Empregos de seniormiddle backend developer em Porto

We're looking for a Backend Python MCP Engineer to join our team in Portugal in a fully remote working mode. In this role, you will contribute to building an Enterprise Agent Development Platform - a cloud-native ecosystem that enables engineering teams to define, orchestrate, deploy, and observe AI agents at scale. You will be responsible for implementing...

pubGENIUS is a React.js and Next.js development agency and ad tech startup. We build web and AI products for clients in the US and Europe. Our focus areas include DeFi, fintech, and healthcare. We are hiring a backend developer with strong Node.js and AWS experience. You will work on real client products and internal systems. This is a project based,...

Blip is a leading tech company focused on software engineering solutions for sports entertainment. As part of Flutter Entertainment, we support online sports betting and iGaming for over 14 million monthly customers.You will join an agile team as Senior Backend Developer, guiding a small team on large tasks spanning components, and shaping technical...

We’re looking for the special, unique and amazing YOU! @ KCS IT, we look for the ones that stands out, for those that always wants to be better and fight for it, and for those who has the same values that we do: dedication, energy, integrity, transparency, flexibility, trust, honesty, hard work, proactivity, team work. At KCS we stand for equality and...

A Sysmatch procura um Java AI Developer para atuar em regime híbrido (2x/semana presencial em Leça da Palmeira). O candidato ideal tem experiência prática em desenvolvimento backend com Java e conhecimentos em Quarkus, APIs e microserviços, bem como competências em testes automatizados e integração de ferramentas de IA no fluxo de trabalho. ...

KCS IT is seeking an Amazing Python Developer in Portugal. The role targets developers with +3 years of experience in backend engineering, especially with Python and modern frameworks. You'll work with Django or Flask, possibly in cloud environments, and collaborate with multilingual teams; fluency in Portuguese and English is required. Join a company...

A DataSmart, localizada em Lisboa, procura um(a) Java Backend Developer para projetar e desenvolver aplicações Java de alta qualidade. O candidato ideal deve ter mais de 5 anos de experiência em Java, além de sólido conhecimento em tecnologias de banco de dados e arquitetura de microserviços. Esta posição híbrida oferece a oportunidade de trabalhar...

TSED UNIPESSOAL is seeking a Senior Backend Developer to lead application development in Porto. You'll guide an agile team and drive technical excellence while developing solutions for a global market. The ideal candidate has over 5 years of Java experience, a background in high concurrency systems, and strong communication skills in both Portuguese and...

A tech consulting firm in Porto is seeking a skilled software developer with at least 4 years of experience. Candidates should have a strong knowledge of backend technologies such as C#/.Net and relational database concepts, alongside proficiency in version control tools like GIT. Fluency in English, both spoken and written, is essential. Optional experience...

KCS IT is seeking a Mid-level Java Backend Developer to join our hybrid team in Portugal. You will work on scalable backend systems using Java, Spring, and Spring Boot, delivering RESTful services and microservices within cross-functional squads. Ideal candidates have 5+ years in backend development, strong SQL skills, testing discipline, and good English...

KCS IT is seeking a Mid-level .NET Backend developer based in Porto, Portugal, offering a hybrid model. You will contribute to backend systems with REST APIs and microservices, working in cross-functional teams in a dynamic, multilingual environment. Requirements include 5+ years in backend development with .NET/C#, strong OOP, SQL skills, Kafka experience,...

We’re looking for the special, unique and amazing YOU! @ KCS IT, we look for the ones that stands out, for those that always wants to be better and fight for it, and for those who has the same values that we do: dedication, energy, integrity, transparency, flexibility, trust, honesty, hard work, proactivity, team work. At KCS we stand for equality and...

Wolters Kluwer is seeking a Senior Backend Developer to drive cloud migration of core products using .NET, C#, and Azure. You will work in a hybrid Porto-based team, developing scalable services, APIs, and data interactions with modern tech stack. You will collaborate with architects, product owners, and peers, mentoring juniors and delivering high-quality...

# Senior Backend Engineer (.NET)LastPassSalary not statedFull-timeremote· seniorPortugalrest apidockerawsangularListed via Jobicy · posted 18 Sept 2026. The application happens there, not on DevConnect.Apply on Jobicy## DescriptionAbout LastPassLastPass delivers Secure Access Essentials, helping individuals and organizations manage and protect access to...

Blip, a leading tech company focused on software engineering for sports entertainment, seeks a Senior Backend Developer in Porto. You’ll own the full lifecycle of backend services, guide junior engineers, and shape architecture across multiple components and teams, delivering robust Java-based solutions. Join a culture that blends cutting-edge...

A tech company is seeking a Senior/Lead Backend Developer to scale its backend infrastructure. The ideal candidate has over 5 years of experience in backend development, strong knowledge of AWS, and is comfortable with DevOps tasks. The role allows working remotely and requires alignment with the UK timezone. This position offers the chance to lead a...

KCS IT in Lisbon seeks a mid-level Fullstack .NET/Angular Developer to join our team. You will work on scalable backend using .NET Core and REST APIs and develop modern Angular front-end across multiple client projects in a hybrid environment. Ideal candidates have 5+ years of experience, strong OOP and design-pattern knowledge, and fluency in English. We...

Wolters Kluwer is seeking a Senior Backend Developer to drive cloud migration of core products using .NET, C#, and Azure. You will work in a hybrid Porto-based team, developing scalable services, APIs, and data interactions with modern tech stack. You will collaborate with architects, product owners, and peers, mentoring juniors and delivering high-quality...

Bee Engineering ICT, a Portugal-based IT consultancy in Porto, seeks developers passionate about AI, ML and backend systems. You will work across FastAPI, Django or Flask stacks, design RESTful APIs, and integrate AI features with LLMs via APIs. The role emphasizes scalable architectures and rigorous testing within diverse projects. You will collaborate in...

Jungle is seeking a mid-level Backend Developer to help scale Canopy, the web app turning millions of sensor readings and ML results into actionable insights. You will own APIs, data access, and services, collaborating with product and ML/DevOps teams to ship features rapidly. You’ll join a small, pragmatic team, shipping code from day one with fully...