Backend Engineer

1 tydzień temu


Kraków, Lesser Poland Inuits Pełny etat 80 000 zł - 120 000 zł rocznie

We're seeking an experienced Backend Engineer to join a fast-growing SaaS scale-up developing a next-generation LegalTech and FinTech platform aimed at transforming global trade. The product is designed to eliminate inefficiencies and fraud within the maritime and commodities sectors. You'll be part of a global, collaborative engineering team building a secure, high-performance system that utilises encryption, digital signatures, blockchain technology, and advanced asynchronous processing.

About the Project

You'll help build and evolve a cutting-edge SaaS platform that drives the digital transformation of global trade. Working in a fast-paced startup environment, you'll design and deliver scalable backend services using modern technologies like NestJS, TypeORM, and AWS, contributing directly to redefining how global trade operates. This is an initial 3-month project, with the possibility of extension based on performance and project needs.

Key Responsibilities:

  • Design, develop, and maintain backend services in NestJS and TypeScript;

  • Implement and integrate REST APIs, authentication flows, and data management systems;

  • Ensure scalability, performance, and security of backend infrastructure;

  • Collaborate with frontend developers and technical leads to define architecture and standards;

  • Optimise codebase through rigorous testing, debugging, and peer reviews;

  • Support customer onboarding and continuous product improvement within an Agile/Scrum setup.

Qualifications:

  • 5+ years of experience with JavaScript and 3+ years with TypeScript;

  • 3+ years of hands-on experience with NestJS, TypeORM, and REST APIs;

  • Strong understanding of authentication methods and backend software architectures/patterns;

  • Experience with relational databases (SQL) and AWS SDK v3 services (RDS, S3, SQS, SES, Redis/ElastiCache, Cognito, DynamoDB);

  • Proficiency with Docker; Kubernetes experience is a plus;

  • Familiarity with code versioning (Git/GitLab), code reviews, and CI/CD practices;

  • Solid experience writing unit/integration tests (Jest) and working in Agile/Scrum environments;

  • Nice to have: experience with , Redux/RTK, SCSS, or blockchain development;

  • Excellent analytical and communication skills in English.

The recruitment process includes:

  • HR screening 30min zoom call;
  • 1h technical interview;
  • General call with the team leader;
  • Making an offer meeting.

  • Senior Engineer

    1 tydzień temu


    Kraków, Lesser Poland Senior Engineer VGW Pełny etat 60 000 zł - 110 012 zł rocznie

    Senior EngineerVGW is an interactive entertainment company, harnessing technology and creativity to deliver world-class, free-to-play online social games. We have an exciting opportunity to join our Engineering team in Poland and are currently looking for a Senior Engineer to join the team. As a Senior Engineer, you will focus on developing the back end of...

  • Backend Engineer

    6 dni temu


    Kraków, Lesser Poland DolarApp Pełny etat 60 000 zł - 80 000 zł rocznie

    What we're looking forAs a Backend Engineer, you'll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You'll collaborate with a talented team to create solutions that drive financial inclusion and transform the way people manage their money.What you'll be doingThe work will focus on...

  • Senior Backend Engineer

    1 tydzień temu


    Kraków, Lesser Poland Cloudinary Pełny etat 60 000 zł - 120 000 zł rocznie

    About The RoleTheProduct Growthteam drives Cloudinary's self-serve success by crafting seamless, scalable platform experiences that help users discover more value, activate faster, and grow their usage over time.As aSenior Backend Engineer, you'll play a key role in shaping and implementing growth-oriented experiments - from fine-tuning onboarding and...

  • Senior Backend Engineer

    1 tydzień temu


    Kraków, Lesser Poland Cloudinary Pełny etat 90 000 zł - 120 000 zł rocznie

    About the roleThe Product Growth team drives Cloudinary's self-serve success by crafting seamless, scalable platform experiences that help users discover more value, activate faster, and grow their usage over time.As a Senior Backend Engineer, you'll play a key role in shaping and implementing growth-oriented experiments - from fine-tuning onboarding and...


  • Kraków, Lesser Poland Cloudinary Pełny etat

    About The RoleTheProduct Growthteam drives Cloudinary's self-serve success by crafting seamless, scalable platform experiences that help users discover more value, activate faster, and grow their usage over time.As aSenior Backend Engineer, you'll play a key role in shaping and implementing growth-oriented experiments - from fine-tuning onboarding and...


  • Kraków, Lesser Poland Cloudinary Pełny etat 60 000 zł - 120 000 zł rocznie

    About the role The Product Growth team drives Cloudinary's self-serve success by crafting seamless, scalable platform experiences that help users discover more value, activate faster, and grow their usage over time. As a Senior Backend Engineer, you'll play a key role in shaping and implementing growth-oriented experiments - from fine-tuning onboarding...

  • Backend Engineer

    1 tydzień temu


    Kraków, Lesser Poland Backbase Pełny etat 60 000 zł - 120 000 zł rocznie

    The Job in ShortWe are looking for an experienced backend engineer to strengthen our team. As a backend engineer you will join the Identity value stream within the R&D department. To develop software, creating clean and maintainable code which helps with building and expanding our product. Your tailor-made code seamlessly integrates our products with...

  • Backend Engineer

    1 tydzień temu


    Kraków, Lesser Poland Backbase Pełny etat 60 000 zł - 120 000 zł rocznie

    The job in shortWe are looking for an experienced Backend Engineer to strengthen our team. As a Backend Engineer you will join a Product team in our Business Banking value stream within the R&D department and you will focus on creating a solution that allows banks to seamlessly service customers and employees by crafting memorable and engaging banking...


  • Kraków, Lesser Poland Sonatus Pełny etat 60 000 zł - 120 000 zł rocznie

    Join a high-performing team at Sonatus that's redefining what cars can do in the era of Software-Defined Vehicles (SDV).At Sonatus, we're driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can't keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update...


  • Kraków, Lesser Poland Sonatus Pełny etat 100 000 USD - 200 000 USD rocznie

    Join a high-performing team at Sonatus that's redefining what cars can do in the era of Software-Defined Vehicles (SDV).At Sonatus, we're driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can't keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update...