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Search for Mid-Level Fullstack .NET Developer at VIATechnik | Remote

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VIATechnik logo
Full-time|PLN 110K/yr - PLN 168K/yr|Remote|Polska - zdalnie

VIATechnik is seeking a Mid-Level Fullstack .NET Developer to join its remote team in Poland. This role centers on building solutions for the engineering sector alongside colleagues who value collaboration and growth. Role overview Work with a team of professionals to develop and maintain fullstack applications using .NET technologies. The position involves …

Apr 29, 2026
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Code & Pepper logo
Full-time|Remote|Praca zdalna

At Code & Pepper, we empower clients in industries where mediocrity is not an option. We assist them in scaling teams and developing innovative products.Currently, we are building the Special Procedures Settlement System (RPS) - a platform for the Ministry of Finance that enables electronic monitoring and settlement of customs procedures. This enterprise-level system is developed using .NET 8 / ASP.NET Core, React, and PostgreSQL, and integrates with various external systems.

Nov 19, 2025
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MARGO Group logo
Full-time|On-site|Warsaw

About Us:MARGO Group is a leading international IT consulting firm established in 2005 in Paris, with additional offices in London and Warsaw. We excel in IT outsourcing and the provision of highly skilled professionals for intricate technology projects throughout Europe. Our commitment at MARGO is to foster long-lasting partnerships, uphold transparency, and encourage continuous growth and development.

Jan 22, 2026
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Altersolutions logo
Full-time|On-site|Warsaw

Join our dynamic team at Altersolutions as a Fullstack .NET Angular Developer! In this role, you will have the opportunity to work with cutting-edge technologies and contribute to innovative projects that impact our clients positively. Collaborate with cross-functional teams to design, develop, and implement robust applications that meet business requirements.

May 13, 2025
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altersolutions logo
Full-time|On-site|Warsaw

Dołącz do naszego zespołu jako Fullstack Developer (.NET + Angular) i pracuj z wiodącym klientem w branży ubezpieczeniowej. Będziesz odpowiedzialny za projektowanie oraz rozwijanie nowoczesnych aplikacji, które spełniają potrzeby naszych klientów. Jeśli posiadasz doświadczenie w .NET oraz Angular, ta oferta jest dla Ciebie!

Oct 23, 2025
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margo-group logo
Full-time|On-site|Warsaw

Join margo-group as a Fullstack Developer specializing in .NET and Angular, focusing on cloud-native applications. In this role, you will collaborate with cross-functional teams to design, develop, and deploy robust applications that leverage the power of cloud technology. If you are passionate about innovative software solutions and enjoy working in a dynamic environment, we want to hear from you!

Mar 30, 2026
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Veepee logo
Permanent|On-site|Warsaw

As a trailblazer in online flash sales since 2001, Veepee stands as a cornerstone in the European e-commerce landscape, partnering with over 7,000 brands to deliver exceptional deals on a wide array of products for a limited time. With a remarkable turnover of 3.3 billion euros incl. VAT in 2024, Veepee boasts a dynamic workforce of 5,000 employees across 10 countries, operating in sectors such as fashion, home, wine, travel, and beauty. JOB DESCRIPTIONWe are excited to invite an experienced Backend/Full Stack Developer to join our innovative Logistics Tooling team at VeepeeTech. This pivotal role involves developing cutting-edge solutions that enhance warehouse operations and optimize the Veepee return process, ensuring an efficient and seamless experience for our customers.

Aug 13, 2025
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nix logo
Full-time|On-site|Poland

About Our Client:Our client is a leading provider of operational support and expert services for top insurers, brokers, fleet managers, and automotive manufacturers globally. With a team of 3,300 professionals distributed across ten countries, they uphold exceptional standards for over 1,200 clients. Their solutions empower the global insurance sector to manage millions of claims annually in the most efficient and cost-effective manner. As they embark on an ambitious transformation program, their innovative software solutions, leveraging cloud computing and advanced design patterns, are pivotal to this strategy.Role Overview:This is an exciting opportunity for a seasoned Lead Full Stack Engineer to become a vital part of our Software Development team within one of our established Scrum teams. Each agile team comprises roles in technical leadership, development, architecture, QA, product, and project management. We seek a robust engineering leader who merges extensive hands-on development experience with an AI-first approach. This role demands an AI Champion who actively integrates AI tools throughout the Software Development Life Cycle, enhancing engineering productivity, quality, and delivery standards through responsible AI adoption. You will be responsible for developing high-performance applications, including high-traffic customer-facing platforms, while also serving as a catalyst for engineering excellence by introducing modern practices, tools, and methodologies.

Mar 31, 2026
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Talan logo
Full-time|On-site|Warsaw

Role overview Talan is seeking a Mid-Level Backend Spark Developer to join the team in Warsaw. This role centers on building and maintaining backend systems, with Apache Spark as a primary tool. The work directly supports ongoing projects and plays a key part in meeting team objectives. What you will do Develop backend solutions that use Spark as a central technology Collaborate with colleagues from various disciplines to deliver dependable software Support project progress by helping meet milestones and upholding technical standards Location This position is based in Warsaw.

Apr 23, 2026
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Chooose logo
Contract|$50K/yr - $50K/yr|Remote|Remote PL

At Chooose, we are pioneering software solutions designed to facilitate low-carbon fuel value chains in challenging sectors.Our platform is utilized by industry leaders such as Delta Air Lines, Cathay Pacific, British Airways, and Microsoft to develop, manage, and expand their sustainable aviation fuel (SAF) initiatives, as well as to drive both voluntary and compliance-oriented carbon management efforts.With our headquarters in Miami and Oslo, and a dedicated remote workforce across the US and Europe, Chooose is committed to delivering enterprise-grade software products that empower our partners to effectively scale their carbon programs while engaging their supply chains. We are proud to have raised $50 million from top-tier venture capital and strategic investors.This position is available exclusively as a B2B arrangement.Position OverviewWe are in search of an innovative Fullstack Developer who is enthusiastic about embracing new technologies, is willing to experiment, and has a strong desire to learn. The ideal candidate will be proactive, capable of taking initiative, and making informed decisions.This role is remote, requires a commitment of approximately 40 hours per week, and candidates must be based in Poland.

Feb 12, 2026
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Jobs for Humanity logo
Full-time|On-site|Warsaw

Join our dynamic team at Jobs for Humanity as a Mid-Level Full-Stack Developer. In this role, you will play a pivotal role in developing and maintaining web applications that make a difference for job seekers around the world. You will work on both front-end and back-end development, collaborating with cross-functional teams to deliver high-quality software solutions.

Jan 21, 2026
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MARGO Group logo
Full-time|On-site|Warsaw

Join MARGO as a Senior Fullstack .NET Developer!Are you passionate about technology and looking to make an impact in the field of IT consulting? MARGO, an international leader in IT consulting, is seeking a Senior Fullstack .NET Developer with Angular expertise to join our dynamic team in Warsaw. Established in 2005 in Paris, with additional offices in London and Warsaw, we pride ourselves on providing top-tier IT experts for complex enterprise projects across Europe. At MARGO, we are committed to building long-lasting partnerships, ensuring transparency in our processes, and maintaining technical excellence in everything we do.

Jan 22, 2026
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altersolutions logo
Full-time|On-site|Warsaw

The project involves enhancing the architecture of a system that supports clients in branches and partner locations.RESPONSIBILITIES:Participate in architectural changes to the system.Implement new functionalities using Angular 19 and Java 21.Refactor existing code for improved performance.Create integrations with REST services.Optimize performance and implement security solutions.Assist in designing and documenting technical specifications.

Jul 31, 2025
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Everfield logo
Full-time|Remote|Poland- Remote

About EverfieldAt Everfield, we acquire, develop, and scale European companies specializing in software solutions for vertical markets, providing them with the necessary tools to reach the next level of growth. Our mission is to support ambitions, drive growth, and open new opportunities for the European software ecosystem.Our ecosystem operates in a decentralized model, allowing companies to retain their teams, brands, and offices while focusing on what they do best: creating products and supporting clients. Everfield offers assistance in recruitment, HR, and access to expert teams specializing in building and developing European B2B SaaS companies, advising on financial and operational matters.Founded in 2022, Everfield has a presence in 7 countries and is continuously expanding.About the RoleGrafik Optymalny is a SaaS product designed for workforce scheduling in compliance with labor laws, taking into account employee preferences and availability, alongside business objectives. Our product focuses on three key industries: retail, HoReCa, and manufacturing, collaborating with companies employing over 300 individuals.We are seeking a seasoned .NET Developer to help enhance our solutions in alignment with market expectations and the needs of our key clients. This position is fully remote, allowing for flexibility and work-life balance.

Mar 18, 2026
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bee-talents logo
Full-time|£80K/yr - £120K/yr|Remote|Remote but only within Poland

About UsAt Bee Talents, we are a leading IT recruitment agency dedicated to connecting global clients with top-tier technical talent since 2015. We are excited to initiate the recruitment process for our esteemed client, Symbe. Symbe is an innovative startup in the realm of business intelligence, specializing in automating business case creation for sales teams. By leveraging their platform, clients such as Salesforce, Stripe, and Hubspot can effectively showcase value and engage CFOs throughout the sales process. With over a year in the market, Symbe has earned the trust of prominent global brands.

Mar 25, 2026
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Code & Pepper logo
Full-time|Remote|Praca zdalna

At Code & Pepper, we are dedicated to assisting clients from sectors where mediocrity has no place. We empower them to scale teams and innovate by creating and developing new products.We are currently developing the Special Procedures Settlement System (RPS) – a platform for the Ministry of Finance that enables electronic monitoring and settlement of customs procedures. This enterprise-class system is built on .NET 8 / ASP.NET Core and PostgreSQL, featuring integrations with various external systems.

Dec 11, 2025
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Code & Pepper logo
Full-time|Remote|Praca zdalna

At Code & Pepper, we empower clients across industries where mediocrity has no place—namely FinTech, HealthTech, and AI. Our mission is to assist them in scaling their teams, enhancing their platforms, and delivering features that truly matter.Currently, we are collaborating with a client on a tool designed to help companies in complex supply chains accurately calculate CO₂ emissions—not just their own, but those of suppliers and partners as well.This platform integrates transactional, operational, and supplier data, calculates emissions according to recognized standards, and highlights where meaningful action can be taken. It’s utilized by companies in industries such as manufacturing, logistics, and raw materials—those that have a significant impact on the climate and must comply with new regulations (e.g., CBAM). This is not just another dashboard; it’s a concrete solution for managing emissions seriously.Does this sound intriguing? Let us know—we’d love to share more!

Feb 3, 2026
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Telemedi logo
Full-time|Remote|Remote — Warsaw, Masovian Voivodeship, Poland

Welcome to the new era of software development at Telemedi! We are at the forefront of transforming the development process. By harnessing cutting-edge technologies combined with technical expertise and exceptional commitment, we strive to build more, faster, and better than ever before.Our developers utilize Cursor AI (cursor.com) — an IDE that completely changes the programming paradigm. In just a few hours, we accomplish what would take other developers several days. We expect you to do the same.Join us if:You are eager to work in a product-driven company where your contributions lead to tangible results.You thrive in a dynamic environment filled with activity.You take ownership of your work and the team’s outcomes.You embrace challenges and can navigate complex applications with ease.You enjoy understanding the business side and communicate effectively across teams.You create high-quality applications and features quickly and efficiently.You are confident in your technical skills and can enhance application standards, including improving legacy code.You are proactive in optimizing processes within your surroundings.Your responsibilities include:Participating in the development of IT solutions from start to finish (here, IT is not a “silo”).Enhancing web applications (adding new features, bug fixing, refactoring).Contributing to the design of new solutions and development infrastructure.Engaging in code reviews and ensuring the quality of created solutions.Constantly raising the standards of development processes.Collaborating closely with the team (Developers, PMs/POs, QAs).Maintaining high programming quality and a swift task delivery pace (both individually and as a team).Requirements:Experience with modern AI tools in programming (such as Cursor/Windsurf - GitHub Copilot is not sufficient). While prior experience isn't mandatory, a solid understanding and practice with the paradigm are essential.A minimum of 3 years of commercial experience working with PHP, specifically with Symfony or a similar framework.A minimum of 1 year of commercial experience with React.js framework, including some experience with TypeScript.Practical knowledge of design patterns and best programming practices (SOLID, KISS, DRY, etc.).Proficiency with version control systems, such as Git.A sense of ownership, independence, and responsibility for assigned tasks.Attention to detail and diligence in work (both individually and in a team).Fluency in Polish.Preferred qualifications:Familiarity with performance and optimization issues related to web applications.

Jan 14, 2025
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Box Inc. logo
Full-time|On-site|Warsaw, Poland

Join Box Inc. as a Mid-Level Java Engineer and take part in building innovative solutions that streamline processes and enhance user experiences. You will collaborate with a team of talented developers, contributing to the design, development, and maintenance of high-quality software applications.We value creativity, teamwork, and a passion for technology. If you are eager to tackle challenging problems and develop your skills in a supportive environment, we would love to hear from you!

Apr 7, 2026
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Lingarogroup logo
Full-time|On-site|Poland

At Lingarogroup, we are dedicated to fostering a culture of growth through diversity, equity, and inclusion. As an ethical company, we prioritize doing what is right, ensuring equal opportunities for all and cultivating a safe and respectful workplace. We believe that diversity is a catalyst for both personal and organizational growth. Join us in our commitment to building an inclusive community where everyone can thrive, regardless of their backgrounds, identities, or personal characteristics.

Mar 11, 2026

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