Senior .NET Software Engineer (Freelance)

Brainsquare focuses on application development, integration solutions, and Atlassian collaboration tools. The team handles complex enterprise systems, designing and maintaining scalable application environments and integration frameworks. Consultants work closely with clients, using both hands-on skills and architectural expertise to deliver long-term value.…

About Speechify Speechify builds tools that make listening to articles, cloud documents, and books easy from any smartphone. Our platform lets users absorb information wherever they are, at their own pace, with features designed to support learning. As a leader in audio information, Speechify continues to grow quickly and shape how people access content. Role Overview The Core Experiences Team at Speechify develops and maintains the essential services and SDKs behind our product on multiple platforms. We are hiring a Senior Software Engineer in Antwerp, Belgium, to help shape these core experiences. This role suits someone who enjoys working where product and infrastructure meet, thinks strategically, and cares about building reliable APIs and efficient systems that improve how users interact with Speechify. What You Will Do Partner with Product Teams to define project scopes, streamline work for faster customer feedback, and solve integration and UX challenges across product teams using our cross-platform SDK. Improve current features by reducing load times and enhancing parsing, designing better abstractions, and advancing algorithms. Deploy cloud functions, lightweight backend services, and tasks using Kotlin. Who We’re Looking For Systems-oriented: Approaches optimization with a full-system perspective and values simplicity in design. Efficient: Generates ideas quickly and knows how to prioritize immediate actions versus longer-term projects. Focused: Understands when to collaborate and when to concentrate on individual work, thriving in a growing startup with a remote team. Collaborative: Motivates and works well with designers, marketers, and product managers.

As a Senior Product Analyst and Software Engineer specializing in C#, you will play a pivotal role in ensuring the seamless functionality of our business applications utilized by diverse teams. Your responsibilities will encompass the implementation of new features and correcting errors in existing applications within an Azure Cloud environment. As you gain experience, you will also engage in the analysis, design, and implementation of new functionalities and help conceptualize new applications.Your key responsibilities include:Collaborating closely with internal stakeholders to devise the optimal solutions for specific applications.Utilizing various Azure Cloud tools, including Azure Functions, Azure Logic Apps, Azure Synapse Analytics, Data Factory, Azure Databricks, Azure Data Lake, and other Azure Services.Providing training and support to colleagues across departments in using these applications.Representing the company in technical discussions with external partners, primarily regarding integration of our business applications and data storage with third-party applications.Supporting the use of third-party applications, such as Salesforce and Omnitracker, within the organization.Developing web tools for reporting purposes.

We are seeking a skilled Senior Solution Engineer to join our dynamic team at efihr. In this role, you will immerse yourself in our industry-specific solutions, focused on enhancing OMP’s offerings. Your expertise will play a crucial role in developing and refining our solutions to effectively address real-world challenges faced by our clients.You will be responsible for:Translating functional requirements into tailored technical solutions and algorithms.Refining designs and converting them into detailed technical specifications.Writing high-quality code that adheres to our standards and follows scrum methodologies.Collaborating with solution managers, analysts, and consultants to discuss and validate functional requirements.Reviewing team members' code to ensure best practices are followed.Working closely with software engineers, quality assurance testers, and project managers to deliver exceptional products.Providing maintenance and support for your developments based on user feedback.Continuing to grow your expertise in your preferred technologies.

Become a part of Faktion, a pioneering force in creating and delivering enterprise-scale AI solutions across multiple industries. We are dedicated to advancing machine learning and artificial intelligence, developing cutting-edge solutions that shape the future.We are in search of a Lead Senior Full-Stack Engineer to enrich our vibrant team, offering technical guidance while playing a pivotal role in our innovative projects and products. As we embark on the development of enterprise-level applications, we seek an adept leader who can direct the creation of robust, secure, and scalable applications while mentoring fellow developers.Key Responsibilities:Direct the design, development, and deployment of high-quality software architecture and intricate, scalable full-stack applications.Engage collaboratively with AI and ML engineers, Product Managers, and Business Stakeholders to transform complex requirements into effective, high-quality software solutions.Establish and drive the technical roadmap; identify, prioritize, and delegate tasks throughout the software development lifecycle, ensuring timely and high-quality outcomes.Supervise and actively contribute to the development and maintenance of robust, scalable, high-performance web applications utilizing TypeScript, React, and Node.js, ensuring compliance with best practices and coding standards.Mentor, coach, and lead a team of full-stack developers, nurturing a culture of technical excellence, teamwork, and continuous improvement.Advocate for and implement automation in development, testing, and deployment processes using suitable tools and scripting.Conduct code reviews, provide constructive feedback, and ensure code quality, maintainability, and scalability.Develop and oversee comprehensive validation and verification testing strategies to assure product quality.Ensure thorough documentation of architectural decisions, development stages, and system designs; lead initiatives in system monitoring, performance enhancement, and incident resolution.Guide the team through the entire software development lifecycle, from concept and architectural design to deployment, maintenance, and scaling.Promote technical innovation, assess and recommend new technologies, and advocate best practices within the engineering team.

Join Our Innovative Team at ConveoAt Conveo, we are pioneering an AI research platform that empowers organizations to conduct swift, cost-effective, and high-quality consumer and B2B research. Our cutting-edge AI video interviewing technology is utilized by global leaders such as Unilever, Google, and Orange, aiding their insights, marketing, and product teams in making informed decisions.#1 The Challenge We AddressTraditional research methodologies often fall short—they are slow, costly, and rarely delve deep enough. Many companies find their research efforts hindered by a lack of expertise, which directly impacts their understanding of customer needs and their ability to meet them effectively.#2 The Dynamic Team You Will JoinYou will be part of a vibrant team overflowing with talent and passion. Our members bring together decades of market research expertise and exceptional engineering skills, all while fostering an environment where we enjoy our work to the fullest.#3 Our Operational PhilosophyWe are genuinely invested in our clients and the challenges we solve, which drives us to consistently exceed expectations.Our engineers engage directly with clients, ensuring a clear communication channel without intermediaries.We maintain a balance between hard work and enjoyment.To uphold our high standards, we prefer to operate with a lean team.The RoleIn the capacity of Senior Full-Stack Engineer at Conveo, you will take the lead on the development lifecycle of our AI-driven platform. This includes overseeing features from conception to deployment. You will create applications where AI is not just an add-on but a core component of the technology. Staying ahead of the curve in AI advancements is essential.A significant aspect of your role involves direct client interaction, as we operate without product managers. You will translate client needs into technical solutions, ensuring that we address their challenges effectively.In addition to coding, you will play an active role in product development and brainstorming sessions, allowing you to make a meaningful technical and strategic contribution.

Role overview Speechify is seeking a Software Engineer for platform development based in Antwerp, Belgium. This position centers on designing, building, and refining solutions that enhance how users interact with reading tools. Collaboration is a key part of the job. The engineer will work alongside teammates from various groups to support the ongoing evolution of the platform. Improving performance and ensuring scalability remain central to the work. What you will do Develop and maintain platform features that support better reading experiences Work with colleagues across teams to deliver reliable, scalable solutions Contribute ideas to improve system performance and platform capabilities Location This role is based in Antwerp, Belgium.

As a Senior Presales Consultant, you will leverage your extensive project experience and in-depth industry knowledge to create impactful, industry-specific demonstrations and proofs of concept. You will play a vital role in supporting the Business Development team as an industry expert throughout the sales process and collaborate closely with the Delivery Advisory team on strategic advisory projects within your industry.Your key responsibilities include:Conducting thorough research to identify competitive differentiators and unique selling propositions of our targeted industry solutions.Developing and refining our unique selling propositions and narrative for a diverse range of products across our core industries.Representing our solutions and showcasing your industry knowledge at commercial conferences through effective networking and product demonstrations.Creating a portfolio of industry-specific product demos that highlight essential differentiators based on your analysis.Providing valuable insights and market feedback from prospects and customers to the Standard Demo team.Enhancing the capabilities of the standard demo in alignment with the Standard Demo team.Engaging prospects and customers by delivering compelling demos and initiating meaningful conversations.Translating client-specific requirements into high-level solution designs in collaboration with both customers and our internal competence centers.Documenting the scope and approach of proposed solutions.Supporting advisory assignments within your industry as part of the advisory team.Contributing to the formulation of RFx responses by providing solution and industry expertise along with marketing support.Acting as a trusted advisor for our prospects and customers.

Become a part of a global community dedicated to enhancing the experiences of the world’s most prestigious luxury brands! CXG, a premier customer experience agency focused on premium and luxury brands, seeks passionate Customer Experience Evaluators who are current luxury brand customers.As a Freelance Luxury Brand Evaluator, you will have the opportunity to complete multiple evaluations each month, providing your invaluable insights through structured questionnaires. Your assignments will vary across a range of luxury sectors, including fashion, high-end jewelry, cosmetics, luxury watches, and automotive products. Evaluations may require visiting stores, returning purchases, buying products online, or scheduling appointments with retailers.Important: Applicants must not be currently employed by luxury retail brands to ensure the evaluations' integrity and objectivity.Your feedback will directly influence brand strategies, allowing you to make a significant impact in the luxury market.Key Responsibilities: Conduct discreet assessments of your favorite luxury brands both in-store and online. Deliver unbiased feedback based on your experiences. Select assignments that match your interests and profile. Complete detailed questionnaires following each evaluation. Adhere to the specific project objectives and requirements set by the luxury brands we represent. How to Apply:To join our team of evaluators, follow these straightforward steps: Register at live.cxg.com and await an email with your login credentials. Log into our platform and share your details to help us verify your profile. Review the ‘welcome package’ and complete the general certification. You’re ready to explore and apply for assignments that pique your interest! About CXG:CXG is a global leader in customer experience management, serving premium and luxury brands across the globe. With 12 offices worldwide, we are equipped to cater to 70 countries. Our team comprises over 220 customer experience specialists and a vast network of more than 80,000 evaluators. Discover more about our mission at www.cxg.com.Experience the flexibility of our mobile application, where you can search and apply for assignments, complete certifications, submit surveys, and much more, all on the go.Contact us for additional information!

Role overview Speechify seeks an iOS Core Product Software Engineer to join the team in Antwerp, Belgium. This position centers on building and refining applications that influence how users experience and interact with audio content. Collaboration is a core value, and the team appreciates engineers who enjoy solving complex challenges together. What you will do Design and implement new features for Speechify’s iOS applications Collaborate with teammates to deliver solutions that enhance the overall user experience Use iOS development skills to create products that offer users new ways to engage with audio Location This role is based in Antwerp, Belgium.

As a Senior Pre-Sales Consultant specializing in OMP Software for Life Sciences, you will leverage your extensive project experience and deep industry insight to create captivating, industry-specific demonstrations and proofs of concept. You will play a pivotal role in supporting the Business Development team as a trusted industry advisor throughout the sales process while collaborating closely with the Delivery Advisory team on industry-specific advisory initiatives.Your key responsibilities will include:Conducting comprehensive research to identify and articulate the competitive differentiators and unique selling propositions of our targeted industry solutions.Developing, refining, and managing compelling narratives and unique selling points for a range of products within our core industries.Representing our solutions and industry knowledge at commercial conferences through effective networking and engaging product demonstrations.Creating tailored, industry-specific product demonstrations that highlight key differentiators relevant to your audience.Providing valuable insights and feedback from prospects, customers, and market trends to the Standard Demo team.Enhancing the functionalities of the standard demo in collaboration with the Standard Demo team.Engaging prospects and customers through impactful presentations and initiating meaningful conversations.Translating customer-specific requirements into high-level solution designs in close partnership with clients and our internal competence centers.Documenting the scope and approach of proposed solutions for clarity and accuracy.Supporting the advisory team in industry-specific assignments.Assisting in crafting RFx responses by providing industry insights and marketing support.Acting as a trusted advisor to our prospects and customers.

Join us as a Senior Data Engineer Consultant at Sia, where you will play a pivotal role in shaping our clients' data engineering solutions. In this position, you will lead client projects, collaborate closely with clients to co-design innovative data engineering strategies, manage stakeholder relationships, and ensure successful project delivery from inception to execution.Key Responsibilities:Data Architecture & Pipeline Design: Create efficient and scalable data pipelines and architectures to facilitate the ingestion, processing, and delivery of both structured and unstructured data.Cloud & Distributed Systems: Develop and implement data solutions utilizing modern cloud platforms (AWS, Azure, GCP) and distributed computing frameworks (Spark, Kafka).Database Design & Data Modeling: Construct logical and physical data models while optimizing database solutions for various data types, including relational, NoSQL, time-series, and graph databases.Data Integration & Loading Patterns: Establish best practices for batch, streaming, and real-time data integration, accommodating structured, semi-structured, and unstructured data sources.CI/CD & DataOps Practices: Implement continuous integration and deployment for data services and infrastructure, using modern DevOps tools to ensure reliability and automation in data workflows.At Sia, you will also:Enhance our Data Engineering services through training sessions, collaborative projects, and publications.Represent Sia at industry events, contributing to thought leadership through articles, white papers, and webinars.Drive business development by crafting compelling proposals and nurturing long-term client relationships.Act as a trusted advisor to clients, managing engagements and providing expert insights to management.Mentor junior to mid-level consultants, fostering their professional development and reviewing deliverables.

Become a part of a global community dedicated to enhancing the experiences of the world’s most esteemed luxury brands! CXG, a premier customer experience agency specializing in luxury and premium brands, is seeking passionate Customer Experience Evaluators who are already customers of luxury brands.As a Freelance Luxury Brand Evaluator, you will have the opportunity to conduct multiple evaluations each month, sharing your insights through comprehensive questionnaires. Your tasks will vary widely across our diverse clientele, spanning industries such as fashion, high-end jewelry, cosmetics, luxury watches, and automotive. Evaluations may include visiting retail stores, returning purchases, shopping online, or scheduling appointments with luxury retailers.Important Note: To maintain the integrity and objectivity of our evaluations, applicants must not have prior employment with luxury retail brands.Your feedback will play a crucial role in influencing brand strategies and shaping the future of the luxury market, providing you with an opportunity to make a significant impact.Key Responsibilities:Conduct discreet evaluations of your preferred luxury brands, both in-store and online.Provide unbiased feedback regarding your experience.Select assignments that resonate with your interests and expertise.Complete detailed questionnaires following each evaluation.Adhere to the project objectives and specific requirements set by the luxury brands we represent.How to Apply:To join our team of evaluators, please follow these steps:Register on live.cxg.com to receive your login credentials via email.Log in to our platform and complete your profile. Our team will verify your information and get in touch with you.Review the ‘welcome package’ and successfully complete the general certification.Congratulations! You are now eligible for assignments and can explore opportunities that interest you.About CXG:CXG is a global leader in customer experience management, serving the premium and luxury sectors. With 12 offices worldwide, we support operations in over 70 countries. Our dedicated team of more than 220 customer experience specialists and a network of over 80,000 evaluators globally exemplify our commitment to excellence. Discover more about our mission at www.cxg.com.Experience the flexibility of working through our mobile application, enabling you to search for and apply to missions, complete certifications, submit surveys, and much more—all on the go.Contact us for further information!

Join us as a Senior Machine Learning Engineer at faktionbv1, where you will spearhead the creation of innovative AI solutions tailored for enterprise needs. In this pivotal role, you will not only execute existing models but also contribute to the development of bespoke machine learning solutions. Your expertise will drive enhancements that elevate the efficiency and profitability of our clients. If you enjoy collaborating with both customers and colleagues and are passionate about crafting impactful solutions using machine learning, we want to hear from you!Key Responsibilities:Act as a technical lead, providing guidance to junior team members on both technical and client-related projects while enhancing our company’s technical capabilities.Translate the business requirements of customers into detailed technical solutions.Develop and implement production-ready machine learning models and pipelines using Python in cloud environments.Stay abreast of the latest machine learning research and lead the evaluation and integration of cutting-edge tools and frameworks.Oversee the successful completion of projects undertaken by your team, ensuring high standards.Provide mentorship and technical guidance to junior machine learning engineers.Conduct workshops for clients to demonstrate your expertise and solutions.Utilize your knowledge to support the sales team in identifying and securing new and exciting projects.

Join Our Team at LoopAt Loop Earplugs, we are transforming how individuals experience their surroundings, allowing them to control their auditory environment. In 2024, we reached a significant milestone with 14 million earplugs sold, earned the title of ‘The Best Earplugs for Concerts’ from The New York Times, and diversified our range of products to cater to various needs. Our remarkable achievements also include being the first company to win Deloitte’s Fast 50 Belgium award twice.This is just the start. As we innovate and develop groundbreaking products, we're eager to expand our team with creative minds ready to make a difference.As a member of Loop, you'll be part of a vibrant, global team of over 250 passionate individuals, committed to tackling challenges and making an impact together.Freelance Spreadsheet Migration ConsultantStart: ImmediateDuration of Assignment: Maximum 2 WeeksAbout the RoleWe seek a highly skilled consultant to spearhead the migration of intricate, business-critical spreadsheets from Excel to Google Sheets. This task is not merely a matter of lifting and shifting data.Many of our spreadsheets incorporate advanced formulas, macros, and extensive data models. Your expertise will be crucial in determining which spreadsheets should be migrated, which need to be rebuilt, and which should be preserved as is. Your responsibility will be to identify the appropriate course of action and execute it effectively.Please note, if your experience is limited to Google Workspace administration, file transfers, or basic Google Sheets usage, this opportunity may not be suitable for you.

As a Solution Engineer, you will focus on enhancing and advancing one of our industry-specific solutions. You will develop and refine OMP’s industry solutions, boosting functionality in a robust, innovative, and scalable manner, leveraging your expertise to tackle real-world industry challenges faced by our clients.Your key responsibilities will include:Translating functional requirements into technical designs and algorithms tailored to specific industry needs.Refining and detailing designs and converting them into precise technical specifications.Writing high-quality code that adheres to our rigorous standards, following scrum methodology and complying with current technology standards.Collaborating closely with our experienced solution managers, analysts, and consultants to discuss and validate functional requirements.Reviewing code produced by team members to ensure quality and performance.Working in tandem with software engineers, quality assurance testers, analysts, consultants, technical writers, and project managers.Providing ongoing maintenance and support for your developments based on user feedback.Continuously growing your expertise in your chosen technology.

As a Senior Solution Consultant, you will enjoy a unique opportunity to merge technical expertise with strategic insight. Your primary focus will be enhancing our industry-specific solutions within the OMP software suite, ensuring it meets and exceeds customer expectations. You will actively gather and analyze customer feedback, collaborating closely with project teams to deliver robust, high-quality solutions that are thoroughly tested and well-documented.In this role, you will be tasked with:Collecting and articulating business and project requirements, aligning them with the functionalities of our industry solution.Identifying and articulating new requirements to enhance our industry solution.Driving continuous improvement by developing innovative functionalities for our solutions.Validating new features in collaboration with various stakeholders.Utilizing your deep knowledge of the industry solution to provide comprehensive support throughout the implementation phase, working in tandem with the customer’s project team.Offering expert insights during customer project tracks, both during and post-implementation.

Contribute to the success of a groundbreaking infrastructure project in Antwerp. As a Senior Construction Buyer, you will play a pivotal role in the procurement decisions that determine the success of the Oosterweel project. From negotiating with top suppliers to ensuring the prompt delivery of materials, this position allows you to utilize your expertise in procurement, leadership, and collaboration on an exceptionally large-scale project. Our client is a leading international construction firm, renowned for its innovation, sustainability, and diverse range of projects. Quality, advanced working methods, and a robust team culture are at the heart of their operations, where employees actively contribute to shaping the future of the industry.

Join Faktion, a trailblazer in the design and development of enterprise-level AI solutions across diverse industries. We are leading the charge in machine learning and artificial intelligence, crafting innovative solutions that shape the future. We are on the lookout for a talented Full-Stack Engineer to become a vital part of our dynamic team, contributing to pioneering projects and products. As we build enterprise-grade applications for production deployment, we seek experienced full-stack developers proficient in creating robust, secure, and scalable applications.Key Responsibilities:Collaborate with machine learning specialists and business users to develop high-quality software design and architecture.Identify, prioritize, and execute tasks throughout the software development lifecycle.Develop and maintain robust, scalable, and high-performance web applications utilizing TypeScript, React, and Node.js.Automate tasks using appropriate tools and scripting techniques.Review, debug, and optimize code.Conduct validation and verification testing.Work alongside internal teams and customers to troubleshoot and enhance products.Document development stages and monitor system performance.Engage in the entire software development lifecycle from concept through deployment and maintenance.

Join our innovative team at sia as a Senior Data Engineer Consultant, where you will drive impactful solutions through data-driven insights. We are looking for a passionate professional to enhance our data architecture and engineering capabilities. You will collaborate with cross-functional teams to design and implement scalable data solutions that meet our clients' needs.