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Développeur Mobile React Native

Marre des files d’attente interminables ? Rejoignez notre partenaire !L'entreprise, une start-up en forte croissance, repense l’expérience d’achat physique avec une solution web et mobile qui allie fluidité, ergonomie et performance.Leur objectif : simplifier la vie des utilisateurs et leur faire redécouvrir le plaisir des courses en magasin… sans passer par la case file d’attente.Ils développent une application ultra-ergonomique permettant de scanner, payer et sortir en toute autonomie. Ce qu’ils proposent ? Un usage instantané pensé pour l'efficacité et la simplicité.Leur mission ? Redonner envie aux consommateurs de se rendre en magasin en éliminant les contraintes ! RoleEn tant que référent mobile, vous serez amené à évoluer seul sous la supervision du tech leadMaintenir, concevoir et développer de nouvelles fonctionnalités tout en garantissant la qualité du codeGestion et analyse des retours utilisateurs pour faire évoluer le produit avec la proposition de mises à jourProposer des points d’amélioration grâce à la veille que vous ferez sur React Native ProfileAu moins 5 années d’expérience sur React NativeUne première expérience en déploiement mobileLa capacité de travailler de façon proactive et autonomeImpératif : avoir déjà travaillé sur de la double authentification / intégration de modules de paiementsLe petit plus : le fameux diplôme d’ingé ! OfferUne stack technique moderne et à jour (Node, React, TypeScript, API Rest, Firebase, GraphQL, Swift, Kotlin, Java, CI/CD)La possibilité d’évoluer au sein d’un environnement agile et dynamiqueVous aurez la possibilité d’avoir les rennes sur la partie mobilePossibilité de prendre le poste ASAP avec un salaire entre 50k et 60k selon votre profil 

SANDER • Brussels, Belgique

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Sr Java Developer

Job DescriptionOur team seeks a motivated top-tier Java developer to help develop authentication, authorization, and identity management systems for Comcast’s residential and commercial customers. With us, you will apply breakthrough technologies – including a range of AWS services such as DynamoDB, ECS, Lambda, Beanstalk, Route 53, and S3 - to design and establish new functionality for tens of millions of customers. You will use all the skills you have, and develop countless more, in partnership with highly adept, highly diverse colleagues. ResponsibilitiesDesign, develop, test, and support web-based Java applications and services to meet business and security requirements. Follow best practice lifecycle methodologies including writing design documentation, performing code reviews, implementing unit tests, and writing integration tests. Resolve technical issues through debugging, research, and investigation. Core ResponsibilitiesCollaborates with project stakeholders to identify product and technical requirements. Conducts analysis to resolve integration needs.Crafts new software and web applications, supports applications under development and customizes current applications. Develops software update process for existing applications. Assists in the roll-out of software releases.Trains junior Engineers on internally developed software applications.Is responsible for the researching, writing and editing of documentation and technical requirements, including evaluation plans, test results, technical manuals and formal recommendations and reports.Keeps current with technological developments within the industry. Monitors and evaluates driven applications and products. Reviews literature, patents and current practices relevant to the solution of assigned projects.Provides technical leadership throughout the design process and mentorship with regards to practices, procedures and techniques. Serves as a guide and mentor for junior level Software Development Engineers.Assists in supervising and evaluating performance metrics. Ensures team delivers software on time, to specification and within budget.Works with Quality Assurance team to settle if applications fit specification and technical requirements.Displays expertise in knowledge of engineering methodologies, concepts and skills and their application in the area of specified engineering specialty.Presents and defends architectural, design and technical choices to internal audiences. Consistent exercise of independent judgment and discretion in matters of significance.Regular, consistent and punctual attendance. Ability to work nights and weekends, variable schedule(s) and overtime as vital.Other duties and responsibilities as assigned. Employees at all levels are expected to:Understand our Operating Principles; make them the guidelines for how you do your job.Lead the customer experience - think and act in ways that put our customers first, give them detailed digital options at every touchpoint, and make them promoters of our products and services.Know your stuff - be hard-working learners, users and advocates of our groundbreaking technology, products and services, especially our digital tools and experiences.Win as a team - make big things happen by working together and being open to new insights!Be an active part of the Net Promoter System - a way of working that brings more employee and customer feedback into the company - by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.Drive results and growth!Respect and promote inclusion & diversity.Do what's right for each other, our customers, investors and our communities. EducationBachelor's DegreeWhile possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience. Relevant Work Experience5-7 Years

Glassdoor Inc. • Philadelphia, Stati Uniti

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Java fullstack Developer - Freelance

Do you like to work in the heart of Gent city? We're looking for you!Together with functional experts, Scrum masters, UX designers and other developers, you will work in an inspiring, high-paced and fun environment. We work on software projects according to the agile methodology (SCRUM) and in close collaboration with our customers.RoleAs a Java developer your input will help shape the future of the company, we will count on you to coach other developers and steer our approach for various projects.You are able to work closely together with the business, willing to go the extra mile and love to tackle new challenges. You get excited about new technologies and are always eager to learn more.Profile• You have at least 3 years of relevant experience in any of the following technologies:Java, Spring Boot framework, NodeJS, designing and implementing RESTful API’s• Also interested in frontend development? We work mostly with Angular, React andReact Native.• Experience with Google Cloud Platform, Azure or AWS is a plus• You are able to help set up the architecture for our projects, selecting the righttechnologies to serve the business need and review UI designs• You are willing to develop yourself and learn new technologies• You are fluent in English + Dutch or French is a must.Offera year contract with possible extentionsflexible with home/ office workingBenefitsFlexible working hoursTeam-building & incentives3 days remoteOpen Space

SANDER • Gent, Belgio

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Digital Marketing Manager

Contract with potential to permanent relationship • Remote • 40 hours/weekAbout the RoleWe’re looking for a driven Marketing Manager who combines expert graphic design with hands‑on WordPress/Elementor skills and strong business judgment. You’ll own on‑site visuals, ship landing pages and micro‑campaigns quickly, and communicate in exceptional, native‑quality English. This role is fast‑paced, outcome‑oriented, and includes weekly goals with feedback.Key Outcomes (First 90 Days):Build high quality site graphics, animated GIF or video snippets supporting your building of 1–2 Elementor landing pages per week.Raise core metrics (CTR, LP conversion, time to publish) against weekly objectives.Demonstrate CFO appropriate copy, structure, and prioritization in all shipped workWhat You’ll Do:Design and produce web graphics/illustrations for our site and campaigns (hero images, diagrams, ad creatives, social tiles).Build, iterate, and maintain WordPress pages using Elementor, with clean hierarchy, responsiveness, and basic performance hygiene.Write/edit English copy for pages, CTAs, and SEO elements (titles, meta, headers) without reliance on AI tools.Write copy for blogs and posts.Run small experiments (A/Bs), measure results,and report concise insights weekly.Collaborate async; plan, prioritize, and produce results quickly with minimal oversight.Support sales and marketing staff in building campaigns to run their business.Must have RequirementsDesign Skills - Expert level: Have a portfolio showing web-ready graphics or your design experience, with strong visual appeal. Have the ability to produce graphics for site needs from concept to asset delivery. Be fast - and enjoy graphic design. A link to your portfolio is required to apply.Web & Digital Marketing - Wordpress & Elementor: You are an expert at building Wordpress site pages with Elementor and are confident in creating responsive layouts, basic CSS tweaks and on-page SEO. You must provide links to pages you've built professionally or in class. You will be tested on this skill as part of the application process.Exceptional English Communication Skills: It is required that you prove your language skills by providing an EF SET 50 minutes certificate showing you grade 70 or higher. You will be given other tests of English skills as part of the interview process that demonstrate you are able to do content writing, SEO and understand nuanced English - your quality must be native and strong. There is no cost to proving your skills - get your certificate here: https://www.efset.org/ef-set-50/Driven to Learn: You actively seek feedback, set high standards, and you hit them. You expect weekly assessment against clear, numeric objectives (pages completed, assets approved, campaign milestones). You will be expected to evolve in the role and grow in your role at the company.Business Savvy: You can frame business value, choose what matters and express nuance without the use of AI. You think like a builder that serves business leaders and naturally communicate clarity, outcomes and trade-offs.Remote Work Office: You are a contractor and must have reliable high speed internet, your own design capable computer and a quiet professional workspace. You are able to work independently with consistent daily progress notes.

BUMERAN • Buenos Aires, Argentina

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Fullstack JavaScript (Node.js / React.js) – Focus Frontend

Une entreprise technologique française développant des solutions numériques pour les professionnels de santé. Elle combine savoir-faire technique, compréhension clinique et culture produit exigeante pour concevoir des outils qui améliorent la précision, la sécurité et la fluidité des parcours de soin.En forte croissance et présente à l’international, l’équipe d’ingénierie s’agrandit pour faire évoluer ses plateformes logicielles.RoleEn tant que Développeur·se Fullstack JavaScript, vous interviendrez sur l’ensemble du cycle de développement des applications digitales, avec une forte autonomie sur la partie Front.Vos missions principales :Concevoir et développer des interfaces modernes et intuitives en React.js, en lien avec le reste de la plateforme (Node.js).Participer aux choix d’architecture et au déploiement des applications.Mettre en place des tests pour garantir la qualité, la fiabilité et la maintenabilité du code.Collaborer avec une équipe resserrée, agile et orientée produit.Être force de proposition dans l’amélioration continue du produit et des process techniques.ProfilExpérience solide en JavaScript / TypeScript, React.js et Node.js (au moins 5 ans d'expérience post étude).Forte autonomie sur le Frontend et intérêt marqué pour les interfaces utilisateurs.Une première expérience dans le déploiement / CI-CD est un plus.Sensibilité aux tests, au clean code et à la qualité logicielle.Curiosité, flexibilité et esprit Agile indispensables dans un environnement en pleine évolution.OffreRejoindre une entreprise à impact dans le domaine de la santé digitale.Évoluer dans un environnement technique moderne, où vos idées sont valorisées.Travailler au sein d’une équipe humaine, passionnée et exigeante.Contribuer à des produits à forte valeur ajoutée, utilisés à l’international.Avantages3 jours de télétravailChèques-repasAssurance hospitalisation

SANDER • Paris, France

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Researcher 2

Job DescriptionWe are looking for a researcher with at least 3 years of experience in the Blockchain domain to help improve our scaling platform for Ethereum. Strong theoretical background along with deep understanding of blockchain technologies is mandatory and practical implementation experience is a major plus.Understand the present blockchain scenario and identify its key pain points.Innovate solutions that pave the way towards mass adoption of Web 3.0 technologies.Evaluate existing systems, propose improvements and provide Proof of Concept implementation.Requirements3+ years of research experience in core blockchain protocol design and scaling solutions.Distributed systems, cryptography or security background is preferred.Deep understanding of the present Ethereum architecture, Eth 2.0 design and specification, and other major PoS/PoW chains along with their practical limitations. Knowledge of consensus algorithms is a plus.Deep knowledge of scaling solutions like optimistic and zero-knowledge based rollups, sidechains and state channels.Understanding of stateless clients and the state bloat issue on Ethereum style blockchains.Notable contribution, in terms of novel research papers published in top venues and/or contribution to solutions that garnered adoption or recognition within the blockchain community.Having a formal degree like Masters or PhD is a plus.Ability to clearly articulate the problem, setting time-oriented goals and achieving them.Ability to clearly communicate the problem at hand along with solution approaches to all types of audiences.Ability to read theoretical and practical solutions, analyze the tradeoffs and present an improved approach in a time-efficient manner.Passionate about solving real world problems that impact the present blockchain scenario.Readiness to learn new technologies, catch up with bleeding-edge research and make meaningful contributions that help the blockchain community.About Company / BenefitsPolygon (Previously Matic Network) is the first well-structured, easy-to-use platform for Ethereum scaling and infrastructure development. Its core component is Polygon SDK, a modular, flexible framework that supports building multiple types of applications. Using Polygon, one can create Optimistic Rollup chains, ZK Rollup chains, stand alone chains or any other kind of infra required by the developer. Polygon effectively transforms Ethereum into a full-fledged multi-chain system (aka Internet of Blockchains). This multi-chain system is akin to other ones such as Polkadot, Cosmos, Avalanche etc with the advantages of Ethereum’s security, vibrant ecosystem and openness.BenefitsWork from anywhere (Remote first)Flexible working hoursFlexible vacation policyCompetitive Salary + Token bonusRole:Researcher 2Location:India/Serbia/Singapore/RemoteWork Exp.:3-7 YearsJob Type:Full Time

Glassdoor Inc. • San Francisco, Stati Uniti

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Site Engineer

Our client, a leading UK multi-disciplinary engineering specialist, is looking for an experienced and dedicated Site Engineer to join their team on a permanent basis in Scotland. This is a fantastic opportunity to play a pivotal role in the successful delivery of complex and high-profile civil engineering projects, with a particular focus on large-scale rail infrastructure.Key Responsibilities:Management and Supervision: Lead, manage, and motivate a team of site engineers and subcontractors to ensure projects are completed to the highest standards of safety, quality, and efficiency.Technical Expertise: Provide technical guidance and support on-site, interpreting complex drawings and specifications to set out and check works. Ensure all engineering activities comply with design requirements and construction standards.Health and Safety: Uphold and enforce the highest standards of health and safety on site. Conduct regular safety inspections, risk assessments, and toolbox talks to maintain a safe working environment for all personnel.Quality Assurance: Implement and monitor quality control procedures. Conduct regular inspections and quality checks to ensure all work is executed to the required specifications and standards.Project Planning & Reporting: Collaborate with the Site Manager to develop and manage project schedules and resource plans. Prepare and submit accurate and timely reports on project progress, variations, and issues.Stakeholder Communication: Liaise effectively with clients, consultants, and other stakeholders to resolve technical queries and ensure smooth project delivery.Candidate RequirementsEducation: A degree or HNC/HND in Civil Engineering or a related discipline.Experience: Proven experience as a Section Engineer on civil engineering projects, with a strong background in earthworks, structures, or infrastructure.Technical Skills: Proficient in setting out and the use of surveying equipment. Competent in reading and interpreting engineering drawings and specifications.Leadership: Excellent leadership and communication skills with the ability to manage and mentor a team.Health and Safety: Strong knowledge of UK health and safety regulations, with a valid CSCS card.Location: Willingness to work on projects across Scotland. A full UK driving license is essential.Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are more than happy to discuss reasonable adjustments and/or additional arrangements as required to support your application.Candidates must be eligible to live and work in the UK.For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.skills: construction knowledgequalifications: PTSeducation: BEng civil engineering

Randstad • Amsterdam, Olanda

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