Senior Software Engineer at Abtrace | Porto, Portugal

Abtrace is revolutionizing primary care by empowering proactive and preventative healthcare on a large scale. We support over 500 practices and 4.5 million patients across the UK, enabling healthcare teams to identify risks earlier, act swiftly, and deliver care efficiently without added pressure.Our Engineering team is dedicated to developing robust, scalab…

Join Sword Health, a pioneering company redefining healthcare with our innovative AI Care platform. We are committed to delivering world-class healthcare that is accessible anytime, anywhere, while significantly lowering costs for payers, self-insured employers, national health systems, and other healthcare organizations. Since our inception, we have transformed pain care and expanded into women's health, movement health, and mental health. To date, over 700,000 members across three continents have completed 10 million AI sessions, assisting our 1,000+ enterprise clients in avoiding over $1 billion in unnecessary healthcare costs. With 42 clinical studies and 44 patents backing our technologies, and having raised over $500 million from prominent investors, we are on the forefront of the healthcare revolution. Discover more at www.swordhealth.com.We are seeking a skilled Senior Frontend Engineer to join our dynamic team. In this role, you will be instrumental in crafting engaging landing pages, websites, dashboards, and internal tools. Your responsibilities will include developing clean, responsive, and visually captivating user interfaces. You will collaborate closely with our designers, marketers, and backend developers to bring projects to fruition, enhancing user experiences across our online platforms. If you have a passion for coding, a keen eye for design, and enjoy tackling a variety of projects, we would love to connect with you!

At Mindera, we are driven by the belief that software is crafted by individuals for individuals, creating high-performance systems that leave a global impact. We are on the lookout for a Senior Frontend Software Engineer to become part of an agile and collaborative team where your insights are valued just as much as your technical expertise.In this role, you will not merely implement designs; you'll be a pivotal technical partner in shaping and constructing high-performance, secure, and scalable front-end solutions. Our primary focus is on React and Next.js, employing modern JavaScript practices and server-side rendering techniques to develop seamless, isomorphic applications.We cherish empathy, self-organization, and a positive demeanor. If you are approachable, communicate effectively, and understand that team compatibility is as crucial as technical skills, you will thrive in our environment.Anticipated travel for projects and client meetings is estimated at 0%-15% depending on organizational needs.

Join Mindera as a Senior Quality Assurance Engineer specializing in mobile testing, where your expertise will help us deliver outstanding mobile applications. In this remote role, you will play a vital part in ensuring the quality of our mobile offerings, enhancing user experiences across various platforms.Your key responsibilities will include formulating and implementing test strategies, both manual and automated, to detect and resolve defects. You'll collaborate closely with development and product teams to foster seamless communication and quality assurance processes. If you are detail-oriented, passionate about mobile technology, and dedicated to quality, we would be thrilled to have you on our team.Expected travel time (to the UK and USA): 0%-15%, varying based on project/client needs. You will interact with teams across different time zones.

We invite talented QA Engineers to submit spontaneous applications to join our dynamic team at devexperts. At devexperts, we are dedicated to delivering top-notch software solutions, and we value individuals who are passionate about quality assurance and enhancing user experiences.

Toloka AI is looking for a freelance Civil Engineer & Python Specialist to support AI model training projects. This role is remote, with candidates expected to be based in Porto, Porto District, Portugal. Role overview This position combines civil engineering knowledge with Python programming to help improve AI systems. The work is project-based and allows for flexible, freelance engagement. Key responsibilities Offer civil engineering insights to guide AI model training Use Python to assist with AI development and related tasks Requirements Professional background in civil engineering Proficiency in Python Interest in artificial intelligence and openness to freelance work Location This is a fully remote freelance opportunity. Applicants must reside in Porto, Porto District, Portugal.

Sword Health is revolutionizing the healthcare landscape by transitioning from a human-first to an AI-first model through its innovative AI Care platform. This groundbreaking approach ensures that world-class healthcare is accessible at any time and from anywhere, significantly lowering costs for payers, self-insured employers, national health systems, and other healthcare organizations. Since its inception, Sword has transformed pain management with AI at its core and has expanded its services to women's health, movement health, and more recently mental health. With over 700,000 members across three continents and 10 million AI sessions completed, Sword's 1,000+ enterprise clients have collectively saved over $1 billion in unnecessary healthcare expenses. Supported by 42 clinical studies and holding over 44 patents, Sword Health has successfully raised more than $500 million from top-tier investors, including Khosla Ventures, General Catalyst, Transformation Capital, and Founders Fund. Discover more at www.swordhealth.com.At Sword, we are reimagining healthcare by merging advanced AI/ML technology with personalized care solutions. As a Senior Backend Engineer on our AI Team, you will be integral in building, scaling, and optimizing the infrastructure that underpins our machine learning-powered clinical features, decision support systems, and forthcoming innovations in Generative AI.You will collaborate closely with cross-functional teams to ensure that Sword’s products are resilient, scalable, and secure, providing both internal and external users with effortless access to personalized, data-driven healthcare solutions.If you are a backend engineer passionate about exploring the depths of AI, this opportunity is tailored for you.

Join our dynamic team at Eurofins as an IT Network Engineer, specializing in Fortinet products, where you will play a pivotal role in enhancing our network infrastructure. This hybrid position based in Braga offers the perfect blend of remote and in-office work.You will be responsible for designing, implementing, and managing network solutions that ensure optimal performance and security. We seek an enthusiastic professional who is eager to contribute to innovative projects and collaborate with cross-functional teams.

Join our innovative team at weloglobal as a Senior Prompt Engineer for Project Lion. In this exciting remote, part-time role, you will oversee the comprehensive technical migration process, seamlessly transitioning templates to LLM autoraters. Utilizing our client’s internal tools, you will apply advanced prompt engineering strategies to enhance model performance effectively.

Position OverviewWe are seeking a talented and driven Senior Frontend Engineer to take the lead in enhancing the user experiences that fuel Condukt’s cutting-edge agentic platform. This role places you at the confluence of design, engineering, and product strategy, enabling you to construct intuitive interfaces that simplify the navigation of intricate real-time data and AI-driven insights for our customers.As a part of our dynamic startup environment, we take pride in our hands-on approach to building innovative solutions from the ground up. In this pivotal role, you will architect and oversee our frontend framework, establishing benchmarks for performance, accessibility, and UI consistency. You'll engage in frequent code deployments, quickly iterate based on user insights, and ensure that our platform remains agile, robust, and refined.We thrive on building, scaling, and evolving. Our leadership team boasts a proven history of successful product launches, team expansions, and growth initiatives, while our ambitious engineers hail from top tech firms and high-growth startups. If you are passionate about transforming complex data into seamless, elegant user journeys and wish to influence our engineering culture from its inception, we want to hear from you.

Please submit your CV in English and specify your English proficiency level.Mindrift connects talented professionals with project-based AI opportunities for leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. This is a project-based opportunity, not permanent employment.Opportunity OverviewEach project presents distinct tasks, and contributors may be involved in:Designing original computational physics problems that mimic real-world physics research workflows;Creating challenges that require Python programming solutions (using libraries such as Numpy, SciPy, Sympy);Ensuring problems are computationally intensive, requiring considerable timeframes (days/weeks) for resolution;Developing scenarios that necessitate complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in actual research challenges or practical applications within physics;Verifying solutions through Python and standard physics simulation libraries;Clearly documenting problem statements and providing verified accurate answers.Candidate ProfileThis role is ideal for optical engineers with Python experience who are interested in part-time, non-permanent projects. The perfect candidate will have:A degree in Physics (Theoretical, Experimental, or Computational) or a related field;Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any programming language is also acceptable;A minimum of 2 years of professional experience, whether in applied work, research, or teaching;Experience with numerical simulation techniques;The capability to design problems that reflect real-world physics research workflows;Creative problem-solving skills across various areas of physics;Acquaintance with physics modeling and approximation methods;Strong command of written English (C1+).Process OverviewApply → Pass qualifications → Join a project → Complete tasks → Receive paymentProject Time CommitmentFor this position, tasks are expected to require approximately 10–20 hours per week during active phases, depending on project needs. This is an estimate, not a guaranteed workload, applicable only while the project is active.CompensationContributors can earn up to $29 per hour, depending on their level of expertise and contribution pace. Compensation varies across different projects based on scope, complexity, and required skills. Note that other projects on the platform may offer different payment rates based on their specific requirements.

Join Devoteam as a Quality Assurance Engineer in our Retail & E-Commerce division, where you will play a crucial role in ensuring the quality of our innovative solutions. In this position, you will collaborate with cross-functional teams to develop and execute test plans, identify defects, and contribute to the continuous improvement of our software products.

Join the innovative team at Mindrift as an AI Workflow Engineer for the Tendem project (https://tendem.ai/). In this dynamic freelance role, you will develop cutting-edge automation systems utilizing Large Language Models (LLMs) within our unique AI + human collaborative environment.As an AI Pilot, you'll work alongside Tendem Agents to streamline repetitive tasks. Your skills in structured thinking, prompt engineering, and quality control will be pivotal in crafting scalable and reliable AI-driven workflows.This part-time, remote opportunity is perfect for professionals with a robust background in LLM integrations, prompt design, and AI automation systems.

About Speechify Speechify helps people absorb information in new ways. The platform turns articles, documents, and books into audio, making learning more accessible and efficient, at a desk or on the move. Speechify leads the audio information space, with rapid growth and recognition as a top choice in its category. Role Overview: Senior Software Engineer - Core Experiences The Core Experiences Team builds and maintains the services and SDKs that power Speechify’s cross-platform user experience. This senior engineering role focuses on both product development and infrastructure. The team values clear, reliable APIs and a balance between thoughtful design and practical delivery. What You Will Do Work closely with Product Teams to define project scopes, improve feedback cycles, and solve integration and UX challenges across products. Improve existing features by designing efficient abstractions and refining algorithms to boost loading speed and parsing performance. Build and deploy cloud functions, lightweight backend services, and jobs using Kotlin. What We Look For A systems-thinking approach: designs that optimize the whole system while keeping solutions simple. Ability to quickly generate ideas, distinguishing which projects are ready to start and which need more refinement. Focus and adaptability in a startup setting, knowing when to work independently and when to collaborate. Strong collaboration skills, with the ability to inspire and negotiate with designers, marketers, and project managers. Location Porto, Portugal

Join our dynamic team at Devoteam Cyber Trust as a Network Security Engineer. In this role, you will leverage your expertise in network security to safeguard our banking sector clients. As a vital member of our Trust & Cybersecurity department, you will be responsible for implementing robust security measures, conducting risk assessments, and ensuring compliance with industry standards.This position requires fluency in French, enabling you to effectively communicate with our diverse clientele.

toloka-ai seeks Freelance AI Workflow Engineers to help advance the Tendem project. This part-time, remote role focuses on building automation systems that blend large language models (LLMs) with human input. Work supports the development of intelligent workflows for content generation, communication, and process automation. Key responsibilities Design and improve workflows that use LLM APIs for generating content, automating tasks, and facilitating communication Collaborate with Tendem Agents who manage repetitive tasks, ensuring effective cooperation between AI systems and human contributors Apply structured thinking, prompt engineering, and quality assurance to deliver scalable, reliable AI-powered solutions Requirements Hands-on experience integrating LLMs and designing prompts Background in developing or refining AI-driven automation systems Ability to work independently as a remote freelancer Project context The Mindrift platform connects subject matter experts with AI projects from leading technology companies. Tendem aims to unlock Generative AI’s potential by combining global expertise with advanced tools. Location Remote , Porto, Porto District, Portugal

Role overview Mindrift seeks a Freelance Low-Code Automation Engineer to support the Tendem project. This part-time, remote role focuses on building and optimizing automation using Make.com, n8n, and JavaScript. Candidates may work from Porto, Portugal or fully remote. What you will do Design and implement automation workflows with low-code tools such as Make.com and n8n Extend and customize workflows using JavaScript when needed Work alongside Tendem Agents to automate and streamline repetitive tasks Develop reliable and scalable solutions by applying structured problem-solving Maintain high standards for quality and attention to detail in all workflow executions Who thrives in this role Those with hands-on experience in low-code automation platforms Engineers skilled at designing and refining workflow automations Individuals comfortable using JavaScript for custom automation logic People who prioritize quality, reliability, and clear processes The AI Pilot specialist At Mindrift, this specialist is called an "AI Pilot." AI Pilots work closely with human agents, ensuring smooth collaboration between automated systems and manual processes within a hybrid AI and human framework.

Mindrift is seeking talented Low-Code Automation Engineers proficient in Make.com, n8n, and JavaScript to join our innovative Tendem project. In this dynamic role, referred to as an AI Pilot at Mindrift, you will partner with Tendem Agents to streamline repetitive tasks while applying your automation expertise, analytical approach, and quality assurance to ensure efficient and scalable workflows across diverse systems.This part-time remote position is perfect for individuals with substantial experience in low-code automation platforms, workflow design, and JavaScript customization.About MindriftAt Mindrift, we connect industry specialists with cutting-edge AI projects from leading technology firms. Our goal is to harness the power of Generative AI by leveraging real-world expertise globally.Position OverviewThis freelance role focuses on the Tendem project. As a Low-Code Automation Engineer, you will be responsible for designing, developing, and refining sophisticated automation workflows across various platforms, guaranteeing reliable performance, scalability, and effective data management within integrated systems.Primary ResponsibilitiesDesign and assess intricate automation workflows spanning multiple business tools and platforms.Create and enhance workflows utilizing low-code platforms (Make.com, n8n), APIs, webhooks, and event-driven logic.Incorporate custom JavaScript within automation solutions to manage advanced logic, data transformations, and unique scenarios.Connect and synchronize data across systems such as Airtable, Google Sheets, Notion, CRMs, and more.Ensure dependable workflow execution through appropriate error handling, logging, and fallback strategies.Diagnose and enhance automation performance, minimize failures, and increase operational efficiency.Support the automation of communication and operational processes such as messaging, outreach, and notifications.CompensationContributors on this project can earn up to $50 per hour, based on their experience and contribution speed. Compensation may vary across projects depending on their scope, complexity, and expertise required. Other projects on the platform may offer different earning potentials.

Join our dynamic team at inetum2 as a TIBCO Developer, where you will play a pivotal role in designing and implementing integration solutions using the TIBCO suite of products. Engage in cutting-edge projects, collaborate with cross-functional teams, and leverage your expertise to enhance our clients' operational efficiency.

Weloglobal is seeking an Audio Annotation Analyst with expertise in Portuguese (Portugal) to join the team in Porto. This position centers on analyzing and annotating audio data to support the development and accuracy of machine learning models. Role overview As an Audio Annotation Analyst, the main focus is to listen to and label audio recordings in Portuguese. The work directly contributes to the quality of AI-driven solutions by ensuring precise and reliable data for training models. Collaboration The role involves working closely with other analysts and data scientists. Together, the team maintains high data standards and supports ongoing improvements in language processing technology. Requirements Strong command of Portuguese (Portugal) Keen attention to detail Interest in technology and language processing Ability to work collaboratively in a team setting