Lista ofert pracy

• Udział w tworzeniu API dla aplikacji Moje Siepomaga, która umożliwia zarządzanie kontem przez podopiecznego - każde Twoje rozwiązanie bezpośrednio wpływa na tysiące użytkowników.
• Rozwiązywanie problemów technicznych, które dotyczą skali (obsługujemy dziesiątki tysięcy aktywnych zbiórek).
• Projektowanie rozwiązań - nie tylko implementujesz gotowe zadania, ale aktywnie uczestniczysz w dyskusjach architektonicznych i proponujesz własne pomysły.
• Ścisła współpraca z ...

• Min. 6 lat doświadczenia z Ruby on Rails lub Grape.
• Swobodne poruszanie się w MySQL/PostgreSQL, SQL, optymalizacji zapytań.
• Znajomość Sentry, cache'owania (Memcached, Redis), CI/CD (Github Actions).
• Pisanie testów jednostkowych jako naturalna część procesu.
• Praca na macOS.
• Czytanie dokumentacji technicznej w języku angielskim (B1).
• Chęć posiadania realnego wpływu na produkt i architekturę systemu.
• Umiejętność dyskutowania o rozwiązaniach i bronienia swoich ...

• Implement and advocate for best-in-class reliability, observability, and scalability practices across the platform.
• Develop automated solutions for system reliability, capacity planning, and incident response to minimize manual intervention.
• Participate in improving Service Level Objectives (SLOs), Service Level Indicators (SLIs), and error budgets to enhance system reliability.
• Contribute to CI/CD pipeline improvements and DevOps practices.
• Support root cause analysis (RCA) ...

• 5 years of experience in software engineering, site reliability engineering, or cloud infrastructure roles.
• Experience with DevOps tooling and practices.
• Proficient in building service-oriented architectures and cloud-native distributed systems.
• Proficiency in programming languages such as Python, Go, Java, or C# or .Net.
• In-depth technical understanding and experience with at least two of the following DevOps platforms: GitHub, Azure DevOps, GitLab, or Jenkins.
• Hands-on experience ...

• Collaborate with fraud specialists, data scientists, and risk managers to understand new fraud typologies and business challenges.
• Translate complex business rules and legal requirements (GDPR, PSD3) into clear, unambiguous User Stories, functional specifications, and process flows (BPMN/UML).
• Analyze data and systems tracing transaction flows, validate hypotheses, and identify data gaps across our on-premise and cloud data lakes.
• Design & Document system integrations, mapping data flows...

• Experience as an IT Analyst, Technical Business Analyst, or Systems Analyst.
• Understanding of relational databases with ability to run queries necessary for analytical purposes.
• Data mapping creation/analysis experience, data models understanding.
• Proven experience in the banking or payments industry, with understanding of payment flows (Cards, SWIFT, SEPA, nonmon).
• Domain knowledge of financial crime prevention.
• Exceptional communication skills with the ability to explain complex ...

• Design and develop system architectures supporting physical products and their integrations.
• Lead implementation of new engineering architectures and reliability-focused solutions.
• Act as a technical SME and take ownership of key engineering decisions.
• Solve complex system and reliability issues across multiple teams.
• Apply SRE practices to ensure scalability, stability, and performance.
• Collaborate with cross-functional teams to improve system integrations and efficiency.

• Strong experience with Python and object-oriented programming.
• Solid understanding of system design, microservices, and web architectures.
• Hands-on experience with AWS (EC2, EKS, VPC, serverless technologies).
• Strong knowledge of Kubernetes and Docker.
• Experience with Infrastructure as Code, CI/CD, Linux.
• AWS Solutions Architect certification is a plus.

• Owning the 'App Review' Process: Managing the complete verification cycle with Meta (including creating required screencasts and writing scope justifications) to ensure the app is approved for Live access.
• Meta Ecosystem Configuration: Correctly setting up the application environment in the Meta for Developers console (identified by the client as the primary risk area).
• OAuth Strategy & Implementation: Implementing the 'Login with Instagram' flow to securely fetch specific influencer data ...

• Fluency in Polish and English.
• Experience with OAuth 2.0.
• Familiarity with Instagram Graph API.
• Meta App Review experience.
• Nice to have:
• Passport.js / NextAuth.js / OmniAuth (depending on stack).
• JWT (JSON Web Tokens).
• OpenID Connect (OIDC).
• Facebook Login Kit.
• GDPR compliance basics.

• Designing, building, and deploying at-scale infrastructure with a focus on distributed systems
• Building and maintaining architecture patterns for data processing, workflow definitions, and system-to-system integrations using Big Data and Cloud technologies
• Translating technical designs into robust, maintainable code and technical specifications aligned with industry standards
• Driving the creation of reusable data and infrastructure artifacts
• Establishing scalable, efficient, and ...

Technical Requirements (Must Have)

• 3 years of hands-on experience with Azure Data Factory and Databricks
• 5 years of experience in Data Engineering or Backend / Fullstack Software Development
• Strong SQL skills
• Proficiency in Python scripting
• Experience with Databricks, Spark, and large-scale data transformations
• Experience in data modeling for both relational and non-relational databases
• Experience with CI/CD pipelines
• Working knowledge of Git

Nice to Have

• Experience with ...

• Design, develop, and maintain ETL/ELT data pipelines in an AWS environment
• Implement batch and incremental data processing workflows
• Build and maintain Change Data Capture (CDC) solutions using AWS DMS and Kafka
• Develop data transformations in dbt with a strong focus on data quality and consistency
• Deploy and manage cloud-based data infrastructure on AWS
• Configure, maintain, and optimize Snowflake data warehouse environments
• Implement Infrastructure as Code using Terraform
• Work ...

• Minimum 4 years of experience in a Data Engineer role
• Strong proficiency in Python and SQL
• Hands-on experience with AWS services, particularly AWS Glue and AWS DMS
• Experience with Snowflake and dbt, including performance optimization
• Working knowledge of relational databases (PostgreSQL, MySQL, MS SQL Server)
• Experience with real-time and streaming data processing using Kafka
• Proficiency in Terraform and Infrastructure as Code practices
• Solid experience in building ETL/ELT ...

• Developing complex digital platforms - from architecture decisions to implementation and deployment.
• Work in autonomous teams (3-9 people) delivering mission-critical systems.
• Collaborate directly with technology leaders, founders, and domain experts to shape solutions that drive real business outcomes.

• Extensive commercial experience in building web-based applications (5 years).
• Strong proficiency in at least one of Upside’s core technology stack: Ruby, Python, JavaScript or the willingness to learn based on your current skills.
• Solid understanding of software architecture principles: monoliths, microservices, asynchronous systems, messaging patterns, and scalability.
• Deep knowledge of relational databases (we mostly use PostgreSQL) and performance optimization.
• Working ...

• Designing and evolving cloud platforms with a focus on Azure Cloud services
• Leading on-premises to cloud migration initiatives ensuring scalability, security, and high availability
• Implementing automated deployment pipelines and infrastructure provisioning solutions
• Driving platform security testing and ensuring compliance with company-wide security standards
• Partnering with Product, Architecture, and Software Engineering teams to deliver secure, cost-effective SaaS products
• ...

• 6 years of experience in infrastructure, software engineering, or DevOps
• Strong expertise in Microsoft Azure Cloud services (IaaS, PaaS, SaaS)
• At least 2 years of experience with .NET
• Hands-on experience designing and building scalable, multi-region, highly available, secure Azure Landing Zones using the Cloud Adoption Framework (CAF)
• Proven track record of migrating on-premises workloads to cloud with approaches beyond lift-and-shift
• Proficient in Infrastructure as Code (Terraform ...

• Join a greenfield project and play a key role in building a high-quality MVP from the ground up.
• Define the overall structure and architecture of the MVP.
• Implement core features that demonstrate product value.
• Ensure the application is responsive, user-friendly, and suitable for client demos.
• Write clean, maintainable, and well-structured code, even under MVP timelines.

• Strong proficiency in JavaScript (ES6) and TypeScript.
• Hands-on experience with React.js.
• Solid understanding of state management concepts and libraries.
• Experience integrating with RESTful APIs.
• Good knowledge of HTML5, CSS3, and responsive design principles.
• Experience with unit and/or integration testing.
• Familiarity with Git and basic CI/CD practices.

• Design, implement, and maintain automated build processes and scripts for Node.js, Python, Java, Flutter, React, and Angular projects.
• Develop and manage containerization workflows using Docker, including multi-stage builds, optimized images, and security best practices.
• Architect and operate Kubernetes-based deployments across various cloud providers (Azure, GCP, AWS).
• Build and maintain CI/CD pipelines using GitHub Actions, GitLab CI, CircleCI, and other relevant tooling.
• Implement ...

We want you on board if you have:

• Minimum 10 years of professional experience in software engineering or system operations roles.
• Minimum 6 years of hands-on experience as a DevOps Engineer or Site Reliability Engineer.
• Strong expertise with Docker, container orchestration (Kubernetes), and cloud-native deployment models.
• Proven experience designing and operating CI/CD pipelines using GitHub, GitLab, CircleCI, or comparable tools.
• Strong proficiency with infrastructure-as-code ...

• Design and build our scalable enterprise-grade control plane using industry best practices focusing on quality, performance, and delivery.
• Write well-crafted, tested, readable, and maintainable code.
• Participate in code design, code review, and distribution knowledge.
• Develop distribution and deployment tools for different platforms.
• Collaborate with data scientists, product managers, and other team members to ensure high-quality and timely deliverables.
• Take end-to-end ownership of ...

• 7 years of experience in software development.
• 5 years of experience with Node.js.
• Understanding of front-end concepts and technology (React, TypeScript).
• Experience with relational databases (such as PostgreSQL).
• Familiarity with cloud-native development practices.
• Excellent communication skills.
• Organized and self-driven.
• Familiarity with Agile development methodologies.
• Ability to work in high-paced and dynamic start-up environments.
• An all-star team player with a “can ...

• Understand the data lineage and transformations of underlying data and develop suitable tests to evaluate the quality of new transformational changes under development.
• Develop test scenarios with good measure of test coverage and identify test data for the corresponding test scenarios.
• Perform manual ETL testing to verify the functionality developed based on the functional design documents and other system documents.
• Actively collaborate with the scrum team in a SAFe setup.
• Derive and...

• A minimum of 7 years of work experience in Quality Assurance & testing processes, with at least 5 years of experience in test automation in Database, DW & ETL, and framework experience in the Banking domain (preferably Credit Risk).
• Expertise and sound knowledge in ETL/Data Warehouse/Data Migration Testing & SQL Joins.
• Hands-on experience in the Hadoop Ecosystem (HIVE and HDFS).
• Sound knowledge of Slowly Changing Dimensions (SCD).
• Expertise in Test Automation framework, preferably ...