Senior Software Backend Engineer



Software Engineering
Warsaw, Poland · Warszawa, Poland
Posted on Thursday, December 21, 2023

Fairmarkit is the intelligent sourcing platform that empowers organizations to more efficiently purchase the goods and services they need. By equipping procurement and supply-chain teams with automation and data, Fairmarkit promotes competitive bidding while reducing manual work within existing processes. Fairmarkit has been recognized with awards by organizations such as Gartner and IDC, and is backed by strategic investors like GGV Capital, Insight Partners, 1984.VC, and Newfund.

Fairmarkit is looking for a skilled Python Backend Senior Software Engineer to join Fairmarkit and strengthen our growing engineering team in Poland. Experience in leading result oriented teams would be a benefit.

Technologies used on the team:

  • Python 3.9, 3.11
  • Django, DRF, FastAPI
  • PostgreSQL, Redis, RabbitMQ, Elasticsearch, Kafka
  • AWS: EKS, Security Groups, ALBs, RDS, ElastiCache, ElasticSearch, EC2, S3, SES, SQS
  • Docker & Docker-compose
  • Kubernetes, Vault
  • Nginx
  • Celery
  • Jira, GitLab, Sentry, Grafana, Loki, Mimir, Tempo


  • Full cycle of designing & implementing cloud based solution;
  • Coordinating & participating in solution implementation, performance, stability, etc.;
  • Participate in the Engineering strategy definition and execution;
  • Growing technical culture & skills in the team;
  • Determine and identify solution specifications and/or needs;
  • Analyze the needs of large solutions and breaking them down into smaller manageable components;
  • Communicate technical solution requirements to developers. Explain system structure to them and provide assistance throughout the assembly process;
  • Choose suitable software, hardware and suggest integration methods;
  • Help resolve complex technical problems as and when they arise;
  • Ensure that systems satisfy quality standards and procedures. Carry out testing procedures to ensure systems are running smoothly;
  • Create and maintain technical documentation


  • Proven ability to practically apply architecture standards and patterns to accelerate and enable the delivery of technology solutions to business needs. Proficiency in DDD and CQRS;
  • Strong Python skills;
  • At least 3 years of technical leadership experience with defining, designing, developing, and implementing complex integration business solution;
  • Demonstrated knowledge in the use of microservices in reducing development complexity;
  • Strong analytical and problem-solving skills;
  • Deep understanding of fundamental concepts of SQL and NoSQL databases;
  • Practical experience with messaging services (Kafka, RabbitMQ, etc.), understanding how to choose & use them properly;
  • Understanding networking and security concepts of at least one major cloud;
  • Strong knowledge and hands on experience with Kubernetes;
  • Excellent communication skills, ability to present ideas, and concepts in a clear and concise manner. Excellent English skills.
  • Practical experience in designing or implementing integration solutions;

Nice to have:

  • Practical experience in designing or implementing data processing solutions;
  • Familiarity with data processing frameworks (Spark, Flink, Storm, etc.);

Advantages of working with us:

  • Flexible working hours
  • Highest level of development and pure DevOps culture - top technology stack
  • Skilled and highly motivated teammates, passionate about technologies
  • Fast decision making process in a company and effective interaction between teams and departments
  • Possibility to improve the development process and bring your ideas, knowledge sharing between colleagues and teams
  • Latest MacOs work equipment (macbook)
  • 100% salary sick leaves covering, 20 days of paid vacation
  • Referral program: we appreciate your recommendations and reward every successful hire
  • Professional trainings & courses, attendance of conferences & meetups are paid by Fairmarkit
  • Cute office with a cozy workplace, drinks and snacks


Headquartered in Boston, and backed by a $35.6M Series C co-led by OMERS, Highland, GGV Capital, Insight Partners, and Service now. We are looking for exceptional candidates who want to help grow our company into a global enterprise and make their mark on the B2B tech industry. Come soar to new heights with us!
Fairmarkit is an equal opportunity employer, and selects individuals best matched for the job based upon job-related qualifications regardless of race, religion, color, creed, sex, sexual orientation, age, ancestry, national origin, gender identity, genetic information, disability, pregnancy, veteran or military status or any other status or characteristic protected by law.