Senior Backend Developer

Vor 2 Tagen

Berlin, Berlin, Deutschland FPT Software Vollzeit

Job Description

As a
Backend Engineer
, you will play a key role in designing, developing, and maintaining scalable backend systems that power our platforms. You will work closely with cross-functional teams—including Product Managers, Frontend Engineers, and DevOps—to deliver high-quality, reliable, and performance-driven solutions.

Key Responsibilities

  • Design, develop, and maintain backend systems using
    Java and Kotlin
    .
  • Collaborate with Product Managers, Frontend Engineers, and stakeholders to analyze requirements and translate them into technical solutions.
  • Ensure
    scalability, reliability, security, and performance
    of backend services.
  • Implement best practices for
    code quality, testing, and deployment
    .
  • Conduct
    code reviews
    and provide technical guidance or mentorship to junior engineers.
  • Work closely with
    DevOps teams
    to ensure smooth CI/CD, deployment, and monitoring processes.
  • Stay up to date with emerging technologies and industry best practices to continuously improve system architecture and performance.

Required Skills and Experience

  • Proven experience as a
    Backend Engineer
    , with strong hands-on skills in
    Java and Kotlin
    .
  • Solid understanding of
    Object-Oriented Programming (OOP)
    principles and design patterns.
  • Experience in
    RESTful API
    design and development.
  • Hands-on experience with
    microservices architecture
    .
  • Familiarity with
    containerization technologies
    such as Docker and Kubernetes.
  • Strong knowledge of
    relational databases
    and
    SQL
    .
  • Experience with
    version control systems
    , especially Git.
  • Understanding of
    CI/CD pipelines and tools
    .
  • Strong problem-solving skills and attention to detail.
  • Good communication skills in both
    written and spoken English
    .

Preferred Qualifications

  • Experience in
    e-commerce platforms
    , especially
    B2B environments
    .
  • Experience with
    cloud platforms
    such as
    AWS or Google Cloud Platform (GCP)
    .
  • Knowledge of
    NoSQL databases
    .
  • Experience with
    message brokers
    such as
    Kafka or RabbitMQ
    .
  • Familiarity with
    Agile/Scrum methodologies
    and tools like
    JIRA
    .

Working Location

  • Hybrid model
    :
  • 2–3 days per week onsite in Berlin
  • Remaining days
    remote

  • Senior Backend Developer

    vor 2 Wochen

    Berlin, Berlin, Deutschland Bling Vollzeit

    Your MissionAs a Senior Backend Developer, your mission is to design, build, and continuously improve Bling's backend infrastructure to ensure it is robust, scalable, and future-ready. You will take ownership of driving technical excellence across our systems, enabling our product to evolve smoothly as we grow. By optimizing performance, ensuring...

  • Java Backend Developer

    Vor 3 Tagen

    Berlin, Berlin, Deutschland PIXIE Vollzeit

    Java Backend DeveloperRole:Java Backend Developer – Mid/SeniorLocation:Berlin (Hybrid – 2 days onsite/week)Start date:February 2026End date:Minimum until 2027 (long-term)Contract type:FreelanceContext & MissionOur client is looking for skilled Java Backend Developers to join their long-term project in Berlin. You'll work on building and maintaining...

  • Senior Backend Developer

    vor 21 Stunden

    Berlin, Berlin, Deutschland senvo Vollzeit

    Senvo is a young start-up working on changing the face of last mile logistics. We enable logistics companies, e-commerce providers and producers to ship goods more effectively and efficiently. We are a tight-knit team of highly driven and smart people who are supportive of each other, passionate about technology, and compassionate with our users.The...

  • Backend Developer

    vor 2 Wochen

    Berlin, Berlin, Deutschland NeuroNation - Mind & Brain Health Technology Vollzeit

    About UsNeuroNationis a leading brain training platform empowering more than 30 million people worldwide to stay cognitively fit, independent, and mentally strong. We collaborate closely with scientists, universities, clinics, and research organizations to develop engaging, evidence-based digital health solutions.Our products, including the medical...

  • Backend Developer

    vor 2 Wochen

    Berlin, Berlin, Deutschland NeuroNation Vollzeit

    About usNeuroNation is a leading brain training platform empowering more than 30 million people worldwide to stay cognitively fit, independent, and mentally strong. We collaborate closely with scientists, universities, clinics, and research organizations to develop engaging, evidence-based digital health solutions.Our products, including the medical device...

  • Senior Backend Developer

    vor 18 Stunden

    Berlin, Berlin, Deutschland Qunomedical GmbH Vollzeit

    Help Us Put Patients First and Enhance Healthcare Provider Efficiency at QunomedicalWhy Join Us?At Qunomedical, we're transforming healthcare by putting patients first. Founded by Dr. Sophie, we operate:Qunomedical Marketplace: Connecting patients to the right healthcare providers, making quality care accessible to everyone.QunoSuite for Healthcare...

  • Senior Backend Developer

    vor 2 Wochen

    Berlin, Berlin, Deutschland Integress, Inc. Vollzeit

    About The PositionAbout AllCloudAllCloud is a global professional services company that provides organizations with the tools for cloud enablement and transformation. As an AWS Premier Consulting Partner and audited MSP, a Salesforce Platinum Partner, and a Snowflake Premier Partner, AllCloud helps clients connect their front and back offices by building a...

  • Backend Developer Java

    vor 23 Stunden

    Berlin, Berlin, Deutschland Tietoevry Vollzeit

    Job DescriptionAre you a curious and engaged software developer and want to join one of the largest tech companies in the Nordics? Then this is the role for youWe are looking for an experienced Backend Developer who wants to be part of Tietoevry Create. Tietoevry Create is the leading digital accelerator for innovation and sustainable value creation. We...

  • Senior Backend Engineer

    vor 1 Woche

    Berlin, Berlin, Deutschland Global M Vollzeit

    Senior Backend EngineerWe're looking for a Senior Backend Engineer to take full ownership of our backend systems. In this role, you'll build, maintain, and scale the platform that powers the entire product — including APIs, databases, search functionality, and integrations.You'll ensure system performance, reliability, and security across a multi-tenant...

  • Senior Backend Developer

    vor 2 Wochen

    Berlin, Berlin, Deutschland paymenttools Vollzeit

    Paymenttools is on a mission to transform the payment landscape for retailers in Europe. With more than 4,4 billion visitors per year in our more than 15,000 REWE Group stores and travel agencies in 21 countries we know exactly what consumers and merchants need when exchanging goods for money. We strongly believe in making payments seamless and invisible,...