Senior MS .NET Developer

Role Overview:Join our dedicated team to enhance and maintain our existing applications with a focus on continuous improvement.Facilitate seamless integration of applications with external systems to optimize functionality.Collaborate with our core team to support development efforts and future integration initiatives.

Join our innovative team at Altersolutions as a .NET Developer specializing in React. In this role, you will be responsible for designing, developing, and maintaining high-quality software solutions. Your expertise in .NET frameworks and React will be critical in creating user-friendly applications that meet our clients' needs.We value creativity, collaboration, and a passion for technology. If you thrive in a dynamic environment and are eager to tackle challenging projects, we want to hear from you!

We are seeking a dedicated and skilled HVAC Maintenance Technician to join our dynamic team in Chelas, Lisbon. In this role, you will be responsible for performing maintenance and repairs on heating, ventilation, and air conditioning systems to ensure optimal performance and efficiency.Your technical expertise will play a vital role in maintaining our commitment to quality service and customer satisfaction.

Join Cross Border Talents as an Experienced Site Supervisor for our esteemed client, a prominent Israeli civil construction firm, engaged in an exciting project in the Bahamas.Our client is spearheading the installation of a plumbing system for a luxurious new resort unit. As a Site Supervisor, your pivotal role will encompass:Overseeing and facilitating the installation and testing of hydraulic systems at the siteLeading multiple teams across various installation pointsExecuting daily hydraulic operations effectivelyUtilizing technical drawings, manuals, and manufacturer literature proficientlyEmploying precision measuring tools and instrumentsProviding clear work instructions and detailed technical guidance to assigned crewsPreparing necessary materials, tools, and safety measures for assigned tasksEnsuring high-quality performance across all tasksCompiling and delivering comprehensive reports summarizing work activitiesAssisting in the creation of installation documentationAddressing site problem reports promptly

Join Reaktor's renowned technology community as a Lead Full-Stack Developer in the vibrant city of Lisbon!If you thrive in an environment that encourages innovation and collaboration, possess a comprehensive understanding of the software development lifecycle, and are passionate about addressing real-world challenges, you could be the perfect fit for our team.Your Role:As a Full Stack Developer at Reaktor, you will play a crucial role across various stages of software development, from initial design to deployment.Your Responsibilities:Collaborate with client technology and business teams to identify and implement suitable technologies.Develop and enhance features across front-end applications, back-end servers, and databases, ensuring seamless integration.Provide exceptional technical expertise to both clients and team members.Engage in debugging, architectural design, and other software development tasks.Your Profile:You are a proactive and inquisitive developer with expertise in both back-end and front-end technologies, along with a solid grasp of infrastructure.To Succeed in This Role, You Will Need:Extensive experience in various software development modalities, including back-end, front-end, operations, and consulting.No strict requirement on years of experience, but typically, Full Stack skills take around 6+ years to develop.Proficiency in at least one popular server-side programming language, with a focus on TypeScript/JavaScript and Node.js; experience with Java, Scala, Kotlin, Clojure, or Python is also valued.Strong knowledge of client-side languages and frameworks, particularly TypeScript/JavaScript and React for web projects, as well as Swift, Java, Kotlin, or React Native for mobile applications.Relevant skills for developing new back-end services and building CI/CD pipelines when necessary.Fundamental understanding of DevOps practices, including Continuous Integration (CI), automated deployment, and test automation.

Join Winthrop Technologies, a premier Data Centre Construction firm renowned for delivering comprehensive turnkey solutions to clients across Europe. With our headquarters in Dublin, we specialize in Turnkey Data Centre Solutions, offering a full suite of services that encompass design, construction, and commissioning across civil, structural, architectural, mechanical, and electrical disciplines.We are excited to announce an opening for a Mechanical Supervisor to be a pivotal part of our on-site team in Lisbon, Portugal.Key ResponsibilitiesChampion safe working practices across all on-site trades.Conduct weekly toolbox talks, ensuring safety remains a daily priority.Perform regular safety inspections, audits, and walkdowns, resolving any identified issues.Oversee and verify the quality assurance of mechanical works to ensure alignment with project drawings, specifications, and standards.Carry out inspections, address snagging works, and finalize QA documentation.Draft weekly progress reports detailing accomplishments and challenges.Coordinate mechanical works with other trades to prevent conflicts and project delays.Create two-week lookahead schedules for upcoming tasks.Adjust labor levels according to project timelines.Uphold exceptional quality standards in all mechanical installations.Monitor subcontractor performance and proactively address any issues.Communicate variations, delays, or risks to management promptly.Ensure all materials and plant meet project specifications and are securely stored on-site.Verify that all subcontractor equipment is certified and safe for use.QualificationsMinimum of 5 years’ experience in a Mechanical Supervisor role.Excellent communication and interpersonal skills for effective collaboration.Adept at building and nurturing relationships with contractors and stakeholders.Thorough understanding of mechanical systems, preferably within a data center context.BenefitsEngagement in large-scale data centre projects.Collaborative working environment.Support for career progression and professional development.Attractive salary packages.Winthrop Technologies Ltd. is proud to be an equal opportunities employer.

We are seeking a dynamic SEO & AEO Lead to spearhead our strategy for enhancing organic visibility across search engines and LLM answer surfaces. You will take ownership of the technical SEO roadmap, ensuring our content structure and website architecture are optimized for both discovery and conversion across existing and emerging markets.About UsTrade Nation is a premier global CFD and spread betting broker. Our mission is to empower traders with insightful market analysis, transparent pricing, and an equitable trading experience. Since our inception in 2014, we have evolved into a leading low-cost brokerage with headquarters in London and offices across Europe, Asia-Pacific, South Africa, and key offshore regions. Our platform is multilingual, supporting 14 languages to cater to a global trading audience.Grounded in trust and transparency, we are driven by our commitment to customer success. We strive to make trading more efficient by minimizing costs and leveraging technology to prioritize trader needs.Your Future TeamJoin us in our Lisbon office located in the vibrant Marquês de Pombal area, characterized by excellent public transport links and a variety of local dining options. Our office is designed to foster an inclusive and collaborative environment, featuring dedicated wellness spaces and communal areas. This team plays a pivotal role in supporting our European market initiatives from our first continental office.Our Core ValuesWe Support Each Other: Always ready to lend a hand.We Challenge Each Other: Encouraging creativity, curiosity, and boldness.We Succeed Together: Elevating our collective performance.We Build Connections: Strengthening our team through social interactions.We Embrace Learning: Cultivating a culture of teaching and openness.We Take Responsibility: Empowering ownership in our work.Your ResponsibilitiesDeveloping and executing SEO and AEO strategies tailored to key markets and search queries.Overseeing the SEO roadmap, including various page types, structured content, and internal linking strategies.Collaborating with technical teams to implement the SEO backlog and CMS requirements.Enhancing search visibility across traditional search engines and LLM answer surfaces.Supporting content planning while ensuring adherence to SEO best practices across all organic pages.Partnering with CRO and Paid Media teams to optimize landing page performance.

OverviewJoin an innovative venture studio with a presence in Lisbon and New York, dedicated to harnessing exceptional European talent to create impactful companies. We are on the lookout for a Full-Stack Developer (Backend Focus) who will spearhead the development of an AI-driven content creation tool tailored for real estate professionals.If you're eager to contribute to a dynamic, agile team where you can take full ownership of the codebase and develop a product with evident market demand, this role is perfect for you.As the first dedicated developer, you will be instrumental in propelling our client’s AI venture into its next growth phase, managing the backend, databases, and crafting a user-friendly interface for real estate agents.You will transition from the initial core developer and play a pivotal role in shaping the product from inception to completion, with support from our venture studio’s team and resources.ResponsibilitiesCore Product DevelopmentTake full ownership of the product’s codebase, encompassing backend, database, and front-end interface.Rapidly deploy new features while ensuring scalability and maintainability in architecture.Backend & IntegrationsDevelop using PHP (8.3), Symfony (6.4), and MySQL.Guarantee seamless API integrations and dependable data flows.Interface Design & User ExperienceDesign and enhance the interface utilized by real estate agents.Convert customer feedback into clear, actionable features.Technical LeadershipAssume responsibilities from the previous core developer.Make pivotal decisions regarding architecture, tooling, and DevOps.Cross-Functional CollaborationCollaborate closely with the venture team and leadership.Adopt a product-oriented mindset, balancing speed, stability, and user experience.Requirements3–5 years of professional development experience (mid-level).Robust expertise in backend engineering while being proficient across the full stack.Enthusiasm for building within a small, entrepreneurial team.Interest in creating clean, usable interfaces (design experience is a plus).Curiosity, humility, and a desire to evolve into a technical leadership role.Fluent in English communication.Based in Lisbon, Portugal (hybrid: 4 days on-site).Preferred SkillsExperience with cloud/DevOps (AWS, Docker, CI/CD).Familiarity with AI/LLM integrations.Background in startups or venture-backed environments.BenefitsEquity stake in the venture along with a competitive salary.Tax support (accountant fees, tax returns).

Join Upwork Inc. as a Senior Lead Machine Learning Engineer, where you'll be at the forefront of developing cutting-edge agentic intelligence. In this pivotal role, you will architect, implement, and scale innovative AI agents and the underlying platform that supports them. Your responsibilities will encompass the entire development lifecycle—from training and evaluating large language models (LLMs) to orchestrating runtime environments, ensuring safety, and creating developer APIs. This is a unique opportunity to blend applied research with platform engineering, empowering both internal teams and external developers to create reliable, high-performing agents within the Upwork ecosystem.

Join Our Team as a Freelance Tech Recruiter!At Cross Border Talents (CBT), we are on the lookout for talented Freelance Tech Recruiters to be part of our dynamic team. We are a leading recruitment consultancy with an extensive global network of partners specializing in permanent placements and talent leasing solutions across the Engineering, ICT, and BPO sectors. As a member of the Novabase Group Venture, we are dedicated to transforming the world of work.Our mission is to address the skills gap by facilitating successful employment transitions in an ever-evolving labor market. With our expertise, we connect skilled professionals with top employers throughout the European Union, earning recognition through three Seals of Excellence awarded by the European Commission.In our Tech Unit, you'll focus on fulfilling ICT and Engineering roles for high-tech clients in the European market. As a Freelance Tech Recruiter, you will: Interpret job descriptions effectively Establish connections between job descriptions, client business needs, and candidate profiles Identify and attract top-tier professionals across the EU to meet client openings Conduct thorough interviews to assess candidate qualifications Provide detailed analyses of suitable candidates Maintain a steady pipeline of candidates with weekly submissions You will receive internal support from our HR, Digital Marketing, and Recruitment Managers to ensure your success.

Join Winthrop Technologies, Europe's premier dedicated data centre delivery partner, known for providing comprehensive turnkey solutions from design to construction and commissioning. Headquartered in Dublin, we have established ourselves as the most trusted name in the data centre sector across Europe. We are on the lookout for a skilled Mechanical Package Manager to become a part of our team for a significant data centre project in Portugal. The ideal candidate will be tasked with managing the entire mechanical package, which includes overseeing design, procurement, installation, testing, and commissioning. You will coordinate with subcontractors and site teams to guarantee the project is completed safely, on schedule, within budget, and meets the highest quality standards.

Winthrop Technologies is a premier data center delivery partner, specializing in comprehensive turnkey solutions for our clients. With our headquarters in Dublin, we proudly deliver services across Europe, currently executing multiple data center projects in seven countries, amounting to over 430 MW of IT load.We are excited to invite applications for the role of MEP Lead to join our Iberian team. The ideal candidate will oversee the management and coordination of all mechanical, electrical, and plumbing activities throughout the project lifecycle, from design through to completion.

Join Segula Technologies as a Performance Test Lead and play a crucial role in ensuring the quality and performance of our software products. In this fully remote position, you will lead performance testing initiatives, collaborate with development teams, and utilize your expertise to deliver high-quality software solutions.