back end developer

The StratsLab Difference: Why You Should Read This We were founded in 2015 by alumni of the Warsaw University MIM Faculty, who spent years sharpening their skills at top-tier investment banks and hedge funds in London. We brought that exclusive, high-impact culture back to Warsaw. Developer-Driven: You will be surrounded by top-notch Developers who...

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. We’re seeking an API Developer with strong Java expertise to work within a cross-functional engineering team, responsible for delivering secure, high-performing services at scale. You’ll be working with modern Java, Spring Boot, and cloud-native...

Project DescriptionWe are looking for an experienced React Developer.Your ResponsibilitiesBuild responsive user interfaces with React.jsRapidly prototype new features with a focus on UX designCollaborate with product and design teams to refine user experienceIntegrate APIs and backend servicesApply modern CSS and JavaScript best practicesUtilize design tools...

New opportunity for a new international Tech Hub emerging from Lisbon. We are looking for a skilled and experienced Salesforce Developer to join our team in an international challenging opportunity. The ideal candidate should have extensive experience and maturity in Salesforce development and a strong understanding of best practices within the technology...

Trinetix is looking for a skilled Databricks Developer with strong expertise in Apache Spark, Python, and modern data engineering practices. This role involves designing, developing, and maintaining scalable data ingestion, transformation, and analytics pipelines using Databricks and related technologies. The ideal candidate is analytical, detail-oriented,...

On behalf of AdTech Client #1 , SD Solutions is looking for a talented Senior Frontend Developer to join our International Engineering team. SD Solutions is a staffing company operating globally. Contact us to get more details about the benefits we offer. In an ecosystem where everyone’s trying to get closer – buyers to sellers, platforms to clients,...

Poszukujemy osoby (m/k) do roli .NET Developer (Mid/Senior). Praca jest dedykowana dla naszego klienta. Dołączysz do zespołu rozwijającego systemy z obszaru Security / Video-CCTV / Data Processing, w których kluczowe znaczenie mają wydajność, stabilność i przetwarzanie danych w czasie rzeczywistym. Projekt rozwijany jest w środowisku on-premise, z...

Project descriptionWe are seeking a Syndigo MDM Developer to join our Client's IT system house and European data centre. Based in Düsseldorf, it supports the retail by providing IT services and developing IT solutions on an international level for the Client in Europe. Your goal in the project is to configure, develop, integrate, and support the Syndigo...

Senior Java Developer 📍 Location: Kraków, Poland (hybrid: 2 days in the office, 3 days remote) 📄 B2B Contract: 190 – 230 PLN / hour We are looking for a proactive Senior Java Developer to join an international Agile team building high‑performance backend solutions for trading and risk‑related systems. You will work closely with engineers and...

At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and...

At BBH, Partnership is more than a form of ownership—it’s our approach to business and relationships.  We know that supporting your professional and personal goals is the best way to help our clients and advance our business. We take that responsibility seriously. With a 200-year legacy and a shared passion for what’s next, this is the right place to...

Описание:LeoVegas Group delivers iGaming experiences and develops platforms and features that engage players through communication capabilities, bonuses, loyalty programs, and cross-channel experiences.Задачи:Build scalable, robust, and efficient solutions in a full-stack team; Ensure continuous delivery within a microservice architecture;...

We're looking for a Senior Node.js Developer to join our team in Gdansk/Krakow, Poland, in a hybrid working mode (3 days from the office). In this role, you will contribute to the design and development of front-end solutions, microservices, and REST APIs, leveraging modern technologies and best practices. You will also play a key role in analyzing legacy...

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultantsin 21 countriesand a turnover of €850M, we are committed to delivering impactful, future-ready solutions.Talan at a GlanceHeadquartered in Paris and operating globally, Talan combines technology, innovation, and...

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of...

Job Title: Developer Experience (DevX)(CONTRACT) State/Province: pomorskie Posting Start Date: 9/15/26 Wipro Limited (NYSE: WIT, BSE: 507685, NSE: WIPRO) is a leading technology services and consulting company focused on building innovative solutions that address clients’ most complex digital transformation needs. Leveraging our holistic portfolio of...

Forma współpracy: kontrakt B2B Stawka (B2B PLN netto + VAT/h): 122-142 Tryb: zdalny (uzgodnione spotkania projektowe w zależności od potrzeb) Poszukujemy osoby o profilu Senior C++ Developer, która posiada min. 5 lat komercyjnego doświadczenia. Wiodący stack technologiczny: C++, REST, Java, C, Informix, PostgreSQL Projekt który będziemy gotowi Ci...

Описание: J.P. Morgan is a global financial services provider offering strategic advice and products to corporations, governments, wealthy individuals, and institutional investors. It builds long-term client partnerships and helps clients achieve their business objectives.ЗадачиPartner with business stakeholders to understand requirements and...

Company DescriptionAre you ready to take ownership of mission-critical backend systems in a high-load environment? We are looking for a Senior Java Developer to join our engineering team in Warsaw.This is a hybrid role with 3 days per week in the office, giving you the perfect balance between collaboration and flexibility. At Sigma Software, we value...

Firma i-systems produkuje i dostarcza oprogramowanie e-commerce dla handlu i dystrybucji. Zajmuje się całościowo projektami e-commerce, włączając rozwiązania OmniChannel retailing, cloud hosting czy systemy B2B. Wszystkie rozwiązania opiera na autorskim oprogramowaniu, które jest rozwijane przez prężnie powiększający się zespół. Wśród...