Perus

Mid/Senior Software Engineer

Lisboa, Portugal Yhtiö: Jobio Asiakas / Työnantaja: Checkstep

Julkaistu: 18.05.2026

Sulkemispäivä: 02.07.2026

Työpaikkaviite: cb7337798dc67cae6ae860e7ae927944

Työpaikkatiedot

Sijainti

Lisboa, Portugal

Yhtiö

Jobio

Asiakas / Työnantaja

Checkstep

Työpaikkaviite

cb7337798dc67cae6ae860e7ae927944

Listaustyyppi

Perus

EU-työlupa vaaditaan

Julkaistu

18.05.2026

Sulkemispäivä

02.07.2026

Työkuvaus

Location: Remote (You must live in Portugal - please do not apply if not based in Portugal)Team Size: Small, cross-functional teams of 4–5 membersExperience Level: Minimum 5 years of professional experienceAbout CheckstepCheckstep builds tools that help online platforms and communities moderate harmful content. Our technology blends AI, automation, and human insight to help customers build safer, healthier spaces for users online.We’re a small, fast-moving team working on challenging problems in content moderation, trust & safety, and machine learning — and we’re growing. We practise agile techniques allowing us to deploy multiple times per day with a very low defect rate.The RoleWe’re looking for a mid/senior software engineer to join our backend team. You’ll be working mostly on the backend, but potentially touching full-stack and infrastructure work as needed. We're a small team, so versatility and the ability to learn fast are more important than mastery of any specific tool or framework.What You’ll Work OnBuilding and maintaining backend APIs and services using Python and FastAPIStream processing pipelines with Kafka and our custom async processing library (built on top of aiokafka)Working with PostgreSQL and OpenSearchInfrastructure work using Terraform and AWSOccasionally frontend on our SPA React applicationsWe do have 24x7 support and you will participate in on-call rotation that could include some nights and weekends. What We’re Looking For5+ years of experience as a software engineerComfortable designing, building, and maintaining production systemsStrong fundamentals in at least one backend language or framework — doesn’t have to be Python/FastAPI (Go, Java, Django, etc. are all fine). We believe good engineers can learn new tools.Clear communication skills and a collaborative approach to problem-solving (all communications are in English)Based in PortugalNice to HaveExperience with stream processing or asynchronous systemsFamiliarity with Terraform and AWS servicesKnowledge of Elasticsearch/OpenSearchComfortable being on-call or working in high-availability environmentsWhy Join Checkstep?Mission-driven work — we’re building real solutions to help make the internet saferSmall, collaborative team with real impact and autonomyRemote-first culture with flexibility (within Portugal)Opportunities to work on complex problems in real-time systems, infrastructure, and trust & safety

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