Jobs Poland

Who We Are

PAR Retail, with its Open Commerce® product suite and patent pending Wallet Steering® System, empowers Convenience & Fuel Retailers to gain more share of wallet and customer lifetime value than possible with any other solution provider. Stuzo’s unified Open Commerce product suite consists of: Activate for Intelligent 1:1 Loyalty, Transact for Contactless Commerce, and Experience for Cross-Channel Customer Experiences. Stuzo’s solutions are supported by a set of subscription-based program management services and are contractually backed by its 1.5X Performance Guarantee.  

Position Summary: 

The Member Support Representative serves as the frontline support contact for members participating in loyalty programs powered by our platform. This role requires confident communication, empathetic problem-solving, and the ability to assist members via phone, email, and chat. You'll help resolve issues related to app functionality, loyalty program questions, account verification, and rewards redemptions, including processing balance adjustments when appropriate. 

Key Responsibilities: 

• Confidently communicate with members across channels (phone, email, chat), providing timely and professional responses. 
• Troubleshoot and resolve questions related to loyalty accounts, mobile app access, account linking, and program participation. 
• Process loyalty balance adjustments within established guidelines, ensuring member satisfaction while balancing business needs. 
• Educate members on program benefits, app features, and how to get the most out of their loyalty experience. 
• Follow internal workflows to escalate complex issues to retailer support or platform teams as needed. 
• Maintain accurate and complete documentation of all member interactions in the ticketing system. 
• Uphold service-level agreements for first response time and resolution, adapting tone and messaging to fit the situation. 

• Support high-volume periods and marketing campaigns with poise and efficiency. 

   

Requirements: 

• Prior experience in a customer-facing role (call center, email, or chat support preferred). 
• Proficiency in spoken and written English is required to ensure clear and effective communication with members. 
• Strong written and verbal communication skills. Able to explain technical and program-related concepts clearly to a non-tech-savvy audience. 
• Comfortable handling difficult conversations and turning negative experiences into positive outcomes. 
• High attention to detail and a knack for identifying patterns in support issues. 
• Familiarity with CRM systems (FreshDesk, Zendesk, Salesforce, etc.), mobile apps, loyalty programs, or digital customer experiences is a plus. 

• A team-first attitude with the ability to multitask in a fast-paced, member-focused environment. 

   

Success Traits: 

• Confidence & Empathy: Projects assurance while staying patient and solution oriented. 
• Adaptability: Thrives in changing environments with varying support topics and priorities. 
• Ownership: Takes responsibility for delivering a great experience with minimal supervision. 

• Clarity: Communicates precisely, keeping the member informed throughout. 

   

 Schedule: 

• Minimum of 32 hours per week (Monday-Sunday), with scheduling based on business needs. 
• Availability during holidays is required. 

• Covering business hours between 6am – 6pm ET (we have different shifts).

   

  We offer:

• Long-term employment;
• Competitive compensation with regular performance based salary and career development reviews;
• Flexible working hours;
• Unique and friendly environment where everyone can explore and learn new technologies.

About the company

We’re an international product company operating in the mobile entertainment space, focused on scaling high-growth consumer products for the US market.

We’re looking for a senior User Acquisition professional to take ownership of paid growth strategy, campaign execution, attribution, and performance optimization across multiple acquisition channels.

Responsibilities

• Own and scale user acquisition strategy across key paid channels
• Manage and optimize campaigns on Meta, Apple Search Ads, and major programmatic platforms
• Drive performance marketing initiatives with focus on CAC, ROAS, LTV, and payback metrics
• Work closely with analytics and BI teams to build dashboards, reporting, and cohort analysis
• Oversee attribution setup and mobile measurement infrastructure (AppsFlyer / SKAN)
• Collaborate with creative teams on ad concepts, testing, and iteration strategy
• Analyze campaign performance and identify scaling opportunities
• Participate in growth planning, budget allocation, and testing strategy
• Help build and structure the UA function as the team grows

Requirements

• 4+ years of experience in User Acquisition / Performance Marketing for mobile apps or gaming products
• Hands-on experience with Meta Ads, Apple Search Ads, and DSP/programmatic platforms
• Strong understanding of mobile attribution and SKAdNetwork
• Experience working with AppsFlyer or similar MMP platforms
• Data-driven mindset with strong analytical skills
• Experience working with BI/reporting tools and performance dashboards
• Understanding of bidding algorithms and campaign scaling mechanics
• Ability to work independently and take ownership of growth initiatives

Nice to Have

• Experience in gaming, iGaming, betting, fintech, or high-volume consumer apps
• Experience launching and scaling products in competitive markets
• Familiarity with SQL, Tableau, or similar analytics tools
• Experience with creative testing frameworks and AI-powered creative workflows

What We Offer

• Opportunity to work on fast-scaling international products
• High ownership and direct impact on business growth
• Flexible remote setup
• Competitive compensation package

Position Summary: 

The Retailer Support Representative is responsible for providing comprehensive technical and operational support to retailer partners across multiple client programs. This role requires flexibility and adaptability as agents support various customer accounts and may be assigned to new client programs as the company grows.

Key Responsibilities: 

Agents in this role handle both incoming and outgoing communications to ensure complete issue resolution.

• First Point of Contact: Act as the primary support contact for retailer inquiries across all active client programs
• Kiosk Troubleshooting (Touchpoint Support): Diagnose and resolve device power issues, network connectivity problems, scanner/printer malfunctions, and payment device errors
• Loyalty Program Support: Address loyalty program issues and provide general app support to retailers
• Marathon POS Configuration Support: Provide basic setup guidance, verify configurations, and coordinate with the support team for complex POS requests
• CRM Ticket Management: Triage and respond to support inquiries, accurately documenting issue details, troubleshooting steps, and resolutions
• Knowledge Base Utilization: Apply macros, KB articles, and established troubleshooting flows to resolve common issues efficiently
• Guided Troubleshooting: Walk retailers through common fixes including kiosk reboots, connectivity checks (Wi-Fi/Ethernet/VPN), and app reinstall or settings verification
• Outgoing Communication: Proactively contact retailers and on-site personnel to gather additional information, verify issue resolution, and coordinate troubleshooting steps, or to reach the other aim defined by the project.
• Multi-Project Coverage: Provide support across all active client programs (currently Touchpoint and Marathon ARCO Rewards) with readiness to support new customers as onboarded
• Escalation Management: Escalate tickets appropriately to Platform Support, Engineering, or Hardware Ops when issues fall outside first-contact resolution scope
• L1 Escalation Handling: Receive and resolve escalated cases from Level 1 members support team, providing guidance and advanced troubleshooting
• Documentation Maintenance: Collaborate with internal teams to keep support documentation current and identify gaps in the knowledge base
• Continuous Learning: Participate in ongoing training to stay informed on product updates, configuration changes, and support processes

Qualifications: 

• 1+ year of experience in customer support, help desk, or technical troubleshooting roles 
• Familiarity with kiosk systems, POS hardware, or retail environments preferred 
• Basic understanding of network troubleshooting (Wi-Fi, Ethernet, VPN, static IP) 
• Ability to manage multiple cases at once while staying organized and responsive 
• Excellent communication skills — able to clearly explain solutions to both technical and non-technical users 
• Experience with Freshdesk, Jira, or similar ticketing tools is a plus 
• Exposure to MDM tools and payment hardware is helpful but not required 

Schedule: 

• Mon-Fri 9am-6pm ET

Meet the YozmaTech

YozmaTech isn’t just another tech company – we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster.
We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact.
Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family – you’ll feel right at home with us.

Our client is looking for a Product Marketing Manager with a strong content mindset, sharp market instincts, and the ability to turn ideas into awareness, credibility, and demand.
This role is for someone who understands that great marketing starts with great narratives. Someone who knows how technical audiences think, how modern software teams operate, and how to create content that feels relevant, credible, and worth reading.
You’ll help define how the market sees us, shape our category, and make sure we consistently show up in the right places.

The platform is already live and has paying customers, helping R&D teams significantly increase development speed and efficiency by reducing manual work and enabling engineers to focus only on high-impact tasks.

Key Requirements:
🔹 4+ years of experience in Product Marketing, Content Marketing, Brand, Growth or related roles;
🔹 Strong understanding of LinkedIn, Reddit and modern organic distribution channels;
🔹 Background in software development or experience in engineering environments;
🔹 Understanding of developer workflows, SDLC and R&D processes;
🔹 Experience creating content for B2B / technical audiences;
🔹 Exceptional English writing and storytelling skills;
🔹 Experience marketing to engineers, product teams or technical leaders;
🔹 Ability to translate technical concepts into clear messaging;
🔹 High ownership, self-direction, builder mentality;
🔹 Strong judgment in tone, positioning and narrative;
🔹 Startup experience, ability to build from zero;
🔹 Strong communication skills and comfort working with international teams;

Big Advantage:
🔹 Experience marketing to CTOs, VP Engineering, or R&D leaders;
🔹 Experience with AI products, developer tools, DevOps, or engineering platforms;
🔹 Community-building experience;
🔹 Design, video, or creative production skills;
🔹 English – Upper-Intermediate or higher.

What you will do:
🔹 Define and refine positioning, messaging and category narrative;
🔹 Build awareness on LinkedIn, Reddit and other relevant channels;
🔹 Create and publish content: founder posts, thought leadership, product stories, campaigns;
🔹 Translate product features into business value for technical and business audiences;
🔹 Develop brand voice, tone and narrative across all touchpoints;
🔹 Manage and grow communities (Reddit, Discord, Slack, etc.);
🔹 Work with founders, customers and prospects to understand market language and pain points;
🔹 Test and scale growth ideas based on performance;
🔹 Support go-to-market strategy and sales materials (case studies, decks, etc.);
🔹 Gather customer feedback to influence positioning and product direction;
🔹 Measure and analyze marketing performance (awareness, engagement, conversion);
🔹 Help build demand in an emerging market;
🔹 Act as a bridge between product and market, deeply understanding SDLC and developer needs;

Interview stages:
🔹 HR Interview;
🔹 Screening Call;
🔹 Technical Deep Dive;
🔹 Team Fit Conversation ;
🔹 Final Review & Decision;
🔹 Reference Check;
🔹 Offer;

Why Join Us?

At YozmaTech, we’re self-starters who grow together. Every day, we tackle real challenges for real products – and have fun doing it. We work globally, think entrepreneurially, and support each other like family. We invest in your growth and care about your voice. With us, you’ll always know what you’re working on and why it matters.
From day one, you’ll get:
🔹 Direct access to clients and meaningful products;
🔹 Flexibility to work remotely or from our offices;
🔹 A-team colleagues and a zero-bureaucracy culture;
🔹 Opportunities to grow, lead, and make your mark.

After you apply

We’ll keep it respectful, clear, and personal from start to offer.
You’ll always know what project you’re joining – and how you can grow with us.

Everyone’s welcome

Diversity makes us better. We create a space where you can thrive as you are.

Ready to build something meaningful?

Let’s talk. Your next big adventure might just start here.

🌎Akvelon is an American company with offices in Seattle, Mexico, Ukraine, Poland, and Serbia. Our company is an official vendor of Microsoft and Google. Our clients also include Amazon, Evernote, Intel, HP, Reddit, Pinterest, AT&T, T-Mobile, Starbucks, and LinkedIn. To work with Akvelon means to be connected with the best and brightest engineering teams from around the globe and working with an actual technology stack building Enterprise, CRM, LOB, Cloud, AI and Machine Learning, Cross-Platform, Mobile, and other types of applications customized to client’s needs and processes.

Requirements:

Must have:

• 0–1 year of commercial experience (internships and strong pet projects count)
• Working knowledge of C# and .NET 6/7/8
• Basics of ASP.NET Core and REST APIs
• SQL fundamentals and Entity Framework Core
• Git basics (branching, pull requests, merging)
• English B1+ for reading docs and team communication

Nice to have:

• Azure (App Service, Functions, DevOps)
• Unit testing (xUnit / NUnit, Moq)
• Docker and CI/CD basics
• Common design patterns and Dependency Injection

Overlap: stay available until 7 PM CET

Working conditions and benefits:

• Flexible working schedule: 8 hours per day, 40 hours per week
• Paid vacation, sick leave (without a sickness list)
• Official state holidays – 11 days considered public holidays
• Professional growth while attending challenging projects and the possibility to switch your role, master new technologies and skills with company support
• Personal Career Development Plan (CDP)
• Employee support program (Discount, Care, Health, Legal compensation)
• Paid external training, conferences, and professional certification that meet the company’s business goals
• Internal workshops & seminars
• Corporate library (Paper/E-books) and internal English classes.

Step into your future – apply now 🚀 and send us your CV.

🌎Akvelon is an American company with offices in Seattle, Mexico, Ukraine, Poland, and Serbia. Our company is an official vendor of Microsoft and Google. Our clients also include Amazon, Evernote, Intel, HP, Reddit, Pinterest, AT&T, T-Mobile, Starbucks, and LinkedIn. To work with Akvelon means to be connected with the best and brightest engineering teams from around the globe and working with an actual technology stack building Enterprise, CRM, LOB, Cloud, AI and Machine Learning, Cross-Platform, Mobile, and other types of applications customized to client’s needs and processes.

Requirements:

Must have:

• 0–1 year of commercial experience (internships and strong pet projects count)
• Working knowledge of C# and .NET 6/7/8
• Basics of ASP.NET Core and REST APIs
• SQL fundamentals and Entity Framework Core
• Git basics (branching, pull requests, merging)
• English B1+ for reading docs and team communication

Nice to have:

• Azure (App Service, Functions, DevOps)
• Unit testing (xUnit / NUnit, Moq)
• Docker and CI/CD basics
• Common design patterns and Dependency Injection

Overlap: stay available until 7 PM CET

Working conditions and benefits:

• Flexible working schedule: 8 hours per day, 40 hours per week
• Paid vacation, sick leave (without a sickness list)
• Official state holidays – 11 days considered public holidays
• Professional growth while attending challenging projects and the possibility to switch your role, master new technologies and skills with company support
• Personal Career Development Plan (CDP)
• Employee support program (Discount, Care, Health, Legal compensation)
• Paid external training, conferences, and professional certification that meet the company’s business goals
• Internal workshops & seminars
• Corporate library (Paper/E-books) and internal English classes.

Step into your future – apply now 🚀 and send us your CV.

Job Summary

Our embedded software engineering team's mission is to craft reliable, high-performance solutions that reach millions of homes worldwide within the home security market. We follow agile development methodologies with regular sprint cycles, code reviews, and continuous integration practices. The team's established approach emphasizes comprehensive testing, rigorous security standards, and close collaboration with hardware engineering, product management, and customer support teams. We pride ourselves on writing clean, maintainable code and fostering a culture of knowledge sharing and technical excellence.

We're seeking a skilled C++ Embedded Engineer to take ownership of critical software components in our camera-based security devices. This role involves maintaining existing products through comprehensive debugging and bug fixing, as well as developing innovative new features.

Responsibilities and Duties

— Design, develop, and maintain high-quality embedded software in C++ for camera-based security devices.

— Debug and resolve complex software, hardware, and network connectivity issues across the entire software stack.

— Develop new features and improve existing codebases for the product line.

— Optimize software performance for resource-constrained embedded environments.

— Conduct code reviews and provide technical mentorship to team members.

— Participate in architecture discussions and technical decision-making processes.

— Collaborate with QA teams to develop comprehensive testing strategies.

— Document software designs, APIs, libraries, and troubleshooting procedures.

Qualifications and Skills

— At least 5+ years of commercial experience in embedded development, with expertise in C++ (C++17 standard) and deep knowledge of RTOS and microcontroller architectures (ARM, RISC-V).

— Proficiency in the full SDLC, including professional engineering practices like Git, CMake, code reviews, and continuous integration.

— Solid understanding of network programming and experience with multithreading on multicore microcontrollers.

— Expertise in communication interfaces (I2C, SPI, UART, and Wi-Fi) and experience writing device drivers and libraries.

— Hands-on experience with hardware troubleshooting and debugging tools (oscilloscopes, logic analyzers, etc.) and cross-compilation tool chains.

— Ability to work independently and take ownership of complex projects.

— Excellent communication skills for technical discussions and documentation, with a collaborative mindset for cross-functional team environments.

— At least an Intermediate level in both written and spoken English (B1).

Nice to have

— Experience with Python for scripting and automation

— Experience with C in embedded development

— Understanding of security protocols and encryption methods

— Experience using AI-powered tools to enhance productivity and code quality

We offer multiple benefits that include

— The environment of equal opportunities, transparent and value-based corporate culture, and an individual approach to each team member.

— Competitive compensation and perks. Annual performance review.

— Opportunity to receive a Performance Bonus for your individual achievements and a Loyalty Bonus recognizing your dedication to the company.

— Gig-contract.

— 21 paid vacation days per year, paid public holidays according to Ukrainian legislation.

— Development opportunities like corporate courses, knowledge hubs, and free English classes as well as educational leaves.

— Medical insurance is provided from day one. Sick leaves and medical leaves are available.

— Remote working mode is available within Ukraine only.

— Free meals, fruits, and snacks when working in the office.

We are looking for a Senior or Lead Software Development Engineer to join a cloud data platform initiative focused on managed Kafka connectors. The role centers on accelerating onboarding of first-party connectors, improving reliability and launch readiness, and helping expand a managed connector ecosystem used in data-intensive cloud services.

Tasks

• Accelerate onboarding of new first-party managed Kafka connectors;
• Improve connector quality, reliability, and operational readiness;
• Integrate authentication and platform-specific cloud requirements;
• Translate connector behavior into implementation details, UI specs, and documentation inputs;
• Support launch gates such as probers, load testing, playbooks, and launch reviews.

Responsibilities

• Strong Java experience, as the core workers and connectors are implemented in Java;
• Practical Go experience for API-facing changes and service integration work;
• Practical experience with GCP cloud;
• Experience integrating, debugging, and improving connector-based or data integration systems;
• Ability to work across performance, stability, authentication, and network-compatibility concerns;

• Strong engineering ownership across delivery, launch readiness, and operational quality.

   

Nice to Have:

• Experience with Kafka Connect ecosystems;
• Experience with CDC-oriented connectors or sink/source integrations;

• Exposure to cloud data systems such as BigQuery, Spanner, Bigtable, Iceberg, or Debezium-based workflows.

   

Engagement Type

• B2B contract.

   

Location / Timezone

• Priority location is Krakow, Poland;
• On-site presence at the Akvelon office

We are looking for a Senior or Lead Software Development Engineer to join a cloud data platform initiative focused on managed Kafka connectors. The role centers on accelerating onboarding of first-party connectors, improving reliability and launch readiness, and helping expand a managed connector ecosystem used in data-intensive cloud services.

Tasks

• Accelerate onboarding of new first-party managed Kafka connectors;
• Improve connector quality, reliability, and operational readiness;
• Integrate authentication and platform-specific cloud requirements;
• Translate connector behavior into implementation details, UI specs, and documentation inputs;
• Support launch gates such as probers, load testing, playbooks, and launch reviews.

Responsibilities

• Strong Java experience, as the core workers and connectors are implemented in Java;
• Practical Go experience for API-facing changes and service integration work;
• Practical experience with GCP cloud;
• Experience integrating, debugging, and improving connector-based or data integration systems;
• Ability to work across performance, stability, authentication, and network-compatibility concerns;

• Strong engineering ownership across delivery, launch readiness, and operational quality.

   

Nice to Have:

• Experience with Kafka Connect ecosystems;
• Experience with CDC-oriented connectors or sink/source integrations;

• Exposure to cloud data systems such as BigQuery, Spanner, Bigtable, Iceberg, or Debezium-based workflows.

   

Engagement Type

• B2B contract.

   

Location / Timezone

• Priority location is Krakow, Poland;
• On-site presence at the Akvelon office

We are looking for an experienced Senior Java Full Stack Engineer to join our development team.

Our customer – integrated Shipping Services has set itself apart as an independent carrier with a fresh, unique approach. His strategy as a global niche carrier offers distinctive advantages to customers worldwide. We have created a smart, efficient network that ensures stable, reliable services, and we have made it our mission to focus on the needs of our customers, which stand at the heart of all our decisions. The main idea of our product operates in select trades, where it has a competitive advantage and where it can provide superior service. We maintain a flexible partnership approach with other major carriers, and our new line structure is a much-needed alternative to customers concerned about the current alliance-dominated market.

Responsibilities:

• Hands-on full-stack development of innovative applications
• Owning the entire development cycle, including design, architecture, development, and DevOps

• Working in XP with Remote pairing

   

Requirements:

• BS degree in Computer Science or equivalent combination of education and experience
• 5-6+ years of full-stack development
• 5-6+ years of experience in the following technologies: Java, Spring
• Experience with Functional Programming and Java Streams
• 2+ years of experience in front-end development with React
• Experience with developing a reactive UI (Reactive JS)
• 2+ years of experience in TDD/BDD development in the following frameworks: Junit, Jasmin, Mockito, Protractor/Selenium
• 2+ years of experience in micro-services-based architecture and tools (Spring Boot/Cloud)
• Experience in DevOps development and Jenkins
• Experience in development in Kotlin – an advantage
• Experience in designing, developing, and deploying cloud/hybrid-based solutions
• Experience in developing and deploying in container-based environments (Kubernetes, Cloud Foundry)
• Familiarity with the following design concepts: micro-services, service discovery, circuit breaker
• Self-starter with the ability to appropriately prioritize and plan complex work in a rapidly changing environment
• Versatility and the capability to switch easily between different tasks and technologies
• Experience in assessing a broad range of information solutions and products
• Strong critical thinker with problem-solving aptitude

• Good English - verbal and written

   

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

I am looking for a responsible, independent, and proactive assistant based in Warsaw to help with personal, organizational, and business-related tasks.

At the beginning, this is a part-time position. However, for a strong candidate, there is an opportunity to grow into the role of the entrepreneur’s right hand, operations assistant, or project manager, with the possibility of managing separate projects independently.

Main Responsibilities

You will help with various personal and business tasks, including:

• handling personal and business errands in Warsaw;
• searching for information, contractors, products, and services;
• making phone calls, communicating, and coordinating with different people;
• organizing meetings, trips, and everyday matters;
• monitoring task completion by contractors;
• receiving and sending documents, parcels, and orders;
• assisting with shoots, content creation, and events;
• participating in marketing and digital projects;
• helping to organize workflows and work processes;
• solving non-standard tasks.

Project Areas

The main areas of work are:

• internet marketing;
• digital and IT projects;
• content and video production;
• YouTube projects.

Requirements

We are looking for someone who:

• lives in Warsaw;
• is responsible, reliable, and punctual;
• can work independently and bring tasks to completion;
• shows initiative and does not wait for constant instructions;
• speaks Polish B1, English B1;
• speaks Ukrainian or Russian;
• is confident using a computer;
• has experience using ChatGPT, Gemini, and other modern AI tools;
• has a category B driving license.

Nice to Have

• experience as a personal assistant, business assistant, or project manager;
• interest in business, marketing, technology, and AI;
• experience working with contractors and organizing processes;
• skills in Excel, Google Docs, Notion, Trello, Asana, or other productivity tools;
• own car.

Conditions

• part-time employment;
• flexible schedule;
• fixed payment + bonuses;
• tasks in Warsaw and remote work by agreement;
• opportunity for professional growth;
• possibility to expand responsibilities and grow into a right-hand or project manager role.

How to Apply

Please include in your message:

1. A short introduction about yourself and your experience.
2. Which district of Warsaw you live in.
3. Which languages you speak and your level.
4. Whether you have a category B driving license.
5. Whether you have your own car.
6. Which AI tools you use.
7. Your expected compensation.
8. Three of the most difficult tasks you have solved independently.

I will be happy to meet a responsible, energetic, and thoughtful person who is interested in growing together with the projects.

Domain: Banking & Finance
Experience: 6+ years
Project Duration: June 1, 2026 – December 31, 2026
Format: Hybrid
Location: Kraków, Poland

About the Project

We are looking for a Python Engineer / Full-Stack Developer to join a team developing modern digital solutions for the banking and finance domain.

The role combines backend development with Python and FastAPI, frontend development with React.js, and participation in AI-powered initiatives using modern GenAI frameworks and tools.

Responsibilities

• Develop scalable and maintainable web applications using Python and FastAPI
• Contribute across the full stack, including frontend development with React.js
• Design, optimize, and maintain SQL, NoSQL, and vector databases such as PostgreSQL, Redis, and PGVector
• Build and support cloud-based solutions using AWS services
• Use Docker and Kubernetes for containerization and orchestration
• Design and integrate RESTful APIs and backend services
• Implement CI/CD pipelines, automated testing, and deployment best practices
• Collaborate with cross-functional teams to deliver reliable and scalable software solutions
• Contribute to GenAI-powered applications using technologies such as LangChain and OpenAI APIs

Requirements

• Strong proficiency in Python and experience building backend services with FastAPI
• Experience developing frontend applications with React.js
• Solid understanding of RESTful API design and distributed systems
• Hands-on experience with LangChain, OpenAI APIs, or similar AI frameworks
• Experience working with relational, NoSQL, and vector databases
• Familiarity with PostgreSQL, Redis, and PGVector or similar technologies
• Experience working with AWS cloud services
• Practical knowledge of Docker and Kubernetes
• Understanding of CI/CD workflows, automated testing, and deployment pipelines
• Strong debugging, problem-solving, and software engineering skills
• Ability to collaborate effectively in Agile and cross-functional teams
• Fluent English

Tech Stack

• Python
• React
• RESTful APIs
• Oracle NoSQL
• PostgreSQL
• Redis
• AWS
• Docker
• Kubernetes
• CI/CD
• LangChain

Nice to Have

• LangGraph
• LangSmith
• ETL & Data Management Tools

Location

• Hybrid from Kraków, Poland
• Important: the client requires office visits in Kraków once per week

Recruitment Process

• Technical interview with external partner (Karat)
• 1.5-hour technical interview with the end client
• Cultural fit interview

About the Company:

🌎 Akvelon is a USA-based software engineering and consulting company with offices across the USA, Poland, Ukraine, Serbia, and Mexico. We are an official vendor of Google and Microsoft and partner with Fortune 500 clients and global technology leaders.

At Akvelon, engineers work on large-scale cloud, AI, distributed systems, and enterprise platform projects used by millions of users worldwide.

Project Description:

We are hiring Senior Engineers for a strategic enterprise cloud data infrastructure project focused on expanding and improving the Managed Kafka Connect ecosystem.

The team is responsible for accelerating onboarding and productionization of first-party Kafka connectors for a large-scale managed streaming platform. Engineers will work on high-scale distributed data infrastructure, connector reliability, cloud integrations, CDC systems, and operational readiness.

Planned connectors include:

• Apache Iceberg Sink
• Debezium MySQL Source
• Debezium MongoDB Source
• SQL Server CDC Source
• Spanner CDC Source
• BigTable Sink
• BigQuery Sink improvements

The project includes:

• OSS connector integration
• Performance optimization
• Cloud authentication integration
• Reliability engineering
• Load testing
• Production readiness
• Kafka Connect ecosystem improvements

This engagement offers the opportunity to work on enterprise-scale distributed systems and modern cloud data infrastructure used by global technology platforms.

Responsibilities:

• Integrate and productionize Kafka Connect connectors
• Improve performance, scalability, and reliability of distributed data systems
• Optimize JVM applications and troubleshoot bottlenecks/OOM issues
• Work with Kafka Connect internals and connector lifecycle
• Implement cloud authentication and networking integrations
• Participate in operational readiness activities:
  • Load testing
  • Probers
  • Playbooks
  • Launch reviews
• Collaborate with distributed engineering teams
• Contribute to backend services written in Java and partially Go

Requirements:

Must Have:

• 5+ years of backend engineering experience
• Strong Java / JVM expertise
• Experience with performance tuning and troubleshooting
• Strong understanding of distributed systems
• Hands-on experience with Apache Kafka and Kafka Connect
• Experience debugging production infrastructure issues
• Experience with build systems and dependency management
• Experience with cloud infrastructure (preferably GCP)
• Upper-Intermediate+ English

Nice to Have:

• Apache Iceberg experience
• Debezium experience
• CDC systems knowledge
• Go backend development experience
• Kubernetes knowledge
• SRE / operational readiness background
• OSS contribution experience
• Experience with large-scale platform engineering

Working Conditions and Benefits:

• Paid vacation and sick leave
• Official state holidays — 9-11 public holidays per year
• Professional growth through challenging projects and the opportunity to master new technologies
• Flexible working schedule: 8 hours per day, 40 hours per week
• Personal Career Development Plan (CDP)
• Employee support programs (discounts, healthcare, legal assistance)
• Paid external training, conferences, and professional certifications aligned with business goals
• Internal workshops, seminars, and English classes
• Corporate library with paper and e-books

This position is not open to U.S.-based applicants.

Ready to work on distributed systems? Apply now and join our team.

We are looking for an IT Support Engineer to join our Warsaw office and support daily office operations, end-user devices, internal IT systems and laboratory infrastructure.

Please note that this is an office-based position in Warsaw focused on hands-on technical support, troubleshooting and operational IT tasks, so regular office presence is required.

You will work closely with employees, technical teams and laboratory staff to ensure stable and secure operation of office and IoT lab environments.

Responsibilities:

• Provide day-to-day IT support for office employees and internal teams.
• Configure, maintain and troubleshoot workstations and laptops running Windows, macOS and Linux.
• Support office network infrastructure and network devices, including MikroTik and Ubiquiti equipment.
• Assist with onboarding and offboarding processes, including account provisioning and access management.
• Administer and maintain access to corporate systems, collaboration platforms and internal services.
• Support IoT laboratory infrastructure, connected devices and technical equipment.
• Diagnose and resolve hardware, software and connectivity issues.
• Maintain inventory of IT equipment and ensure proper device lifecycle management.
• Assist with basic security and operational IT procedures.

Requirements:

• Basic hands-on experience in IT support, system administration or technical support roles.
• Understanding of operating systems, including Windows, macOS and Linux.
• Basic understanding of networking concepts and experience with network equipment such as MikroTik and Ubiquiti is a plus.
• Ability to troubleshoot hardware and software issues independently.
• Good communication skills and willingness to help users with technical issues.
• Technical education or understanding of electronics and hardware is a strong plus, as the role includes supporting IoT laboratory equipment and devices.
• Willingness to learn and grow in infrastructure, networking and IT operations areas.
• English: Intermediate or higher.

Our Benefits:

• Professional growth: Individual development plan, mentorship, reimbursement for professional certifications and English lessons, access to professional courses in Corporate Learning Management System.
• Community: Tech community and knowledge-sharing events, English speaking club, corporate library and book club, volunteering and charity initiatives.
• Wellbeing: Medical insurance, regular medical check-ups, sport reimbursement, paid vacation and sick leave, mental health support and events.
• Work environment: Fully-equipped offices, top-notch equipment, flexible work format, activities both in-office and online, Y-bucks and access to the Yalantis store.

As a leading SaaS provider, the company delivers comprehensive supply chain management solutions aimed at enhancing transparency, sustainability, and responsible sourcing practices. Our commitment to innovation and excellence drives us to effect positive change across global supply chains.

Position Overview:
We are looking for a Senior DevOps engineer, located in Poland (100% remote). This role is ideal for someone who thrives in maintaining scalable, high-quality applications and possesses strong English communication skills. A crucial aspect of this position is the ability to work within cross-functional squads, collaborating closely with team members across various disciplines to deliver innovative services.

Key Responsibilities:

• Support application infrastructure to ensure platform is optimized for performance and reliability.
• Build and maintain supporting infrastructure for cloud environments and applications.
• Use a wide range of Azure resources to implement scalable, reliable and cost-efficient services.
• Work side by side with your engineers, guiding critical projects, using your subject matter expertise to solve complex problems.
• Perform and automate system administration services including installation, configuration, maintenance, and disaster recovery
• Identify system level issues related to OS configuration and virtual hardware bottlenecks.
• Automation, auditing, and other tooling for security, compliance, and resource usage - Monitor and improve processes for all deployments.
• Take ownership of operational excellence to establish and maintain business focused KPI’s. Use these metrics not only as a basis for positive transformation, but also as a visible representation of your team’s success.
• Maintain and take ownership of your tasks each sprint ensuring time worked is logged and details are added.

Skills required:

• Excellent communication and collaboration skills.
• Ability to communicate effectively with multiple disciplines.
• Strong analytical skills with the ability to drive reliability improvements.
• Proven success managing and optimizing CI/CD for an Azure-based SaaS application.
• Hands-on-experience with common DevOps tools, including Azure DevOps.
• Strong scripting skills with at least PowerShell or Bash.
• Experience with configuration management tools like Terraform.
• Working knowledge of version control/source code management tools.
• Experience working in an agile software development life cycle.
• Working knowledge of databases including SQL and NoSQL
• Strong knowledge of web server configuration and management like IIS or Tomcat.
• Working knowledge of local and wide area networking and associated technologies, e.g. switches, routers, firewalls, VPNs.
• Strong understanding of security principles.
• Bachelor’s Degree in Computer Science or similar area of study.
• Experience working in a technical fast paced environment with high demand and high standards.
• Ability to assimilate information quickly under pressure.
• Strong planning skills to ensure business expectations are met and projects are delivered on time.

Experience required:

• Cloud-based networking (VNETs, NSGs, Route Tables, Hub/Spoke based architecture, Private Endpoints, etc)
• Strong understanding of CI/CD (YAML and Classic Pipelines)
• PaaS (Web Apps, Function Apps, Storage Accounts, Key Vaults, Azure Redis Cache, Azure Service Bus, API Management, Azure Data Factory, Azure Databricks)
• Monitoring (New Relic, LogEntries, Rapid7, Azure Monitoring, etc)
• Some experience with Containers/Docker either for a microservice based architecture or Service Orientated etc
• Git, ARM, Terraform, Ansible, Azure CLI or similar.
• JavaScript, React, C#, Java, PowerShell, Bash or similar.

Work conditions:

• Distributed team: REMOTE work (Poland located candidates only).
• 2-weeks scrum, 5-8 team members / team.
• Full-time (40 hours per week).
• Official contract: salary, sick-leave days, holidays, vacations.

Hiring process:
Step 1 - preliminary interview (main questions) - 30 mins
Step 2 - cultural fit interview with principal engineer - 45-60 mins
Step 3 - tech interview with team leader - 1 hr
Step 4 - final interview with PMO - 45-60 mins