Jobs Poland

Paycord is a PayTech company with a high-load platform for payment processing. We combine fintech expertise with merchant insights to create innovative solutions. We’ve successfully developed a strong product that helps businesses succeed in new markets.

Our primary focus is on solution-driven development, and we prioritize the needs of our business clients. We provide access to a wide range of local and international payment methods, supporting businesses in reaching new heights and achieving excellence.

We’re looking for a Sales Manager to join our team.

You would be running such tasks as:

• Search for the payment providers in respective markets, contacting them;
• Search for the new merchants interested in payment solutions in the new discovered Emerging Markets;
• Negotiation with the payment providers of fees and conditions favourable to the company;
• Attending conferences, industry events, partners’ offices, business trips in target market;
• Developing and owning of billing strategy, strong vision of long-term goals and ways to achieve them;
• Taking decision to sign contract with a partner and responsibility for its comprehensive evaluation of business fit;
• Support of strong formal and informal relations with existing and potential partners.

Required skills and expertise:

• Proven experience in a Sales Manager or Business Development role within payments or fintech;
• Mandatory experience working with Payment Service Providers (PSP);
• Strong background in high-risk industries such as Forex, iGaming, crypto, or similar sectors;
• Fluent English (spoken and written) is required;
• Strong network within the payments/high-risk ecosystem is highly preferred;
• Excellent negotiation and communication skills;
• Self-motivated with a strong results-driven mindset;
• Ability to work independently in a fast-paced environment.

We offer:
Care for your health and well-being:

• 100 % paid sick leaves;
• 20 working days of paid vacation;
• Medical support;
• Benefits Cafeteria (budget for gym/stomatology/psychological service & etc.);
• Corporate gifts & events.

Professional growth & development:

• Competitive salary with annual salary promotions;
• Internal training courses;
• Work with a team of professionals and have the opportunity to share knowledge.

Corporate Culture:

• Dynamic and result-oriented work environment;
• The ability to influence product development at an early stage;
• Openness to new ideas and approaches, healthy team discussions;
• No “red tape” culture.
   

Candidate journey:
HR Interview ---> Interview---> Final Interview

PIN-UP Global is an international company specializing in developing and implementing advanced technologies, B2B solutions, and innovative products.

We ensure certification and licensing of our products, providing customers and partners of the holding company with high-quality and reliable solutions.

PIN-UP Global is represented in Cyprus, Poland, Kazakhstan, Armenia, Peru, Malta. The holding’s headquarters is located in Cyprus.

We are looking for a Growth Product Manager to build a next-generation Business Operating System that allows companies to launch and operate globally in minutes. You will own the product vision and roadmap, translate complex business, legal, financial and technical requirements into clear product specifications, and work closely with engineering, design and stakeholders. 

The role requires strong systems thinking, experience with complex SaaS or platform products, and the ability to balance speed, scalability and compliance. Prior experience with fintech is a strong plus.

Requirements:

• 3+ years of experience as a Product Owner/Product Manager;
• Hands-on experience building or scaling ERP, CRM or other Business Operating Systems;
• Experience with products that have complex logic, multiple entities, roles, and integrations;
• Strong skills in writing clear user stories and acceptance criteria;
• Experience working with Agile / Scrum / Kanban;
• Strong analytical and systems-thinking mindset;

• Fluent Russian, English.

   

Responsibilities:
– Define product backlog and priorities based on business needs and market dynamics;
– Convert requirements into clear user stories, acceptance criteria, and well-structured backlog items;
– Coordinate daily with engineering to ensure clarity of requirements, progress, and blockers;
– Work closely with legal/compliance on regulatory alignment, risk assessment, and different stakeholders requirements;
– Oversee sprint planning, grooming, and release cycles to ensure timely feature delivery;
– Validate product features through testing, QA coordination, and acceptance checks before deployment;
– Analyze usage metrics, partner feedback, and industry trends to identify opportunities and improvements;
– Monitor changes in Business Operating Systems and adjust the roadmap accordingly;
– Ensure that product features and integrations comply with regulatory and other requirements.

What are the conditions and bonuses?

🍀An exciting and challenging job in a fast-growing product holding, the opportunity to be part of a multicultural team of top professionals in Development, Engineering and Architecture, Management, Operations, Marketing, etc;

🤝Great working atmosphere with passionate IT experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed;

📍Beautiful offices in Warsaw, Limassol, Yerevan — work with comfort and enjoy the opportunity to build a network of connections with IT professionals day by day;

🧑‍💻Laptop & all necessary equipment for work according to the holding standards;

🏖Paid vacations, personal events days, days off;

🫖Paid sick leave;

👨‍⚕Medical insurance;

💵Referral program — enjoy cooperation with your colleagues and get a bonus;

📚Educational support by our L&D team: internal and external trainings and conferences, courses on Udemy;

🗣Free internal English courses;

🤸‍♀Sport benefit;

🦄Multiple internal activities: online platform with newsletters, quests, gamification, and presents for collecting bonuses, PIN-UP talks club for movie and book lovers, board games cozy evenings, special office days dedicated to holidays, etc;

🎳Company events, team buildings.

We are building a scalable media network and looking for an experienced Senior Broadcast Operations Manager to lead and optimize our ad broadcasting and placement pipeline across 50+ newsletter domains.
 

This person will build and manage the advertising calendar, ensure proper placement and execution of campaigns, and work closely with Content, Analytics, and Growth to maximize monetization performance.

This is a high-ownership role for someone who thrives in fast-moving environments, understands email monetization, and brings proven experience in broadcast execution, campaign scheduling, and direct-response promotions.
 

We are not looking for someone who just “runs tasks.”
We want someone who cares about performance, takes responsibility, and drives results.
 

Key Responsibilities

• Build and maintain ad placement calendars across 50+ newsletter properties
• Manage ad inventory, placement rotation, and partner allocations
• Assign offers, creatives, hooks, and links based on strategy & performance history
• Ensure correct tracking, UTMs, and attribution for each send
• Maintain sending quality and distribution cadence
• Collaborate with analytics to analyze performance and refine strategy
• Report on monetization performance, efficiency, and fill rate
• Improve workflows, systems, and automation over time
• Identify opportunities to expand revenue, optimize offers, and improve placements
• Serve as a central command point for broadcast execution
   

Ideal Candidate

• 5+ years experience in:
  • Media buying / affiliate / direct-response marketing
  • Campaign management or ad scheduling / rotations
• Strong understanding of tracking, UTMs, delivery windows, frequency, and offer pacing
• A proactive operator who enjoys ownership and continuous improvement
• Excellent communication and cross-team collaboration
• Highly structured, detail-oriented, organized, and calm under scale
• Comfortable making decisions and prioritizing independently
• C1 English — both written and spoken
• Ambitious, hungry, performance-oriented
• Not a “clock-in clock-out” role
   

Nice to Have

• Experience in affiliate or performance media (direct response preferred)
• Newsletter monetization experience
• Experience overseeing ad operations at scale
• Experience in U.S. DTC/affiliate offers
   

Personality & Work Style

• Operates like an owner — not an executor
• Thrives in responsibility and fast growth environments
• Systems thinker: builds process, doesn’t wait for it
• Self-motivated, proactive, ambitious
• Obsessed with performance & accuracy
• Problem-solver, not a task recipient

A product tech company is looking for a DevOps Team Lead in Warsaw.

✅ The company operates a large-scale international B2C digital platform in the live content and streaming domain. The mobile product connects creators with their audiences worldwide and enables talent monetization.

✅ The company is well-established on the global market and backed by an international team distributed across multiple locations.

✅ They offer: options, medical insurance (100% for employees and 75% for family members), lunch in the office, parking, multisport card.

✅ Requirements: DevOps / Infrastructure experience, experience with GCP, Kubernetes, experience leading technical teams or mentoring engineers.

We are a U.S.-based fintech startup operating in the investment and financial services space. Our distributed teams work across Poland, the United States, and Ireland, collaborating on technology-driven solutions related to stocks and investments.

Security, compliance, and the responsible handling of sensitive financial data are central to how we operate, as we build scalable products in a regulated environment.

Responsibilities

- Modernize legacy systems via redesign and refactoring.
- Develop UI using React + Nexus design system.
- Build APIs with proper security and lifecycle governance. 

- Design reusable component libraries and UI frameworks. 

- Collaborate with UX, product, and architecture teams. 

- Optimize frontend and backend performance.

- Support public API documentation and governance.

Skills

- Strong Java, C# + Spring Boot backend capability.
- Expertise in React, TypeScript, Nexus UI components.
- Experience with modernization and migration projects.
- Understanding of microservice and API design.
- Familiarity with CI/CD, linting, testing frameworks.
- Knowledge of frontend security and performance patterns. - Good collaboration across UX and backend teams.

Please read before applying:

The client is building a product in the bank/investment/brokerage systems niche, and their investors have strict security and compliance requirements, where every person will go through a background check.

What does this mean?

Before making an offer, they will check whether you have violated any EU laws.

Why Poland?

The client has teams in the USA, Ireland, and Poland.

For background check — you must be a taxpayer in Poland for 2+ years.

We are looking for a skilled Product Business Analyst willing to apply his current knowledge and skills and is inspired to discover new technologies and become a part of cross-functional team. 

If you have desire to take part in creating of mostly mobile apps and share own approaches with team-mates, then join our friendly team that consists of: Business Systems Analyst, Technical Delivery Manager, Application Architect, Developers (Backend, Frontend and Xamarin/ Flutter), QA Engineers and Designers. 

Requirements 

• Lead discovery sessions, stakeholder interviews, and workshops to define business objectives and success criteria. 
• Identify business processes, document AS-IS and TO-BE flows, and highlight gaps or inefficiencies. 
• Translate business needs into structured documentation: BRDs, PRDs, user stories, acceptance criteria, functional and non-functional requirements. 
• Model system behavior, define integrations, data flows, user roles, permissions, and edge cases. 
• Validate feasibility with tech teams and ensure alignment between business expectations and technical constraints. 
• Support backlog structuring, prioritization, and scope definition together with delivery and engineering leads. 
• Actively participate in pre-sale by analyzing client problems, shaping solution approaches, estimating scope complexity, and contributing to proposals. 
• Manage requirement changes, assess impact, and communicate trade-offs clearly. 
• Identify risks early and proactively propose mitigation strategies. 

From the UX architecture side

• Build end-to-end product vision, defining user journeys, interaction logic, and experience principles. 
• Structure information architecture and ensure logical navigation and system consistency. 
• Align business rules with user experience so that flows are intuitive but technically realistic. 
• Guide designers with clear functional context and support them with decision-making when needed. 
• Be able to step in with solution concepts during client discussions. 

Core Responsibilities

• Lead discovery sessions and stakeholder workshops to define business goals and success criteria. 
• Analyze and document business processes, AS-IS / TO-BE flows, and requirements. 
• Translate business needs into clear documentation (user stories, acceptance criteria, functional and non-functional requirements). 
• Collaborate with engineering and delivery teams to ensure feasibility and scope alignment. 
• Support backlog structuring, prioritization, and change management. 
• Participate in pre-sales activities, including solution shaping and scope estimation. 
• Contribute to product and UX vision by defining user journeys and supporting design decisions. 

What we offer 

• Continuous learning and career growth opportunities 
• Professional training and English/Spanish language classes 
• Comprehensive medical insurance 
• Mental health support 
• Specialized benefits program with compensation for fitness activities, hobbies, pet care, and more 
• Flexible working hours 
• Inclusive and supportive culture 

Наш клієнт, Jugabet —  бренд і ігрова платформа, доступна для гравців у Латинській Америці. Завдяки сильному регіональному фокусу та локалізованим стратегіям, Jugabet швидко стає ключовим гравцем на ринку.

Ідеально для тих, хто прагне:

• Моніторити та контролювати ефективність обробки платежів у межах закріпленого ринку / регіону відповідальності;
• Відстежувати рівень конверсії платежів і проводити технічний аналіз для виявлення та усунення проблем, пов’язаних з оплатами;
• Забезпечувати коректну роботу платіжних методів, включно з перевіркою налаштувань конфігурації (маршрутизація, каскадування, кешування), а також розуміти шляхи ескалації до платіжних провайдерів та/або внутрішніх технічних команд у разі виникнення проблем;
• Опрацьовувати запити від служби підтримки клієнтів, маркетингу та інших внутрішніх команд, пов’язані з транзакціями та платіжною обробкою;
• Працювати з числовими даними та керувати фінансовою і транзакційною інформацією з високою точністю та уважністю до деталей;
• Нести відповідальність за платіжні баланси, включно з моніторингом, розподілом, звіркою та контролем балансів між платіжними провайдерами та внутрішніми рахунками.

Досвід, який стане твоєю перевагою:

• Рівень володіння англійською мовою — Upper-Intermediate або вище;
• Досвід роботи від 1 року на посаді Billing / Payment Specialist, бажано у сфері онлайн-платежів;
• Досвід роботи з Excel та іншими інструментами MS Office;
• Досвід письмової комунікації з міжнародними клієнтами, партнерами або платіжними провайдерами;
• Ґрунтовне розуміння платіжних і транзакційних систем, інструментів та сервісів;
• Глибокі знання платіжних потоків, платіжних методів, бек-офісних систем платіжних провайдерів, а також наявних інструментів моніторингу, аналітики та звітності;
• Загальне розуміння процесів інтеграції з платіжними провайдерами та пов’язаних технічних аспектів (API, колбеки / вебхуки, статуси транзакцій, обробка помилок), достатнє для виявлення проблем і ефективної комунікації з технічними командами.

Ми цінуємо:

• Сильне аналітичне мислення;
• Високу уважність до деталей;
• Сильне почуття відповідальності.

Наші клієнти пропонують конкурентні переваги для підтримки вашого професійного та особистого зростання, зокрема:

• Орієнтація на здоров’я та добробут;
• Медичне страхування;
• Можливості для кар’єрного зростання;
• Пакет бенефітів (відшкодування витрат на спортзал, стоматологічні та психологічні послуги тощо);
• Бонусну систему на основі OKR;
• Динамічне робоче середовище.

Долучайся — і нехай твоя історія зростання розпочнеться.

English version:

Our client, Jugabet, is a brand and gaming platform accessible to players in Latin America. With a strong regional focus and localized strategies, Jugabet is quickly becoming a key player in the market.

Perfect for those who aim to:

• Monitor and control payment processing performance within the assigned market/region of responsibility;
• Track payment conversion rates and conduct technical analysis to identify and resolve payment-related issues;
• Ensure payment methods are functioning correctly, including checking configuration settings (routing, cascading, caching) and understanding escalation paths to payment providers and/or internal technical teams in case of issues;
• Handle and process requests from Customer Support, Marketing, and other internal teams related to transactions and payment processing;
• Work with numerical data and manage financial and transactional information with high accuracy and attention to detail;

• Be responsible for payment balances, including balance monitoring, distribution, reconciliation, and control across payment providers and internal accounts.

   

Experience you’ll need to bring:

• Upper-intermediate level of English;
• 1+ year of experience in a Billing / Payment Specialist role, preferably with online payments;
• Experience using Excel and other MS Office tools;
• Experience in written communication with international clients, partners, or payment providers;
• In-depth understanding of payment and transaction systems, tools, and services;
• Strong knowledge of payment flows, payment methods, provider back-office systems, and existing monitoring, analytics, and reporting tools;

• ​​General understanding of payment provider integration processes and related technical aspects (APIs, callbacks/webhooks, transaction statuses, error handling), sufficient to identify issues and communicate effectively with technical teams.

   

It's a perfect match if you have those personal features:

• Strong analytical thinking;
• High attention to detail;

• Strong sense of responsibility.

   

Our clients offer competitive benefits to support your professional and personal growth, including:

• Health & Wellness Focus;
• Global Medical Coverage;
• Growth Opportunities;
• Benefits Programs (compensation for the gym/stomatology/psychological service & etc.);
• Performance-Driven Rewards;

• Dynamic Work Environment.

   

Apply, and let your growth journey begin.

We’re a growing product team building modern web solutions in the fintech and entertainment domains.

We’re looking for a motivated Junior React / Node.js Developer who’s eager to learn from experienced mentors and grow into a strong Full-Stack Engineer.

📍 Location: Warsaw, Poland (on-site)
🕐 Start: ASAP
 

Requirements:

•  1–3 years of experience with React, Node.js, and TypeScript
•  Understanding of RESTful APIs and CRUD operations
•  Experience with PostgreSQL or MongoDB
•  Good knowledge of HTML5, CSS3 (and preprocessors like SCSS)
•  Familiarity with Git and Agile development
•  English: Intermediate or higher (spoken communication required)

Nice to have:

• Familiarity with CI/CD pipelines
• Basic Docker or AWS experience

Responsibilities:

• Development and maintenance of Front-end applications using React and Web Components;
• Development Backend using Node.js
• Optimization of application performance and scalability.
• Testing and debugging of code.
• Participation in technical discussions and collaborative development.

CONDITIONS:

— The trial period lasts 3 months;

— 15 vacation days per year included (1.25 days are charged every month);

— 5 sick days per year included.
 

We offer:

• On-site position in Warsaw
• Mentorship from senior developers
• Real growth path from Junior to Middle level
• Friendly team and stable environment
• Competitive salary (discussed individually)

💬 If you are ready to join our team and work on exciting projects in Full-Stack development using React / Node.js, we invite you to submit your resume. Join us and showcase your talent in building high-quality, scalable web and mobile applications.

The Calendars builds an iOS app used by millions of people every day to plan their time. We’re looking for an iOS Engineer who wants to work on a large-scale product, contribute to the development of key features, and build a high-quality user experience as part of a strong team.

What you will do:

• Implement, document, maintain existing application functionality.
• Enhance the application's responsiveness. Identify and rectify bottlenecks and bugs.

• Collaborate with UX/UI designers to transform design mockups and wireframes into fully functional and visually appealing iOS application

   

About you:

• Experience developing applications using Swift and Objective-C.
• Understanding of iOS design principles, interface guidelines, and best practices.
• Strong understanding of SOLID, OOP patterns, concurrency patterns.
• Proficient in memory management and performance tuning.

• Comfortable working with UIKit, SwiftUI, Foundation, Combine, GCD, Swift Concurrency.

   

Would be a plus:

• Experience of working with calendar-related applications e.g. time zones, recurreint events, etc.
• Intstuments
• CI/CD
• StoreKit

What you will get at Readdle:

• Customer-centric culture. We put our users at the heart of everything we do. Every team member has the opportunity to engage directly with customers, gaining insights that shape meaningful, delightful experiences for millions worldwide.
• Relentless growth. We’re committed to mastery in our craft. We take ownership of our work, decisions, and outcomes, and we see feedback as a catalyst for growth. Every challenge is an opportunity to learn, evolve, and raise the bar.
• Exceptional people, exceptional team. Our greatest strength is our people. We care deeply about each other, work transparently, and celebrate collective success. Together, we build an environment where everyone can do their best work and grow beyond their potential.
• Real impact. We design products that truly matter. Our focus is on delivering tangible value, simplifying complexity, pushing boundaries, and continuously improving how we build and deliver solutions to our users.
• Culture of innovation. We embrace curiosity and creativity in everything we do. Fresh ideas are not just welcomed, they’re expected, celebrated, and turned into real innovations that shape the future of our products and company.

We are looking for an experienced SQL Developer with deep, practical expertise in MS SQL Server, with a focus on query optimization, performance tuning, and the design of efficient database schemas. A key part of this role is reviewing, analyzing, and improving existing SQL and schema structures on the OLTP systems.

Requirements

• 3+ years of hands-on experience with MS SQL Server as a SQL Developer.
• Demonstrated practical experience in SQL query optimization.
• Strong skills in analyzing execution plans, designing indexing strategies, and tuning performance.
• Strong ability to write clean code in accordance with the project's technical requirements.
• Solid knowledge of OLTP database design principles and best practices.
• Ability to present real examples of performance improvements or schema redesigns you have implemented.

Core Responsibilities

• Create database objects/write stored procedures.
• Analyze and optimize slow SQL queries in MS SQL Server (joins, subqueries, etc.).
• Work with execution plans, indexes, statistics, and partitioning to enhance performance.
• Demonstrates the ability to clearly understand and effectively analyze business requirements.
• Collaborate with developers to ensure efficient SQL and schema use across the platform.
• Propose structural, architectural, and performance-oriented improvements.

What we offer

• Continuous learning and career growth opportunities
• Professional training and English/Spanish language classes
• Comprehensive medical insurance
• Mental health support
• Specialized benefits program with compensation for fitness activities, hobbies, pet care, and more
• Flexible working hours
• Inclusive and supportive culture

If you’re excited about building drones from the ground up and improving their performance — this role is for you. 

You’ll work hands-on with UAV hardware, assembling, soldering, and testing components, contributing to the modernization and reliability of drone systems.

About the opportunity:
● The product company  is looking for a Drone Engineer to assemble, solder, and maintain UAV hardware used in autonomous swarm systems.
● Company builds AI-powered autonomous swarm solutions for UAVs, independent of specific manufacturers, minimizing human risk. Their software has proven itself across tens of thousands of missions.

● In September 2025, the company raised a $15M investment round.
● The Drone Engineer will take part in the assembly, integration, and improvement of UAV systems — including soldering, replacing components, and supporting ongoing R&D for new drone designs and upgrades.

Work format: B2B.

► Key requirement: experience in UAV assembly, soldering, and testing of electronic modules; spoken English.

About Client 

The client is a technology company specializing in autonomous robotics and intelligent automation solutions for retail and commercial environments. Their products integrate advanced computer vision, artificial intelligence, and robotics platforms to enable real-time monitoring, data collection, and operational optimization in physical spaces. The company develops end-to-end robotics systems, combining hardware, embedded software, AI algorithms, and cloud-based analytics. Their solutions are focused on improving efficiency, visibility, and decision-making through automation and advanced imaging technologies. 

Job Summary 

As a Senior AI / Computer Vision Engineer (Robotics, ROS), you will develop expertise in imaging science, computer vision, artificial intelligence, and ROS (Robot Operating System). You will participate in full product development through production. You will be expected to demonstrate a level of expertise in specific areas that matches or exceeds the expertise of our customers. You will consult on system architectures and assess technical requirements and competencies needed to produce a high-quality product. 

Responsibilities 

• Represent the client Technologies AI / Computer Vision / ROS group in technical discussions and meetings. 
• Stay abreast of the latest technologies to provide competitive and cost-effective designs. 
• Raise the perception of the client’s acumen in the industry by authoring or presenting white papers. 
• Lead the development of platform and product architectures in collaboration with technical staff. 
• Perform independent research and engineering studies. 
• Effectively consult on multiple projects in parallel. 
• Develop state-of-the-art algorithms in the field of AI / Computer Vision / ROS. 
• Translate existing imaging algorithms to the client’s Robotics platform. 
• Develop tools for implementing and using AI / ML / ROS designs. 

Must Requirements 

• minimum 5–7 years of hands-on experience in AI / Computer Vision and Robotics software development, or an equivalent combination of education, training, and experience. 
• Strong hands-on experience in AI and Computer Vision algorithm development. 
• Proven experience implementing and optimizing computer vision solutions in robotics platforms. 
• Solid experience working with ROS (Robot Operating System) in production environments. 
• Experience designing system or platform architectures in AI / Robotics domains. 
• Ability to analyze algorithms for performance trade-offs (accuracy, latency, compute, memory). 
• Strong knowledge of Computational 3D Geometry. 
• Experience working with robotics or mobile imaging acquisition platforms. 
• Proficiency in C++ and Python (production-level development). 
• Experience working with Linux, including real-time environments. 
• Familiarity with modern code development frameworks. 
• Bachelor’s or Master’s degree in Engineering or Computer Science. 

Project Description 
We are transforming our fleet management platform and data processing infrastructure from a monolithic application to a modern, event-driven microservices architecture. This includes shifting from a tightly coupled relational database to a scalable, multi-tenant event stream platform and Kubernetes operators development. 

Job Description 

We are seeking an experienced Go Backend Engineer to join the team responsible for transforming the platform into a multi-tenant, event-driven architecture. The ideal candidate has deep hands-on experience with Go microservices, distributed data flows, and Kubernetes-based deployments in cloud environments. 

This role involves designing and developing backend services, integrating real-time messaging pipelines, ensuring high observability standards, and collaborating with platform, data, and DevOps teams. 

Technical Requirements 

• 5+ years of backend software development experience. 
• Strong professional experience with Go (Golang). 
• Practical experience designing or maintaining microservices. 
• Experience with event-driven messaging systems such as Apache Pulsar (preferred), Kafka, or NATS. 
• Hands-on knowledge of Kubernetes, including deployments, scaling, and configuration. 
• Familiarity with cloud platforms (AWS, GCP, or Azure). 

Cloud & Deployment 

• Hands-on knowledge of Kubernetes, including deployments, scaling, and configuration. 
• Practical experience with Kubernetes operators, CRDs, Helm. 
• Understanding of cloud CI/CD systems and delivery pipelines (GitHub Actions). 

Data 

• Experience with PostgreSQL and Redis. 
• Understanding of Data Engineering concepts, including ETL/ELT and streaming workflows. 

Nice to Have 

• Experience with C/C++ (networking, concurrency, high-performance systems). 
• Experience with Python, especially for data workflows. 
• Experience with the Ruby on Rails ecosystem. 
• Experience designing and building multi-tenant data architectures. 
• Experience implementing observability stacks (Prometheus, Grafana, OpenTelemetry). 

Responsibilities 

• Design, implement, and maintain Go microservices powering the data platform. 
• Integrate services with Apache Pulsar (or equivalent streaming tools) to support real-time data distribution. 
• Ensure observability and reliability through logging, metrics, and tracing. 
• Deploy and maintain services in Kubernetes environments across cloud platforms. 
• Collaborate with Data Engineering, Platform, and DevOps teams during the architecture and implementation stages. 
• Participate in technical discussions, code reviews, and performance optimizations. 

N-iX is looking for a Lead/Senior Kotlin Engineer to join our team.

Our customer is a fintech company that provides flexible buy-now-pay-later solutions, enabling consumers to split purchases into transparent, interest-free, or interest-based payments. The customer's Platform team is responsible for managing critical services that are essential to the success and sustainability of the organization. 

In simple terms, the team handles transactional communication send-outs to customers via email, SMS, and push notifications. These services demand attention to detail, proactive maintenance, and swift response times to ensure seamless operations. 

The recent high-priority initiatives include re-architecture/platform modernization, high availability, and internationalization efforts; these are vital for our organization's growth and competitiveness in the market. These initiatives require dedicated expertise and resources to execute efficiently and effectively.

Main Responsibilities:

• Design and develop a robust and extensible Kotlin framework and platform.
• Own and deliver quarterly goals by leading engineers through ambiguity to solve open-ended problems while ensuring team support throughout delivery.
• Collaborate across the product development lifecycle with product management, design, and analytics to participate in ideation and articulate technical constraints.
• Drive decision-making and risk assessment by partnering on strategic technical choices that properly consider trade-offs and business impact.
• Proactively identify and resolve systemic issues across projects, processes, and technology, advocating for and leading the implementation of solutions.
• Ensure operational excellence and availability by creating and monitoring metrics, supporting "keep the lights on" efforts, and participating in an on-call rotation.
• Foster a culture of quality and ownership by setting high standards for code reviews and design, and advocating for best practices through technical writing and talks.

• Mentor engineering talent by providing actionable feedback, guidance, and leading by example to grow the team's capabilities.

   

Role Requirements:

• At least 5 years of proficiency in Kotlin with extensive experience designing, developing, and launching backend systems at scale
• Deep experience with distributed systems and high-availability architectures
• Experience in technical leadership in system design, with a proven ability to deliver significant features using elegant, simple, and extensible designs
• Strong infrastructure knowledge, including technologies such as AWS, MySQL/DynamoDB, and Kubernetes
• Proficiency in large-scale codebase management, utilizing a suite of tools and practices that ensure safe and efficient technical changes
• Experience in operational monitoring, including the use of metrics and tracing to maintain system health
• Excellent collaboration skills for effective partnership with global, cross-functional engineering teams
• Well spoken and written knowledge of the English language (C1)

We are looking for a Media Buyer to manage and scale user acquisition campaigns for mobile apps (iOS and Android), with a focus on subscription-based products.

Requirements

• 2+ years of experience as a Media Buyer
• Experience working with utility mobile apps
• Proven experience promoting mobile applications (iOS and Android)
• Hands-on experience launching and managing campaigns across:
  • Meta Ads (Facebook, Instagram)
  • Google Ads
  • TikTok Ads
  • In-app ad networks
  • Apple Search Ads, Push/Pops, and other traffic sources
• Experience running campaigns focused on paid subscriptions within mobile apps
• Strong analytical skills and ability to analyze and optimize campaign performance
• Experience with analytics and attribution tools such as Google Analytics, AppsFlyer, or similar
• Strong understanding of the mobile advertising ecosystem and UA best practices

Responsibilities

• Plan, launch, and manage advertising campaigns for mobile applications
• Optimize media budgets to achieve target KPIs
• Analyze campaign performance and provide recommendations for improvement
• Identify scaling opportunities and improve campaign efficiency
• Monitor mobile advertising trends, new tools, and platform updates