Senior Fullstack Developer / Engineer - Python, React, TypeScript (NLP + ESG) - main residence:[...]

score4more; Berlin; Hybrid; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

A sustainability-focused tech startup in Berlin is seeking a Senior Fullstack Developer to shape their product and processes. You will work with React and Python, develop scalable systems, and integrate AI/ML features. Ideal candidates will have strong full-stack experience and be motivated to impact sustainability in the tech world. This position offers hybrid working options and a flexible environment.

Leistungen

Hybrid working options

Personal development opportunities

Benefits on top of salary

Sustainable shopping card

Qualifikationen

• Experience with JavaScript/TypeScript/React for front-end and Python for back-end development.
• Hands-on experience with Data Analytics, Machine Learning, NLP, and LLMs.
• Strong understanding of frameworks, libraries, and scalable architectures.

Aufgaben

• Build and optimize the front-end and back-end, ensuring seamless user experience.
• Implement CI/CD pipelines and automate infrastructure setup.
• Develop APIs and create scalable event-driven systems.

Kenntnisse

Full-Stack Expertise (6+ years)

Data & AI/ML (3+ years)

Agile Methodologies

Modern Web Development

Containerization & DevOps

Test-Driven Development

Continuous Learning & Adaptability

Strong Communication & Teamwork

Leadership Potential

Start-Up Experience

Excellent English proficiency

Tools

React

TypeScript

Python

AWS Lambda

Docker

Kubernetes

Jobbeschreibung

Senior Fullstack Developer / Engineer - Python, React, TypeScript (NLP + ESG) - main residence: Berlin/Brandenburg!

score4more was founded in 2022 to boost sustainability in companies and entire industries. We are building a digital platform for change agents and companies.

We combine three pillars on this platform:

• DATA: We summarise the sustainability performance of companies in a profile and make it comparable across industries.
• KNOWLEDGE TRANSFER: We make sustainable innovations visible. By highlighting solutions, we promote the transfer of knowledge on a global level.
• PEOPLE: We network and support agents of change – heroes who are committed to sustainable transformation in companies and drive it forward as change agents.

As part of a project for the German Sustainability Award and our corporate community, we have already created over 3,200 company profiles and 1,000 sustainability solutions. The score4more platform and community continues to grow every day. We continue to develop as a start-up – in search of the greatest levers for sustainable transformation.

Join our team and help us realise the score4more vision: We are transforming all industries towards a sustainable economy – climate neutral, circular, inclusive and fair with regenerative ecosystems.

For this role your main residency needs to be Berlin/Brandenburg. You can work hybrid/remote but your address needs to be in Berlin/Brandenburg.

THIS IS HOW YOU CREATE IMPACT

At score4more, you contribute with your brainpower and technology skills to:

• Develop the largest global impact platform to shape a sustainable transformation.
• Create new features to make it easy for companies to navigate transformation data, identify suitable sustainable actions and solutions to transform faster.
• Automate our scoring and data analytics to give companies an assessment about their sustainability performance.

OUR TECH-STACK

We are using latest technologies and an AI/ML-ready scalable tech stack:

• React, TypeScript on the frontend
• Cypress & Jest
• Python
• Serverless architecture: AWS Lambda, API Gateway, DynamoDB, Aurora (PostgreSQL), Cognito, S3
• GPT‑3 (initial models)

Tasks

We are looking for a Senior Full-Stack Engineer to shape our early-stage product and development processes. You will be responsible for building our web application front-end and cloud-native backend, incorporating continuous customer feedback, data analysis, and product requirements.

Key Responsibilities

• Software Development: Build and optimize the front-end and back-end, ensuring seamless user experience and scalability.
• DevOps & Automation: Implement CI/CD pipelines, automate infrastructure setup, and enhance deployment processes.
• API & System Design: Develop APIs, create scalable event-driven systems, and integrate third-party services.
• AI/ML Integration: Support embedding data analytics and AI/ML models into the platform.
• Collaboration & Code Quality: Work closely with designers for an intuitive UI, contribute to knowledge sharing, and maintain clean, test-driven code.
• Recruitment & Culture: Participate in hiring, mentor new team members, and foster a strong tech culture.

Requirements

Must-Have Skills:

• Full-Stack Expertise (6+ years): Strong experience in JavaScript/TypeScript/React for front-end and Python for back-end development.
• Data & AI/ML (3+ years): Hands‑on experience with Data Analytics, Machine Learning, NLP, and LLMs.
• Agile Methodologies: Proficient in Scrum/Kanban for efficient project management.
• Modern Web Development: Strong understanding of frameworks, libraries, and scalable architectures.
• Containerization & DevOps: Familiarity with Docker, Kubernetes, and infrastructure automation.
• Test-Driven Development: Committed to writing clean, structured, and well-tested code.
• Continuous Learning & Adaptability: Keeps up with industry trends, contributes to open-source, and embraces change.
• Strong Communication & Teamwork: Works effectively in remote-first, distributed teams with a collaborative mindset.
• Leadership Potential: Ability to grow into a technical lead role, fostering team development.
• Start‑Up Experience: Experience in early-stage environments, building structures and strategies from scratch.
• Language Skills: Excellent English proficiency.

Nice-to-Have Skills:

• DevOps & CI/CD: Knowledge of Jenkins, GitLab CI, Travis CI for automation.
• API & System Design: Experience with REST, GraphQL, and event-driven architectures.
• Cloud & Serverless: Backend development in AWS serverless environments.
• Community Engagement: Passion for publishing, events, and sharing knowledge.
• Impact-Oriented: Focused on delivering meaningful results in a fast-paced environment.

This role is perfect for a highly skilled, adaptable developer who thrives in dynamic teams and wants to make an impact in a growing startup. We encourage you to apply even if you do not meet all the requirements and have less experience than described. It is important to us that you are motivated, a quick learner and that you can work autonomously while familiarizing yourself with processes. We value a hands‑on mentality, encourage continuous learning and help each other grow as a team every day.

Benefits

Flexibility in terms of working hours and location:

• Hybrid working: from home, our offices in Berlin and Potsdam, or in other parts of Europe. We make sure that you are well equipped wherever you are.
• Home office: Equipment as required.

Personal development:

• With the help of peer reviews, we design your personal learning journey with you. If you want to attend a conference or training, go for it. Share the knowledge you've learned with us.
• Cultural events: Retreats, fun events, summer parties and hangouts.

Benefits on top of your salary:

• Gut Card – We charge you €50 a month on a shopping card and you can use it to shop at sustainable retailers.
• Contribution to a pension scheme – if you don't already have one, we'll be happy to suggest one for you.
• You get virtual shares in score4more that increase in value every year – another way we help you become part of the company and provide for your future.

Apply now

Send us your application documents (CV and motivation letter) via the application form. Please indicate your availability (start date and hours) in your application. Please refrain from submitting application photos and information on date of birth and marital status.

Seniority Level

• Associate

Employment Type

• Full-time

Job Function

• Information Technology

Industries

• Information Services