Jobs at Djinni

OUR COMPANY  

HBM is a European company building exciting new products from scratch for startups and helping mature companies in their journey towards data-driven innovation and AI based solutions. Our expertise refers to EnergyTech, FinTech, ClimateTech, SocialTech, PropTech, etc. 

Founded in Ukraine and developed based on Scandinavian culture, HBM is hiring both in Ukraine and the EU for our customers located in Europe and USA.  

Our values include skills, passion, excellence, equality, openness, mutual respect, and trust. 

At HBM, you can become a part of growing company, work with creative colleagues, and enjoy modern technologies and creating AI-based solutions. You’ll be part of a strong corporate culture combined with the agility and flexibility of a start-up backed by proven outsourcing and development practices, a human-oriented leadership team, an entrepreneurial mindset, and an approach to work-life balance. 

PROJECT 

Our customer is an Icelandic energy company providing electricity, geothermal water, cold water, carbon storage and optic network.  

We are looking for a Senior Data Engineer who will be responsible for developing, enhancing, and maintaining enterprise data warehouse, data platform, and analytical data flows. The role supports all company’s subsidiaries and contributes to creating maximum value from data for internal stakeholders. 

The qualified candidate will work as part of the Data Engineering team and will handle complex 3rd-line issues, long-term improvements, and new data development. The work will be aligned with the team’s structured 3-week planning cycles, and tight collaboration with the on-site Team Lead is expected. 

Tech stack: MS SQL Server, Azure/Databricks, Power BI, Tableau, Microsoft BI stack (SSRS, SSIS,SSAS [Olap and Tabular]) , TimeXtender, exMon. 

WE PROVIDE YOU WITH THE FOLLOWING EXCITING CHALLENGES 

• Develop and maintain the enterprise data warehouse, data marts, staging layers, and transformation logic 
• Design, implement, and optimize ETL/ELT pipelines (SQL Server, Azure data components, Databricks, etc.) 
• Build and maintain robust data models (dimensional/star-schema, semantic layers, analytical datasets) 
• Develop and improve the BI environment and the underlying data processes used by analysts across the company 
• Implement processes for controlled, reliable data delivery to BI specialists, analysts, and modelling teams (e.g., forecasting, scenario modelling) 
• Support data quality frameworks and implement testing/validation procedures 
• Investigate and resolve escalated 3rd-line operational issues and guide 2nd-line support in root cause analysis 
• Conduct stakeholder workshops to understand business requirements and translate them into technical data solutions 
• Identify opportunities to improve data usability, analytical value, and process automation 
• Document data processes, models, pipelines, and architectural decisions in Confluence 
• Collaborate with the on-site Team Lead during sprint planning, backlog refinement, and prioritization. 

WE EXPECT FROM YOU 

• Degree (bachelor or master) in computer science or a comparable course of study 
• 6+ years of experience working with DWH solutions and data pipelines 
• Strong SQL development skills, preferably in MS SQL Server 
• Experience building and maintaining ETL/ELT workflows using: 
• Databricks 
• Azure Data Factory or similar cloud-based data orchestration tools 
• Azure data platform services (e.g., storage, compute, data lake formats) 
• Solid understanding of data warehouse architectures and dimensional modelling 
• Experience with data quality checks, validation frameworks, and monitoring 
• Understanding of BI concepts and ability to prepare user-friendly analytical datasets 
• Experience collaborating with business stakeholders and capturing analytical or operational data requirements 
• Strong communication skills and the ability to explain data concepts clearly 
• Willingness to document solutions and share knowledge within the team 
• Excellent communication skills, ability to communicate to stakeholders on multiple levels 
• Action and quality-oriented 
• Experience of work the distributed, cross-culture Agile environment 
• English: upper-intermediate / advanced 

WOULD BE A PLUS 

• Experience with Python or similar languages for data processing 
• Experience with performance tuning for SQL or data pipelines 
• Interest in visual clarity, usability of data models, and BI-driven design 

 WE OFFER YOU 

• Modern technologies, new products development, different business domains. 
• Start-up agility combined with mature delivery practices and management team. 
• Strong focus on your technical and personal growth. 
• Transparent career development and individual development plan. 
• Flexible working mode (remote/work from office), full remote possibility. 
• Competitive compensation and social package 
• Focus on the well-being and human touch. 
• Flat organization where everyone is heard and is invited to contribute. 
• Work-life balance approach to work. 
• Passion and Fun in everything we do. 

At the company, we are pushing the boundaries of what's possible in the $365 billion game industry. Our disruptive Gen AI technology is transforming video ad production, making it up to 10x more efficient. By effortlessly duplicating and emulating any game’s development environment, we enable game companies to automatically create high-performing video ads, new game levels, and entire game mechanics at scale. Through our integration of Generative AI and genetic machine learning models, we are showing incredible results with major game companies, consistently delivering 10x improvements in key metrics. Now, we’re looking for a Motion Designer to join our team and help shape the future of game ads.

Your Responsibilities:
As a Motion Designer at Sett, you will:

• Work within Unity to create and optimize dynamic, engaging ads for mobile games.
• Utilize AfterEffects to enhance video ads, ensuring they are visually compelling and aligned with the marketing strategy.
• Collaborate closely with game developers and marketing teams to design high-quality assets for ad campaigns.
• Apply your artistic skills to elevate the aesthetic quality of the ads, balancing creativity with performance optimization.

Key Requirements:
We are seeking candidates with the following qualifications:

• Proficiency in Unity: You should feel confident working within the Unity environment to create and modify assets for video ads.
• Experience with AfterEffects: Strong knowledge and usage of AfterEffects to create polished video content.
• Background in mobile game ads: At least 1 year of professional experience in producing ads for games, ideally mobile games.
• A creative mindset with artistic inclinations, bringing unique visual perspectives to the table.
• Bonus: You are an avid mobile gamer yourself, with a deep understanding of game mechanics and audiences.

Hiring Process:
We value a streamlined and transparent hiring process:

1. Home Task: You may be asked to complete a task to demonstrate your skills (to be discussed in the technical interview).
2. Technical Interview: A comprehensive discussion with the Hiring Manager, including a review of your portfolio and the optional test task.
3. HR Interview: A final conversation with our HR team to align expectations, culture, and values.

Benefits:
At Sett, we care about our employees’ well-being and growth. We offer:

• 20 days of vacation annually, plus all national holidays.
• 10 days of sick leave per calendar year.
• Paid software licenses and tools necessary for your work.
• A dynamic, remote-friendly work environment with the flexibility to work from anywhere.

Project Description:

Join a team that's redefining banking technology!

Our client isn't a typical Swiss bank — it's a modern financial institution focused on delivering cutting-edge online trading and financial services. Unlike traditional banks weighed down by legacy systems, their tech stack is lean and innovative.

The team builds products that transform complex, fragmented risk data into clear, actionable insights, enabling smarter and faster decisions to reduce risk. We focus on core business areas such as account risk and work closely with key stakeholders - Risk department, Compliance department, and the Middle Office Fraud Center — to deliver impactful solutions.

You'll be part of a Scrum team of four, collaborating daily with stakeholders through stand-ups, status updates, and Agile ceremonies. We embrace best practices and modern communication tools: Zoom, Teams, Outlook, JIRA, Confluence, and more.

We continuously evolve our solutions to atomic microservices and self-contained systems, based on dockerized environments with CI and CD.

What we offer:
Professional Growth: access to local trainings, on-demand webinars, interactive workshops, and support for conferences and certifications.

Competitive Compensation: Regular annual reviews based on your performance and professional development.

Work-Life Balance & Fun: Team-building activities, corporate events, hackathons, and a variety of engaging initiatives.

If you're proactive, creative, and ready for new challenges, join us! Together, we'll enhance product quality and optimize processes while driving innovation.

Responsibilities:

- Overall responsibility for a team, its performance
- Driving the Scrum processes, coaching the team, driving improvements
- Contributing towards the technical direction of the products by being involved in technical design and delivery of components
- Identifying potential risks and escalating to the manager and client
- Communicating and interacting effectively with other Team Leads
- Participation in meetings with the client (Stand Ups, Grooming, Planning, Demo, Retro, and other ad-hoc ones)
- Requirements refinement, Sprint planning, and task estimation
- Application development
- Developing unit/integration tests, E2E, ensuring good development testing coverage
- Lead a team of 3 developers
- Participate in peer design and code reviews
- Evaluate and adopt new development tools, libraries, and approaches to improve delivery quality

Mandatory Skills Description:

- 1+ year in Team Lead position [fresh experience during last 2 years]
- At least 5+ years of proven experience in a Software Developer position
- Java core, Java 11+ features
- OOP/OOD knowledge, design patterns
- HTML, CSS, JavaScript
- Proven knowledge of ReactJS, Redux [2+ fresh years of proven experience]
- Unit testing frameworks (JUnit, Mockito, etc.)
- Spring framework, IOC
- RESTfull services
- Java-based application servers (e.g. Tomcat)
- SQL knowledge, any RDBMS, Oracle/PostgreSQL is a plus
- ORM, Hibernate in particular
- Maven and Distributed SCM (GIT OR Mercurial)
- CI tools experience (Jenkins)
- Docker

Nice-to-Have Skills Description:

- Education: Bachelor's / Master's degree in computer science or computer engineering
- Experience in finance/banking business domain
- Unix usage experience
- Kafka
- Java 11-21
- WebSocket

Languages:

English: B2 Upper Intermediate

Project Description:

The primary goal of the project is the modernization and migration of a system and databases for a big US insurance company.

Responsibilities:

We are looking for an experienced Java Developer who can help perform migration of client platform:
- Quickly onboard to Customer's processes
- Develop new features in Java for Spring Boot Microservices, as well as maintain existing ones
- Modernize Data Ingestion for faster searching and indexing
- Collaborate with other teams and client to find the best solutions

Mandatory Skills Description:

- At least 5 years' work experience, including front-end and back-end experience
- Strong knowledge of Java/Kotlin language
- Strong knowledge of Spring/SpringBoot
- Strong in JavaScript, 3+ years of experience
- Strong knowledge of React.js
- Familiarity with databases (SQL/PostgreSQL), serving static web assets, and U/UX design
- Deep understanding of enterprise application architecture patterns
- Experience with distributed systems
- Familiar with microservice architecture patterns
- Familiar with Containers and Orchestration Systems (Kubernetes/PKS/OpenShift)
- Adoption of Agile and DevOps culture
- Strong written and verbal communication skills

Nice-to-Have Skills Description:

- Experience of work in distributed teams, with US customers
- Experience in PowerBuilder
- Experience in working with Rocket UniVerse DB

Languages:

English: B2 Upper Intermediate

Project Description:

We are looking for a senior software engineer to join our team in a derivatives trading company with a broad product portfolio, with specific emphasis on interest rates, currency, and related derivative products.
The candidate will be a key contributor to enhance and maintain our trading system. The role will interact with the larger development team, share design and solutions, and contribute to the overall objectives of the development team.
All the newly built programs, including the Modernisation projects, are developed in C#. For enhancing legacy programs or developing new features of legacy functions, the developers will have to develop in C.

Responsibilities:

- This role will be part of the trading system development team to enhance post-trade processing functions such as payment processing or trade regulatory reporting.
- The role will take responsibility to design and develop applications to enhance existing business functions.
- The role will be involved in projects to migrate legacy systems into new platforms, and as such, he or she has to be a quick learner and also be adaptive to new technologies.
- This role will take responsibility for supporting the trading systems, including providing answers to users' enquiries or resolving batch job issues.
- The role will be part of the development team. He or she will need to follow development standards and contribute to the overall agenda of the team.

Mandatory Skills Description:

- 6-7 years of experience in a large & complex application development environment involving complicated data schemas with C#
- Experience with C/C++ min. 3 years
- 2+ years of experience with leading a team (tech lead, team lead)
- Experience in application designs for complicated process flows
- Experience in analysing and designing complicated Data/Object Relations
- Experience in OOD/OOP, especially in C#
- Strong SQL knowledge
- 2+ years in financial industry, experience with trade flows, trade process, fixed income products
- Experience working with global team, good communication and transpersonal skills
- Must be a good team player and can work cooperatively or independently
- Quick learner and problem solver

Nice-to-Have Skills Description:

- Python knowledge highly preferred
- FIX protocol experience
- messaging systems experience

Languages:

English: B2

Project Description:

We are looking for a detail-oriented and proactive QA Manual Tester to join our Capital Markets QA team. This role focuses on testing Fixed Income Sales and Trading applications, ensuring the accuracy, reliability, and performance of systems that support front-office trading, order management, pricing, and risk.
 
You will work closely with developers and business analysts from different regions to validate complex workflows and ensure high-quality software delivery in a fast-paced financial environment.

Responsibilities:

Analyze business and functional requirements related to fixed income sales and trading workflows.
Design, document, and execute comprehensive manual test cases for front-office applications.
Perform end-to-end testing of trade lifecycle events.
Validate pricing, risk, and P&L calculations for various fixed income instruments.
Conduct regression and new feature testing.
Log, track, and retest defects using JIRA.
Collaborate with developers, BAs, and QA automation engineers to ensure test coverage and quality.
Participate in Agile ceremonies and contribute to continuous improvement of QA processes.

Mandatory Skills Description:

5+ years of experience in manual QA testing, preferably in capital markets or investment banking.
Previous experience plus strong understanding of Fixed Income products and trade lifecycle (ideally interest rate swaps, swaptions, cap flor or bonds)
Experience testing Sales & Trading platforms and/or risk systems.
Experience with test management and defect tracking tools.
Excellent analytical, communication, and documentation skills.

Nice-to-Have Skills Description:

Experience working in Agile/Scrum environments.
Understanding of front-office trading desks and real-time systems.

English B2

Project Description:

Project is related to regulatory reporting for one of Clients from Investment Banking area. We are seeking a highly skilled Senior QA Automation & Performance Test Engineer to join our dynamic crew. The ideal candidate will be responsible for designing, developing, maintaining, and executing automated and performance test scripts to ensure the quality, reliability, and scalability of our software products. This role requires a strong background in software development, test automation frameworks, performance testing, and a passion for delivering high-quality solutions.

Responsibilities:

· Collaborate with cross-functional teams to understand software requirements and develop comprehensive test plans, cases, and scenarios.
· Design, develop, and maintain automated and performance test scripts using industry-standard tools and frameworks.
· Own and manage all non-functional testing activities, including performance, stress, load, and regression testing.
· Continuously research and evaluate new testing technologies, tools, and methodologies to improve efficiency and effectiveness.
· Advocate for best practices in testing and quality assurance, contributing to process improvement.
· Develop custom tools and integrate with existing tools to increase engineering productivity.
· Ensure quality, security, reliability, and compliance by testing both functional and non-functional requirements.
· Coordinate test activities within the pod and across other test managers as required.
· Enable and drive a culture of 'automation-first' in the QA space.
· Perform in-sprint automation testing and build regression test suites.
· Analyse errors using logs, database queries, legacy and Unix file systems, etc.
· Expertly manage the complete test and defect lifecycle across agile and waterfall methodologies.
· Generate test reports and share status across multiple levels.
· Capacity planning and management of web, microservices, and mobile applications.
· Performance monitoring and tuning of applications using tools like AppDynamics, AppInsights, Splunk.
· Use quantitative methods to identify performance and throughput bottlenecks.
· Work on large-scale migration projects for financial institutions’ core platforms.

Mandatory Skills Description:

· Strong proficiency in programming languages such as Java and C ( ideally).
· 10+ years’ experience in Testing ( Automation and Performance)
· Experience with test automation frameworks such as Selenium, Cucumber, or similar BDD frameworks.
· Hands-on experience with automation testing for desktop, web, data services, microservices, database, ETL, cloud-based applications, middleware, and OS.
· Experience with CI/CD pipelines.
· Expertise in building frameworks for performance and load tests using tools like Gatling, Locust, LoadRunner.
· Experience with logging and APM tools (AppDynamics, AppInsights, Splunk).
· Good understanding of Linux performance tuning and database optimisation techniques.
· Experience with WebSphere and Tomcat application servers.
· Strong analytical skills, proactive, detail-oriented, and comfortable working in dynamic, fast-paced environments.
· Excellent communicator with strong written and verbal English skills.

Nice-to-Have Skills Description:

Personal Attributes
· Logical problem solver, passionate about excellence, learning, and integrity.
· Team player who values collaboration and delivering business value.
· Self-sufficient, quick learner, able to work independently and in a team.

Languages:

English: B2 Upper Intermediate

Project Description:

Join a strategic and high-impact initiative focused on transforming the Loan Analytics platform for one of the world's leading financial institutions. The program leverages modern technologies and automation to optimize risk forecasting, portfolio analytics, and financing systems. You'll work closely with global teams on a system that powers decision-making in the financial markets—from underwriting to real-time monitoring.

About the team
You'll be part of a cross-functional, international team operating at the intersection of finance and technology. The team includes senior engineers, business analysts, product owners, and QA specialists working on cutting-edge solutions in capital markets and risk technology. This is a fast-paced, collaborative environment where innovation and ownership are highly valued.

Responsibilities:

- Design, develop, and maintain scalable test automation frameworks using Java, Cucumber, Selenium, and GenAI/LLM-based solutions.
- Automate end-to-end, integration, functional, regression, and API tests to ensure quality of trading and risk management platforms.
- Leverage Generative AI tools and LLM-driven frameworks to optimize test coverage, generate smart test cases, and validate AI-powered applications.
- Collaborate with business analysts, developers, and quants to validate requirements and ensure compliance with trade lifecycle and regulatory standards (EMIR, Dodd-Frank, FRTB).
- Integrate automated test suites into CI/CD pipelines (Jenkins, Maven, Gradle) for continuous testing and rapid feedback.
- Perform performance, scalability, and reliability testing using JMeter, SoapUI, and custom automation scripts.
- Test and validate messaging middleware flows across Kafka, IBM MQ, ActiveMQ, and TIBCO EMS for trading and risk systems.
- Develop and execute SQL queries and Unix scripts for backend validation, data quality checks, and issue investigation.
- Monitor and evaluate GenAI/LLM outputs to detect inaccuracies, hallucinations, and security vulnerabilities such as prompt injection.
- Provide clear defect reporting, documentation, and communication across global teams while mentoring junior QA engineers and promoting testing best practices.

Mandatory Skills Description:

• Minimum 7+ years of professional experience in test automation domain in trading/banking/insurance sector
• Strong understanding of software quality best practices and processes. Experience with a broad range of testing practices.
• Minimum six years of programming experience in Java 7, 8.
• Extensive experience with test automation tools and frameworks - Cucumber for Java, Selenium, Apache JMeter, Soap UI
• Strong understanding of build automation tools - Maven 3, Gradle, experienced in setting up CICD pipelines in Jenkins.
• Knowledge of REST and SOAP based web services standards. Strong understanding of and experience with JSON, XML, HTTP.
• Strong experience in SQL, Unix scripting, Git
• Demonstrated ability to solve complex software development/design issues using clean, coherent code following established coding guidelines.
• Excellent communication skills, both written and verbal
• Ability to thrive in a fast paced and challenging environment.

Nice-to-Have Skills Description:

- Experience with various messaging middleware technologies - Apache ActiveMQ, Apache Kafka, IBM MQ, TIBCO EMS
- Familiarity with OTC Derivatives, ISTQB

Languages:

English: B2 Upper Intermediate

Project Description:

We're seeking a passionate Java developer to create innovative applications for Fixed Income Rates and Credit trading desks. You'll deliver high-performance solutions while maintaining existing functionality

Responsibilities:

- Architecting and developing scalable Java applications for complex business challenges
- Optimizing and refactoring existing components to improve performance and maintainability
- Leading UAT and demonstration sessions with key stakeholders
- Translating business requirements into technical specifications
- Collaborating with global IT teams to ensure seamless integration
- Supporting production rollouts and providing ongoing maintenance

Mandatory Skills Description:

- 6+ years of professional Java development experience
- strong knowledge of low-latency, multi-threaded programming techniques
- excellent problem-solving and analytical skills
- strong communication skills, able to explain complex technical concepts to non-technical stakeholders
- willingness to learn and adapt to new technologies and market changes

Nice-to-Have Skills Description:

- understanding of financial markets, particularly Rates and Credit bonds/derivatives with trading platforms (e.g., Bloomberg, Tradeweb)
- familiarity with messaging systems like Kafka and data serialization formats (e.g., AVRO)
- experience with Spring Framework, RESTful API design and knowledge of cloud platforms (Azure, AWS or GCP)

English B2

Project Description:

Our Video Collaboration products help companies stay connected and can be found in the conference rooms of some of the biggest businesses in the world. We are a small nimble group and we are growing our team. We create amazing experiences in the conference room using creative design, surprising science, and innovation. We love what we do because we are passionate about connecting people and we use the products we create every day to stay connected to our team.

Want to be part of this team of collaboration innovators? We are looking for a talented Senior Embedded Engineer who can immediately start contributing to the project. You will be part of a small team of developers focused on making video collaboration an amazing experience and the software you create will be used by thousands of people every day.

Responsibilities:

- Porting userspace binaries and code from Android ARM64 to Yocto Linux ARM64

- Enabling security features like dm-verity, SELinux, dm-crypt, PKCS, signed OTA updates on Yocto builds

Mandatory Skills:

Embedded C++

Mandatory Skills Description:

- Extensive knowledge of Linux system

- Strong C/C++ experience, including deep debugging/analysis skills (on logs, JTAG, core dump etc...)

- Clear understanding of system image build process (Yocto or AOSP build), and device flashing

- Good understanding of GPIO, peripherals, I2C, SPI, UART, USB, DMA connected device.

- Ability and willingness to learn new concepts and work on different areas in Linux and Security

- Patience to work with different stakeholders and collaborate with non subject matter experts

- Persistence to continue working at difficult problems till resolution

Nice-to-Have Skills Description:

- Experience in kernel modification and device drivers

- Real world bootloader experience for a Linux device

- Extensive hands-on experience with bring-up of Linux devices on a popular ARM-based SoCs such as the Qualcomm Snapdragon series, MediaTek, NXP SoCs

- Experience setting up partitions on Yocto based devices

Languages:

English: B2 Upper Intermediate

Project Description:

You'll be working within UBS Investment Banking team in Poland - Krakow / Wroclaw. The team is specialized on Microsoft technologies (.Net), fast time to market, agile methodology and always with a client centric delivery approach. We are looking for a software developer to help design and build a cutting-edge application for investors to create, manage, and share client portfolios, along with executing trades. This role involves working on high-performance, scalable systems that support real-time investment decision-making. You will be responsible for architecting, developing, and optimizing core backend functionalities while collaborating with global teams to deliver a seamless investor experience. It's a demanding, fast paced and exciting environment

Responsibilities:

• translate business requirements (functional and non-functional) into designs and code
• work with stakeholders drawn from IT and the Business, subject matter experts, vendor teams, enterprise architects and business analysts to develop your code related to our solutions
• drive excellence in: software analysis, design & coding, development methodologies, oral/written communication skills, technology planning, application rationalization analysis
• challenge the status quo and come up with new ideas and solutions

Mandatory Skills Description:

 comprehensive knowledge in Software Engineering with .NET, JavaScript (TypeScript), React.js with Redux, Immutable.js, HTML, CSS, SASS, ASP.NET Core, SQL and TSQL
• Azure Cloud Native development
• good understanding of software development tools (e.g. GIT, Teamcity)
• a verbal communicator, comfortable interacting with colleagues in English

Nice-to-Have Skills Description:

• a strong understanding of the software development lifecycle and Agile methodologies
• experience in a global environment
• a strong problem solver and a good team player
• analytical skilled person who manages to cope with complex challenges in software engineering

English B2

Project Description:

Do you want to take part of mobile revolution in the banking area? We are looking for skilled JAVA professionals to develop high-availability, high-performance large Java based system that ... most probably you are already using! Sounds interesting?
- Application has 4.8 stars on App Store and Google play with millions of active users.
- The team is continuously updating the app with new features and improvements to increase platform resilience, stability and performance
- Every developer has possibility to share his thoughts and ideas about new features to the client
- Flexible working hours

Responsibilities:

1. Develop project deliverables at high quality through entire software lifecycle according to given specifications and quality standards.
2. Designs and develops supports and maintains it for its entire life.
3. Supports less experienced team members in their effort put into software development.
4. Design/develop testable software and help to improve team experience and knowledge.
5. Deliver software artifacts, items and solutions working as a senior software developer in product and technology in software design, implementation and testing.
6. Resolves domain and business issues at required standard.
7. Responsible for guaranteeing high level of quality for the Client.
8. Engages with the entire team to drive best practices to drive towards defect prevention rather than detection. Shapes QA process.
9. Knows technology, methods and environments beyond the scope of assigned tasks and learns business and domain knowledge
10. Estimates, develops and solves complex engineering problems
11. Describes defects found to technical and businesspeople
12. Design test scenarios according to proven test techniques (Boundary values analysis, Equivalents Classes, Orthogonal Test Arrays, Decision Tables
13. Executes automated and/or manual tests created by him/her and other team members and analyses the result based on defined metrics
14. Actively participates in release planning
15. Gathers business requirements
16. Interacts with production support teams
17. Performs all necessary actions on supervisor's reference
18. Other responsibilities related with employees specialization & competencies delegated by Manager

Mandatory Skills Description:

Technical skills/Professional knowledge
Must Have :
1. 7+ years of IT experience
2. 7+ years of experience in programming language (Java)
3. Strong knowledge of Java EE programming language (Jboss, hibernate, Spring, SpringBoot)
4. Strong knowledge and experience of multi-threaded programming
5. Knowledge of communication protocols REST & SOAP
6. Knowledge of source code version control system - github, gerrit & CI/CD processes
7. Strong knowledge of popular domain specific languages (HTML, XML, JSON, XSLT etc.)
8. RDBMS (Relational Database Management System) knowledge and experience. Skills in SQL and TSQL or PL/SQL (optimization of data bases, query plan, etc.)
9. Knowledge of Design Patterns (DTO/OOP /UML/GoF etc.) and ability to use them in practice
10. Strong practical knowledge of Software Development Practices (TDD, BDD, XP etc.)
11. Strong practical knowledge and experience in at least one software development technologies and standards (IoC, Spring/MVC, Struts, STL etc.)
12. Strong practical knowledge and experience in at least one application platform (JBOSS, GCP, GoogleAPP Engine etc.)
13. Microservices, Kubernete, KafkaMQ, RabbitMQ, Hazelcast
14. Able to perform code review
15. Fluent Polish (written and spoken)
16. Master computer science degree or equivalent experience

Nice-to-Have Skills Description:

1. Circuit breaker and/or BulkHead implementation and tunning
2. Code optimization for high performance and stability
3. Strong knowledge about software lifecycle
4. Experience with QA solutions like SonarCube, Checkmarks
5. Understanding of quality related vocabulary (defect, bug, error, regression)
6. Skills in using UNIX Shell
7. Strong knowledge about test methodologies
8. Strong knowledge of at least one test/defect tracking tool
9. Business domain knowledge would be an advantage
10. Good understanding of Agile/Scrum methodology

Languages:

Polish: C2 Proficient

🎯 What You’ll Actually Do

• Architect and run high-load, production-grade data pipelines where correctness and latency matter.
• Design systems that survive schema changes, reprocessing, and partial failures.
• Own data availability, freshness, and trust - not just pipeline success.
• Make hard calls: accuracy vs cost, speed vs consistency, rebuild vs patch.
• Build guardrails so downstream consumers (Analysts, Product, Ops) don’t break.
• Improve observability: monitoring, alerts, data quality checks, SLAs.
• Partner closely with backend engineers, data analysts, and Product - no handoffs, shared ownership.
• Debug incidents, own RCA, and make sure the same class of failure doesn’t return.

This is a hands-on IC role with platform-level responsibility.

🧠 What You Bring

• 5+ years in data or backend engineering on real production systems.
• Strong experience with columnar analytical databases (ClickHouse, Snowflake, BigQuery, similar).
• Experience with event-driven / streaming systems (Kafka, pub/sub, CDC, etc.).
• Strong SQL + at least one general-purpose language (Python, Java, Scala).
• You think in failure modes, not happy paths.
• You explain why something works - and when it shouldn’t be used.

Bonus: You’ve rebuilt or fixed a data system that failed in production.

🔧 How We Work

• Reliability > elegance. Correct data beats clever data.
• Ownership > tickets. You run what you build.
• Trade-offs > dogma. Context matters.
• Direct > polite. We fix problems, not dance around them.
• One team, one system. No silos.
•  

🔥 What We Offer

• Fully remote.
• Unlimited vacation + paid sick leave.
• Quarterly performance bonuses.
• Medical insurance for you and your partner.
• Learning budget (courses, conferences, certifications).
• High trust, high autonomy.

• Zero bureaucracy. Real engineering problems.

   

👉 Apply if you see data platforms as systems to be engineered - not pipelines to babysit.

🎯 What You’ll Actually Do

• Design and run high-throughput, production-grade data pipelines.
• Own data correctness, latency, and availability end to end.
• Make hard trade-offs: accuracy vs speed, cost vs freshness, rebuild vs patch.
• Design for change - schema evolution, reprocessing, and new consumers.
• Protect BI, Product, and Ops from breaking changes and silent data issues.
• Build monitoring, alerts, and data quality checks that catch problems early.
• Work side-by-side with Product, BI, and Engineering — no handoffs, shared ownership.
• Step into incidents, own RCA, and make sure the same class of failure never repeats.

This is a hands-on senior IC role with real accountability.

🧠 What You Bring (Non-Negotiable)

• 5+ years in data or backend engineering on real production systems.
• Strong experience with analytical databases
  (ClickHouse, Snowflake, BigQuery, or similar).
• Experience with event-driven or streaming systems
  (Kafka, CDC, pub/sub).
• Solid understanding of:
  • at-least-once vs exactly-once semantics
  • schema evolution & backfills
  • mutation and reprocessing costs
• Strong SQL and at least one programming language
  (Python, Java, Scala, etc.).

• You don’t just ship - you own what happens after.

   

🔧 How We Work

• Reliability > cleverness.
• Ownership > process.
• Impact > output.
• Direct > polite.

• One team, one system.

   

🔥 What We Offer

• Fully remote (Europe).
• Unlimited vacation + paid sick leave.
• Quarterly performance bonuses.
• Medical insurance for you and your partner.
• Learning budget (courses, conferences, certifications).
• High trust, high autonomy.

• No bureaucracy. Real data problems.

   

👉 Apply if you treat data like production software - and feel uncomfortable when numbers can’t be trusted.

We are a rapidly growing startup building an advanced management and analytics platform for companies operating on fan platforms such as OnlyFans, Fansly, and others. Our platform helps businesses efficiently manage large numbers of accounts and teams, offering powerful tools for operational optimization and revenue growth.
We launched nearly two years ago and have grown to over 15,000 users and 800+ paying businesses.
We’re looking for a Business Development Manager to join our Sales Department and grow with us!

What we’re looking for:

• At least 1 year of experience in B2B sales or business development.
• Willingness to travel to attend industry events (conferences and forums).
• Self-organized, proactive, and results-driven.

• Multilingual: English and German (for conference communication).

   

Your responsibilities:

• Manage qualified leads through outbound and inbound channels.
• Explore and develop new lead generation channels.
• Engage with potential clients through meetings, consultations, and customer support.
• Attend industry meetups and international conferences to expand the client base and drive business growth.
• Maintain and manage CRM systems to track sales interactions.

• Work closely with the Marketing team to align strategies and optimize results.

   

What’s in it for you:

• 20 vacation days + 10 sick leave days.
• Flexible schedule and fully remote work.
• Budget for sports, therapy, and insurance.
• Budget for education and English courses.

• Fun team buildings and amazing company merch.

   

If you’re interested in this position, please send your CV!
We’d be happy to meet you!