New offer - be the first one to apply!
July 1, 2026
Senior Software Engineer
Senior • Hybrid
180 - 220 PLN/hr
Warsaw, Poland
Our mission as a company providing IT services is to provide clients all over the world with the best solutions by analyzing client needs and matching them to employee skills and aspirations.
Job Description
We are looking for a Senior Software Engineer.
The project focuses on enhancing business processes through the use of artificial intelligence and advanced technologies. It enables intelligent data handling and supports automated decision-making. Built with modern, high-performance solutions, it ensures efficiency, security, and scalability.
Requirements
- 5+ years of experience in software development
- Strong experience with Python
- Experience with vanilla JavaScript
- Experience with relational databases (PostgreSQL) and KV stores (Redis)
- Experience with cloud platforms (Azure / AWS / GCP)
- Experience with CI/CD pipelines and tools like GitHub Actions
- Strong understanding of event-driven systems and distributed architectures
- Experience with containerization tools (Docker / Podman) and orchestration platform (Kubernetes)
- English minimum B2
Nice to Have
- Experience with graph databases (Neo4j) and vector databases (Milvus)
- Experience with NLP libraries and frameworks (spaCy / Transformers)
- Proficiency in compiled languages (Rust, Go, Java, C#)
- Experience with machine learning concepts and the ability to work with NLP datasets
- Experience in building web applications using modern frameworks (React, Vue.js) or desktop applications (Electron, Tauri)
Additional Information
- Work model: Hybrid from Warsaw
- Type of contract: B2B
- Rate: up to 220 PLN net per hour
- Project: Long-term (2+ years)
- Start: ASAP–1 month
We Offer
- Access to local and international projects
- Professional development support including trainings, technical certificates, conference participation, foreign language classes, and soft skills training subsidies up to 2 000 PLN
- Bonus for recommending candidates from 6 000 up to 10 000 PLN
- Fully paid Medicover healthcare card
- Psychological support program WellBee
- Multisport card
- Regular integration events and gifts
- Long-term cooperation
- Relocation program
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Remote
Warsaw, Poland
🏢 Summary: Oferta dotyczy roli Java Developera w nowo budowanym zespole w domenie inwestycyjnej, odpowiedzialnym za rozwój i utrzymanie systemów wspierających procesy inwestycyjne. Projekt realizowany jest w nowoczesnym stosie technologicznym opartym o architekturę domenową (DDD) i rozwiązania chmurowe. Praca obejmuje rozwój backendu, integracje z systemami komunikacyjnymi oraz dbałość o jakość i wydajność aplikacji. 🗂️ Requirements: Minimum 5 lat doświadczenia jako Java Developer, Bardzo dobra znajomość Java 21+, Doświadczenie ze Spring Boot 3, Znajomość Hibernate, Znajomość PostgreSQL, Doświadczenie z Domain Driven Design (DDD), Znajomość JUnit 5, Mockito, RestAssured, Doświadczenie z Kafka lub RabbitMQ, Znajomość GitLab, Jenkins lub OpenShift, Znajomość ELK, Dynatrace lub Redis 📃 Skills: Java, Spring, Hibernate, PostgreSQL, DDD, JUnit, Mockito, RestAssured, Kafka, RabbitMQ, GitLab, Jenkins, OpenShift, ELK, Dynatrace, Redis 🏢 Description: Opis firmy Naszą misją jako firmy świadczącej usługi IT jest dostarczanie najlepszych rozwiązań naszym klientom na całym świecie. Osiągamy to poprzez analizowanie potrzeb naszych klientów i dopasowywanie ich do umiejętności i aspiracji naszych pracowników. Dlatego jedną z naszych głównych motywacji jest zapewnienie każdemu Pracownikowi i Konsultantowi satysfakcjonującego doświadczenia. Dołączenie do nas oznacza bycie częścią społeczności o różnorodnych osobowościach. Rozpocznij swoją przygodę z act digital! Opis stanowiska Dołączenie do nowo budowanego zespołu w domenie inwestycyjnej odpowiedzialnego za rozwój i utrzymanie systemów wspierających procesy inwestycyjne. Projekt realizowany jest w nowoczesnym stosie technologicznym opartym o architekturę domenową i rozwiązania chmurowe. Rozwój i utrzymanie aplikacji backendowych w Java. Projektowanie i implementacja rozwiązań zgodnie z podejściem DDD. Tworzenie i rozwój integracji z wykorzystaniem Kafka i RabbitMQ. Pisanie testów jednostkowych i integracyjnych. Współpraca z zespołem przy wdrożeniach oraz utrzymaniu jakości i wydajności systemu. Wymagania 5+ lat doświadczenia na stanowisku Java Developer. Bardzo dobra znajomość technologii: Java 21+ Spring Boot 3 Hibernate PostgreSQL Domain Driven Design (DDD) JUnit 5, Mockito, RestAssured Kafka lub RabbitMQ GitLab/Jenkins/OpenShift ELK/ Dynatrace /Redis. Mile widziane: Scrum, Kanban lub inne metodyki Agile. Wysokie umiejętności analityczne. Doświadczenie w rozwoju i utrzymaniu systemów transakcyjnych. Doświadczenie w sektorze finansowym. Dodatkowe informacje Model pracy: Zdalnie Kontrakt: B2B Stawka: do 163 PLN/h net + vat Oferujemy Dostęp do lokalnych i międzynarodowych projektów - Klienci z Francji, Niemiec, Portugalii, Wielkiej Brytanii i krajów Beneluksu. Wsparcie w rozwoju zawodowym - szkolenia, certyfikaty techniczne, udział w konferencjach, lektoraty języków obcych i szkolenia miękkie dofinansowane do 2 000 zł. Elastyczność - sam wybierasz formę współpracy: umowa o pracę lub umowa business-to-business. Premia za polecanie Kandydatów do 6 000 zł. W pełni opłacona karta Medicover. Karta Multisport. Regularne imprezy integracyjne i upominki. Program Mobilności. Długoterminową współpracę.
Technology
dotLinkers
Senior Java Software Engineer
Senior
Remote
Krakow, Poland
22,000 - 26,000 PLN/mo
🏢 Summary: Senior Java Software Engineer role focused on architecting and developing scalable SaaS applications for AI-powered data analysis and compliance platforms. The position involves leading technical design, driving best practices, and improving CI/CD and platform quality. The engineer will work across the stack, aligning technical solutions with business needs and ensuring high software quality. 🗂️ Requirements: 5+ years of professional software development experience, 2+ years of experience delivering SaaS products, Proficiency in Java and at least one other language (Python or C#), Strong knowledge of algorithms, data structures, and computational complexity, Experience leading technical design and guiding development teams, Hands-on experience with at least two DevOps platforms: GitHub, Azure DevOps, GitLab, or Jenkins, Experience with CI/CD tooling and developer productivity practices, Ability to design technical solutions from specifications, Experience implementing redundancy and disaster recovery scenarios 📃 Skills: Java, Python, C#, SaaS, Algorithms, DataStructures, GitHub, AzureDevOps, GitLab, Jenkins, CICD, DevOps 🏢 Description: Position: Senior Java Software Engineer Salary: up to 26 000 PLN Form of employment: contract of employment Join our client, which makes software to help users organize data, discover the truth, and act on it. Their SaaS product manages large volumes of data and quickly identifies key issues during litigation and internal investigations. The AI-powered communication surveillance product proactively detects regulatory misconduct like insider trading, collusion, and other non-compliant behavior. They have more than 300,000 users in 49 countries serving thousands of organizations globally. Responsibilities: Architect, design, and develop model-based applications Guide product improvements across schema, framework, and platform Lead the team to best-practice technical design, by example and through collaboration Understand department-wide initiatives and guidelines, work with teams to ensure implementation is aligned with Engineering-wide policies and direction Maintain a backlog of tools or technology enhancements to improve the maintainability and quality of the solutions Encourage teams to work collaboratively by advising and enforcing best practices when needed Stay up-to-date with technologies and best practices related to CI/CD tooling and developer productivity Qualifications: 2+ years of professional experience delivering successful SaaS products. 5+ years of professional experience in software development Strong computer science fundamentals in algorithms, data structures, and computational complexity A self-starter driven to make an impact Strong communication skills, experience leading teams Proficiency in multiple programming languages, e.g, Java, Python, C# Able to learn at multiple levels of the stack – from fine-grained technical implementation to high-level control and data-flow. Comfortable working from Specifications to create a Technical Approach and scoping work Able to consider the Engineering solution in the business context Obsession with software quality and empathy for customer experience In-depth technical understanding and experience with at least two of the following DevOps Platforms: GitHub, Azure DevOps, GitLab, and Jenkins Experience implementing redundancy and disaster recovery scenarios Nice to have: Experience building AI-powered products that use Natural Language Processing or Machine Learning Knowledge of Linux Knowledge of NoSQL database systems such as MongoDB, Redis, and Elasticsearch Fundamental knowledge of Kubernetes and container-based systems Benefits: Comprehensive health, dental, and vision plans Parental leave for primary and secondary caregivers Flexible work arrangements Two, week-long company breaks per year Additional time off Long-term incentive program Training investment program
Technology
New offer
RemoDevs
Senior Backend Python Developer
Senior
On-site
Warsaw, Poland
7,000 - 9,000 USD
🏢 Summary: Senior Backend Engineer role focused on designing, building, and maintaining production backend systems and AI-driven workflows in a fully onsite Warsaw office environment. The position involves ownership of system architecture, APIs, distributed systems, and cloud infrastructure from design through production. Candidates will collaborate across teams, improve engineering processes with AI tools, and contribute to scalable, reliable solutions. 🗂️ Requirements: Strong experience as a senior backend engineer on production systems, Excellent Python programming skills, Understanding of distributed systems, Experience with AWS or Azure cloud platforms, Knowledge of SQL and NoSQL databases, Experience with asynchronous processing and service design, Ability to design and deliver systems from idea to production, Strong written and spoken communication skills, Regular use of AI development tools, Ability to work fully onsite in Warsaw 📃 Skills: Python, AWS, Azure, SQL, NoSQL, APIs, AI, TypeScript, GitHub, Copilot, Claude, OpenAI, Codex 🏢 Description: About Us Many companies want to use AI agents, but these agents often struggle with real business tasks. We solve this problem by building a platform that helps AI understand business rules, workflows, and processes. This allows AI to make better decisions and provide accurate, reliable, and compliant results. Well-known companies from different industries use our technology to automate up to 85% of customer cases, reduce handling time by 20–25%, and complete tasks that used to take hours in just seconds. We also work with leading technology partners and have been recognized for our innovative approach. Our goal is to help people everywhere get better answers through AI. Job Description We are looking for a Senior Backend Engineer who can take ownership of important systems instead of only completing assigned tasks. You will solve complex problems, design backend solutions, build them, and make sure they run well in production. We want someone with strong technical skills, good communication, and the ability to create simple, reliable, and easy-to-maintain systems. This is a product engineering role with responsibility from system design to production. The position is based in Warsaw and requires office work. Responsibilities - Design and develop backend services, APIs, data processing, and background tasks for production systems. - Turn unclear business needs into clear technical plans and practical solutions. - Maintain services after release by improving reliability, monitoring, performance, and fixing issues. - Make good decisions about system architecture, data models, interfaces, and future scaling. - Write technical documentation, architecture notes, and diagrams when they help the team. - Work closely with product managers, frontend engineers, and platform engineers to deliver complete solutions. - Improve development processes using AI tools, automation, and internal workflows. - Support the team through code reviews, design reviews, and practical technical leadership. Requirements - Strong experience as a senior backend engineer working on production systems. - Excellent Python skills and the ability to write clean and maintainable code. - Good understanding of distributed systems, including concurrency, failure handling, data consistency, asynchronous processing, and service design. - Experience with cloud platforms such as AWS, Azure, or similar services. - Knowledge of SQL, NoSQL databases, schema design, and performance optimization. - Ability to take a project from an idea through design and implementation to production. - Strong written and spoken communication skills with the ability to explain technical topics clearly. - Regular use of AI tools in everyday development and interest in improving AI-based workflows. Nice to Have - Experience with LLM-based applications, search systems, AI infrastructure, or large data pipelines. - Knowledge of TypeScript or the ability to contribute to frontend development when needed. - Experience guiding other engineers and influencing technical decisions without being a formal manager. What We Offer - B2B contract and company stock options. - MacBook Pro for work. - Modern technology stack and opportunities to contribute to open-source projects. - Access to advanced AI development tools, including GitHub Copilot, Claude Code, OpenAI Codex, TypingMind, and MCP servers. Our Culture and Values Our leadership team has strong experience in AI and knowledge management. We have secured more than $60 million in funding and achieved three years of continuous 3x growth. Our work is based on these values: - Quality – We aim for excellent work and high coding standards. - Momentum – We take initiative and keep projects moving forward. - Accountability – We take responsibility and give honest, respectful feedback. - Hard Work – We believe great results come from teamwork and consistent effort. - Learning Agility – We stay curious, learn from mistakes, and improve every day. - Adapt and Thrive – We accept change and see challenges as opportunities. - Win Together – We succeed as one team through honesty, openness, and support for our shared mission.
Technology
EPAM Systems
Senior Python AI Engineer
Senior
Hybrid
Wroclaw, Poland
🏢 Summary: Senior Python Engineer role focused on building and maintaining Python applications for AI and automation use cases in the financial domain. The position involves developing data pipelines, collaborating on machine learning model lifecycle, and delivering scalable solutions within a cross-functional team. Hybrid work model with office presence in Wroclaw three days per week. 🗂️ Requirements: Strong proficiency in Python, Hands-on experience with AI/ML frameworks (TensorFlow, PyTorch, Keras, Scikit-learn), Solid understanding of linear algebra, probability, statistics, calculus, Practical experience with Pandas and NumPy, Knowledge of supervised, unsupervised, and reinforcement learning algorithms, Experience with debugging, testing, and Git-based version control 📃 Skills: Python, TensorFlow, PyTorch, Keras, Scikit-learn, Pandas, NumPy, Git, AI, ML, NLP, ComputerVision, C++, Java, R 🏢 Description: We are seeking a skilled Senior Python Engineer to join a Project for our Client, a global leader in the area of banking, investments and financial services. This position offers a hybrid model of work, with 3 days per week working from the office located in Wroclaw. Responsibilities Build and maintain Python applications supporting AI and automation use cases Develop data preprocessing, transformation, and feature engineering pipelines Collaborate on training, evaluating, and deploying machine learning models Implement best practices in testing, version control, and code quality Work within a cross-functional POD to deliver scalable, reliable solutions Requirements Strong proficiency in Python Hands-on experience with AI/ML frameworks (TensorFlow, PyTorch, Keras, Scikit-learn) Solid understanding of linear algebra, probability, statistics, and calculus Practical experience with Pandas, NumPy, and data manipulation workflows Familiarity with ML algorithms (supervised, unsupervised, reinforcement learning) Exposure to deep learning, NLP, or computer vision is beneficial Strong debugging, testing, and Git-based version control skills Nice to have C++, Java or R Language experience 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.