Senior Backend Engineer (Java, Spring)

Join Moss as a Senior Backend Engineer

At Moss, we empower finance professionals to automate their day-to-day tasks and make forward-thinking decisions. Our unique team and culture are driven by impact and growth, where everyone strives to learn and excel. Recognized by Sifted’s Rising 100 and LinkedIn's Top Startups, we are here to help propel your career and make Moss a lasting success.

About the Role

Our Engineering teams are seeking both Mid and Senior Backend Engineers for various teams and locations, including Berlin, Warsaw, and Tallinn. The following teams have open positions:

• Sales Enablement
• Pricing & Billing
• Acquisition
• Spend Management
• Activation & Card Spend

As a Senior Backend Engineer, you will collaborate closely with designers, product managers, and frontend engineers to bring innovative ideas to life, ensuring our product helps businesses automate and simplify everyday tasks with intuitive and efficient tools.

Key Responsibilities

• Backend Development: Lead the development of applications, ensuring alignment with product requirements and performance standards. Provide regular updates on progress, achievements, and challenges to product managers and designers.
• Collaborative Planning: Partner with PMs and designers during project kick-offs to understand the overall vision, user needs, and goals. Provide insights to refine UI/UX concepts and contribute to backend development planning.
• Frontend Collaboration: Work closely with frontend engineers to determine required APIs and frontend functionality. Maintain clear communication to ensure smooth integration of frontend and backend components.
• Testing and Quality Assurance: Produce well-tested and reliable code, writing unit and functional (end-to-end) tests.
• Rollout and Performance Monitoring: Collaborate with product managers to devise efficient rollout strategies for new features. Monitor performance and user feedback to identify areas for improvement and address potential issues proactively.

About You

To succeed in this role, you should have:

• Proven experience as a Backend Engineer, leading projects end-to-end to launch.
• Proficiency in Java development technologies, including the Spring framework, and familiarity with microservices, message queues, alerting, reliability, and feature flags.
• Understanding of development design patterns and techniques, including REST API design principles.
• Hands-on experience with testing approaches and libraries (unit testing, integration testing).
• Fluency in English.

Desired Skills and Attributes

• Pragmatic Tech Enthusiast: You have the theoretical and practical background to engineer our product, pursuing quality and scalability while following industry and company best practices.
• Delivery Focused: You understand and focus on what is important to deliver the most impact, providing accurate development and delivery estimations.
• Collaborative Communicator: You convey information effectively to various audiences and actively participate in daily meetings.
• Inquisitive Mindset: You are detail-oriented and seek to develop a deep domain knowledge, questioning assumptions and proposing alternative approaches.
• Team Player: You bring a team together to work towards a shared goal and support individuals throughout all phases of a project.

About Moss

Moss is a SaaS scale-up founded in Berlin, with a team of 250+ people from 40+ nationalities in 6 offices across Europe. Our ambition is bold: to power every SMB’s spend across Europe - fully digital, AI-driven, and seamlessly integrated for complete control. Over 3700 businesses in Germany, Netherlands, and the UK use Moss’ leading spend management product.

Moss has raised a total of €180 million in funding and is backed by renowned tech investors including Valar Ventures, Tiger Global, Global Founders Capital, Cherry Ventures, and A-Star.

Benefits

• Top-of-market compensation package, including equity.
• 20 days “work from abroad”.
• 600 EUR/GBP Learning & Development Budget.
• Weekly breakfasts and Friday demos.

Join us and be part of a culture that thrives on impact and speed, where you can take bold moves, learn fast, and accomplish more. Fast track your career with Moss!