Senior Backend Engineer - ComparaJá

About the role

ComparaJá.pt is a leading platform for aggregating and comparing financial products and services in Portugal. Founded in 2015 as part of Samlino Group ( samlinogroup.com ) we are operating across three European markets, our group empowered over 10 million users last year alone. At ComparaJá.pt , our mission is to help Portuguese consumers make informed, confident decisions across all areas of personal finance-whether banking, insurance, or utilities-by providing easy access to unbiased, accurate information and free comparisons. Our vision is to become the go-to personal finance platform for consumers, partners, media, and other stakeholders, helping people identify and choose the best solutions for their needs-saving time and money in a simple and transparent way.

Responsibilities

• Drive the development of high-quality software: Take hands-on ownership of complex backend features from end to end. Write robust code while ensuring solutions meet business requirements and adhere to the highest standards of performance, security, and scalability.
• Optimize the codebase and developer experience: Identify technical debt and continuously improve tooling, build processes, and system architecture to increase engineering efficiency and reduce deployment bottlenecks.
• Mentorship and technical guidance: Provide hands-on support to junior and mid-level engineers. Elevate the team's technical bar through rigorous code reviews, pair programming, and active knowledge sharing.
• Champion modern development standards: Actively write testable, maintainable code and promote engineering best practices, including comprehensive automated testing, CI/CD integration, and clean architecture principles.
• Collaborate across functions: Work closely with product managers, designers, and other stakeholders to seamlessly translate business requirements into technical solutions and ensure a shared vision across the product lifecycle.
• Architectural contribution: Design robust backend systems and help drive technical decisions around tools, APIs, and frameworks, ensuring the long-term scalability and maintainability of the application.
• Innovate and explore: Continuously evaluate new technologies and methodologies to keep our tech stack modern. Leverage emerging tools to rapidly prototype ideas, solve complex problems, and accelerate development.
• About You
• Proven experience as a Senior Software Engineer, with a willingness to touch both backend and some frontend application development.
• Strong interpersonal skills and ability to effectively communicate with teams across the organisation.
• You have an analytical mindset to develop the best-fit technical solution.
• You have an understanding of IT infrastructure, architecture, as well as a good understanding of non-technical parts of the business.
• You are comfortable working in an international environment.
• Skills Required:
• Experienced working through the design, development, release cycle, and delivering software products to market, with a track record of successful delivery of software applications as an individual and tech leader
• Experience with managing the development of SaaS and cloud-based applications
• Our stack is: C#, Python, Nuxt, PostgreSQL, all on AWS. The more experience in each the better, but all definitely not necessary.
• Fluency in Portuguese and English is required.
• Start date: as soon as possible

Benefits

Additional Information

Senior Backend Engineer | ComparaJá.pt - Lisbon (Hybrid) Job Summary We are looking for a highly skilled and experienced Senior Backend Engineer to drive the architecture and development of our high-quality software. You will own complex technical features end-to-end, ensuring that our products are built to modern engineering standards while championing a culture of code quality and technical excellence. The ideal candidate will have a deep background in both frontend and backend development, experience providing technical mentorship to fellow engineers, and a passion for optimizing application performance and system scalability. This is an office role based in Alvalade, Lisbon with flexibility to work remotely.

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