April 9, 2026
Senior Scala Engineer
Senior • Remote
6,000 - 7,000 USD
Krakow, Poland
Our customer is the semantic layer for modern data and AI. They bridge the gap between complex cloud data platforms—like Snowflake, Databricks, and Google BigQuery—and the business users who need consistent, AI-ready analytics. We are looking for a Senior Scala Engineer to join the Aggregates Engineering Team to help redefine how the world handles business intelligence.
Responsibilities:
Architect the Core Lifecycle: Design, build, and evolve the aggregate system that defines, manages, and optimizes aggregates to accelerate query performance across data platforms.
Optimize Intelligent Performance: Architect the prediction and selection logic that identifies high-value aggregates and analyze query workloads to guide placement strategies.
Scale High-Impact Systems: Improve maintenance and scheduling processes to ensure reliability and low overhead in large-scale environments, ensuring the system scales smoothly.
Requirements:
6+ years of professional software engineering experience and a BA/BS in Computer Science or a related field.
Strong programming expertise in Scala and ideally have experience with Scala worker systems like Akka or Pekko.
You can reason about complex system behavior, lifecycle state, and performance tradeoffs while maintaining a focus on production reliability.
Experience with data warehouse concepts (Snowflake, BigQuery, etc.) and containerization technologies (Docker, Kubernetes).
Excellent communication skills and are comfortable working across query planning and platform teams.
You are based in or able to work Eastern/Central European Time hours.
Similar jobs you might like
Technology
ITDS
Senior Big Data Engineer – Spark/Scala for Banking Innovation
Senior
Hybrid
Warsaw, Poland
21,000 - 25,200 PLN
🏢 Summary: Senior Big Data Engineer role focused on designing and optimizing large-scale data processing solutions using Spark and Scala within the financial sector. The position involves building resilient data pipelines, supporting production systems, and collaborating in Agile teams to deliver scalable data platforms. Hybrid work model based in Warsaw with up to two remote days per week. 🗂️ Requirements: 3-5 years experience in big data engineering, Strong expertise in Spark, Proficiency in Scala or Java, Knowledge of Python, Experience with DevOps practices, Experience with CI/CD tools, Understanding of microservices architecture, Fluent English, Legal right to work in the European Union 📃 Skills: Spark, Scala, Java, Python, DevOps, CI/CD, Microservices, Airflow, Git, Scrum, BigData 🏢 Description: Empower data-driven innovation — shape the future of financial technology! Warsaw-based opportunity with hybrid work model (up to 2 remote days per week). As a Senior Big Data Engineer (Spark/Scala) , you will be working for our client, a leader in structured finance within the global banking industry. You will contribute to building and optimizing a cutting-edge data platform that supports complex business processes and facilitates collaboration across multiple stakeholders in the finance sector. Join us to drive impactful data solutions that fuel digital transformation and open new avenues for growth. Your main responsibilities: Design and develop solutions for collecting, transforming, and processing large datasets efficiently. Analyze data from multiple sources and translate insights into technical specifications. Implement and industrialize reliable, scalable, and resilient data processing jobs using Spark and Scala. Conduct code reviews and collaborate with team members to ensure continuous improvement. Contribute to agile teams delivering value through Scrum cycles, supporting innovative project delivery. Stay up-to-date with evolving big data technologies and implement best practices. Support applications, troubleshoot production issues, and ensure high quality standards. Produce comprehensive technical documentation, test plans, and project artifacts. You're ideal for this role if you have: 3-5 years of professional experience in big data engineering, ideally within banking or finance. Strong expertise in Spark and Java or Scala, with additional knowledge of Python, DevOps, CI/CD tools, and microservices. Fluency in English (Polish and French are a plus). Analytical mindset with excellent problem-solving skills. Proactive attitude and strong teamwork skills across global teams. Effective communication skills and ability to work across different time zones. It is a strong plus if you have: Knowledge of Airflow, GIT, and modern data architecture strategies. Experience with Agile methodologies and delivering solutions in fast-paced environments. Language Required for the role: Fluent English (required) Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.
Technology
New offer
H2B Group
Senior Software Engineer Scala & Python
Senior
Remote
Gdansk, Poland
100 - 125 PLN/hr
🏢 Summary: Senior Software Engineer role focused on maintaining and extending a SaaS platform using Scala and Python, with strong emphasis on AI/LLM integrations and backend architecture. The position involves building production-grade backend services, integrating generative AI and transcription tools, and supporting scalable cloud-based systems in an international engineering environment. B2B contract with long-term extension potential. 🗂️ Requirements: 7+ years of backend software engineering experience, Advanced Polish language skills, English at B2/C1 level, Production experience with Scala, Production experience with Python, Ability to maintain dual-language codebases, Knowledge of software architecture, Understanding of clean code principles, Experience with automated testing, Experience with code reviews, Knowledge of version control 📃 Skills: Scala, Python, REST, GenAI, LLM, AWS, Azure, GCP, CI/CD, ElasticSearch, PHP, SaaS, API, Git 🏢 Description: Kim jest H2B Group? Jesteśmy firmą konsultingową, która pomaga klientom w automatyzacji procesów biznesowych przy pomocy AI, a specjalistom IT rozwijać karierę w modelu B2B. Oferujemy projekty z branż takich jak fintech, medtech, edutech czy automatyka przemysłowa. Dzięki ścisłej współpracy wspieramy rozwój naszych klientów poprzez dostarczanie szybkich i mierzalnych efektów, jednocześnie zapewniając specjalistom IT możliwości rozwoju kariery i zdobywania cennego doświadczenia. Dlaczego warto z nami współpracować? ✨ Elastyczność – Wybierasz projekty dopasowane do swoich umiejętności i zainteresowań, z możliwością zmiany w ramach naszej firmy lub grupy Euvic, której jesteśmy częścią. 💡 Przejrzystość – Masz jasne zasady współpracy i pełną transparentność wynagrodzenia oraz warunków. 🚀 Szybkość działania – Dzięki naszej efektywności szybko znajdziesz lub zmienisz projekt, który idealnie odpowiada Twoim kompetencjom. 🌟 Możliwość rozwoju – Pracujesz przy innowacyjnych projektach, rozwijając kluczowe kompetencje i zdobywając cenne doświadczenie. Do projektu naszego klienta poszukujemy osoby na stanowisko Senior Software Engineera (Scala & Python) Join an international engineering team focused on evolving and scaling an established SaaS platform . In this role, you will bridge two ecosystems: maintaining the core infrastructure built in Scala while developing new, advanced features primarily in Python . A key focus of the project is the deployment of cutting-edge AI capabilities , including integrations with external AI/LLM providers, transcription services, and internal machine learning models. Key Responsibilities Hybrid Backend Development: Developing, maintaining, and extending robust backend services using both Scala (existing codebase) and Python (new features). AI & LLM Integrations: Designing and implementing production-ready features driven by Generative AI, integrating external and internal AI platform APIs, LLM providers, and transcription tools. System Architecture: Participating in technical discussions, code reviews, and architectural decisions to ensure system scalability, performance, and security. API & Integration Design: Designing reliable, maintainable REST APIs and seamless integrations between core platform services and external third-party systems. Quality & Automation: Writing clean, well-documented, and thoroughly testable code while supporting modern CI/CD pipelines and automated testing practices. Production Support: Troubleshooting production issues, optimizing performance/costs of AI workloads, and continuously improving platform stability. Requirements Experience: Minimum 7+ years of professional experience in backend software engineering. Languages: Fluent Polish (advanced) AND English at a minimum B2/C1 level (working in an international engineering environment). Technical Ecosystem: Proven production-grade experience with both Scala and Python , along with the ability to navigate and maintain dual-language codebases efficiently. Engineering Practices: Solid understanding of software architecture, clean code principles, automated testing, code reviews, and version control. Nice to Have: GenAI / LLM Experience: Commercial experience integrating LLMs, generative AI APIs, or building workflows around speech-to-text/transcription tools. Cloud & Infrastructure: Hands-on experience with major cloud platforms ( AWS, Azure, or GCP ) and modern CI/CD pipelines. Search & Data: Practical knowledge of ElasticSearch for scalable data querying. Legacy Context: Basic understanding or experience with PHP applications is a plus. SaaS Background: Previous experience building or scaling multi-tenant SaaS products. What We Offer Rate: 100-125 PLN/h Contract Type: B2B Contract. Duration: 6 months with a strong possibility of long-term extension.
Technology
Scalac
Senior Scala Engineer
Senior
Remote
Gdansk, Poland
168 - 210 PLN
🏢 Summary: Senior Scala Developer role on a global fintech project focused on post-trade automation and large-scale financial systems. The position involves building real-time data streaming and mission-critical services using Scala and modern reactive technologies in a fully remote setup. You will collaborate with an international engineering team on systems used by major financial institutions worldwide. 🗂️ Requirements: 4+ years commercial experience with Scala, Strong knowledge of Akka Actors, Strong knowledge of Akka Streams, Hands-on production experience with ZIO, Practical experience with Apache Kafka, Experience with distributed systems, Experience testing asynchronous applications, Experience with AWS or cloud environments, Fluent English 📃 Skills: Scala, Akka, ZIO, Kafka, Slick, PostgreSQL, AWS, EC2, S3, SQS, SNS 🏢 Description: 🚀 Senior Scala Developer We are looking for a Senior Scala Developer to join a globally recognized fintech project focused on post-trade automation and large-scale financial systems. Our client is a London-based technology company trusted by more than 180 financial institutions worldwide, including 25 of the 30 globally systemically important banks (G-SIBs). You’ll have the opportunity to work on mission-critical systems used across the global financial market — all while enjoying the flexibility of fully remote work. 💻 Your responsibilities: • Designing and implementing real-time financial data streaming components • Building and maintaining services based on Akka (Actors, Streams, HTTP) • Developing Kafka consumers with proper offset handling and advanced error management • Working with Slick and PostgreSQL (schema modeling, queries, migrations) • Writing unit and integration tests, especially for asynchronous code • Collaborating directly with the client’s engineering team in London 🛠 Tech Stack: • Scala • Akka (Actors, Streams, HTTP) • ZIO • Apache Kafka • Slick / PostgreSQL • AWS (EC2, S3, SQS/SNS) ✅ What we expect: • 4–5+ years of commercial Scala experience • Strong knowledge of Akka Actors & Akka Streams • Hands-on experience with ZIO in production environments • Practical experience with Apache Kafka and distributed systems • Experience with testing asynchronous applications • Knowledge of AWS/cloud environments • Fluent English communication skills ⚡ Recruitment Process (Fast Track): HR Screening Internal Technical Interview Client Technical Interview Final Client Meeting 🌍 Why is it worth joining? • Long-term and stable fintech engagement • Real impact on systems supporting the global financial market • International engineering environment with modern technologies
Technology
Link Group
Senior Platform Engineer with Python
Senior
Hybrid
Warsaw, Poland
40,000 - 50,000 PLN
🏢 Summary: The role focuses on building and evolving core platform services to support engineering teams, emphasizing scalable cloud-native solutions, developer experience, and automation. It involves designing shared services, advancing CI/CD and Infrastructure as Code practices, and integrating AI-powered tools and LLM-based solutions. The position also promotes DevOps and SRE standards to ensure reliability and operational excellence in production environments. 🗂️ Requirements: 8+ years of experience delivering production-grade software solutions, Strong proficiency in Python, Experience with Kubernetes and containerized environments, Experience with distributed systems, Knowledge of REST and gRPC service development, Experience with cloud-native architectures, Hands-on experience with Infrastructure as Code tools, Familiarity with AI tooling and LLM-based applications, Ability to support production systems and incident response 📃 Skills: Python, Kubernetes, Docker, REST, gRPC, Terraform, CI/CD, LLM, AI, DevOps, SRE, Cloud, Automation 🏢 Description: We are looking for a Senior Platform Engineer to help build and evolve the core technology platforms that support our engineering organization. This role focuses on developing scalable software solutions, improving developer experience, and driving cloud-native engineering practices across the business. Working closely with engineering, cloud, and operations teams, you will contribute to platform architecture, automation initiatives, and the adoption of modern development and reliability practices. Key Responsibilities • Design and maintain shared platform services and engineering tools used across multiple teams. • Develop and enhance internal platforms, including authentication, developer tooling, and infrastructure services. • Build AI-powered solutions leveraging LLMs, intelligent agents, and automation technologies. • Contribute to engineering standards, architectural guidelines, and reusable frameworks. • Improve software delivery through CI/CD, automation, and Infrastructure as Code. • Promote DevOps and SRE practices, including observability, monitoring, and operational excellence. • Support production systems through incident response and reliability improvements. Required Qualifications • 8+ years of experience delivering software solutions in production environments. • Strong programming skills in Python; experience in other languages like Java, C#, C++, Go or others, nice to have • Experience with Kubernetes, containers, and distributed systems. • Knowledge of REST and gRPC service development. • Experience with solution architecture and cloud-native technologies. • Familiarity with AI tooling, agent-based frameworks, and LLM-powered applications. • Hands-on experience with Infrastructure as Code tools such as Terraform. • Strong communication and technical documentation skills.
Technology
Strategicsiq
Full Stack Java & Angular Developer - Wroclaw - Hybrid
Senior
Hybrid
Wroclaw, Poland
1,500 - 1,600 PLN
🏢 Summary: Senior full-stack engineering role focused on building scalable enterprise applications using Java and Angular. The position involves designing and maintaining microservices, APIs, and responsive user interfaces while ensuring high code quality, security, and performance. The role also contributes to CI/CD, DevOps practices, and Agile delivery processes. 🗂️ Requirements: Strong hands-on experience with Java 17+, Experience with Spring Boot and microservices architecture, Solid experience with Angular 14+, Proficiency in TypeScript, HTML, CSS, Experience designing and consuming RESTful APIs, Experience with relational databases (Oracle, SQL Server or PostgreSQL), Familiarity with Git version control, Experience with CI/CD tools (Jenkins, GitHub Actions or similar), Understanding of software development lifecycle and testing frameworks, Experience working in Agile/Scrum environments 📃 Skills: Java, SpringBoot, Angular, TypeScript, HTML, CSS, REST, Microservices, Oracle, SQLServer, PostgreSQL, Git, Jenkins, GitHubActions, CICD, Agile, Scrum 🏢 Description: Overview We are looking for a Senior Associate in Software Engineering with strong full-stack development experience, combining backend expertise in Java with frontend engineering using Angular. The ideal candidate will play a key role in building scalable, high-quality enterprise applications while collaborating closely with cross-functional teams. Key Responsibilities Design, develop, test and maintain full-stack applications using Java (Spring Boot) for backend services and Angular for frontend development. Build and maintain scalable APIs, microservices and responsive user interface components for enterprise platforms. Ensure high standards of performance, code quality, security and reliability by applying engineering best practices. Participate in code reviews, architectural discussions and continuous improvement initiatives. Investigate and resolve production issues, performing root cause analysis and implementing long-term solutions. Contribute to CI/CD pipelines, automated testing frameworks and DevOps practices to enhance software delivery. Integrate applications with databases, messaging systems and internal or third-party enterprise services. Work within Agile/Scrum frameworks and actively contribute to sprint planning, stand-ups and retrospectives. Required Qualifications Strong hands-on experience in Java (version 17 or above), with a focus on Spring Boot and microservices architecture. Solid experience with Angular (version 14 or above), including TypeScript, HTML, CSS and responsive design principles. Good understanding of RESTful APIs, backend integration patterns and secure application development. Experience working with relational databases such as Oracle, SQL Server or PostgreSQL. Familiarity with version control systems such as Git, and CI/CD tools including Jenkins, GitHub Actions or similar. Sound understanding of the software development lifecycle, testing frameworks and Agile methodologies. Strong analytical thinking, problem-solving ability and effective communication skills.
Technology
New offer
Dawid Wierciak Flow to Grow
Senior Software Engineer (Scala & Python)
Senior
Remote
Warsaw, Poland
110 - 140 PLN
🏢 Summary: Senior Software Engineer role focused on developing scalable backend services and AI-powered features using Scala and Python in an international team. The position includes designing production-grade systems, API integrations, architectural decision-making, and supporting CI/CD processes in a fully remote B2B setup. 🗂️ Requirements: 7+ years of professional software development experience, Production experience with Scala, Strong Python knowledge, Experience building production-grade backend services, Knowledge of software engineering best practices, Experience with automated testing, Experience with version control systems, Experience with code review, Experience with CI/CD, Ability to design scalable and maintainable architecture, Ability to solve complex technical problems independently, Experience working in international teams, Advanced Polish language skills, English level B2 📃 Skills: Scala, Python, AI, API, CI/CD, LLM, Elasticsearch, AWS, Azure, GCP, PHP 🏢 Description: Poszukujemy doświadczonego Senior Software Engineera do międzynarodowego zespołu rozwijającego nowoczesne rozwiązania backendowe oraz funkcjonalności wykorzystujące technologie AI. Scala jest jedną z kluczowych technologii wykorzystywanych w projekcie, a istotna część codziennego developmentu realizowana jest również w Pythonie. Praca obejmuje rozwój skalowalnych usług backendowych, tworzenie nowych funkcjonalności oraz integracje z rozwiązaniami AI i zewnętrznymi usługami poprzez API. Szukamy osoby z dużym doświadczeniem w tworzeniu systemów produkcyjnych, która swobodnie porusza się w Scali i Pythonie, potrafi samodzielnie rozwiązywać złożone problemy techniczne oraz aktywnie uczestniczyć w podejmowaniu decyzji architektonicznych. Zakres obowiązków Tworzenie, utrzymanie i rozwijanie usług backendowych w Scali i Pythonie. Projektowanie skalowalnych i łatwych w utrzymaniu rozwiązań. Rozwój nowych funkcjonalności produktowych, w tym rozwiązań wykorzystujących AI. Integracja systemów z zewnętrznymi usługami poprzez API. Tworzenie czystego, testowalnego kodu produkcyjnego. Udział w podejmowaniu decyzji architektonicznych oraz code review. Dbanie o jakość, skalowalność, wydajność i bezpieczeństwo rozwijanych rozwiązań. Wsparcie i rozwój procesów CI/CD. Analiza oraz rozwiązywanie problemów występujących w środowisku produkcyjnym. Współpraca w ramach międzynarodowego zespołu. Wymagania Minimum 7 lat doświadczenia w profesjonalnym software development. Bardzo dobre doświadczenie produkcyjne w Scali. Dobra znajomość Pythona i doświadczenie w tworzeniu backendu klasy produkcyjnej. Doświadczenie w projektowaniu i rozwijaniu usług backendowych. Bardzo dobra znajomość dobrych praktyk software engineering. Doświadczenie z testami automatycznymi, kontrolą wersji, code review oraz CI/CD. Umiejętność projektowania skalowalnej i łatwej w utrzymaniu architektury. Samodzielność w analizowaniu i rozwiązywaniu złożonych problemów technicznych. Umiejętność efektywnej komunikacji i współpracy w międzynarodowym zespole. Znajomość języka polskiego na poziomie zaawansowanym. Znajomość języka angielskiego na poziomie B2. Mile widziane Komercyjne doświadczenie z LLM lub generatywną AI. Doświadczenie w integracji usług i modeli AI z systemami produkcyjnymi. Integracje z zewnętrznymi platformami poprzez API. Znajomość Elasticsearch. Doświadczenie z rozwiązaniami chmurowymi (AWS, Azure lub GCP). Znajomość PHP. Doświadczenie w rozwoju skalowalnych systemów. Wiedza z zakresu monitoringu, wydajności i optymalizacji kosztów infrastruktury. Oferujemy kontrakt B2B, stawka: daj znać, jaki poziom Cię interesuje praca zdalna, start projektu asap. Proces rekrutacyjny Screening. Rozmowa techniczna. Decyzja.
Technology
Link Group
Senior Software Engineer (Java)
Senior
Hybrid
Warsaw, Poland
120 - 130 PLN
🏢 Summary: Senior Java Developer role focused on designing and implementing modern, scalable backend and distributed systems within Agile teams. The position involves architectural decisions, technology selection, and ensuring high code quality, security, and reliability in cloud-based environments. 🗂️ Requirements: 7+ years of experience with Java, Experience with Apache Kafka, Practical knowledge of Kubernetes, Experience with Spring and Spring Boot, Experience with Hibernate or MyBatis, Experience with relational or NoSQL databases, Experience with at least one cloud platform: AWS, Google Cloud, Azure, or OpenShift, Experience in building scalable distributed systems, Knowledge of backend architecture and design patterns 📃 Skills: Java, Kafka, Kubernetes, Spring, SpringBoot, Hibernate, MyBatis, SQL, NoSQL, AWS, GCP, Azure, OpenShift, Scrum 🏢 Description: Poszukujemy osoby doświadczonej w roli Senior Java Developer (7y+) / Software Engineer , która dołączy do zespołów realizujących nowoczesne, skalowalne rozwiązania. Zakres obowiązków Projektowanie, architektura oraz wdrażanie nowoczesnych rozwiązań backendowych Dobór i implementacja narzędzi, frameworków oraz wzorców architektonicznych Budowanie skalowalnych i niezawodnych systemów rozproszonych Aktywne śledzenie trendów technologicznych i wdrażanie innowacyjnych rozwiązań Dzielenie się wiedzą i dobrymi praktykami w zespole oraz w organizacji Praca w zespołach Agile (Scrum), udział w planowaniu i refinementach Dbałość o jakość kodu, testy oraz bezpieczeństwo aplikacji Wymagania techniczne (Must have) Bardzo dobra znajomość Java (7y+) Doświadczenie w pracy z Apache Kafka Praktyczna znajomość Kubernetes Frameworki: Spring / Spring Boot Doświadczenie z ORM: Hibernate, MyBatis Praca z relacyjnymi i/lub NoSQL bazami danych Doświadczenie w pracy z chmurą (minimum jedna z): AWS / Google Cloud / Azure / OpenShift Mile widziane (Nice to have) Frontend: ReactJS / Redux, React Native, Angular Konteneryzacja: Docker Wyszukiwarki i silniki indeksujące: ElasticSearch, SOLR Systemy kolejkowe i message brokers Migracje i wersjonowanie schematów DB: Flyway, Liquibase
Technology
EPAM Systems
Senior Software Engineer (Java)
Senior
Hybrid
Krakow, Poland
🏢 Summary: Senior Software Engineer role focused on building and modernizing strategic backend platforms that connect operational and regulatory systems, supporting a multiyear cloud migration roadmap. The position involves designing scalable, data-driven solutions in Java within an Agile team, leveraging cloud and DevOps practices. The role follows a hybrid model with 3 days per week onsite in Wroclaw or Krakow. 🗂️ Requirements: Bachelor’s degree in Computer Science or relevant certification, Strong back-end development experience in Java, Experience with DevOps CI/CD pipelines, Hands-on experience with Azure DevOps, GitHub, or GitLab, Practical experience with Test-Driven Development (TDD), Experience delivering solutions on Azure, AWS, or GCP, Solid understanding of cloud architecture, Knowledge of software design principles, Experience with data streaming and real-time or batch processing 📃 Skills: Java, Azure, AWS, GCP, CI/CD, AzureDevOps, GitHub, GitLab, TDD, Databricks, Kubernetes, DataStreaming, BatchProcessing, Cloud, DevOps 🏢 Description: We are looking for a Senior Software Engineer to join an agile team focused on developing strategic technology solutions that connect operations and regulatory systems. Our work plays a crucial role in enabling the client to meet regulatory obligations and unlock value from its wealth of data. The project is part of a multiyear roadmap to migrate to cloud technology and enhance existing platforms. You’ll work in a small, autonomous Agile team with colleagues across global locations, in an inclusive and collaborative environment. If you are passionate about innovation and continuous learning, we want to hear from you. This role offers a hybrid model, with 3 days per week working from the client's office in Wroclaw or Krakow. Responsibilities Design and develop strategic platform features that enable seamless trade execution flows between core systems, transforming epics and features into robust solutions Collaborate closely with agile team members during sprints to iteratively deliver product requirements Work with the product team to understand, refine, and implement required functionality Engineer solutions that leverage cloud technologies as part of a multiyear migration and modernization roadmap Develop and optimize data-driven applications, ensuring the client can unlock value from its wealth of data Utilize Java and related technologies to build scalable, high-performance backend services Requirements Bachelor’s degree in Computer Science or a relevant certification Strong back-end development experience in Java Proven experience with DevOps CI/CD pipelines and tools such as Azure DevOps, GitHub, or GitLab Solid understanding and hands-on experience with Test-Driven Development (TDD) Well-versed in cloud architecture, with delivery experience on Azure (preferred), AWS, or GCP Strong grasp of software design principles Experience working with modern technologies such as data streaming, real-time and batch processing; familiarity with Databricks and Kubernetes is a plus We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
Awareson Sp. z o.o.
Senior Backend Developer with Python
Senior
Remote
Warsaw, Poland
170 - 210 PLN
🏢 Summary: Senior Backend Engineer role focused on designing and scaling a high-throughput, event-driven platform. The position centers on building and optimizing large-scale event processing services and APIs in distributed systems. It involves solving complex scalability and reliability challenges in a massive-scale environment. 🗂️ Requirements: Senior-level experience in backend development, Strong Python expertise, Experience scaling message queue systems, Experience with distributed systems and microservices architecture, Proven track record building high-throughput backend services, Experience designing scalable and fault-tolerant systems, Ability to implement and optimize APIs 📃 Skills: Python, Azure, ServiceBus, StorageQueues, EventHubs, Microservices, DistributedSystems, APIs, EventDriven, EventSourcing, Streaming, Observability, Monitoring 🏢 Description: Location: Remote Type: Full-time Level: Senior Duration: 4 months Start: ASAP We are looking for an experienced Senior Backend Engineer to join a team responsible for building and scaling a high-throughput, event-driven platform operating at massive scale. Your primary focus will be the event processing backbone — designing, developing, and optimizing services that handle large volumes of messages reliably and efficiently. You will work closely with architects and other senior engineers to implement APIs that expose data and support advanced triage and processing workflows. This role is ideal for someone who enjoys solving hard scalability problems , working with distributed systems, and building resilient backend services that operate under real-world load. Responsibilities Design and build backend services responsible for large-scale event processing Optimize and scale message-based systems to handle high throughput and reliability requirements Implement APIs defined by system architects to expose data and collect processing results Collaborate with cross-functional teams to improve platform performance and resilience Contribute to architectural decisions around scalability, fault tolerance, and observability Core Skills Strong experience with Python as a primary backend language Deep expertise in scaling message queue systems (e.g. Azure Service Bus, Storage Queues, Event Hubs or similar) Solid understanding of microservices architecture and distributed systems Proven experience building high-throughput, resilient backend services Strong problem-solving skills and ability to work with complex systems Highly Desirable Experience with event-driven or event sourcing architectures Background in data processing frameworks or streaming systems Experience building platforms related to observability, monitoring, or large-scale event management Familiarity with designing systems for fault tolerance and graceful degradation What we offer Work on technically challenging systems operating at very large scale High level of autonomy and real influence on system architecture Collaboration with experienced engineers in a mature engineering environment Competitive compensation and flexible working model Project with strong technical ownership
Technology
Link Group
Senior C# Engineer
Senior
Hybrid
Warsaw, Poland
30,000 - 44,000 PLN
🏢 Summary: The offer is for a Senior C# Engineer responsible for designing, developing, and optimizing distributed, high-volume, service-oriented applications using modern .NET technologies. The role involves end-to-end project ownership, working with cloud platforms, databases, messaging systems, and DevOps tools to deliver scalable and reliable solutions. The position requires strong expertise in enterprise-level development and building business-critical systems. 🗂️ Requirements: 5+ years of enterprise-level C#/.NET development experience, Experience with distributed and high-volume applications, Strong knowledge of object-oriented design, Experience with multi-threading, Experience with service-oriented architecture, Experience with cloud platforms (AWS or Azure), Experience with relational databases, Experience with distributed caching systems, Experience with messaging systems, Experience with DevOps tools, Experience working in Agile environments, Experience with test-driven development 📃 Skills: C#, .NET, AWS, Azure, SQL, Postgres, Snowflake, Redis, Kafka, Solace, Git, Jenkins, JIRA, Octopus, OOP, Multithreading, SOA, TDD 🏢 Description: Senior C# Engineer Join our tech team and play a key role in building and maintaining business-critical systems! We’re looking for a Senior C# Engineer with experience in distributed, high-volume applications and modern .NET technologies. What you’ll do: Design, develop, and optimize multi-threaded, service-oriented applications Own projects end-to-end, from development to deployment Collaborate with global teams to deliver robust, scalable solutions Support and improve core systems while introducing strategic enhancements What we’re looking for: 5+ years in enterprise-level C#/.NET development Strong skills in object-oriented design, multi-threading, and service-oriented architecture Experience with cloud platforms (AWS/Azure), databases (SQL/Postgres/Snowflake), and distributed caching (Redis) Familiarity with messaging systems (Kafka/Solace) Knowledge of DevOps tools (Git, Jenkins, JIRA, Octopus Deploy) Agile mindset and passion for quality, test-driven development, and problem-solving