Spain Job Openings

Datamaran

Back-End Senior Engineer (Python)

FULL TIME

November 7, 2024

Job Title: Senior Backend Engineer
Department: Product and Technology
Reporting to: Staff Engineer
Location: Hybrid. Valencia, Spain

Join Datamaran: The Pioneers of Smart ESG Solutions.
At Datamaran, we are revolutionising how the world’s most influential companies navigate their Environmental, Social, and Governance (ESG) responsibilities. Our AI-powered Saa S platform empowers organizations to integrate ESG into their core strategies, driving meaningful impact at scale. Trusted by global industry leaders like Bridgestone, Dell, Kraft Heinz, and Pepsi Co, and endorsed by leading regulators in Europe and North America, Datamaran is at the cutting edge of ESG technology.

Since 2014, we’ve been on a mission to deliver world-class solutions that enable businesses to align with stakeholder expectations, meet regulatory requirements, and enhance their ESG performance. Our platform helps senior executives make data-driven, evidence-based decisions, simplifying complex ESG challenges with clear, actionable insights. Whether it's ensuring compliance or presenting a compelling ESG narrative to investors and boards, Datamaran is the trusted partner for sustainable businesses.

Our commitment goes beyond technology. We are deeply embedded in the global ESG community, hosting and sponsoring events, partnering with universities and service providers to address the skills gap, and running educational programs that connect forward-thinking leaders. We’ve produced an award-winning documentary series, New Heroes of Sustainable Business, highlighting visionary leaders shaping a more sustainable future to inspire others across industries and regions.

We’re not just building cutting-edge technology and ESG-focused communities but a diverse, global team united by a shared passion for innovation, collaboration, and continuous learning. With over 140 team members across the UK, US, Spain, and the Netherlands, we bring unique perspectives and skills together to solve the ESG challenges of tomorrow, today. At Datamaran, we believe in empowering our people as much as our clients and offer career development and growth opportunities to all.

Following our successful Series C funding round in 2024, we’re entering an exciting phase of growth, expanding across all departments and locations to scale our impact worldwide. If you’re ready to drive change, inspire innovation, and help businesses shape a sustainable future, we’d love for you to join us.

Find out more about Datamaran’s story, people, and culture in this short video: https://youtu.be/Iw Lc KIZLsy Y


As Datamaran enters hyper-growth, our dynamic engineering team is now looking for a seasoned, Senior-Level Back-end Engineer, highly skilled as a Python Developer with a T-shaped background, with expertise in Python’s frameworks, such as Fast API. As we are a company that uses the latest trending AI solutions, an appetite for machine learning (especially LLM like Chat GPT) will be a perfect match.
Responsibilities
  • Design, build, and enhance Datamaran web applications and data processing pipelines
  • Mentor developers on back-end development best practices and industry-standard engineering practices
  • Debug, deploy, and maintain large scale applications, from APIs to process pipelines
  • Consider tradeoffs when designing and implementing features in backend systems
  • Work closely with Frontend developers, Product manager and other roles engineers in the Agile team members to develop and implement new features
  • Stay informed of the latest industry standards and technologies, actively applying these to improve our products
  • Contribute to product discovery phases, bring invaluable insights regarding user-needs and potential solutions
A one thousand feet view of our tech stack:
  • Our web application is built on node.js, javascript and vue.js
  • Our data stores include Elastic Search and Mongod B and are evaluating bringing in SQL based and vector databases
  • Our server side and data pipelines are built in Python and Fast API
  • Everything is hosted on AWS, on EC2 or in lambda functions
  • Our data pipelines are primarily centered around analysing textual data, looking for patterns inside the narrative of long texts (Reports, international regulations, news articles, …)
Requirements
  • A Bachelor’s degree in Computer Science or a related field
  • 5+ years of experience in backend
  • Master Python, including common API frameworks (eg Fast API) and libraries (eg pandas)
  • Some experience working in the frontend area and willingness to participate in frontend work when required
  • Familiarity with AWS environment, as well as unix/linux
  • Good understanding of development best practices, such as SOLID, testing, CI/CD
  • Living within commutable range of Valencia and willing to work from the Datamaran hub regularly (typically at least once per week)
  • We are an English first, global company and so English fluency is essential
Bonus points
    • Experience in Vue.js or similar front-end framework
    • Proven experience with Machine Learning tools in Python (pandas, spacy, langchain, etc)
    • Knowledge of architecture concepts like MVC, CQRS and DDD
    • Experience with relational databases, as well as Mongo DB and/or Elastic Search
    • Airflow (ideally version 2)
    • Data processing pipelines
Note to recruiters:
Thank you for your ongoing interest in Datamaran but there is no need reach out to the Hiring Team, HR, Recruiting.... We receive hundreds of approaches from recruiters but would confirm here that we are all set. We will continue to scale Datamaran successfully through our internal recruiting team and team initiatives. We appreciate your cooperation!
Benefits
A selection of benefits available to our Valencia-based Datamaraneers:

  • A highly competitive salary
  • Flexible hours
  • Hybrid working, with typically circa 3 days with the team in the Valencia hub
  • 11€ per day meal-allowance + food and snacks at the office (and paellas!)
  • Private health
  • Private pension (company doubles your saving)
  • Best equipment: choose between Mac or Linux
  • Frequent training, budget for conferences, OReilly subscription
  • Access to Urban Sports
  • International environment (over 25 nationalities), with 50% of our leaders being women, and almost 50% of our tech team too
  • Working in a climate-tech company, helping corporations to identify ESG risks
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