Senior Backend Engineer (m/f/x)

Permanent employee, Full-time · Berlin AI Campus, Munich

Your tasks

We are seeking a Senior Backend Engineer to design and develop scalable backend systems and APIs that power critical business applications. You will play a key role in shaping our system architecture, with a strong focus on serverless computing using AWS services. This role requires both technical leadership and hands-on implementation, ensuring our infrastructure is robust, secure, and highly available. 

You'll collaborate closely with frontend developers, data scientists, and product managers to deliver seamless end-to-end solutions. 

In this role, you will have the opportunity to:

  • Design, develop, and maintain secure and scalable backend services, APIs, and microservices
  • Architect and implement  backend systems using serverless patterns (e.g., AWS Lambda, API Gateway, DynamoDB, SQS, SNS).
  • Optimize performance and ensure reliability of backend components at scale. 
  • Build  reusable, well-documented modules and libraries for internal and external integrations. 
  • Collaborate with cross-functional teams to define and deliver complete solutions. 
  • Collaborate with cross-functional teams (design, product, backend, and data) to deliver well-integrated solutions. 
  • Document architecture, APIs, and system behavior for internal reference and onboarding. 
  • Stay  up to date with industry trends and emerging backend/cloud technologies.

Your profile
  • 5+ years of professional experience in backend software development, with deep expertise in Python
  • Proven experience building serverless applications on AWS, including use of Lambda, API Gateway, DynamoDB, S3, EventBridge, Step Functions, and other AWS services
  • Additional proficiency in at least two of the following languages: TypeScript, JavaScript, Java.
  • Solid understanding of backend architecture patterns, including microservices and eventdriven systems. :
  • Experience designing and managing SQL and NoSQL databases.
  • Familiar with Infrastructure as Code tools such as AWS CDK, CloudFormation, or Terraform. 
  • Strong grasp of software engineering principles, security best practices, and scalable design.
  • Comfortable working with Git-based workflows and CI/CD pipelines
  • Excellent problem-solving and debugging skills
  • Strong communication and collaboration abilities.
  • Effective written and oral communication skills in English

Bonus Qualifications
  • Experience with containerization and orchestration tools (e.g., Docker, Kubernetes). 
  • Familiarity with monitoring and observability tools like CloudWatch, Datadog, ELK, or Prometheus/Grafana.
  • Knowledge of GraphQL, gRPC, or WebSocket protocols. 
  • Exposure to DevOps or SRE practices
Why us?
At Beroe X nnamu GmbH, we prioritize a balanced work-life experience.

 Here’s what we offer you:
  • 4-Day Work Week & 30 Days Paid Vacation – More time to recharge
  • Competitive Compensation – Fair salary and comprehensive benefits. 
  • Flexible Work Arrangements – Work the way that suits you. Professional Development – Access to training and certifications. 
  • Team Events – Bi-annual company events and monthly lunch get-togethers. 
  • Work Abroad Flexibility – Remote work from the EU or selected non-EU countries for up to 8 weeks a year with travel insurance coverage
We operate on a hybrid model with offices in Berlin and Munich, offering a 32-hour, 4-day workweek. 
This means: 
  • In-Office Collaboration: Work from the office two days a week
  • Manage Your Own Hours: Flexibility to work around your needs as long as team goals are met. 
Our Culture   
We are committed to fostering a collaborative, innovative and inclusive work environment where everyone’s ideas matter. We know that diverse teams lead to better outcomes and welcome applicants from all backgrounds.
About us
At Beroe x nnamu GmbH, we are committed to empowering procurement teams to make informed, strategic decisions that drive real impact. By integrating AI and game theory, our Software as a Service (SaaS) platform, nnamu.negotiations, delivers a groundbreaking approach to complex, yet autonomous negotiations.    
nnamu.negotiations delivers additional total-value-of-ownership savings efficiently and effectively for buyers with no prior knowledge of game theory required. By combining our world class proprietary AI with an unmatched, unique database of over EUR 400bn actual game theory project data we help clients uncover incremental value in their negotiations, driving outcomes that were previously out of reach.   
 
Beroe x nnamu GmbH is now a Beroe, Inc. group entity. Beroe is a global leader in procurement intelligence. Beroe has been on procurement’s leading edge since the company’s founding in 2006, bringing a world of insights forward. The unique combination of Beroe’s expertise, AI tools, and vast amounts of reliable data enable organizations to make smarter, faster, better procurement decisions. Not tomorrow, not today, but now. Selected by ProcureTech as one of the “most pioneering Analytics, Data and Intelligence solutions in 2024”, Beroe helps thousands of organizations sift through the data noise, mitigate risk, face fewer surprises, and ultimately gain a competitive edge.  
With nnamu’s cutting-edge AI and Beroe’s trusted market intelligence, we are unlocking game-changing possibilities for procurement teams worldwide  
The Challenge We are Solving   
Despite the proven potential of game theory to enhance negotiation outcomes significantly – potentially unlocking an incremental USD 1 Trillion of value – its application in business negotiations remains rare, inconsistent, and hard to scale. This gap presents a vast opportunity but also a challenge that many companies have yet to overcome. Beroe x nnamu GmbH is pioneering the use of AI-powered game theory to make complex negotiation strategies accessible, scalable, and incredibly effective for organizatio
ns worldwide.
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