Senior Software Engineer II (Python, Payments) at SpotOn | Kraków

Join Inetum Polska as a Data Engineer, where you will play a pivotal role in the development and optimization of our data infrastructure. Your responsibilities will include:Designing and maintaining efficient processes to aggregate data from diverse sources into our Data Lake.Creating, developing, and refining complex data pipelines to guarantee a reliable flow of information.Establishing frameworks that support the development of data pipelines.Implementing thorough testing frameworks for data pipelines to ensure data integrity and quality.Collaborating with analysts and data scientists to deliver superior quality data solutions.Overseeing data management practices, ensuring security, compliance, and best practices in governance.Exploring and adopting new technologies to enhance data pipeline performance.Integrating and leveraging data from various source systems, including Kafka, MQ, SFTP, databases, APIs, and file shares.

About ElevenLabsAt ElevenLabs, we are revolutionizing the way technology interacts with humanity through cutting-edge AI research and innovative product development.Founded in January 2023, we launched our first human-like AI voice model and have quickly gained a user base of millions, along with partnerships with thousands of businesses, including industry leaders like Deutsche Telekom and Meta. Backed by renowned investors such as Andreessen Horowitz, ICONIQ Growth, and Sequoia, we have successfully raised $781 million in funding, achieving a remarkable valuation of $11 billion.Our expansion has led us to develop three core platforms:ElevenAgents, which allows businesses to deliver intelligent customer experiences through scalable voice and chat integrations.ElevenCreative, empowering creators and marketers to produce and edit speech, music, images, and videos in over 70 languages.ElevenAPI, providing developers with access to our advanced AI audio models.Our team's creativity and dedication drive all our initiatives. We comprise researchers, engineers, and operators, including IOI medalists and former founders. If you are passionate about making a positive impact and are willing to work hard, we want to hear from you.Our Work EnvironmentHigh-velocity: We prioritize rapid experimentation and autonomous teams, maintaining minimal bureaucracy.Impact-focused: We emphasize the significance of your contributions over job titles. No task is too small or too large.AI-first: Our operations leverage AI to achieve faster and higher-quality results across all departments.Excellence everywhere: We strive for excellence in everything we do, matching the caliber of our AI models.Global team: We value talent over location, fostering a diverse and inclusive workplace.What We OfferInnovative culture: Join a generational opportunity to shape the future of AI, working alongside a team that continually pushes boundaries.Growth paths: Be part of a dynamic environment with abundant opportunities to impact beyond your immediate responsibilities.Learning & development: We prioritize continuous learning and professional development.

Founded in 2004, OLIVER is the world's premier agency specializing in designing, constructing, and managing bespoke in-house marketing departments and ecosystems for brands. We collaborate with over 300 clients across more than 40 countries, continuously expanding our reach. Our unique approach fosters creativity and operational efficiency, ensuring we deliver customized solutions that deeply connect with audiences. As a proud member of The Brandtech Group, we are at the cutting edge of leveraging advanced AI technology to transform our creative processes. Our AI-driven solutions boost efficiency, ignite creativity, and facilitate informed decision-making, empowering our teams to achieve innovative and impactful outcomes. Position: Graphic Designer (with POS Expertise)Location: Warsaw, Poland (Hybrid)Employment Type: Permanent (UoP)Role Overview: The Graphic Designer will collaborate with our esteemed client in the alcoholic beverages sector, managing projects that span digital, print, social media, and retail activations from concept through to execution. This position requires a fresh wave of creative ideas while adhering closely to the client’s brand guidelines and ensuring timely project delivery within established budgets. You will be part of a dynamic team of over 30 creatives, designers, and project managers, working collaboratively across various markets.Key Responsibilities: 

Who are we looking for? We are recruiting for one of two positions, depending on your experience:Project Manager: If you have at least 1-2 years of experience working with B2B clients (preferably in HR, SaaS, or agency sectors), can independently manage projects, and negotiate collaboration terms.Junior Project Manager: If you have initial experience in executing projects (business, student organizations, or volunteer work), and you are eager to learn and grow in the Customer Success area.You will primarily work with business clients (both Polish and international) to ensure the success of sports challenges, client satisfaction (CSAT), upselling (additional months or expanding the audience), and renewal (extending collaboration for another year). Your main responsibilities as a Project Manager (we will teach you everything!):Implementation of sports programs for business clients: maintaining ongoing contact with the company coordinator (usually from HR departments), acting as a consultant during the preparation of sports programs, supporting the promotion of activities, and building engagement among employees, summarizing results and collecting feedback on satisfaction with collaboration.Formal and financial aspects of client collaboration: signing contracts, presenting offers for extension/continuation of collaboration (upselling) with negotiation elements, financial settlements of the program.Maintaining good client relationships: feedback conversations, conducting workshops with corporate coordinators, inviting participation or co-hosting webinars, interactions on LinkedIn, conferences, or in-person meetings organized by Activy.Proactive participation in the development of the Customer Success team: participating in/leads meetings and workshops, sharing experiences, implementing recommendations and new technologies, initiating process optimizations and testing new solutions impacting customer satisfaction, users, and our team.Independent task and project management: managing Notion, prioritizing tasks, status updates on project execution, regular 1:1 meetings with the functional manager.Full understanding and current use of our product: a mobile application for sports challenges = you need to be somewhat active .Implementation of additional projects in areas such as marketing, sales, mobile application development, or process optimization: depending on your skills and development preferences. What awaits you at Activy:Hybrid work model: You decide when you work from the office (located on Marszałkowska in Warsaw).

Join our dynamic team as a Test Specialist at Arηs Group, a leading player in the European public sector IT landscape. We are seeking a detail-oriented professional to enhance our testing capabilities within our growing organization.Key Responsibilities:Design and develop comprehensive test plans and test cases while establishing an effective testing environment.Execute, debug, and validate application test cases and scripts.Document and confirm the completion of testing phases in alignment with development objectives.Analyze test results, track progress, and report any issues that arise.Evaluate functional and technical system designs for testability.Support quality assurance initiatives across projects.Maintain thorough documentation of tests and track any defects identified.Monitor and analyze test outcomes, focusing on system quality and reporting trends.Collaborate effectively with analysts, architects, software development teams, and service desk personnel.

Design and develop robust software systems tailored to client specifications.Lead and mentor development teams to ensure project success and adherence to best practices.Translate business requirements into technical designs and solutions.Optimize applications for performance, security, and quality, ensuring high standards are met.Create and maintain comprehensive technical documentation.Provide accurate estimates for development efforts and timelines.Establish and enforce software development standards across projects.Propose innovative technical solutions to address business challenges and technical issues.Collect and analyze software metrics to drive improvements.Manage software configuration and release processes effectively.Contribute to various phases of software development including requirements analysis, testing, quality assurance, change management, and deployment.Develop testing tools and conduct thorough testing of solutions.Document development processes and create prototypes for new solutions.Provide 2nd and 3rd line support to resolve complex issues.

Lead the formulation of testing strategies and oversee all testing activities.Create comprehensive test plans, design test cases, and establish testing environments.Implement, execute, and troubleshoot application test cases and scripts efficiently.Validate testing outcomes and meticulously document the completion of testing and development phases.Analyze test results, provide reports on testing progress, and address any identified issues promptly.Evaluate both functional and technical system designs for their testability.Play a pivotal role in enhancing quality assurance throughout the project lifecycle.Document testing procedures and keep track of defects meticulously.Monitor test results, assess system quality, and report on status updates and trends.Collaborate effectively with analysts, software architects, development teams, and service desk personnel.

Model and document value chains, business processes, roles, capabilities, and data.Elicit and analyze business needs, requirements, and user stories.Support business experts and product owners in defining requirements and software development.Maintain and track requirements/user stories throughout the systems lifecycle.Translate business, user, and technical needs into comprehensive business requirements specifications.Map business goals, project benefits, priorities, components, and system features.Analyze existing systems to identify potential solutions.Assist in preparing business cases and feasibility studies.Contribute to systems design, testing, quality assurance, and change management.Design, validate, and test business processes to achieve excellence.Adopt a holistic approach to planning and managing programs aimed at continuous improvement of business processes.Coach organizational staff on upcoming changes and ensure training plans are in place for new skills and processes.Collaborate with process owners to continuously identify opportunities for process improvements.Identify opportunities for improving business processes that enhance customer service, reduce costs, or increase revenue.Effectively communicate project objectives, business cases, requirements, and scope to all stakeholders for rapid responses to business needs.Conduct quantitative analyses of business processes, including cost-benefit and what-if analyses.Plan organizational change processes.Implement performance monitoring systems for business processes.Support business users in developing strategic and tactical plans (e.g., sector strategies, implementation plans).Assist in defining transition roadmaps for business architectures.

Join our dynamic team at Arηs as a Project Manager in Warsaw, contributing to some of the largest IT projects in Europe.Key Responsibilities:Oversee IT projects from inception to completion, ensuring they meet scope, timelines, and quality standards.Implement effective project controls, ensuring milestones and deliverables are consistently met.Maintain high standards of project deliverables, aligning them with business objectives.Proactively identify and manage project risks, issues, changes in scope, and variances.Serve as a key liaison with the Project Board and other essential stakeholders.Plan, delegate, and oversee project tasks while authorizing work packages.Motivate team members, balancing priorities to ensure effective workload management.Coordinate project communication among internal and external stakeholders.Produce comprehensive project documentation, including plans, logs, schedules, and reports.Define and clarify roles and responsibilities for all project team members.Prepare and deliver both verbal and written reports on technical and project-related matters.Organize and facilitate project meetings and workshops.

Project Management and Client Consulting:As a Cornerstone OnDemand Implementation Consultant, you will take charge of both local and international projects, collaborating effectively with client teams to craft tailored solutions that meet their unique needs.HR Software Implementation:Your role will involve supporting the implementation of Cornerstone OnDemand (CSOD), where your expertise will be invaluable to the success of client projects.Process Analysis and Optimization:You'll conduct thorough analyses of current HR processes, pinpointing opportunities for improvement and devising optimization strategies utilizing advanced HRIS systems.Interface Management:You will serve as a critical bridge between HR and IT, guiding our clients through their digital transformation journey.Knowledge Sharing and Professional Development:Stay abreast of the latest trends in HR and HRIS, sharing insights with your team and supporting your colleagues in their professional growth.

About MotionAt Motion, we are pioneering the first comprehensive agentic work suite tailored for everyday businesses. Unlike traditional point solutions, our platform is built from the ground up with AI agents at its core, revolutionizing project management, document handling, scheduling, and communication. With AI Employees that autonomously execute tasks across our entire suite, we are transforming how businesses operate.What sets us apart is our fully embedded AI agents, which don’t just suggest actions but actively complete work with complete access to data, context, and workflows. In just three months, our AI Employees have scaled from zero to an impressive eight-figure annual recurring revenue (ARR), and we are just getting started.Backed by Y Combinator and industry leaders like Sam Altman, we currently boast a valuation of over $500 million and serve hundreds of thousands of users. We are committed to building agents that work with exceptional accuracy, delivering a dramatic increase in productivity.Motion is an intense and fast-paced environment that demands excellence. If you aspire to work alongside top talent, challenge your limits, and contribute to redefining AI deployment in the real world, you will thrive in our dynamic culture focused on growth and career advancement.Location: Poland (Fully Remote)Are you a tech-savvy individual passionate about enhancing customer experiences? As a Customer Support Representative, you will be at the forefront of delivering exceptional support while being immersed in a culture that fosters growth, learning, and professional development.

Location: Kraków, Warsaw or remote (Poland)Become a vital part of Admind Branding & Communications, Poland's largest and most innovative global branding agency. As a proud certified B Corp, we are dedicated to creating branding experiences that not only enhance an organization but also enhance its positive impact on the world.Join a vibrant team of over 200 creative professionals from more than 15 countries, including Kraków, Amsterdam, Odesa, Bangkok, and Zürich. Here at Admind, you will be immersed in an international community of experts in design and branding strategy, where we strongly advocate for diversity, equity, and inclusion.You will have the chance to drive our mission of conscious branding by becoming a force for good, enhancing our impact on the environment, our employees, and society—values that resonate deeply with us.Your Responsibilities:Oversee cross-disciplinary complex projects in graphic, digital design, and branding, including brand identity transformations, marketing and employer branding campaigns, events, and digital product design.Manage projects from inception to completion: from brief development and planning through execution to final delivery.Translate high-level or ambiguous briefs into structured and actionable project plans.Lead cross-functional teams, including creatives, designers, strategists, technologists, producers, and external vendors.Prepare and oversee project budgets, cost estimates, change requests, and ensure project profitability.Conduct status meetings, steering meetings, and delivery reviews.Actively gather feedback and convert it into actionable improvements.Generate precise reports and status updates.Present innovative ideas and pitches to clients.

At Coupa, we redefine business efficiency with our cutting-edge, community-driven AI and leading total spend management platform. By harnessing data from over $1 trillion in direct and indirect spending across a vast network of more than 10 million buyers and suppliers, we empower businesses to make informed decisions that enhance their operating margins.Why Choose Coupa? Innovative Technology: Join us at the forefront of technological advancements, providing our clients with new levels of efficiency and visibility in spend management. Team-Oriented Culture: Experience a workplace that values collaboration, transparency, and a shared pursuit of excellence. Global Influence: Make a significant impact in a company where your contributions resonate across the globe.Discover more about our culture on the Life at Coupa blog and hear firsthand accounts from our dedicated employees.Your Role as a Lead Platform Engineer:In this pivotal position, you will lead a development team that provides application and infrastructure support to customer environments. Collaborating with engineers worldwide, you will play a key role in planning and deploying product releases across our software products.We are seeking an exceptionally skilled Lead Software Engineer to become a vital part of our Technology Platform Team. This global agile group is tasked with building a world-class SaaS platform, deployment infrastructure, and services. Your responsibilities will include designing, developing, maintaining, and scaling Coupa’s platform systems, services, and operational automation. Proficiency in Ruby and Go is essential as you will contribute to these primary programming languages.

Amplitude stands at the forefront of AI analytics, empowering over 4,700 clients—including industry leaders like Atlassian, Burger King, NBCUniversal, Square, and Under Armour—to enhance their products and digital experiences. Our platform integrates advanced AI agents that enable teams to swiftly analyze, test, and optimize user experiences. Recognized as the top solution across various categories in G2’s Fall 2025 Report, Amplitude is the premier choice for product, data, and marketing teams. Discover more at amplitude.com.Our organizational ethos is centered on delivering exceptional results for our customers by embodying our core values: humility, accountability, a growth mindset, and an unwavering customer focus.Our Commitment to Diversity, Equity & Inclusion: Amplitude is dedicated to fostering a diverse workforce, believing that varied perspectives lead to superior products, enhanced problem-solving capabilities, and more impactful solutions. We aim to cultivate an inclusive environment that prioritizes psychological safety, empathy, and meaningful connections, allowing employees from all backgrounds to flourish.About The Role & TeamJoin our dynamic Sales team, composed of Account Executives who excel in software sales and have a knack for identifying and capturing opportunities among the most influential digital product companies. We seek top talent and ensure that our high performers are rewarded generously.Your Role as an Enterprise Account Executive:Generate new opportunities within the enterprise segment through strategic prospecting and networking, with a primary aim to secure new logos in the region.Develop a deep understanding of Amplitude's offerings and engage in discovery calls and presentations with potential customers, embracing innovative sales strategies with confidence and a willingness to take calculated risks.Articulate the value of Amplitude to key stakeholders within accounts while adeptly navigating complex sales cycles.Take responsibility for expanding relationships with existing clients (in collaboration with the Customer Success team) while also securing new logos.Lead initiatives to build territory presence in the Enterprise Segment by collaborating with technology partners, solutions partners, product management, networking groups, and regional events to raise awareness, educate the market, and create new opportunities while influencing current pipeline.Collaborate...

About SpotOnAt SpotOn, we are revolutionizing the restaurant technology landscape by empowering independent restaurants with cutting-edge tools that enhance their competitive edge. Our award-winning point-of-sale system, coupled with AI-driven profit enhancement tools, allows operators to optimize profits, streamline operations, and retain their top talent. Every solution we provide is supported by a dedicated team committed to the success of our restaurant partners.Recognized as the #1 Restaurant POS by G2 (Fall 2025), based on authentic user reviews.Rated the top POS for restaurants, bars, retail, and SMBs by Capterra users.Consistently awarded Great Places to Work and Built In’s Best Workplaces for multiple years.We pride ourselves on our fast-paced, passionate culture, where we advocate for independent restaurant operators to pursue their passion and thrive in their endeavors. If you are driven to make a meaningful impact and bring your unique blend of dedication and energy, SpotOn is the ideal environment for you.As a Senior Software Engineer on our Data and Reporting team, you'll play a vital role in designing, developing, and managing high-performance, scalable data systems and infrastructure. You will work closely with cross-functional teams—including product management and engineering leadership—to elevate existing platforms and devise innovative solutions for complex data-driven applications.Daily Responsibilities Include:Architecting, developing, and maintaining scalable software solutions for our reporting and analytics platforms.Designing and implementing data pipelines, ETL processes, and integrations utilizing technologies such as ClickHouse, Streamkap, PostgreSQL, Snowflake, MongoDB, Kafka, and AWS.Writing and optimizing SQL queries that drive merchant reporting outcomes and enhance database performance across large-scale, distributed systems.Contributing to the definition and refinement of system architectures, including strategies for cloud infrastructure and containerization.Implementing comprehensive data observability monitoring, logging, and alerting solutions using tools like Grafana, Metaplane, and OpenTelemetry.Mentoring junior and mid-level engineers to foster technical excellence and best practices.

As a Senior Database Administrator, you will be instrumental in designing, implementing, and optimizing enterprise databases in both on-premise and cloud environments. Your responsibilities will include ensuring the integrity, security, and availability of mission-critical databases. You will also spearhead significant migration projects, enhance database performance, and collaborate with cross-functional teams to deliver scalable and robust database solutions.Design, implement, and maintain SQL databases across on-premise and cloud platforms.Administer and optimize reporting and integration services using SSRS, SSIS, and SSAS.Manage and support database solutions including Amazon Aurora, MySQL, and PostgreSQL.Continuously monitor and fine-tune database performance, addressing any bottlenecks.Ensure compliance with database security standards and regulations.Lead migration efforts from SQL Server 2012 to SQL Server 2022.Develop and maintain automation scripts utilizing PowerShell.Collaborate closely with development, infrastructure, and security teams.

WHAT IS BOX? Box (NYSE:BOX) stands at the forefront of Intelligent Content Management. Our innovative platform empowers organizations to enhance collaboration, manage comprehensive content lifecycles, safeguard essential data, and revolutionize business workflows with enterprise AI. In this new AI-first business landscape, we enable companies to flourish. Established in 2005, Box simplifies operations for some of the world's leading organizations, including JLL, Morgan Stanley, and Nationwide, with our headquarters located in Redwood City, CA, and offices in the U.S., Europe, and Asia.Joining Box means you will play a pivotal role in advancing our platform. Content is the backbone of daily operations, encompassing billions of files and information shared across teams and departments—ranging from contracts, invoices, employee records, to marketing assets. Our mission is to infuse intelligence into content management, enabling our customers to entirely transform their workflows. With the integration of AI and enterprise content, the potential to reshape how the world collaborates has never been more significant, and at Box, you will be at the forefront of this transformative journey.WHY BOX NEEDS YOUBox Apps is transforming how enterprises utilize content by delivering an intelligent no-code builder that facilitates automation, orchestration, and faster decision-making. We are investing in our Warsaw hub to scale this innovative product globally. As a Senior Software Engineer, you will spearhead projects from conception to production, elevate engineering standards, and influence our technical strategy for a rapidly expanding product utilized by thousands of customers.WHAT YOU’LL DOTake the lead in designing and delivering complex, user-facing features and platform capabilities for the Box Apps frontend.Collaborate closely with product, design, and backend teams to define APIs, data contracts, and seamless end-to-end experiences.Drive the creation of technical specifications, architectural reviews, and design documentation that prioritize speed, quality, and maintainability.Advocate for reliability through rigorous testing (unit/integration/e2e), performance profiling, and observability.Mentor fellow engineers through pairing sessions, design reviews, and constructive feedback, enhancing team practices.Break down complex problems, develop roadmaps, and deliver iteratively in line with quarterly objectives.

Join Attio: Pioneering the Future of CRM in the AI EraAt Attio, we are on a transformative mission to revolutionize Customer Relationship Management (CRM) for the age of artificial intelligence. Our goal is to create the first AI-native CRM solution tailored for the most ambitious go-to-market teams. Recently, we secured a $52M Series B funding led by GV (Google Ventures), alongside support from Redpoint, Balderton, Point Nine, and 01A. Our passionate team is dedicated to overcoming complex technical challenges, delighting users, and setting new industry benchmarks.About the RoleOur Engineering team is focused on tackling the most challenging problems so our users can thrive. We build real-time infrastructure, AI-native architecture, and a seamless frontend experience, all powered by a team that operates swiftly, thinks critically, and maintains exceptionally high standards for quality.We are seeking a Senior Product Engineer who is passionate about pushing boundaries, meticulous about details, and eager to help reshape how millions of individuals work.

Join Attio: Pioneering CRM in the AI EraAt Attio, we are on a mission to revolutionize Customer Relationship Management (CRM) for the age of artificial intelligence. Our innovative team is crafting the first AI-native CRM, tailored specifically for the most ambitious go-to-market teams. Recently, we secured a significant $52 million Series B funding led by GV (Google Ventures), alongside contributions from Redpoint, Balderton, Point Nine, and 01A. Our dynamic team excels in tackling intricate technical challenges, enhancing user satisfaction, and establishing new industry benchmarks.About the RoleWe are in search of talented and seasoned Platform Product Engineers to join our Security, Infrastructure, and Performance team. This pivotal role merges strategic engineering with hands-on operational excellence. Successful candidates will be tasked with developing, managing, and consistently improving our internal technology platform, treating it as a product with development teams as primary stakeholders.The Platform Product Engineer role emphasizes the execution of DevOps principles, focusing on:Automation: Systematically eliminating manual processes from the software development lifecycle (SDLC) by creating robust tools, CI/CD pipelines, and infrastructure-as-code (IaC).Collaboration: Building a close partnership with product development teams to gather requirements and deliver solutions that enhance their productivity and speed to market.Continuous Improvement: Fostering a culture of iterative enhancements to improve platform reliability, cost efficiency, and developer experience.This role is grounded in a strong Site Reliability Engineering (SRE) approach. Successful candidates will play a key role in defining and maintaining Service Level Objectives (SLOs) and Service Level Indicators (SLIs), implementing effective monitoring and alerts, and leading incident response processes.Your ResponsibilitiesYour primary responsibility will be to implement, maintain, and continuously refine the foundational platform infrastructure that supports all engineering services.