Senior Backend Developer in Kraków

Kraków Pełny etat 112923 - 138017 zł / rok (szac.) Zdalnie

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Zadania: Projektuj i optymalizuj architekturę aplikacji oraz rozwijaj nowoczesne usługi .NET.
Firma: ETFBOOK to innowacyjna szwajcarska firma SaaS w branży ETF.
Benefity: 100% zdalna praca, konkurencyjna umowa B2B i możliwości rozwoju.
Pozostałe informacje: Kultura innowacji i współpracy z profesjonalistami w technologii i finansach.
Dlaczego ta praca: Miej realny wpływ na rozwój produktów w szybko rozwijającym się rynku finansowym.
Kwalifikacje: 8+ lat doświadczenia w programowaniu, silne umiejętności w .NET/C#.

Przewidywane wynagrodzenie mieści się w przedziale 112923 - 138017 zł za rok.

Location: Remote (European Time Zone), once per month in the office in Cracow

Contract Type: B2B

About Us: ETFBOOK is a Swiss SaaS company providing data, analytics, and custom solutions in the Exchange Traded Funds (ETFs) space. Founded in 2020, we aim to make global ETF data accessible, actionable, and valuable for institutional participants, including ETF issuers, index providers, fund service providers, market makers, exchanges, and buy-side institutions. We develop a platform which offers comprehensive insights through a user-friendly web application and robust APIs, covering areas such as product analysis, fund flow tracking, performance comparisons, and liquidity assessments.

About the role: We are seeking a Senior Backend Software Developer to join our fully remote team spread across Europe. You’ll join a highly skilled technology team that develops and maintains a cutting-edge data analytics platform using the most advanced technologies to support all core business functions. You’ll be a part of a collaborative team focused on application development. This role offers the chance to make a visible impact in a dynamic, fast-evolving field.

Responsibilities:

Designs and optimizes application architecture and database schemas.
Develops and maintains the latest .NET services, APIs, and data-processing components.
Participates in solution design and requirements analysis for major initiatives.
Ensures backend performance, scalability, security, and reliability.
Reviews backend code and promotes engineering standards.
Troubleshoots complex production and system issues.
Mentors junior and mid-level backend engineers.

Requirements:

8+ years of experience in software development with strong experience in the latest .NET/ C#.
Strong expertise in backend services, APIs, and data processing.
Strong understanding of application architecture and database design.
Strong SQL skills and experience with database optimization.
Experience designing scalable, secure, and reliable backend solutions.
Experience with automated testing and deployment.
Experience with AI-assisted development tools.
Good knowledge of Azure.
Strong communication skills in English.
Strong problem-solving skills.
Able to work effectively with Product, Data, and Technology teams.
Able to review code and provide technical guidance.
Able to mentor Junior and Mid-level engineers.
Commitment to delivering high-quality solutions.

Nice to have:

Experience with data visualization.
Interest in financial markets, especially ETFs.
Experience with B2B SaaS products.

What we offer:

100% remote work from anywhere within the European time zone.
Competitive B2B contract.
Exciting growth opportunities in a fast-paced startup.
Impactful work: help revolutionise the ETF data market, currently the fastest growing area of finance.
Have a real impact on developing products: your work will directly influence live projects, delivering measurable results in real-world applications.
Culture of innovation: collaborate with forward-thinking professionals in technology and finance where experimentation and creativity are encouraged.
Team-building events at least twice a year, hosted in various European locations.