Jobs at Djinni

PrivatBank is the largest bank in Ukraine and one of the most innovative banks around the world. It holds a leading position for all the financial indicators in the area and comprises about a quarter of the whole banking system of our country.

We are looking for an Application Security Engineer. We are searching for the person who seeks to work in a dynamic environment and shares the values of initiative, openness and mutual trust.

We are striving to find a goal-oriented and multitask professional who would be focused on making good results and high quality.

Requirements:

• At least 3 years of experience in application security or related fields such as penetration testing and security architecture
• Proficiency in using security scanners such as SAST, DAST, SCA, Secret Detection, and Container scanning
• Experience integrating security scanners in CI/CD pipelines using Jenkins for GitLab
• Certifications such as CEH, OSCP, CSSLP, AWS Certified Security Specialty, etc. is preferred
• Background in software development, including roles such as Developer, Business Analyst, Architect, DevOps, etc
• Knowledge of Secure Software Development Life Cycle (S-SDLC) and frameworks like OWASP SAMM, BSIM, and Microsoft SDL
• Familiarity with the software development process and stages
• Basic understanding of software code
• Knowledge of key infrastructure components like databases, queues, application servers, load balancers, NoSQL, etc
• Understanding of major types of vulnerabilities
• Understanding of software architecture
• Knowledge of network protocols such as DNS, HTTP/S, SMTP, SSH, and FTP
• Ability to independently research information and solve complex problems
• Critical thinking skills

Responsibilities:

• Conduct security audits using the OWASP SAMM framework to assess current practices, identify gaps, and evaluate compliance levels within the organization
• Develop and implement strategic plans aimed at enhancing security maturity levels throughout the organization, with gradual improvements
• Application security governance and metrics
• Collaborate with various team members, including developers and top management, to advocate and implement application security best practices
• Improve our application security management platform
• Manage security architecture, focusing on integrating security at every stage of the software development lifecycle
• Integrate and oversee security automation tools to enhance security processes and reduce manual error
• Oversee security testing across various stages of software development to identify and mitigate potential security vulnerabilities
• Engage in threat modeling activities to predict and neutralize potential security threats before they impact the system
• Ensure compliance with relevant industry standards and regulations by regularly updating security policies and standards
• Track and manage software defects to ensure timely resolution of security-related issues
• Develop and conduct training and awareness programs to enhance security knowledge and practices across the organization
• Spearhead the secure integration of CI/CD practices into software development processes to ensure continuous security
• Use cloud services for application security

We offer:

• Work in the largest and most innovative bank of Ukraine
• Official employment and 24+4 calendar days of vacation
• Sick leave compensation
• Medical Insurance
• Competitive salary
• Bonuses, premium according to company policy
• Corporate training
• Modern comfortable office
• Interesting projects, ambitious tasks and dynamic growth
• Corporate financial assistance in critical situations
• A friendly professional and strong team
• Possibility of remote work format

PrivatBank is open to support and employ veterans and people with disabilities.

We believe that discrimination due to health conditions, physical abilities, age, race and ethnicity, gender or marital status is unacceptable.

We are ready to train veterans and candidates with disabilities without banking experience.

We are looking for a skilled Team Lead Back-end Developer (Node.js).

✅ Responsibilities:

✔️ Being transparent with the team about challenges, failures, and successes;

✔️ Hiring and training technical personnel;

✔️ Determining project requirements and developing work schedules for the team;

✔️ Delegating tasks and achieving daily, weekly, and monthly goals;

✔️ Liaising with team members and management to ensure projects are completed to standard;

✔️ Motivating staff and creating a space where they can ask questions and voice their concerns;

✔️ Delegating work and assignments to team members;

✔️ Collaborating with their team to identify and fix technical problems;

✔️ At least upper-intermediate level of English.

And for the Developer part:

✔️ In-house platform development;

✔️ 3rd party API integrations;

✔️ Actively participate in developing new features from scratch.

✅ Requirements:

✔️ At least 8+ years of experience, 3+ years in leadership;

✔️ Excellent technical, diagnostic, and troubleshooting skills;

✔️ Strong leadership and organizational abilities;

✔️ Knowledge of JavaScript and the ECMAScript 6 standards;

✔️ 3+ years of commercial experience with Node.js;

✔️ 5+ years of commercial experience in web development;

✔️ Commercial experience of working with DB;

✔️ Commercial experience in implementing the REST and WebSockets;

✔️ Experience of GIT version control system;

✔️ Experience with databases MySQL;

✔️ Experience with RabbitMQ;

✔️ Experience with Redis.

✅ Nice to Have:

✔️ Experience with TypeScript.

✅ We offer excellent benefits, including but not limited to:

🚀 Career growth opportunities in an international and dynamic environment;

📚 Opportunity to develop language skills with partial compensation for language courses;

🎁 Special gifts for birthdays, weddings, and newborns;

🏝️ 26 working days of paid annual vacation, plus paid sick leave;

🍲 Office snacks and refreshments;

🏋️ ♂️ Sports package to support a healthy lifestyle;

🩺 Comprehensive medical insurance for you and your partner;

📍 Comfortable office with great facilities in a prime location;

🎉 Exciting corporate events, team-building activities, and international company parties.

We are looking for a Project Manager who acts as a true Project Owner — a leader fully responsible for project performance, client satisfaction, and team success.
This role combines strategic thinking, operational excellence, and the ability to turn insights into measurable results.

Key Responsibilities:
Day-to-Day Operations & Performance Management

• Ensure consistent and high-quality delivery of project KPIs.
• Analyze operational data, identify performance gaps, and develop and implement improvement plans.
• Lead the project team, taking full responsibility for both external results and internal operations.
• Manage workforce planning: recruitment, training, scheduling, and resource allocation.
• Oversee project financials — control budgets, ensure cost efficiency, and prepare reports for internal and client use.
• Maintain clear and timely communication within the team and with stakeholders.

Client Relationship & Partnership

• Act as the primary owner of the client relationship — not only participating in, but leading and facilitating strategic meetings, Weekly/Monthly Business Reviews, and regular syncs.
• Build trust-based, partner-level relationships with key decision-makers.
• Proactively manage client expectations, identify risks, and ensure Key Client Satisfaction through transparency, reliability, and continuous improvement.

Strategic Management & Development

• Define and execute the long-term project strategy, fully aligned with client goals and company vision.
• Identify and implement opportunities for scaling, process optimization, and innovation.
• Translate strategic goals into actionable roadmaps with measurable outcomes.
• Anticipate operational challenges and design preventive actions to ensure sustainable delivery.

Cross-functional Leadership

• Collaborate effectively with internal departments — Operations, Training, QA, IT, and People teams.
• Ensure alignment and smooth communication between client and internal teams.

• Promote a culture of ownership, accountability, and continuous improvement across the project.

   

Requirements:

• 2+ years of experience as a Project Manager, Delivery Manager, or similar role in customer support, e-commerce, ride-hailing, or delivery projects.
• Proven track record of owning project results and managing large-scale operations.
• Strong analytical mindset and ability to make data-driven decisions.
• Excellent communication, negotiation, and leadership skills.
• Confident user of MS Power Suite (Excel, Power BI, PowerPoint, Teams, etc.).
• English — Fluent / Advanced level (verbal and written) — communication with a British decision-maker and key stakeholders.

We are seeking an experienced Key Account Manager with a solid background in fintech. In this role, you will manage and nurture relationships with key clients, ensuring their needs are met while driving revenue growth.

Regular tasks 
Provide and support the client with the full onboarding cycle to ensure a smooth and successful start to our collaboration

• Develop and implement strategic account plans to achieve revenue targets and strengthen relationships with key enterprise clients
• Proactively identify and pursue upsell and cross-sell opportunities within existing accounts
• Conduct regular business reviews with clients to understand their evolving needs and ensure PayDo's solutions align with their objectives
• Negotiate and close complex B2B deals with senior decision-makers at enterprise clients
• Foster and maintain strong client relationships built on trust, transparency, and mutual respect
• Monitor key performance indicators (KPIs) and metrics to track account growth, satisfaction levels, and potential risks
• Collaborate with cross-functional teams, including sales, marketing, and customer success, to ensure a seamless client experience
• Keep the AM reporting up to date
  
  Skills & Requirements
  Minimum of 2 years of experience as a Key Account Management (B2B)/ Legal Consulting (Fintech) or Payment Management (iGaming, Crypto, Forex, and E-commerce industries) with the same scope of responsibilities
• Basic Knowledge of Fintech
• Experience in onboarding clients for the "direct acquiring" product
• Proactive approach
• Good communication and self-management skills, result-oriented
• Upper-Intermediate/ Advanced level of English proficiency, Fluency in Ukrainian/ Russian
  
  We work in a result-driven culture. You will fit in if you:
  Own your work with no excuses.
• Take initiative and act before being told.
• Deliver results that make a real impact.
• Solve problems quickly with practical solutions.
  
  What we offer:
• Regular Performance Reviews Based on KPIs – for your professional growth.
• Transparent career growth – with opportunities to achieve Lead roles within 1 year, Head roles in 2 years, and even C-level within 4 years, based on exceptional performance.
• Innovation Financial Rewards – share your ideas through our PayDo Ideas Hub and earn extra bonuses.
• Paid Vacation – with the flexibility to transfer unused days to the next year or receive compensation.
• Paid Sick Leave – available to cover medical needs and emergencies.
• Public Holidays tailored to your country's calendar.

• Flexible Payout Options – PE accounts or popular e-wallets.
   

  Our Hiring Process: 

  -Application Screening Interview Stages (2-3 weeks) 

  -Prescreening Call with recruiter (40 min)

  -HR Interview (40 min) 

  -Technical Interview (60 min) 

  -Job Offer & Background Check

We are looking for a Business Analyst with a background in logistics or a strong understanding of logistics processes.

In this role, you will gather, analyze, and document business needs, translate them into practical software solutions, and support their development and implementation.

We’d love to hear from you if you are:

• A Business Analyst with hands-on experience in the logistics domain, or
• A logistics professional with strong process knowledge who is ready to shift into the IT industry and grow in a Business Analyst role.
   

Responsibilities:

• Analyze complex business processes and translate them into functional and technical requirements
• Communicate with international clients to identify, document, and clarify business needs
• Facilitate discovery sessions and stakeholder interviews
• Document solution designs, business process models, user stories, and data flow diagrams
• Collaborate with cross-functional teams: developers, consultants, QA, and PMs
• Take part in solution configuration, testing (UAT), and deployment
• Conduct product demos and support user onboarding
• Provide consulting on Microsoft Dynamics 365 Business Central and related platforms
• Facilitate pre-sales activities such as estimates and quotations
• Assist in regulatory compliance documentation and client audit support
• Troubleshoot operational issues and collaborate with user groups for resolution
   

Requirements:

• 3+ years of experience in business analysis or relevant experience in logistics operations
• Understanding of logistics, supply chain, warehousing, transportation, or related domains
• Experience WMS, TMS, other logistics systems
• Strong analytical thinking and structured approach to problem-solving
• Experience preparing functional documentation, user stories, and process descriptions
• Upper-Intermediate English (written & spoken) — essential for client communication
• Solid communication and stakeholder management skills
• Experience working in Agile/Scrum teams
• Attention to detail and responsibility for delivering quality
• Bachelor’s degree in Business, IT, Logistics, or a related field
• Desire to learn and grow in a dynamic IT environment
   

Would Be a Plus

• Participation in system implementations from scratch
• Involvement in integration projects (including customs)
   

What We Offer:

Growth and Development:

• Clear career progression with transparent growth opportunities
• Exposure to working with international clients and teams
• Access to professional training and seminars
• Internal training sessions and knowledge sharing from our experts
• Corporate English courses
   

Team and Culture:

• Work with a team of professionals in a supportive and friendly environment
• Transparent and timely feedback to help you grow
• A collaborative and fun atmosphere, where we value humor alongside hard work
   

Compensation and Benefits:

• Competitive salary aligned with market rates and your performance
• Annual salary reviews based on performance
• Flexible working hours (choose your start time between 8:00 AM and 10:00 AM)
• No bureaucracy, with clear processes and workflows
• Work-life balance
• Health insurance
• 20 paid vacation days per year
• 10 paid sick leaves per year

We look forward to welcoming you in our team!

About Brebeneskul Consulting: Brebeneskul Consulting is a Ukrainian-Danish business consultancy and B2B lead generation provider with a proven track record of servicing the technology and finance sectors. 

Role Overview:  As a full-time Researcher at Brebeneskul, you’ll play a key role in shaping insights that drive our clients’ success. Reporting directly to the Head of Research, you’ll collaborate on diverse client-facing research projects and deliver tailored lists of decision-markers that power our outbound engagement campaigns.

You are:

• Excited about working at a leading lead generation, sales and marketing agency
• Curious and motivated to work with diverse companies and their unique business needs
• Passionate about financial markets, technology, trends, and innovative tools that drive growth
• Strategic thinking with an entrepreneurial spirit approach

Responsibilities:

• Compile data from multiple sources and enter unified data into databases and CRM systems
• Ensure data integrity by checking accuracy and consistency of data
• Resolve duplications and discrepancies in data
• Research and obtain further information for incomplete data
• Respond to information requests from authorized employees
• Test new query tools

You Bring:

•  Ideally, prior lead generation/market research experience
• University degree from a recognized school (preferably business or finance-related)
• Proficiency with Google Workspace/MS Office/Lead Generation tools
• Team player attitude and can work independently with minimal supervision
• A keen sense of initiative and commitment to contributing toward goals
• Strong time management skills with the ability to handle multiple tasks effectively
• Superior attention to detail and a high degree of accuracy – a must

• ⁠Familiarity with lead enrichment or scraping tools (e.g., Hunter.io, Lusha, Apollo) is a plus 

   

We Offer: 

• Start base salary  USD 650 per month, commensurate on experience
• Best-in-class training and development
• We work Mon – Fri, from 9 AM to 6 PM (8 hrs + 1 hour break)
• Fully remote work
• Exposure to global companies in Venture Capital, Technology, and Finance
• Opportunities for career progression into a team lead or function management role
• A collaborative, supportive, and ambitious work environment where your contributions truly matter

Responsibilities:

• Drive the strategy and roadmap for debit, credit, and virtual card products.
• Launch card programs from scratch: from BIN sponsorship and Visa/Mastercard approvals to card issuance and transaction processing.
• Manage integrations with processing platforms, personalization bureaus, and settlement partners.
• Oversee the enablement of Apple Pay, Google Pay, and tokenization services.
• Ensure compliance with Visa/Mastercard standards, PCI DSS, and local regulatory requirements.
• Collaborate with engineering, operations, and compliance teams to deliver scalable solutions.
• Define product requirements and track key metrics (interchange, transaction volumes, active card usage).
• Work with payment networks and partners to optimize card economics and enhance customer experience.

What We Expect from You:

• 4+ years of experience in product management or card program management within banking or fintech.
• Proven track record of launching Visa and/or Mastercard card products.
• Strong understanding of card scheme rules, BIN sponsorship, and regulatory requirements.
• Hands-on experience with Apple Pay, Google Pay, tokenization, and card transaction flows.
• Familiarity with processing systems, card personalization, and settlement operations.
• Excellent project management and stakeholder communication skills.
• Fluency in English.

Who we are:
Selesa offers IT outsourcing, specialist out-staffing, and project management services to enhance business operations. We focus on providing skilled professionals for IT needs, including development, security consulting, and business development. Selesa also manages sales, account management, and human resources to support company growth. Our services are known for efficiency, quality, and strong communication, making us a trusted partner for businesses looking to streamline and secure their IT infrastructure. Originated in Vilnius, Lithuania, we cater to global clients.

Who we are looking for:

We’re looking for a Client Success Manager who will be responsible for making sure clients get the most value out of a company’s product or service. The main goal is to build long-term relationships and help clients succeed, which in turn reduces churn and drives growth.

Responsibilities

• Develop and maintain strong, long-term client relationships.
• Act as the primary point of contact for clients, ensuring a positive customer experience.
• Guide clients through onboarding to ensure fast adoption and value realization.
• Understand client goals and align product usage to meet their business needs.
• Monitor customer health, satisfaction, and retention metrics.
• Proactively identify and resolve issues to prevent escalations.
• Regularly engage with clients to provide updates, best practices, and product insights.
• Collaborate with internal teams to advocate for client needs and improvements.
• Identify opportunities for upselling, cross-selling, and contract renewals.
• Provide feedback to product and management teams based on client input.

Requirements:

• Experience in iGaming is a must
• 5+ years experience in Client Success, Account Management, or related client-facing roles.
• Work experience in product lifecycle, SaaS integrations.
• Familiarity with SaaS environments and technical concepts to engage effectively with clients and internal teams
• Knowledge of software tools and platforms that unify customer data and insights to support effective account management.
• Ability to leverage aggregated customer data and reports to guide and support a team of CSMs
• Strong attention to detail and teamwork skills.
• Ability to meet deadlines in a fast-paced environment.

What we offer:

• Fully remote position with a flexible schedule
• Long-term opportunity with potential for financial and career advancement

• Supportive and positive work culture, collaborating with like-minded teammates

   

When submitting your application, please make sure to include your responses to the following screening questions in your COVER LETTER:

1. Please explain to us your level of spoken/written English. Just rank it from 1 to 10, where 10 means a Native Speaker; 8-9 means a Near Native Speaker; 6-7 means Fluent Speaker; under 6 any further levels.
2. Can you describe a time you led client lifecycle management and helped drive retention or growth? What strategies or tools did you use?
3.  What are your Monthly salary expectations for a long-term, full-time position (if we consider 40 hours a week)?    

4. What is your notice period and how soon can you join ?   

Join Burny Games — a Ukrainian company that creates mobile puzzle games. Our mission is to create top-notch innovative games to challenge players’ minds daily.

What makes us proud?

• In just two years, we’ve launched two successful mobile games worldwide: Playdoku and Colorwood Sort. We have paused some projects to focus on making our games better and helping our team improve.
• Our games have been enjoyed by over 45 million players worldwide, and we keep attracting more players.
• We’ve created a culture where we make decisions based on data, which helps us grow every month.
• We believe in keeping things simple, focusing on creativity, and always searching for new and effective solutions.

What are you working on?

• Genres: Puzzle, Casual
• Platforms: Mobile, iOS, Android, Social

Team size and structure?

130+ employees

Key Responsibilities:

• Build and maintain ML for product and marketing teams
• Develop predictive systems for personalization, recommendations, and dynamic game content
• Automate data workflows and create reliable, scalable ML pipelines from feature engineering to deployment
• Monitor model performance, detect drift, and ensure ongoing accuracy and stability of ML systems
• Partner with Product, Marketing, and Engineering to integrate ML solutions into live games and operational workflows
• Own DS/ML projects end-to-end: from defining the problem to production deployment and iteration
• Share knowledge, conduct code reviews, and promote best practices across the data team

About You:

• 4+ years of experience in Data Science or ML, with a track record of delivering production models (2+ years in gamedev or consumer apps businesses)
• Strong background in statistical modeling, forecasting, and machine learning
• Advanced programming skills in Python or R (pandas, numpy, scikit-learn, PyTorch/TensorFlow or tidyverse, caret, mlr), writing clean and maintainable code
• Excellent SQL skills, confident with large-scale datasets and cloud data warehouses (BigQuery, Snowflake, Redshift)
• Experience deploying, monitoring, and maintaining ML models in production environments
• Strong problem-solving mindset, able to translate business and product goals into ML solutions
• Clear communicator who can explain complex models and systems to both technical and non-technical teams
• Passion for gaming and curiosity about player behavior

Will Be a Plus:

• Experience building user-level LTV forecasting models
• Background in recommender systems, personalization, or contextual bandits
• Familiarity with MLOps practices and tools
• Experience with ETL/orchestration frameworks (dbt, Dataform, Airflow)
• We run on GCP — experience with BigQuery, Vertex AI, Pub/Sub, and Cloud Run/Functions

What we offer:

• 100% payment of vacations and sick leave [20 days vacation, 22 days sick leave], medical insurance.
• A team of the best professionals in the games industry.
• Flexible schedule [start of work from 8 to 11, 8 hours/day].
• L&D center with courses.
• Self-learning library, access to paid courses.
• Stable payments.

The recruitment process:

CV review → Interview with TA manager → Interview with Head of Analytics → Final Enterview → Job offer

If you share our goals and values and are eager to join a team of dedicated professionals, we invite you to take the next step.

We’re looking for a Junior CRM Manager with at least 6 months of experience in iGaming (casino and/or sports betting). This is a great opportunity for someone who already has a foundation in CRM and wants to grow into a more advanced role while working on exciting player engagement projects across two dynamic verticals.

Key Responsibilities

• Assist in managing the full player lifecycle: activation, retention, reactivation.
• Support planning and execution of multichannel CRM campaigns (email, SMS, push, in-app, messengers).
• Help with player segmentation and basic personalization of offers based on user behavior.
• Monitor campaign timing around sports events and casino promotions.
• Collaborate with product, content, and design teams to deliver engaging campaigns.
• Track and report on campaign KPIs (Retention Rate, Churn, Bonus Cost, etc.) with guidance from senior team members.
• Stay informed about iGaming industry trends and CRM practices to bring fresh ideas.
• Follow responsible gaming standards and regional regulations.

Requirements

• 6+ months of experience in CRM, retention, or lifecycle marketing within iGaming (casino/sports).
• Basic understanding of player behavior, segmentation, and campaign personalization.
• Familiarity with CRM tools (e.g., Customer.io, OneSignal, or similar).
• Some experience working with data/BI tools to review performance metrics.

• Strong communication skills and a willingness to learn quickly.

   

Why Join Us?

• Be part of a fast-growing global iGaming company.
• Learn from experienced CRM professionals and expand your skills.
• Get exposure to both casino and sports verticals.
• Enjoy a flexible remote setup and plenty of opportunities to grow your career.

🏢 About Us

At Dilizy, we are redefining how automotive dealerships operate using AI-powered tools for inventory management, pricing, and process automation. As we scale our products and engineering team, we are looking for a QA Engineer who combines strong manual testing skills with hands-on automation experience to help ensure our platform’s quality, reliability, and scalability.

🔍 What You’ll Do

• Test web and mobile applications across manual and automated layers
• Develop, maintain, and improve automated test cases (UI/API level)
• Design test plans and write test documentation (test cases, checklists, test data)
• Perform functional, regression, smoke, and exploratory testing
• Integrate automated tests into CI/CD pipelines
• Track and verify bugs using tools like ClickUp
• Collaborate with developers, product managers, and designers to clarify features and test coverage
• Participate in QA process improvements and contribute to team knowledge base

✅ What We’re Looking For

• 1 year of experience in QA, covering both manual and automation testing
• Solid understanding of software testing methodologies and best practices
• Hands-on experience with automation tools like Cypress
• Strong knowledge of REST API testing (manual and automated)
• Proficiency in using Postman, Swagger, or similar tools
• Experience with version control (Git), and CI tools (e.g., GitLab CI/CD, Jenkins)
• Ability to create clear, structured bug reports and test documentation
• Strong communication and teamwork skills

🌱 Nice to Have

• Basic knowledge of SQL and data validation
• Previous experience in startups or AI/SaaS products

🚀 What We Offer

• Collaborative, international team focused on building meaningful, high-impact tools
• Freedom to improve processes, QA strategy, and testing frameworks
• Room for growth into Middle/Senior QA, SDET, or Release Engineering roles
• Competitive salary, flexible working hours, and product ownership culture

📬 Ready to Apply?

If you’re a versatile QA who can shift between exploratory testing and automated checks, and you’re excited to work on a fast-evolving AI product — we’d love to hear from you.

At SPD Technology, we bring together a team of like-minded people who are driven by the desire to bring value through their work, united in their commitment to high performance and delivering custom, cutting-edge tech solutions that drive clients’ growth. We empower our people with a culture of excellence and enable them with the opportunity to uphold their accountability to contribute on each level. We value humanity and collaboration, encourage professional and personal growth, and foster a supportive and flexible work environment where everyone’s contribution is welcomed.

We are looking for a Senior ML & AI Engineer to join us as part of our team.

About the role

PitchBook’s Machine Learning Engineer is responsible for using machine learning, statistical modeling, and natural language processing (NLP) to collect a high volume of data for the PitchBook Platform and surface insights for the capital markets. This role will also serve as a resource and mentor for junior members of the team. A strong motivation to succeed is critical, and everyone has the opportunity to shape the long-term direction of our team.

About the project

PitchBook — a platform for investment professionals. Our software provides access to data and the analytical tools to get answers fast and discover promising opportunities. Uncovers actionable insights and trends hidden within the financial data of more than three million companies. Users all over the world include large corporations, start-ups, venture capital and private equity firms, investment banks, and many others. Features of PitchBook: Advanced search / Discovery & insights / Company profiles / Workflow & efficiency / Financials, and many more.

Team

Engineering Manager, 6 ML & AI Engineers

Work Environment

The role offers a flexible work schedule, allowing you to adapt your working hours with the requirement to attend all team meetings. The team follows a Scrum-based Agile methodology.

As a qualified expert, You will

• Work with GenAI & LLMs: Design, develop, and fine-tune generative AI models using transformer architectures. Implement advanced techniques to create practical solutions for real-world challenges.
• Use Modern Toolkits: Leverage frameworks like LangChain, LangGraph, and LangSmith to build automated pipelines and intelligent agents. Integrate these tools with vector databases for efficient similarity search and real-time analysis.
• Extract Data Insights: Process and analyze large volumes of unstructured data using embeddings and statistical modeling to identify meaningful insights.
• Build Scalable Systems: Collaborate with cross-functional teams to create production-grade ML systems that handle real-time, high-volume data processing.
• Mentor & Lead: Act as a mentor for junior team members and stay updated on trends in Agentic AI, transformer models, and generative systems.
• Collaborate & Communicate: Work with Product and Engineering teams to improve data management and support innovation. Present complex analyses clearly and effectively.
• Tech Stack & Focus Areas:
• Work with generative AI and transformer models, integrating frameworks like LangChain, LangGraph, and LangSmith to automate workflows and build intelligent systems.
• Use PyTorch, Scikit-Learn, and Spacy to build NLP pipelines. Implement vector databases for high-dimensional data embeddings and develop hybrid models to extract insights from diverse data sources.

We’re looking for you if you have:

• Educational Background: You hold a Bachelor’s or Master’s degree in Computer Science, Machine Learning, Statistics, or a related field.
• Experience: You bring 4+ years of production experience in the ML field, with a track record in developing transformer-based models and deploying them in scalable systems.

• Technical Expertise:

  - Proficient in Python and machine and deep learning frameworks like TensorFlow, PyTorch, ScikitLearn, Spacy, or others.

  - Experienced in natural language processing and modern LLM-based techniques.

  - Experience with full ML lifecycle, data preprocessing, training, evaluation stage, and monitoring techniques.

  - Skilled with SQL and data extraction methods.

• Innovative Thinker: You thrive on solving complex problems and are always exploring new trends in Generative AI.
• Collaborator & Communicator: You’re an excellent communicator able to collaborate and professionally express your thoughts to team members, other engineering teams, and stakeholders.
• Domain Knowledge: Exposure to financial services, investment banking, venture capital, or private equity is nice to have.

What’s in it for You

Reveal great tech solutions

Join the team of experts who create custom, cutting-edge tech solutions for world-renowned businesses, fueling client growth. Unleash your potential, tackle new challenges, and be part of a team that values your skills and contributions. Focus on long-term impact and building tailored, long-lasting partnerships with our clients.

Experience an agile and flexible working environment

Enjoy the freedom of fully remote work with a flexible working schedule. Empower yourself with a stable workload and a stable income, supported by provided laptops and licensed software. We focus on lasting cooperation and unite result-oriented individuals who stand on a high-performance approach to work.

Embrace the opportunity for personal and professional growth

Benefit from performance and merit reviews, elevate your skills with personal development plans, and individual learning through the corporate library, public speaking support, and more.

Be among like-minded people

Work with a team of one mind who cares about what they do and how they do. Collaborate with top-notch experts who are always ready to help and support you through any challenges. Join company-wide tech and cultural events, and contribute to meaningful CSR initiatives that resonate with your values. Feel supported by your HR, and take advantage of our referral bonus program.

Interview steps

• Pre-Screening with the recruiter
• Technical interview (up to 90 min)
• System Design interview (up to 45 min)
• Behavioral Round with Product Manager (45 min)
• Final interview with Engineering Manager (60 min).

BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. ‍Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. 

Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don’t follow formats. We shape them. We build what works, launch it fast, and make sure it hits.
 

We’re looking for a Senior Full Stack Developer with experience in Node.js and React (80% Backend & 20% Frontend) to join our development team in Lisbon, Portugal. 

You’ll help build a next-generation payment integration platform that connects businesses with multiple financial service providers through scalable, secure APIs.

 

✅ Responsibilities:

✔️ Design, implement, and optimize robust solutions to enhance our proprietary payments platform, ensuring high performance, scalability, and security.
✔️ Develop and maintain complex integrations with payment providers, banks, and other third-party systems, ensuring seamless data flow and alignment with technical and regulatory requirements.
✔️ Actively participate in all stages of creating new features, from initial concept and technical design to implementation and final delivery.
✔️ Contribute to the development and ongoing evolution of our fintech payments solution, ensuring innovation and adaptability to market needs.
✔️ Collaborate in agile development cycles with bi-weekly sprints, utilizing practices such as SCRUM, grooming, and sprint planning to consistently deliver product value.
✔️ Identify opportunities for technical and process improvements, driving efficiency and innovation throughout the software lifecycle.
✔️ Work closely with design, product, and business teams to ensure features meet user expectations and support business objectives.
 

✅ Requirements:

✔️ 5+ years of commercial experience in web development.
✔️ 3+ years of hands-on experience with Node.js.
✔️ 3+ years of frontend development experience using React.
✔️ Solid experience with NextJS, NestJS, Apollo, and Material UI.
✔️ Strong proficiency in TypeScript.
✔️ Commercial experience working with high-load SQL or NoSQL databases.
✔️ Familiar with REST, GraphQL, and WebSockets.
✔️ Understanding of TDD and writing effective automated tests.
✔️ Experience with microservice architecture principles.
✔️ Proficient with Git version control workflows.
✔️ Hands-on experience with RabbitMQ and Redis.
✔️ Experience with MongoDB and MySQL.
✔️ Advanced level of English, both written and spoken.
 

✅ We offer excellent benefits, including but not limited to:
🧑🏻‍💻 Learning and development opportunities and interesting, challenging tasks
✈️ Relocation package (tickets, staying in a hotel for up to 2 weeks)
📚 Opportunity to develop language skills, with partial compensation for the cost of English and Portuguese language classes (for localization purposes)
🔐 Health insurance;
🏝 Time for proper rest, with 24 working days of annual vacation and additional paid sick days;
🚌 Transport compensation 

 

Bold moves start here. Make yours. Apply today! 

Job description

Our client is an international product-based IT company specializing in the iGaming industry. Founded in 2014, the company quickly became a leader in the CIS region and is now expanding globally.

We are currently looking for a Senior Golang Developer.

📋 Key responsibilities and your contribution:

• Developing and maintaining microservices in Go
• Participating in architectural design (DDD, Event Sourcing, SOLID, Design Patterns)
• Integrating with external systems via API (REST, gRPC, WebSocket)
• Optimizing performance and resiliency (Pprof, tracing, etc.)
• Implementing and maintaining monitoring and logging systems (Prometheus, Grafana, ELK, etc.)
• Working with message brokers (Kafka, RabbitMQ)
• Writing tests: unit, integration, TDD
• Working with SQL and NoSQL databases, caches, and migrations
• Code review, participation in CI/CD processes (GitLab CI, linters)
• Participating in task planning, decomposition, and estimation (Agile, Scrum/Kanban)
• Mentoring junior developers and contributing to the hiring process

📚 Your qualifications:

• Expertise in Go with 4+ years of hands-on experience
• Strong understanding of Go core concepts: data structures, interfaces, goroutines, channels, defer, context, memory model
• Experience with Go packages and frameworks: sync, runtime, profiling tools, race detector, Gin, Echo, Go-Kit, Beego
• Knowledge of software architecture and design: DDD, Event Sourcing, 12-Factor App, SOLID principles, design patterns, microservices
• Experience building fault-tolerant, observable systems
• Proficiency in testing and related tools: unit, integration, performance, security; go test, httptest, Testify
• Strong understanding of algorithms, data structures, and complexity
• Hands-on experience with monitoring and logging tools: Sentry, Prometheus, Grafana, Alertmanager, ELK stack, OpenTelemetry, Jaeger
• Experience working with databases and caching: PostgreSQL, MySQL, MongoDB, ACID, indexes, transactions, replication, migrations
• Good understanding of APIs and networking: HTTP/1.1, HTTP/2, REST, gRPC, WebSocket, OSI model, TCP/UDP
• Experience in API debugging and network troubleshooting

➕ Nice to have:

• Experience with Highload systems
• Understanding of ISO 27001, GDPR, PCI/DSS compliance
• Contributions to Open Source or a public GitHub profile

Benefits:

⭐ Days of recovery: 20 paid vacation day per year and unlimited sick leave days.
⭐ Health: corporate medical insurance, a company psychologist and a Cafeteria of Benefits for personal wellness choices.
⭐ Education: a variety of foreign languages course for you to choose from. Also we are open for your development and you can choose different courses /training for improving your skills.
⭐ Compensation: additional benefits that can be used according to company policy, e.g. paid business trips, international conference opportunities, lunch perks at our offices etc.
⭐ Work Environment: work remotely or from one of our offices in Cyprus, Portugal, Poland, equipped with the equipment you’ll need for success.

We are looking for a  Node.js Developer (Blockchain Project).

We are building a next-generation ecosystem with a blockchain as its foundation, a non-custodial wallet, and a stablecoin protocol. After a successful demo, the project is now preparing the core components (blockchain + stablecoin) for launch. In parallel, development has started on additional secured projects, including:

• A document management system,
• A country-specific solution,
• An e-invoicing platform,
• And several other ecosystem modules ready to begin.

Tech Stack

• Node.js / TypeScript, NestJS
• PostgreSQL, Redis / Valkey
• L2 blockchain (interaction with other networks)
• Docker, Kubernetes (bare-metal & cloud infrastructure)

Responsibilities

• Write efficient, maintainable code;
• Design and implement independent, self-sufficient components efficiently;
• Participate in architectural discussions and technical decision-making;
• Identify potential technical risks and develop mitigation strategies;
• Ensure effective knowledge sharing and maintenance within the team;
• Foster a collaborative and innovative development environment;
• Perform cross code reviews with team members;
• Properly maintain documentation.

Requirements

• 3+ years of experience with server-side JS/TS;
• Solid understanding of TypeScript and JavaScript fundamentals and internals;
• Experience with Express, NestJS, or similar frameworks;
• Strong understanding of asynchronous programming, event-driven architecture, and non-blocking I/O;
• Understanding of different types of scaling and microservice architectures in various implementations;
• Hands-on experience with Web3.js or Ethers.js for interacting with Ethereum or other EVM-compatible networks;
• Understanding of smart contracts;
• Familiarity with popular blockchains such as Ethereum, Binance Smart Chain, or Layer 2 solutions;
• Expertise in data structures, algorithms, and software design patterns;
• Solid understanding of software architectural patterns;
• Experience with relational databases (especially PostgreSQL);
• Deep experience with SQL (including schema/query design and optimization);
• Experience with ORMs;
• Familiarity with Docker, containerization, and orchestration tools;
• Strong analytical and problem-solving skills;
• Proficiency in writing unit, integration, and end-to-end tests;
• Conversational English.

Will be a plus

• Familiarity with DevOps practices and Infrastructure-as-Code (IaC) tools;
• Understanding of consensus algorithms, cryptographic principles, and decentralized applications (dApps);
• Familiarity with Matter Labs’ zk stack;
• Experience in the FinTech domain;
• Understanding of different rollup technologies;
• Openness to technology stack changes and adaptability.

We offer:

• Competitive compensation;
• Social package (24 working days of annual leave, 5 paid sick days);
• Flexible working hours;
• Challenging projects in diverse business domains and a variety of tech stacks;
• Personal development and professional growth opportunities;
• Work with talented, ambitious and family-feel teams;
• Educational possibilities: corporate courses, knowledge hubs, and in-house English classes;
• Compensation for your professional certification & support for your learning activities;
• Opportunity to choose IT equipment you like;
• Corporate social responsibility.