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Full-Stack PHP Developer with Backend Focus

avomind

Full-time|Hybrid|Lisbon, Lisbon, Portugal

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…

Oct 24, 2025

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Backend Engineer - Domains Registrar

Squarespace, Inc.

Full-time|Hybrid|Aveiro

The Squarespace Domains & Applications team is actively seeking a Backend Engineer to join our dynamic Domains Registrar team. Our domain products serve as the cornerstone of our customers' digital identities, playing a crucial role in Squarespace’s mission. Currently, our focus is on architecting innovative products and enhancing the features of one of the world’s largest domain registrars. In this role, you will concentrate on high-scale architecture, performance, and long-term scalability, contributing to the comprehensive development of components that support millions of online identities. You will report directly to the Engineering Team Manager based in Aveiro, Portugal, working in a hybrid capacity (minimum of 3 days per week in-office).

Mar 6, 2026

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Backend Engineer at Riskified | Lisbon

Riskified

Full-time|On-site|Lisbon

Role overview Riskified seeks a Backend Engineer in Lisbon to help build and maintain the systems behind its fraud prevention products. This position centers on developing backend applications that keep client transactions running smoothly. The work involves ensuring reliability and scalability across key services. What you will do Design, develop, and maintain backend applications that support fraud prevention efforts Work with colleagues from other teams to deliver solutions that perform well under load Help ensure the stability and scalability of systems that process client transactions

Apr 20, 2026

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Senior Python Data Scraping Engineer

jobgether

Part-time|Remote|Portugal

Role overview Jobgether is hiring a Senior Python Data Scraping Engineer for a freelance, remote position based in Portugal. This role focuses on developing scalable systems to extract web data from complex and changing online sources. The work blends hands-on engineering with creative problem-solving, supporting workflows that combine AI tools and human oversight. What you will do Create and maintain Python-based solutions for large-scale web data extraction Tackle challenging scraping projects on dynamic and frequently updated websites Work with AI-driven agents to verify data accuracy, validation, and quality Adjust scraping methods as web environments shift Provide structured datasets to fuel advanced AI and analytics initiatives Requirements Extensive experience with Python, particularly for data scraping and automation Background working with large datasets and dynamic web sources Strong skills in problem-solving and technical creativity Ability to work independently while maintaining high precision Work arrangement Remote freelance contract Role based in Portugal

Apr 28, 2026

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HR Specialist at Alongside | Porto, Portugal

Alongside

Full-time|Hybrid|Porto, Porto District, Portugal

Alongside collaborates with organizations to accelerate digital transformation and develop high-performing technology teams.We are seeking a self-motivated and proactive HR Specialist to become a vital member of a partner company's team. In this position, you will provide daily support to employees, oversee comprehensive HR processes, and actively contribute to HR strategies and initiatives that align with the company's objectives. This role offers an incredible opportunity to thrive in a dynamic and innovative environment, especially within start-ups or product-focused firms.Your ResponsibilitiesAct as the primary point of contact for employees regarding HR inquiriesOversee end-to-end HR processes, including recruitment, onboarding, and the entire employee lifecycleSupport the HR strategy and initiatives that align with business goalsWork closely with leadership and various teams to promote a positive and inclusive workplace cultureEnsure adherence to HR policies, Portuguese labor laws, and employee relations

Mar 17, 2026

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Staff Backend Engineer (Django or FastAPI)

Renesa Electronics

Full-time|On-site|Lisbon

Join Renesa Electronics as a Staff Backend Engineer, where you will develop robust backend systems using Django or FastAPI. This is an exciting opportunity to work on innovative projects in a dynamic team environment.

Apr 9, 2026

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Senior Backend Engineer - Golang

Emma Sleep

Full-time|On-site|Lisbon

Emma Sleep is hiring a Senior Backend Engineer with expertise in Golang to help shape the technology behind its global platform. This position is based in Lisbon and centers on developing and refining backend systems that keep Emma Sleep’s operations running smoothly. Key responsibilities Design, build, and maintain backend services using Golang Improve system performance and scalability Support the reliability and efficiency of Emma Sleep’s technology platform Location This role is located in Lisbon.

Apr 22, 2026

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Biology & Python Expert - Freelance AI Trainer

Toloka AI

Contract|Remote|Remote — Porto, Porto District, Portugal

Toloka AI is seeking a freelance specialist with a strong background in biology and Python programming. This remote position is based in Porto, Portugal. Role overview This project centers on training AI models to better understand biological concepts using Python. The work involves applying subject matter expertise to improve how AI interprets and processes information in biology through code-based tasks. What you will do Use knowledge of biology and Python to guide AI model training Contribute to the development of educational resources powered by AI Location This freelance role is fully remote, with a focus on candidates located in Porto, Porto District, Portugal.

Apr 29, 2026

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Data Engineer

Alongside Team

Full-time|On-site|Espinho, Aveiro District, Portugal

Alongside Team is looking for a Data Engineer in Espinho, Aveiro District, Portugal. This position centers on developing and improving the company’s data infrastructure. Role overview The Data Engineer will work closely with teams from different areas to support the collection, storage, and processing of data. The goal is to make sure data flows efficiently and is available when needed. Key responsibilities Build and optimize systems for data collection and storage Work with colleagues from other teams to support data needs Help turn raw data into insights that inform decisions across the company Impact This role supports data-driven decisions by ensuring that information is reliable and accessible for analysis throughout the organization.

Apr 29, 2026

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Senior Backend Software Engineer

Squarespace

Full-time|Hybrid|Aveiro

The Acuity Scheduling team is on the lookout for seasoned Backend Engineers to join our dynamic Acuity Engineering group. Acuity Scheduling is a unique brand and platform within the broader Squarespace ecosystem, dedicated to empowering appointment-based businesses. Our goal is to facilitate the growth of these businesses by enabling clients to effortlessly schedule appointments, alleviating administrative burdens, and allowing our users to dedicate more time to their passions. As a Backend Engineer, you will play a critical role in enhancing our architecture, boosting performance, and ensuring scalability. Your contributions will encompass the complete development cycle of various components while shaping the long-term strategic vision of Squarespace. This position is a hybrid role, requiring you to work from our Aveiro office three days a week. You will report directly to the Software Engineering Manager and be part of Squarespace's foundational team in Portugal, helping to establish our presence in the market.

Mar 5, 2026

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Backend Engineer for Cloud-Based Solutions

Bosch Group

Full-time|On-site|Ovar

Join us as a Backend Engineer specializing in cloud-based solutions at Bosch Group. In this pivotal role, you will be responsible for developing and maintaining robust backend systems that support our innovative cloud services. Collaborate with cross-functional teams to design scalable architectures and implement best practices in software development.

Mar 27, 2026

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Senior Backend Engineer (Django or FastAPI)

Renesas Electronics Corporation

Full-time|On-site|Lisbon

Join our dynamic team at Renesas Electronics as a Senior Backend Engineer, specializing in Django or FastAPI. In this role, you will be responsible for developing robust backend systems that support our innovative electronics solutions. We are looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle complex technical challenges.

Apr 9, 2026

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Junior Sales Consultant for B2B Digital Products

Alongside

Full-time|Hybrid|Porto, Porto District, Portugal

Alongside collaborates with organizations to facilitate digital transformation and develop high-performing technology teams. We are seeking a Junior Sales Consultant to enhance our client base by promoting our digital products (subscription/licensing model) to small and medium-sized businesses (SMBs).This position is perfect for individuals with some sales background looking to hone their skills in B2B sales within a digital-first context.You will engage in prospecting, connecting with potential clients online, and finalizing sales.Key Responsibilities:Identify and connect with potential SMB clients through email, LinkedIn, and various online platforms.Assess leads and comprehend customer requirements.Conduct online product demonstrations via Zoom or Google Meet.Oversee the entire sales cycle from initial outreach to closing the sale.Finalize subscription agreements with new clients.Keep precise records of leads and opportunities using CRM tools.Consistently meet or surpass sales objectives.Collaborate with internal teams to enhance messaging and improve conversion ratios.Success in This Role:Close your first deal within 90 days.Regularly achieve monthly sales goals (number of deals closed and/or revenue).Establish and sustain a robust and active sales pipeline.Deliver impactful product demonstrations with strong conversion rates.Requirements:1–2 years of sales experience (B2B preferred).Excellent communication and interpersonal skills.Comfortable conducting sales discussions and demonstrations online.Results-oriented with a proactive approach.Resilient and capable of managing rejection.Strong organizational and time management abilities.Genuine interest in digital products, SaaS, or technology.Preferred Qualifications:Experience in selling subscription-based or SaaS products.Familiarity with CRM tools (e.g., HubSpot, Salesforce).Experience with outbound prospecting (cold emailing, LinkedIn outreach).Benefits:Compensation:Base salary plus commission.Performance-based bonuses connected to deals closed.Potential to enhance earnings based on performance.What We Provide:Comprehensive onboarding and product training.Access to sales scripts, documentation, and case studies.A supportive and collaborative team atmosphere.A clear pathway for advancement into senior sales roles.Work Environment:Primarily remote, with weekly in-office meetings.Engaging SMB clients through online channels and occasional on-site meetings.

Mar 27, 2026

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Tech Lead / Senior Golang Developer for Payments and Billing Systems

Aghanim

Full-time|On-site|Lisbon

Join our dynamic team at Aghanim as a Tech Lead/Senior Golang Developer, where you will spearhead the design and development of robust backend services tailored for billing and payment processing systems.This pivotal role demands extensive expertise in Go backend architecture, paired with hands-on experience in integrating with various payment providers and financial infrastructures.You will engage in crafting systems that manage payment processing, billing logic, provider integrations, and transaction workflows, ensuring the utmost reliability, scalability, and accuracy in all financial operations.

Mar 30, 2026

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Freelance Research Physicist with Python Expertise

Mindrift

Contract|$29/hr - $29/hr|Remote|Remote — Porto, Porto District, Portugal

We invite you to submit your CV in English, along with your proficiency level in the English language.Mindrift serves as a bridge, connecting experts with AI project opportunities from leading technology firms, concentrating on the evaluation, testing, and enhancement of AI systems. Please note that participation is based on projects rather than permanent employment.Opportunity Overview:Each project is unique, and contributors may be tasked with:Creating original computational physics problems that replicate authentic physics research workflows;Designing problems that necessitate Python programming for resolution (utilizing libraries such as Numpy, SciPy, and Sympy);Ensuring that problems are computationally demanding, requiring extended timeframes (days/weeks) to solve manually;Generating problems that involve complex reasoning chains across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Formulating problems based on real-world research challenges or practical applications in the field of physics;Verifying solutions through Python with established physics simulation libraries;Clearly documenting problem statements and supplying verified correct answers.Qualifications We Seek:This opportunity is ideal for physicists with Python experience, looking for part-time and non-permanent engagements. The ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other programming languages is also acceptable;A minimum of 2 years of professional experience, which may include applied, research, or teaching roles;Experience with numerical simulation techniques;The capability to design problems that reflect real physics research workflows;Innovative thinking in problem design across various physics domains;Knowledge of physics modeling and approximation methods;Strong written English skills (C1+).Process:Apply → Complete qualifications → Engage in a project → Execute tasks → Get compensated.Project Commitment:For this role, tasks are projected to require approximately 10-20 hours per week during active phases, contingent on project demands. Please remember that this is an estimate and not a guaranteed workload.Compensation:Participants can earn up to $29 per hour, based on contribution level and efficiency. Compensation varies across projects, influenced by their scope, complexity, and necessary expertise. Note that other projects on the platform may offer different compensation levels based on their specific requirements.

Apr 30, 2026

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Senior Backend Engineer - Ruby on Rails

Easyship

Full-time|$50K/yr - $75K/yr|Remote|Lisbon

About Easyship:Easyship is a premier multi-carrier shipping platform designed to simplify global eCommerce. Since our inception in 2014, we have been dedicated to making logistics accessible and transparent, eliminating the complexities of international shipping. With over 100,000 brands relying on our solution, we provide a centralized hub for global trade, featuring access to more than 550 courier services across 200 destinations.Recognized globally as a leading startup (Forbes 30 Under 30, TechInAsia’s Best Startup), Easyship boasts offices in London, New York, Hong Kong, and more. Our rapid growth is fueled by our commitment to transparency and our passion for creating the infrastructure that drives modern commerce. If you are eager to tackle complex challenges on a large scale, we invite you to join our team.Who We’re Looking For:We seek a Senior Backend Engineer specializing in Ruby on Rails, who is not merely a coder but an architect. The ideal candidate will leverage AI as a powerful tool to enhance the development of high-quality, scalable systems efficiently. You will play a crucial role in our core infrastructure, enhancing our RESTful APIs and optimizing algorithms vital for global trade. Additionally, you will be instrumental in our transition to microservices, ensuring code quality and influencing the technical direction of our backend stack, which includes Ruby on Rails, PostgreSQL, Redis/Sidekiq, RabbitMQ, and Kubernetes. As a mentor, you will guide our team in mastering Ruby and embracing AI-assisted development techniques.

Mar 27, 2026

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Backend Automation Testing Course

Mindera Education

Full-time|On-site|Porto, Porto District, Portugal

Join our comprehensive course designed to offer participants a robust and hands-on foundation in backend test automation. This program utilizes Postman, Newman, and Playwright, with JavaScript and TypeScript as the primary programming languages. Throughout the course, students will master how to design, automate, and execute API tests, validate business rules, navigate authentication flows, and seamlessly integrate automated tests into Continuous Integration (CI) pipelines. Our curriculum goes beyond mere request validation, concentrating instead on strategic backend quality, effective test architecture, and real-world automation techniques that align with contemporary development practices.Course OutlineModule 1: Backend Foundations & First API CallsContent:Introduction to essential backend concepts, client-server architectures, HTTP fundamentals, RESTful APIs, HTTP status codes, JSON data structures, making API calls with GET requests, understanding API responses, and validating crucial data structures.Module 2: Advanced API Calls & Response ValidationContent:Students will delve into additional API endpoints, utilize query parameters and pagination, and perform comprehensive response validations. The focus will be on analyzing JSON structures and validating arrays and nested objects, enhancing critical backend testing skills.Module 3: Test Automation with Postman ScriptsContent:This module introduces API test automation through Postman. Participants will learn to write JavaScript test scripts, create assertions, manage environment variables, and professionally organize collections to shift from manual API testing to structured, automated validation.Module 4: Introduction to Playwright for API TestingContent:Students will transition from Postman to code-based automation via Playwright using JavaScript/TypeScript. This module covers project structuring, scalable test architecture, and automated API validation through a modern testing framework.Module 5: Advanced API Automation & Test ArchitectureContent:This module enhances Playwright API automation by implementing reusable request contexts, data-driven testing approaches, and structured test organization. Learners will discover how to develop maintainable and scalable backend test suites.Module 6: Integration Workflows & Data Validation

Feb 25, 2026

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Mid-Level Software Engineer - Java/Python | Lisbon

Gapstars

Full-time|Hybrid|Lisbon, Lisboa, Portugal

Join Gapstars as a Mid-Level Software Engineer!At Gapstars, we pride ourselves on building innovative remote teams across Sri Lanka and Portugal, dedicated to delivering exceptional software solutions for forward-thinking tech companies. Our dynamic team of over 275 TechStars is committed to transforming scalable software into high-performance products that reshape industries. We collaborate with ambitious partners in technology, striving to excel in their respective markets.Role OverviewWe are looking for a Mid-Level Software Engineer who will be instrumental in supporting a rapidly expanding FinTech cloud-based data and analytics platform utilized by leading global market players. Your role will focus on developing reliable, secure, and high-quality systems that facilitate large-scale data distribution, emphasizing hands-on engineering, automation, and data visualization.This is a hybrid role based in Lisbon, Portugal.Key Responsibilities:Contribute to the growth of our FinTech solutions by shaping technology initiatives.Translate high-level business objectives into scalable, architecturally sound solutions leveraging GCP.Develop robust, secure systems, ensuring effective workarounds for service continuity during failures.Plan and execute structured releases to minimize disruptions, with clear rollback strategies.Mentor junior team members, promoting a culture of continuous learning and development.Essential QualificationsAt least 2 years of experience in Python and/or Java.Strong expertise in databases and cloud data warehouses (e.g., SQL, PostgreSQL).

Feb 24, 2026

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Remote Python Engineer at Veeva | Lisbon, Portugal

Veeva Systems, Inc.

Full-time|Remote|Portugal - Lisbon

Veeva Systems is a pioneering organization in industry cloud solutions, dedicated to expediting the delivery of therapies to patients within the life sciences sector. As one of the fastest-growing SaaS companies in history, we achieved over $2 billion in revenue last fiscal year, with promising growth opportunities on the horizon.Our core values of integrity, customer success, employee success, and speed form the foundation of our work culture. In 2021, we made history by becoming a public benefit corporation (PBC), which legally binds us to balance the interests of our customers, employees, society, and investors.As a Work Anywhere company, we prioritize your flexibility, allowing you to thrive in either a remote or in-office environment.Join us in transforming the life sciences industry by positively impacting our customers, employees, and communities.The RoleAs a part of Veeva Link, we are developing an intelligence layer for the life sciences sector, creating interconnected data applications that speed up drug development and enhance patient outcomes. Our belief is that the integration of high-quality data with advanced software yields significant value.Execution is paramount to us. Progress is driven by speed, accuracy, and quality in our daily creations. Our engineering philosophy focuses on precise product definitions that lead to thorough technical designs. We utilize a modern tech stack to produce reliable applications that provide an excellent user experience.Our initiatives encompass two vital domains:Data-Driven InsightsWe create sophisticated applications that map and comprehend global scientific and medical expertise, delivering impactful insights and AI-generated intelligence. Our engineers address complex data modeling, entity resolution, and advanced machine learning challenges.Intelligent Business WorkflowsWe design intelligent workflows that streamline business processes in the life sciences sector, ensuring efficiency and effectiveness in our operations. Our technologies facilitate seamless integration and collaboration across various functions.

Feb 10, 2025

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Chemistry & Python Specialist - Freelance AI Trainer

Mindrift

Part-time|$29/hr - $29/hr|Remote|Remote — Porto, Porto District, Portugal

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists in chemistry and Python with project-based AI work for technology firms. These freelance roles focus on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. Role overview As a Chemistry & Python Specialist, contributors work on a variety of computational chemistry tasks. Projects may involve: Designing original computational chemistry problems that mirror real research workflows Developing Python solutions using libraries such as numpy, scipy, and chemistry-specific packages Creating problems that require computational approaches beyond manual calculation Formulating challenges in physical chemistry, quantum chemistry, or molecular modeling that demand advanced reasoning Basing problems on real-world research issues or practical chemistry applications Validating answers through Python and established computational chemistry methods Documenting both problem statements and verified solutions thoroughly Requirements Degree in Chemistry or a related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar libraries is also acceptable At least 2 years of relevant experience (applied work, research, or teaching) Experience with numerical methods in chemistry Strong knowledge of computational chemistry concepts and methods Excellent written English (C1 level or higher) Project process The engagement process includes applying, completing qualifications, joining a project, performing assigned tasks, and receiving compensation. Time commitment Active project phases typically require an estimated 10–20 hours per week, depending on project needs. Actual workload may vary. Compensation Contributors can earn up to $29 per hour, depending on expertise and speed. Compensation is project-specific and may vary based on scope and complexity. Other projects on the Mindrift platform may offer different pay rates.

Apr 29, 2026

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