Senior Software Engineer at Septeo

Barcelona, Catalonia, Spain -

Full Time

Start Date

Immediate

Expiry Date

11 May, 26

Salary

50000.0

Posted On

10 Feb, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Node.js, TypeScript, Kotlin, Java, Spring Boot, Micronaut, AI Tooling, IaC, Terraform, LLM-powered features, LangChain, Clean-code, Domain-driven design, AWS, GCP, Kubernetes

Industry

Software Development

Description

Company Description We’re on a mission to make hotel operations effortless. Our cloud-native platform already powers thousands of properties worldwide, and we’re doubling down on AI-driven automation to remove the busy-work from hospitality. We’re a lean, product-obsessed team that values curiosity, data-driven decisions and shipping to production daily. If you love turning complex problems into elegant, resilient systems, we’d love to meet you. Job Description • Ship high-throughput services in Node.js / TypeScript, Kotlin or Java using Spring Boot or Micronaut. • Leverage AI tooling (e.g. GitHub Copilot, Cursor, Claude code) to accelerate development and share best practices with the team. • Own the SDLC use IaC (Terraform) to blue-green deployments and manage preview environments • Continuously profile and tune latency, cost and performance • Design LLM-powered features and agents using LangChain or MCP-compliant frameworks, integrating retrieval, memory and tool-use patterns. • Uphold clean-code & domain-driven design, mentoring peers through thoughtful PR reviews. • Recognise and propose solutions for scaling weaknesses, performance bottlenecks and security risks. Qualifications ● 6+ years building production software. ● Deep expertise in at least one of TypeScript, Kotlin or Java. ● Proven experience running containerised or serverless workloads in AWS, GCP or Kubernetes. ● Fluency with relational and NoSQL databases (MySQL, MongoDB, DynamoDB, Redis). ● Familiarity with working in a UNIX-based environment ● You communicate clearly in English and thrive on feedback loops. ● You care about outcomes, not just tickets. Nice-to-have superpowers ● Experience with GitOps ● Full-stack chops with React / Next.js. ● Hands-on with AI coding assistants (Copilot, Cursor, Claude Code) or autonomous agent frameworks / tools (LangChain, CrewAI, Autogen, n8n). ● MLOps or data-engineering experience (Kubeflow, SageMaker, Feast). ● Passion for mentoring and tech-community talks. Additional Information ● Remote-first culture with flexible schedules and core hours. ● Learning budget and career plan ● An international and diverse environment where you matter ● An amazing, agile, cross-functional team to work with ● Goal oriented work ● Flexible work hour Type of contract: CDI Compensation: EUR40.000 - EUR50.000 - yearly

Responsibilities

The role involves shipping high-throughput services using Node.js, TypeScript, Kotlin, or Java, while leveraging AI tooling to accelerate development. Responsibilities also include owning the SDLC using IaC for deployments, designing LLM-powered features, and continuously profiling system performance.