Junior Rust Developer

🏢 Summary: Senior Software Engineer role focused on building and scaling a high-performance, AI-supported trade management platform using C#/.NET in distributed, event-driven systems. The position involves designing scalable backend services, optimizing performance, and collaborating in a multi-language environment including Rust. Strong emphasis is placed on scalability, reliability, and cloud efficiency in production systems. 🗂️ Requirements: 5+ years of software engineering experience, Strong C#/.NET experience in production systems, Strong system design fundamentals, Strong knowledge of concurrency, Experience with performance optimization, Experience with distributed systems, Experience with cloud platforms (AWS preferred), Willingness to work with Rust, Practical use of AI tools in development workflows 📃 Skills: C#, .NET, Rust, AWS, Kafka, RabbitMQ, AI, Concurrency, DistributedSystems, Cloud, SystemDesign 🏢 Description: Senior Software Engineer C# (AI-driven systems) We are looking for an experienced Software Engineer with strong expertise in C#/.NET and a solid understanding of system design, who is open to working in a modern, multi-language environment that includes Rust. This role focuses on building and scaling a high-performance trade management platform processing large volumes of data in distributed, event-driven systems. You will work in a highly performance-driven environment with a strong emphasis on scalability, reliability, and engineering excellence. Key Responsibilities Develop and optimize high-performance backend systems in C#/.NET Design and maintain scalable distributed services Collaborate with Rust engineers and contribute to cross-language system development Use AI tools to accelerate development, testing, and debugging Own solutions end-to-end, from design through to production Improve system performance, reliability, and cloud efficiency Requirements 5+ years of experience in software engineering Strong C#/.NET development experience (production systems) Strong fundamentals in system design, concurrency, and performance Willingness to work with Rust in a production environment Experience with distributed systems and cloud platforms (preferably AWS) Practical use of AI tools in development workflows Nice to have Experience with messaging systems (Kafka, RabbitMQ, etc.) Exposure to financial systems or trading environments 2. Senior Rust Engineer (AI-driven systems) We are looking for an experienced Rust Engineer who combines strong systems engineering skills with a modern, AI-supported development approach, and is open to working in a multi-language environment that includes C#/.NET. This role focuses on building and scaling a high-performance trade management platform processing large volumes of data in distributed, event-driven architectures. The environment is highly performance-focused, with strong requirements around scalability, reliability, and low-latency processing. Key Responsibilities Develop and optimize high-performance backend systems in Rust Design and maintain scalable distributed services Collaborate with C# engineers and contribute to cross-stack system design Use AI tools to accelerate development, testing, and debugging Own solutions end-to-end, from architecture to production Improve system performance, reliability, and cloud efficiency Requirements 5+ years of experience in software engineering Strong Rust experience in production systems Strong fundamentals in system design, concurrency, and performance Willingness to work with C#/.NET in a hybrid environment Experience with distributed systems and cloud platforms (preferably AWS) Practical use of AI tools in development workflows Nice to have Experience with messaging systems (Kafka, RabbitMQ, etc.) Exposure to financial systems or trading environments

🏢 Summary: Development of scalable, cloud-native applications using C#/.NET in a microservices architecture on Microsoft Azure. The role focuses on building high-performance, containerized systems, ensuring quality through CI/CD practices, and optimizing performance in modern cloud environments. Position requires strong engineering expertise and experience in travel-related solutions. 🗂️ Requirements: 5+ years experience with C# and .NET, 3+ years experience developing travel-related solutions, Experience with modern cloud architectures, Expertise in Microsoft Azure, Experience with containerized applications, Experience with SQL and NoSQL databases, Strong knowledge of microservices architecture, Understanding of API design principles, Knowledge of clean architecture and SOLID principles, Experience with CI/CD practices 📃 Skills: C#, .NET, Azure, SQL, NoSQL, Microservices, Containers, APIs, CI/CD, SOLID 🏢 Description: Our Client is a rapidly growing European technology company developing advanced digital solutions used by thousands of customers worldwide. The organization focuses on building scalable platforms and innovative products that support operational efficiency and business growth. Their engineering teams work in modern cloud environments and emphasize quality, user experience, and continuous delivery. The company operates internationally and continuously invests in product development and technology excellence. 📍 Location: Warsaw - once per week in the office 🚀 Your responsibilities Develop clean, scalable code using C# / .NET in microservices architecture and cloud-native environments Test and deploy systems and applications on Microsoft Azure Monitor and optimize system performance , identifying and resolving issues proactively Act as a technical expert for the system and support other internal teams Work in an Agile squad , with strong focus on user experience, quality assurance, and CI/CD practices Contribute to the engineering culture by sharing knowledge and applying best practices Work on projects that directly impact the company’s growth and product development 🎯 Our requirements 5+ years of professional experience in software development using C# / .NET and modern cloud architectures 3+ years of experience developing travel-related solutions Strong understanding of core software engineering principles and API design Proven expertise in building and managing high-performance containerized applications on Microsoft Azure Experience designing and managing SQL and NoSQL databases Deep understanding of microservices architecture, clean code, clean architecture, and SOLID principles Professional English proficiency ⭐ Nice to have Working knowledge of Angular / AngularJS Familiarity with AI tools supporting development workflows Experience working in Agile / Scrum environments Thank you for all applications. We will contact selected candidates. TQLO Sp. z o.o. – Employment Agency (KRAZ 33580)

🏢 Summary: Senior Software Engineer role focused on building and scaling a high-performance, AI-supported trade management platform using Rust and C#. The position involves designing distributed, event-driven systems with strong emphasis on performance, scalability, and reliability. The engineer will own solutions end-to-end and optimize cloud-based backend systems. 🗂️ Requirements: 5+ years of software engineering experience, Strong system design knowledge, Strong understanding of concurrency, Strong understanding of performance optimization, Hands-on Rust experience in production, Familiarity with C#/.NET, Experience with distributed systems, Experience with cloud platforms (preferably AWS), Practical use of AI tools in development workflows 📃 Skills: Rust, C#, NET, AWS, Kafka, RabbitMQ, AI, DistributedSystems, Concurrency, PerformanceOptimization 🏢 Description: Senior Software Engineer C# (AI-driven systems) We are looking for an experienced Software Engineer who combines strong system design skills with a modern, AI-supported development approach. This role focuses on building and scaling a high-performance trade management platform, primarily in Rust, with some exposure to C#/.NET. You will work on distributed, event-driven systems processing large volumes of data, with a strong focus on performance, scalability, and reliability. Key Responsibilities Develop and optimize high-performance backend systems Design and maintain scalable distributed services Use AI tools to accelerate development, testing, and debugging Own solutions end-to-end, from design to production Improve system performance and cloud efficiency Requirements 5+ years of experience in software engineering Strong fundamentals in system design, concurrency, and performance Hands-on experience with Rust (production level) Familiarity with C#/.NET Experience with distributed systems and cloud (preferably AWS) Practical use of AI tools in development workflows Nice to have Experience with messaging systems (Kafka, RabbitMQ, etc.) Exposure to financial systems or trading environments

🏢 Summary: Senior Full-Stack Engineer role with a 50/50 backend and frontend focus, building scalable microservices-based applications using ASP.NET (C#) and React with TypeScript in a cloud-native environment. The position involves designing and maintaining REST APIs, developing responsive user interfaces, ensuring high test coverage, and contributing to architectural decisions with strong technical ownership. Poland-based employment (Umowa o Pracę) with remote flexibility and quarterly in-person collaboration. 🗂️ Requirements: MSc+ in Computer Science or equivalent, Minimum 5 years experience with ASP.NET and C#, Minimum 5 years experience building REST APIs, Minimum 5 years experience with React, Experience with TypeScript, Strong knowledge of microservices architecture, Knowledge of cloud design patterns, Experience with unit, integration, and end-to-end testing, High level of technical ownership, Fluent English (minimum B2), Poland residency 📃 Skills: ASP.NET, C#, REST, React, TypeScript, Microservices, AWS, Agile, DDD, UnitTesting, IntegrationTesting, E2ETesting, Cloud 🏢 Description: We’re looking for a Senior Full-Stack Engineer who brings deep technical expertise and a collaborative mindset to our product development team. You will work with a modern microservices architecture, building scalable backend services using the ASP.NET Web API with C#, and intuitive frontend interfaces using mainly React and TypeScript. This is a hands-on engineering role with a 50/50 front-/backend focus, ideal for someone who likes to take ownership, thrives in a dynamic product team, and enjoys mentoring others. This role could easily become a Tech Lead role in a foreseeable future. If you're passionate about designing high-impact software in a cloud-native environment, we’d love to hear from you. This Poland-based role offers remote flexibility, but we value in-person collaboration. Our team meets in Poland for at least one week each quarter, so we request all applicants to be located in Poland. This is not a globally remote role. Poland residency is required. The contract form is Umowa o Pracę (only, no B2B). What you will be responsible for Collaborate proactively in refinement sessions with product and tech teams to ensure clarity and feasibility of features. Design, implement, and maintain scalable web APIs using ASP.NET and microservices architecture principles. Develop responsive user interfaces with React and TypeScript that enhance usability and performance. Work closely with Product Owners to clarify feature requirements and ensure business context is well-understood. Define, design and align feature architecture with the Head of Engineering to ensure consistency and scalability. Ensure features meet Definition of Done, with state-of-the-art unit, integration, and end-to-end test coverage. Support incident response and production issue resolution as per team standards. Actively contribute to team knowledge sharing and coach colleagues in technical best practices. What makes you a match Essential Qualifications: MSc+ in Computer Science or equivalent 5 years of proven experience in building secure REST APIs using ASP.NET , as well as developing solid front-end applications with React are non-negotiable must haves. Comprehensive knowledge of contemporary web application architectures, with a focus on microservices and cloud design patterns. Demonstrated ability of high technical Ownership and Tech Leadership are a requirement for this role. Bonus Skills: Hands-on experience with AWS infrastructure. Experience working in cross-functional product teams using Agile practices and following Domain-Driven Design (DDD). Collaboration and Interpersonal Skills: Clear and adaptive communication with both technical and non-technical stakeholders. Strong sense of ownership, accountability, and proactive problem-solving. Languages: English: B2 - (No certificate required, but Fluency) German, Polish, Ukrainian: desired, not required What you can expect A dynamic, ambitious team where your voice is heard, and your contributions truly matter. You’ll have real ownership over your decisions in a trusted, cross-functional environment within a Swiss product company that puts people first. We offer fair compensation, flexible working hours, a hybrid work setup, and a culture that supports both personal and professional growth, fostering a healthy work-life balance. Employer of Record: For this role, we offer employment through our trusted Employer of Record provider Remote.com , ensuring full legal compliance and a seamless experience for our team members in Poland. ID Verification: To maintain a fair and secure hiring process, candidates may be asked to verify their identity their identity before speaking with our Recruiter. This step helps us prevent fraud and focus our resources on genuine applicants. About us Who we are esurance is a Swiss InsurTech offering a SaaS platform that connects SMEs, insurance providers, brokers, and business application providers. Founded in 2013, we're on a mission to make health insurance for small businesses truly hassle-free. What makes us unique You'll be part of a connected, forward-thinking team built on trust, openness, and mutual respect — working hybrid from Zürich or remotely across Europe. We invest in your growth through agile practices, real ownership, and a transparent Grading System that ensures fair pay and clear career paths. Our core values We are connected. We are ahead. We are clear. We are approachable. Do these resonate with you? → Come join us. Our Recruitment Process & Principles We keep our process transparent and respect your time: Application Review — You hear from us within 5 business days. Always. Recruiter Screen — A relaxed Get2Know call to explore mutual fit. Four Interviews — Two Role Knowledge interviews (peer + supervisor), one Culture Match, one Leadership conversation. Batched into two days wherever possible. Hiring Decision — Thoughtful, timely. You'll know within 1–2 weeks. Use of Artificial Intelligence (AI) We use AI to increase productivity and you're welcome to use it to polish your CV or Coverletter. Interviews and assessments should reflect your genuine self, though. Recruiting Agencies: We don't work with unsolicited agency submissions. Thanks for respecting this.

🏢 Summary: Senior C# / .NET Engineer role focused on maintaining and evolving a large, business-critical enterprise/SaaS system with complex domain logic. The position involves working with legacy codebases, solving complex technical issues, and contributing to architectural decisions for scalable, high-load systems. The engineer will also support frontend integration using Angular technologies when needed. 🗂️ Requirements: Strong commercial experience with C#, .NET development experience, Knowledge of Angular or AngularJS, Knowledge of TypeScript, Experience with large enterprise or SaaS systems, Experience working with legacy codebases, Experience solving complex technical problems, Strong debugging skills, Experience with scalable and high-load architectures, Ability to work with large and unfamiliar codebases 📃 Skills: C#, .NET, Angular, AngularJS, TypeScript, SQL, REST, OOP 🏢 Description: We are looking for a strong C# / .NET engineer to join a project focused on large enterprise and SaaS systems. This role is suited for an experienced engineer who is comfortable working with complex business logic, large codebases, and mature systems, and who takes ownership of technical decisions rather than just implementing tasks. About the Project: The project is a long-running, business-critical system with a complex domain and significant technical depth. You will work on maintaining and evolving an existing platform, including improving scalability, performance, and reliability. A substantial part of the work involves understanding legacy code, debugging complex issues, and contributing to the system as a key technical member of the team. Responsibilities: Design, develop, and maintain backend solutions using C# / .NET; Work with complex business logic in large enterprise or SaaS environments; Analyze, understand, and improve existing and legacy codebases; Solve complex technical and production issues; Collaborate closely with other engineers and stakeholders; Contribute to architectural decisions for scalable and high-load systems; Support frontend integration using Angular / AngularJS and TypeScript where needed. Qualifications: Strong commercial experience with C# / .NET; Knowledge of Angular or AngularJS and TypeScript; Experience working on large enterprise systems and/or SaaS platforms; Experience playing a key role in projects (e.g. key developer, leading engineer, technical owner); Strong experience solving complex technical problems; Experience working with legacy code; Very good debugging skills; Ability to work effectively with large and unfamiliar codebases; Experience with scalable architectures and high-load systems; An engineering mindset with the ability to deeply understand systems and make mature technical decisions. Recruitment Process: Initial interview with our recruitment team; Technical interview with the client; Final decision and offer. Inuits Sp. z o.o. is registered in the National Register of Employment Agencies (KRAZ) under number 35420.

🏢 Summary: Senior C#/.NET Full Stack Engineer role focused on maintaining and evolving a large, business-critical enterprise/SaaS system with complex domain logic. The position involves backend and frontend development, mobile applications with Cordova, API design, and architectural contributions for scalable, high-load systems. The engineer will work extensively with legacy code, performance optimization, and complex technical problem-solving. 🗂️ Requirements: 8+ years commercial experience with C# and .NET, Strong experience with Angular or AngularJS, Extensive knowledge of JavaScript and TypeScript, Hands-on experience with Cordova for iOS and Android, Experience in API development using .NET, Experience with relational databases and SQL, Experience with Git version control, Experience working on large enterprise or SaaS systems, Strong debugging and complex problem-solving skills, Ability to work with large and legacy codebases, Experience with scalable and high-load architectures, Understanding of software architecture and design patterns 📃 Skills: C#, .NET, Angular, AngularJS, JavaScript, TypeScript, Cordova, iOS, Android, SQL, SQLServer, Git, REST, APIs 🏢 Description: We are looking for a strong C#/.NET engineer to join a project focused on large enterprise and SaaS systems. This role is suited for an experienced engineer who is comfortable working with complex business logic, large codebases, and mature systems, and who takes ownership of technical decisions rather than just implementing tasks. About the Project: The project is a long-running, business-critical system with a complex domain and significant technical depth. You will work on maintaining and evolving an existing platform, including improving scalability, performance, and reliability. A substantial part of the work involves understanding legacy code, debugging complex issues, and contributing to the system as a key technical member of the team. Responsibilities: Design, develop, and maintain backend solutions using C#/.NET; Build and maintain cross-platform mobile applications using the Cordova framework (iOS and Android); Develop and maintain front-end features using Angular and TypeScript; Design and implement APIs using the .NET framework; Work with complex business logic in large enterprise or SaaS environments; Analyze, understand, and improve existing and legacy codebases; Solve complex technical and production issues; Collaborate closely with other engineers and stakeholders; Contribute to architectural decisions for scalable and high-load systems. Qualifications: 8+ years of solid commercial experience with full stack .NET/C# development combined with Angular or AngularJS; Extensive experience with Angular, JavaScript, and TypeScript for front-end development; Hands-on experience with the Cordova framework for building mobile applications (iOS and Android); native mobile development experience is not required; Expertise in API development using the .NET framework; Strong understanding of software architecture principles and experience applying design patterns to real-world projects; Hands-on experience with relational databases (e.g. SQL Server) and SQL for data querying and optimization; Experience with version control systems (e.g. Git) and familiarity with agile methodologies; Experience working on large enterprise systems and/or SaaS platforms; Experience playing a key role in projects (e.g. key developer, leading engineer, technical owner); Strong experience solving complex technical problems and very good debugging skills; Ability to work effectively with large and unfamiliar codebases; Experience with scalable architectures and high-load systems; An engineering mindset with the ability to deeply understand systems and make mature technical decisions. Recruitment Process: Initial interview with our recruitment team; Technical interview with the client; Final decision and offer. Inuits Sp. z o.o. is registered in the National Register of Employment Agencies (KRAZ) under number 35420.

🏢 Summary: Fullstack Software Engineer role in a product-focused R&D team building cloud-native web applications and microservices on AWS. The position involves end-to-end development using C#/.NET Core on the backend and Angular or React on the frontend within an Agile Scrum environment. Hybrid work model with collaboration across engineering and data teams. 🗂️ Requirements: 5+ years of experience in web application development, Strong experience with C# and .NET, Experience building REST APIs, Experience with microservice architecture, Experience with AWS cloud services, Hands-on experience with Angular or React, Strong knowledge of JavaScript or TypeScript 📃 Skills: C#, .NET, REST, Microservices, AWS, Angular, React, JavaScript, TypeScript 🏢 Description: Software Engineer (Fullstack) Location: Gdańsk (Przymorze) – hybrid (3 days office, 2 days remote) About the role: Join a product‑focused R&D team building cloud‑native web applications and microservices on AWS. Work across the stack with C#/.NET Core and Angular/React in an Agile Scrum setup. Collaborate with software engineers, ML engineers, data analysts and Product Owners. Requirements: 5+ years of experience in web application development. Strong C#/.NET skills, experience with REST APIs and microservice architecture and cloud solutions (AWS). Hands‑on work with Angular/React and JavaScript/TypeScript. Familiarity with Docker, Kubernetes, CI/CD ( Azure DevOps ) is a plus. Good communication in English (B2+), proactive and ownership‑driven mindset. We offer: Employment via Antal: employment contract or B2B. Hybrid work model: 3 days in our modern Gdańsk Przymorze office, 2 days remote. Impactful work on large‑scale, cloud‑based products used globally. Equipment for office and home, private medical care, Multisport, life insurance, wellbeing initiatives.

🏢 Summary: Lead FullStack Engineer role focused on building and scaling high-traffic, public-facing web platforms for a major European online marketplace. The position involves full SDLC ownership, AI-assisted development, and delivering highly available, performance-optimized solutions using modern cloud and frontend technologies. Work includes backend and frontend development, cloud infrastructure, CI/CD, and integration of AI frameworks into the development workflow. 🗂️ Requirements: 5+ years of experience building reliable, scalable software systems, Strong knowledge of software architecture and design patterns, Proficiency in C# and TypeScript, Strong experience with SQL and NoSQL databases, Strong frontend development experience (HTML, CSS, JavaScript), Experience with React, Next.js, Vue.js or Angular, Experience with AI tools (ChatGPT, Codex) in development workflows, Experience with AI frameworks (Vercel AI SDK, LangChain), Experience with AWS, Terraform, Docker, Experience building and consuming APIs in service-based architectures, Experience with CI/CD pipelines, Experience with logging and monitoring tools (Datadog, NewRelic), Strong unit testing skills (backend and frontend), Experience with Git, Upper-intermediate English, Availability to work in required time zone (ET or 13:00–21:00 EET) 📃 Skills: C#, TypeScript, SQL, NoSQL, GraphQL, Redis, HTML, CSS, JavaScript, React, Next.js, Vue.js, Angular, ChatGPT, Codex, LangChain, Vercel, AWS, Terraform, Docker, Git, CI/CD, Datadog, NewRelic 🏢 Description: Аbout us: N-iX i s a software development service company that helps businesses across the globe develop successful software products. Founded in 2002 in Lviv, N-iX has come a long way and increased its presence in eight countries Poland, Ukraine, Sweden, Bulgaria, Malta, the UK, the US, and Colombia. Today, we are a strong community of 2,000+ professionals and a reliable partner for global industry leaders and Fortune 500 companies. About the client: Our customer is the European online car market, with over 30 million monthly users and a presence in 18 countries. As a Lead FullStack Engineer, you will play a pivotal role in shaping the future of online car markets and enhancing the user experience for millions of car buyers and sellers. Responsibilities: Developing fast, high-traffic public-facing websites Explore new technologies and help the team to use them Work using AI tools and apply them to the SDLC Following software development best practices while delivering the work Following testing principles while testing your own code to ensure production readiness Follow the philosophy of: you-build-it-you-run-it (be responsible for the SDLC processes) Requirements: 5+ years developing reliable, highly available, and scalable software systems Strong understanding of software architecture and design patterns Firm grasp of clean code principles and coding standards Strong proficiency using AI tooling, such as ChatGPT/Codex, for rapid development Experience integrating AI tooling into your development environment for streamlined usage Experience with AI Frameworks like Vercel AI SDK, LangChain, etc. Strong proficiency with the following technologies: C#+Typescript Strong proficiency with SQL & NoSQL datastores (GraphQL, Redis) Strong proficiency with frontend development (HTML, CSS, JavaScript) Strong proficiency with component-based frameworks and SSR (Next.js/React or Vue.js) or Angular with the desire to learn React/ Vue.js. Hands-on experience developing and maintaining 3rd party content management systems Knowledge of modern cloud infrastructures and tools, such as AWS, Terraform, and Docker Experience with APIs and developing in a service-based application environment Experience building optimized UIs for performance Proficiency with version control systems such as Git Experience working within a formal CI/CD pipeline Experience with logging, monitoring, and alerting services like Datadog, Newrelic Solid approach to testing and ensuring quality of code, Unit testing, backend, and frontend At least Upper-intermediate English level This role requires mandatory timezone coverage: work must align with the Toronto (ET) timezone for LATAM hours and 13:00–21:00 EET for EU hours approximately. We offer*: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits *not applicable for freelancers

🏢 Summary: Software Engineer role focused on building scalable, high-quality applications with primary emphasis on frontend development in Angular and Flutter, while supporting backend services in C#/.NET and SQL. The position involves developing RESTful APIs, integrating frontend and backend components, and ensuring security, performance, and scalability in an Agile environment. 🗂️ Requirements: 2+ years commercial software development experience, Strong knowledge of Angular and Flutter, Strong knowledge of HTML, CSS, TypeScript, JavaScript, Experience with C# and .NET, Experience with SQL Server, Experience designing and integrating REST APIs, Familiarity with Git, Experience working in Agile environment 📃 Skills: Angular, Flutter, HTML, CSS, TypeScript, JavaScript, C#, .NET, SQL, SQLServer, NoSQL, Git, Agile, REST, APIs 🏢 Description: Our Client is a fast-growing technology group headquartered in London, focused on building industry-specific payment solutions for small and medium-sized businesses. Client develops tailored software solutions across multiple sectors, including retail, services, healthcare, sports, public sector, and non-profit . The company operates across several locations in the UK and has a technology hub in Kraków , offering an international, product-driven working environment. Your role We are looking for a Software Engineer to join a dynamic development team and contribute to building high-quality, scalable applications with real business impact. The role focuses primarily on frontend development using Angular and Flutter , while also supporting backend services built with C#/.NET and SQL . You will work closely with cross-functional teams to deliver secure, performant, and user-friendly solutions, with opportunities to grow across multiple technologies. Your responsibilities Develop, maintain, and enhance applications using Angular and Flutter Support backend development with C#/.NET and SQL Design and implement RESTful APIs and integrate them with frontend applications Ensure application security, performance, and scalability Perform unit testing, debugging, and participate in code reviews Work in Agile sprints (planning, development, testing, deployment) Collaborate closely with Product teams to translate business requirements into technical solutions Stay up to date with emerging technologies and propose improvements Our requirements 2+ years of commercial software development experience Strong knowledge of Angular, Flutter, HTML, CSS, TypeScript, and JavaScript Experience with C#/.NET and SQL Server (NoSQL is a plus) Familiarity with Git and Agile methodologies Strong problem-solving skills and attention to detail Very good communication in English and teamwork skills Proactive attitude and willingness to learn Nice to have Interest in cross-platform development What we offer Long-term project Chill zone with a football table Integration events Collaborative, product-focused team Opportunity to grow within a fast-evolving tech company Participation in meaningful products used daily by real customers 📌 Please note: we will contact selected candidates only . TQLO Sp. z o.o. Registered employment agency (KRAZ): 33580

🏢 Summary: Senior Fullstack Engineer role focused on .NET and React development for enterprise-grade applications, driving scalable backend services and modern UI solutions. The position involves leading architectural decisions, enhancing CI/CD processes, and improving application performance and user experience. Candidates will contribute across the full SDLC while supporting digital transformation initiatives. 🗂️ Requirements: Minimum 7 years of professional experience in .NET production development, Strong experience with C# and Web API, Hands-on experience with React, Advanced SQL skills with SQL Server and T-SQL, Experience with DevOps practices and CI/CD processes, Solid understanding of SDLC, Fluent English (written and spoken), Legal right to work in the European Union 📃 Skills: .NET, C#, WebAPI, React, SQL, SQLServer, T-SQL, DevOps, CI/CD, Docker, Kubernetes 🏢 Description: Unleash innovation — shape the future of enterprise applications. Krakow-based opportunity with hybrid work model. As a Senior Fullstack Engineer – .NET and React Development , you will be working for our client, a leader in enterprise software solutions, dedicated to delivering robust, scalable, and innovative digital tools. Your expertise will drive the development of cutting-edge applications that empower businesses worldwide, supporting their digital transformation journeys. Your main responsibilities: Implement solutions following best Design Patterns to ensure maintainability and scalability Analyze requirements to fully understand solutions and recommend improvements for optimal performance Lead UI enhancements and improvements to boost user experience and application stability Actively participate in DevOps automation and improve the CI/CD lifecycle processes Manage changes through the entire service management lifecycle, ensuring seamless updates Contribute to software architecture design and technical decision-making Develop and prototype applications to validate concepts and designs Provide exceptional customer support by addressing and resolving issues promptly Communicate effectively with clients to understand needs and deliver tailored solutions You're ideal for this role if you have: A minimum of 7 years of professional experience in production application development within .NET ecosystems, including front-end (preferably React) and DevOps practices Proficiency in C# and Web API development, with a focus on scalable, secure backend services Strong hands-on experience with React, building dynamic, responsive web applications Advanced SQL skills, particularly with SQL Server, including T-SQL scripting, query optimization, and performance tuning Solid understanding of the SDLC, from requirement gathering to deployment and maintenance Exceptional problem-solving abilities and an eye for detail to ensure high-quality deliverables It is a strong plus if you have: (optional) Certifications in cloud or DevOps tools Experience with containerization (e.g., Docker, Kubernetes) Language Required for the role: Fluent English (written and spoken) Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.