Senior Backend Software Engineer

We are a leading platform transforming browsing into shopping, connecting 200 million shoppers with deals and boosting local sales for hundreds of top retailers and brands. Our mission is to help consumers save time and money while making smart shopping decisions, and to support retailers in engaging customers from online research to in-store purchases.

Ready to spark your growth with us?

Who We Look For

Millions of users rely on the Flipp app daily to discover deals, save money, and make smarter shopping decisions.

As a Senior Backend Software Engineer, you will join a cross-functional team dedicated to building scalable, secure, and reliable backend systems for our iOS and Android applications. This role involves end-to-end ownership of backend services, contributing to large-scale system design, and guiding technical decisions within the team.

You will act as a technical leader, mentoring engineers and elevating engineering standards through design, code quality, and collaboration. You will work closely with Software Engineers, Product Managers, Designers, and other Engineering teams in a collaborative, international environment.

What You Will Do

Your responsibilities encompass system design, backend development, testing, and technical leadership, with a strong focus on supporting and evolving distributed backend systems for Flipp and Shopfully’s mobile applications.

Key Responsibilities:

• Design and evolve scalable, secure, fault-tolerant distributed systems within an event-driven microservices architecture.
• Own and advance backend service architecture with a platform mindset, creating reusable services, APIs, and shared components for the internal developer community.
• Translate product requirements into clear, well-designed technical solutions, collaborating with Product, Design, Quality, and Data teams.
• Manage the end-to-end software development lifecycle, from technical design, estimations, implementation, testing, deployment, to production support.
• Write clean, robust, and well-tested code, applying SOLID principles, proven design patterns, automated testing, and CI/CD best practices, while actively reducing technical debt.
• Act as a senior technical leader, guiding architectural decisions, mentoring through code reviews, and serving as a point of reference during production incidents.
• Integrate AI-assisted development tools into your daily workflow and help the team adopt effective practices, treating AI tooling as a core part of engineering productivity.

What You Will Need

• 7+ years of backend or full-stack development experience designing and building scalable, reliable backend systems.
• Proven experience with Go and AWS services (e.g., Lambda, API Gateway, S3).
• Strong experience with relational and/or NoSQL databases; experience with Docker and Kubernetes.
• Experience with event-driven systems and messaging (e.g., Kafka, SQS/SNS).
• Strong system design expertise with hands-on experience operating and troubleshooting production systems.

Software Engineering Practices:

• Strong grasp of clean-code principles and backend design patterns.
• Experience writing and maintaining automated unit and integration tests.
• Experience improving CI/CD pipelines and enforcing testable coding practices.
• Proficient with Git and modern collaboration workflows.
• Demonstrated use of AI tools in software workflows, with the ability to articulate benefits, limitations, and lessons learned.

We value diversity and encourage it, believing a variety of perspectives makes us stronger. We focus on potential rather than a "perfect" CV. If this role excites you and you believe you could grow into it, we’d love to hear from you!

Nice to Have

• Experience with PHP, Serverless Framework, OpenSearch / Elasticsearch, Protobuf, GRPC.
• Experience building backend systems that support mobile applications.
• Experience contributing to shared platforms or organization-wide technical initiatives.
• Exposure to large-scale, distributed systems serving millions of users.
• Experience contributing to or maintaining open-source libraries.

Salary Range

€55,000 - €70,000 fixed gross salary per year.

Location

We offer a flexible hybrid model, empowering you to work where you're most effective. Remote work is available from Italy and Spain.

What You Will Find at Shopfully

• An opportunity to thrive in a rapidly scaling multinational company.
• A vibrant, informal, and inclusive work environment.
• Autonomy, flexibility, and a hybrid work model, empowering you to own your work.
• Access to learning opportunities and regular feedback sessions.
• Central, modern offices featuring fresh snacks, coffee (including vegan options!), and ergonomic setups.
• Meaningful team events: offsites, happy hours, company parties, and celebrations.
• All necessary equipment for effective work, wherever you are.
• Additional country-specific advantages based on local contracts and practices.

Who We Are

We are a team of 450+ people from 30 different nationalities, on a mission to innovate. We believe diversity of perspectives is key to innovation, and we are committed to building a more diverse team and bringing in more talent.

To Feel at Home in Shopfully You Need

• Progress Over Perfection: We move forward. Always. Speed with purpose beats certainty without action.
• Clarity Through Transparency: We bring each other along. Transparency gives context and enables action.
• Learn Loudly: We grow by doing and by daring. Big bets unlock big breakthroughs, embracing the possibility of failure as the price of ambition.
• Challenge with Empathy: We speak up, even when it’s hard, because candor shows care and leads to better outcomes. Listening deeply builds growth; disagreeing openly builds trust.
• Always Build Better: We are builders of products, systems, and ideas. Better has no finish line; it’s a mindset.