[RTC] Senior Software Engineer (.NET)

Posted Yesterday
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Hiring Remotely in Kraków, Małopolskie, POL
In-Office or Remote
Senior level
Software
The Role
Design and build scalable greenfield software solutions using C# and .NET Core. Create proof of concepts, shape architecture, replace legacy systems, conduct code reviews, write automated tests, and contribute to technical decisions. Collaborate with senior engineers, testers, business analysts, product owners, and Scrum Masters in agile teams. Provide technical leadership, share knowledge, and support modern cloud, distributed, and event-driven architecture initiatives.
Summary Generated by Built In
Company Description

Software Mind develops solutions that make an impact for companies around the globe. Tech giants & unicorns, transformative projects, emerging technologies and limitless opportunities – these are a few words that describe an average day for us. Building cross-functional engineering teams that take ownership and crave more means we’re always on the lookout for talented people who bring passion and creativity to every project. Our culture embraces openness, acts with respect, shows grit & guts and combines employment with enjoyment.

    Job Description

    Project – the aim you’ll have

    You will join an agile, international team of experienced developers and testers (from Poland and the UK) working on a strategic transformation of the IT ecosystem for a leading travel industry company.

    The main goal?
    Designing and building modern, scalable solutions from scratch - replacing outdated systems with new platforms built using best engineering practices.
    As part of the team, you’ll have a real opportunity to:

    • co-create new solutions and architecture
    • develop Proof of Concepts (PoCs) and test ideas
    • drive technical discussions and decisions
    • collaborate with other senior and principal engineers
    • and leave your mark on a platform that will serve millions of users

    The work is organized in 4-5 agile teams, each focused on a specific product area - allowing you to take ownership while collaborating closely across teams.
    This is not about maintaining legacy systems — this is about building something new.

    Role – how you’ll contribute

    • Designing and building new features and solutions from the ground up
    • Creating Proof of Concepts (PoCs), technical spikes, and validating ideas
    • Replacing old systems with new architecture — not maintaining legacy code
    • Performing code reviews and sharing best practices
    • Participating in shaping product architecture and technical direction
    • Collaborating with other senior/principal developers, testers, BAs, Product Owners, and Scrum Masters
    • Supporting the team with your knowledge, experience, and technical leadership

    Qualifications

    Expectations – the experience you need

    • At least 5 years of commercial experience in C# and .NET Core
    • Experience with AWS DevOps tools and CI/CD processes
    • Solid understanding of software design principles, patterns (e.g., SOLID, DDD), and clean code practices
    • Experience creating tests (unit, integration, ideally also component or contract tests)
    • Practical experience with databases (SQL, MongoDB, NHibernate, Entity Framework, Azure Storage)
    • Real experience with AI tools

    Additional skills – the edge you have

    • Knowledge of front-end technologies: Angular (12+), JavaScript, TypeScript, CSS, Git — although in the project you’ll be working closely with a dedicated front-end developer
    • Experience designing new systems or working on greenfield projects
    • Familiarity with event-driven architecture and distributed systems
    • Knowledge of cloud solutions, especially AWS and Azure
    • Willingness to share knowledge, mentor other developers, and actively participate in technical discussions
    • Someone who isn't afraid to admit they don't know something but can work with the team to find a solution

    Additional Information

    What we offer:

    • Flexible and remote cooperation options 
    • International projects with leading global clients 
    • Travels related to international projects 
    • Non-corporate atmosphere 
    • Access* to language classes
    • Access* to knowledge-sharing initiatives 
    • Access* to private healthcare and life insurance 
    • Access* to multisport card 

    *The availability and terms of individual benefits may vary depending on the chosen form of cooperation. 

    Skills Required

    • At least 5 years of commercial experience with C# and .NET Core
    • Experience with AWS DevOps tools and CI/CD processes
    • Solid understanding of software design principles, including SOLID and DDD
    • Knowledge of clean code practices
    • Experience creating unit and integration tests; component or contract testing is advantageous
    • Practical experience with databases and data technologies, including SQL, MongoDB, NHibernate, Entity Framework, or Azure Storage
    • Real experience with AI tools
    • Knowledge of Angular 12+, JavaScript, TypeScript, CSS, and Git
    • Experience designing new systems or working on greenfield projects
    • Familiarity with event-driven architecture and distributed systems
    • Knowledge of cloud solutions, especially AWS and Azure
    • Willingness to share knowledge, mentor developers, and participate in technical discussions

    Software Mind Compensation & Benefits Highlights

    The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Software Mind and has not been reviewed or approved by Software Mind.

    • Fair & Transparent Compensation — Pay is considered competitive for core hiring markets, with “good salary” cited in multiple locales. Public salary snapshots provide a baseline that helps candidates assess offers and negotiations.
    • Flexible Benefits — Remote or hybrid options are prominently highlighted, and a remote‑work program is publicly noted alongside positively cited work‑from‑home experiences. Flexibility around schedules and location is presented as part of the package.
    • Wellbeing & Lifestyle Benefits — Private medical care, language classes, sports/fitness support, and learning initiatives are listed for several Central/Eastern European locations, with occasional workation perks promoted. These lifestyle‑oriented offerings complement base pay and can enhance perceived total rewards.

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    The Company
    HQ: Kraków
    1,000 Employees
    Year Founded: 1999

    What We Do

    Software Mind is a global digital transformation partner with operations throughout Europe, the US and LATAM. Driven by tech and empowered by people, we provide companies with software engineers and autonomous, cross-functional development teams who manage software life cycles from ideation to release and beyond. For over 20 years we’ve been enriching organizations with the talent they need to boost scalability, drive dynamic growth and bring disruptive ideas to life. Our top-notch engineering teams combine ownership with leading technologies, including cloud, AI, data science and embedded software to accelerate digital transformations and boost software delivery. A culture, driven by trust, that embraces openness, craves more and acts with respect enables our experts to create evolutive solutions that support scale-ups, unicorns and enterprise-level companies around the world.

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