control. This role is strongly backend- and cloud-focused and requires a pragmatic, delivery-oriented mindset. Your tasks Design, develop, and maintain backend-centric fullstack solutions using .NET and Angular Take ownership of technical decisions with a strong focus on backend architecture and cloud-based solutions Build and evolve systems based on Domain Driven Design and Clean Architecture Design, develop, and maintain microservices, APIs, and integration layers Ensure code quality through unit tests and architectural consistency Plan and realistically deliver roadmap items, focusing on feasibility, prioritization, and execution Requirements Minimum 7 years of commercial experience in .NET development, including senior or tech lead responsibilities Strong backend expertise combined with hands-on experience as a Fullstack Developer (Angular) Solid understanding of cloud-native architectures and modern backend systems Solid understanding of Domain Driven Design, Clean Architecture, microservices, and API design Practical experience using AI tools in daily development work (e.g., AI copilots, AI-assisted coding, AI-driven workflows) Pragmatic, realistic engineering mindset focused on delivery, planning, and rational decision-making Ability to take ownership of complex topics and drive them to completion Fluency in English Residing in Poland required

Technology

Link Group

Tech Lead Devops

Senior

Remote

Krakow, Poland

170 - 200 PLN

🏢 Summary: DevOps Tech Lead role focused on leading two teams to design, build, and maintain scalable cloud infrastructure and data platforms on GCP. The position combines hands-on DevOps engineering with architecture oversight, ensuring reliable CI/CD pipelines, infrastructure as code, and secure cloud-native environments. Close collaboration with engineering and business stakeholders is required to deliver robust, production-ready solutions. 🗂️ Requirements: Proven experience in DevOps Engineer or DevOps Lead role, Strong hands-on experience with Google Cloud Platform, Experience designing and maintaining CI/CD pipelines, Advanced knowledge of Terraform and Infrastructure as Code, Experience with cloud-native and container-based environments, Understanding of solution architecture principles, Experience with authentication and identity management systems, Ability to lead technical discussions and guide DevOps teams 📃 Skills: GCP, GitHub, GitHubActions, AzureDevOps, Terraform, CI/CD, CloudRun, IaC, SSO, PingID, Containers 🏢 Description: About the Role We are looking for an experienced DevOps Tech Lead to guide and coordinate the work of two DevOps-focused teams responsible for building and maintaining modern cloud infrastructure and data platforms. In this role, you will combine technical leadership, architecture oversight, and hands-on DevOps expertise to ensure scalable, secure, and reliable delivery pipelines. You will work closely with engineering, data, and business stakeholders to translate requirements into robust technical solutions, while supporting teams in building and maintaining high-quality cloud environments. Key Responsibilities Technical Leadership Provide technical leadership for two DevOps teams working on cloud infrastructure, pipelines, and data platform components. Support engineers in designing scalable and maintainable cloud architectures. Guide teams in implementing best practices in DevOps, CI/CD, and infrastructure automation. Ensure consistency of architecture, tooling, and development standards across teams. DevOps & Cloud Engineering Design and oversee CI/CD pipelines using GitHub , GitHub Actions , and Azure DevOps . Build and maintain infrastructure on Google Cloud Platform , including services such as Google Cloud Run . Implement Infrastructure as Code using Terraform . Ensure reliable, automated deployment processes and maintain DevOps pipelines across environments. Support integration of authentication and identity services such as PingID and SSO solutions. Architecture & Data Platforms Contribute to solution architecture decisions for cloud-native platforms and data-driven systems. Support the development of data pipelines and analytical environments , particularly in domains related to life sciences or bioinformatics. Collaborate with architects and engineering teams to ensure alignment between architecture and delivery. Business & Stakeholder Collaboration Work closely with business analysts and stakeholders to translate business needs into technical solutions. Ensure clear communication between architecture, DevOps, and product teams. Facilitate technical discussions and support decision-making for complex technical challenges. Required Skills & Experience Proven experience in a DevOps Engineer, DevOps Lead, or DevOps Tech Lead role. Strong hands-on experience with Google Cloud Platform . Experience designing and maintaining CI/CD pipelines with GitHub , GitHub Actions , and Azure DevOps . Advanced knowledge of Terraform and Infrastructure as Code practices. Experience working with cloud-native services and container-based environments. Understanding of solution architecture principles . Experience working with authentication and identity management (SSO, PingID or similar tools). Strong problem-solving skills and ability to lead technical discussions. Experience collaborating with business stakeholders and cross-functional teams.

Technology

Klient justjoin.it

Lead / Tech Lead (.NET)

Senior

On-site

Gdynia, Poland

30,000 - 32,000 PLN

🏢 Summary: Tech Lead role responsible for leading the architecture and evolution of a key business system in a logistics environment, covering both legacy (.NET Framework) and modern (.NET 6/8, Docker, async) components. The position focuses on system audit, refactoring, technological decision-making, and guiding architectural standards during a technology transformation. Strong ownership over monolith and service-based architecture is required. 🗂️ Requirements: 6–8+ years of experience in .NET development, Strong knowledge of .NET Framework (ASP.NET MVC, WebForms), Strong knowledge of .NET Core / .NET 6+, Proficiency in C#, Strong knowledge of SQL Server, Experience with legacy systems, Ability to analyze and refactor existing code, Experience in code review and technology audits, Knowledge of event-driven and asynchronous architecture, Understanding of technical debt impact, English proficiency B2/C1 📃 Skills: .NET, ASP.NET, WebForms, C#, SQL, SQLServer, RabbitMQ, Docker, CI/CD, Microservices, Monolith, EventDriven, Async 🏢 Description: Dynamicznie rozwijająca się organizacja z obszaru logistyki poszukuje osoby na stanowisko Tech Lead, która przejmie odpowiedzialność za rozwój i architekturę kluczowego systemu biznesowego. Środowisko obejmuje zarówno rozwiązania legacy (.NET Framework), jak i nowoczesne komponenty (.NET 6/8, Docker, komunikacja asynchroniczna). Zakres obowiązków Odpowiedzialność za architekturę systemu (monolit + usługi) Audyt istniejącego kodu, bazy danych i integracji Identyfikacja oraz priorytetyzacja długu technologicznego Podejmowanie decyzji technologicznych (rozwój / utrzymanie / wygaszanie komponentów) Współpraca z zespołem developerskim oraz biznesem Przejmowanie wiedzy od obecnego dostawcy systemu Definiowanie standardów developmentu i kierunku rozwoju architektury Wymagania Min. 6–8 lat doświadczenia w developmentcie .NET Bardzo dobra znajomość: .NET Framework ( ASP.NET MVC / WebForms) .NET Core / .NET 6+ C# SQL Server Doświadczenie w pracy z systemami legacy Umiejętność analizy i refaktoryzacji istniejącego kodu Doświadczenie w code review / audycie technologicznym Znajomość architektury event-driven / async (np. RabbitMQ) Rozumienie wpływu długu technologicznego na biznes Znajomość języka angielskiego na poziomie umożliwiającym sprawną komunikację (B2/C1) Mile widziane Doświadczenie w systemach ERP / logistycznych / integracyjnych Znajomość Docker / CI/CD Doświadczenie w architekturze hybrydowej (monolit + usługi) Oferujemy Realny wpływ na architekturę i kierunek rozwoju systemu Udział w transformacji technologicznej Stabilne środowisko pracy i długofalowe projekty Współpracę z zespołem technicznym i decyzyjność