Backend Developer Jobs in Portugal

About AlphaSense: The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes e

About UpHill At UpHill, our mission is to increase clinical capacity so healthcare professionals can focus on what matters most — the patients. Healthcare teams are either stretched thin by work that can be automated or weighed down by waste that can be avoided. UpHill's intelligent automated platfo

About Anovium Anovium is a product-focused digital innovation agency and consultancy. We empower companies to innovate and harness technology. Anovium is a sister organization of a venture studio, which builds out ideas into high-growth companies. This provides unique exposure to the agency in emerg

About LastPassLastPass delivers Secure Access Essentials, helping individuals and organizations manage and protect access to AI, applications, and credentials straight from the browser. Trusted by more than 100,000 businesses and millions of users worldwide, LastPass blends strong security with ever

About the company At Thrill Labs, we're not just building a gaming company; we're creating a global sensation. We are the innovative force behind Thrill.com, a groundbreaking crypto gaming venture set to launch soon! Our mission? To build the world’s most epic gaming brand and craft magical experien

About the role This role is going to be working on the open source Doppler SDK and Indexer. Responsibilities Implementing - new SDK and Indexer features Testing - automate backend testing alongside a release pipeline Support - helping applications and protocols integrate the SDK and Indexer Shipping

About Us Simply put, we believe in the power of sleep. As sleep health champions, we want more and more people to wake up to a brighter day every day. And, we are making daily progress, as we help more organizations see sleep as transformational and a foundational pillar of health. We strive to give

Joom is a global cross-border marketplace where millions can find anything they want at fair prices. Joom helps consumers to make shopping easy and entertaining and provides access to interesting and unique goods from around the world. Joom is one of the key businesses of Joom Group, an internationa

Whippy is leading the way in AI-powered business communication, transforming how companies engage with customers using intelligent AI Agents. From customer support to marketing to sales, businesses rely on Whippy’s Voice AI and Chat AI to eliminate manual workflows—responding to inquiries, nurturing

Joom Group is an international tech-centric group of e-commerce companies founded in 2016 in Latvia. We are here to transform the largest industry in the world, global trade, making it more transparent, efficient, and technology-driven. Today, Joom Group brings together the following businesses: Joo

About Kalepa: Insurance is a $7T global industry built on professional labor: underwriting, claims, pricing, operations, and distribution. Kalepa is building AI that can perform that work. We create professional-grade AI systems for insurers: software that can read, reason, decide, and act inside re

Do you excel at solving complex backend challenges like streaming responses, intelligent batching, low-latency caching, and API optimization under heavy load? Are you looking for a high-impact backend role where system reliability, cost efficiency, and ultra-low latency directly drive the product ex

Are you a Scala Backend Engineer and a skilled problem-solver? Do you want to be a part of an innovative team that uses its technical skills to make a positive impact? Then this role could be for you! About Tiko Tiko is an African nonprofit committed to strengthening the potential and resilience of

(We are supporting our client, Catawiki, in their search for a Backend Developer in Lisbon. Check it out!) How we work: As the biggest marketplace for special items, Catawiki operates in a domain that brings plenty of unusual challenges and opportunities. You will be developing, testing and scaling

Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need grea

(We are supporting our client, Tiiny Host, in their search for a Senior/Lead Backend Developer to work remote. Check it out!) About tiiny.host: tiiny.host is a bootstrapped, profitable company serving over 1.5M+ users worldwide. We help creators, developers, and businesses share their projects onlin

(We are supporting our client, Tiiny Host, in their search for a Senior/Lead Backend Developer to work remote. Check it out!) About tiiny.host: tiiny.host is a bootstrapped, profitable company serving over 1.5M+ users worldwide. We help creators, developers, and businesses share their projects onlin

Camunda is the enterprise platform for agentic orchestration, enabling organizations to coordinate AI agents, people, and systems across complex, end-to-end business processes. With built-in governance, auditability, and human oversight, Camunda gives enterprises the control they need to move AI fro

(We are supporting our client, Catawiki, in their search for a Senior Backend Developer in Lisbon. Check it out!) How we work: As the biggest marketplace for special items, Catawiki operates in a domain that brings plenty of unusual challenges and opportunities. You will be developing, testing and s

The role is about:We are looking for a Senior Python Backend Developer (Services) to join our engineering team and contribute to the evolution of our service layer architecture. This role is focused on designing and building reliable, scalable microservices while also working with and gradually tran