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Brickken

Backend Developer

Brickken
Spain · Full-time · Entry

At Brickken, we’re on a mission to revolutionize asset management through tokenization. Our cutting-edge decentralized platform makes it simple for businesses to digitize real-world assets, streamline investments, and manage their portfolios—no middlemen, no inefficiencies, just pure innovation. Imagine empowering companies to launch funding rounds effortlessly while giving investors direct access to emerging opportunities. That’s the Brickken difference.


We’re a fast-growing fintech startup founded in 2020, blending blockchain innovation with a dynamic team of 30+ talented Brickkeneers from over 10 nationalities. As our Outbound Sales Representative, you’ll be the driving force behind our sales strategy, connecting with key financial players, attending strategic events, and building a powerful client network. This is your chance to join a company where your ideas matter and your work creates real impact.


We are looking for a Backend Developer to join our team and contribute to the development of our next-generation project repository. If you are passionate about scalable architectures, cloud services, and high-performance backend solutions, this is an opportunity to work on cutting-edge technology in the blockchain and fintech space.


Key responsibilities


Backend Development

Design, develop, and maintain backend services and APIs using Node.js, TypeScript, and serverless frameworks.

Integration with AWS Services

Implement integrations with AWS services such as SES, SNS, SQS, API Gateway, and Lambda functions.

Database Management

Manage and optimize PostgreSQL databases using Sequelize ORM and Sequelize TypeScript.

Performance Optimization

Identify and resolve performance bottlenecks, implement caching mechanisms, and ensure optimal response times for backend services.

Serverless Deployment

Deploy and manage serverless applications using Serverless Framework and esbuild for efficient bundling.

DevOps & Tooling

Work with CI/CD pipelines, automate infrastructure provisioning, and ensure effective monitoring and logging of backend systems.

Testing & Quality Assurance

Write unit tests, integration tests, and participate in code reviews to maintain high code quality and reliability.

Documentation & Collaboration

Contribute to technical documentation, mentor junior developers, and collaborate closely with frontend and cross-functional teams.


Requirements


• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

5+ years of experience as a Backend Developer.

• Strong knowledge of Node.js, TypeScript, and modern backend technologies.

• Experience with AWS services such as SES, SNS, DynamoDB, and Lambda functions.

• Proficiency in PostgreSQL and Sequelize ORM with TypeScript.

• Familiarity with serverless architectures and deployments using Serverless Framework.

• Strong understanding of design patterns, SOLID principles, and backend development best practices.

• Excellent problem-solving skills and ability to work in a fast-paced, collaborative environment.

Intermediate English level.


Nice to Have


AWS certification (e.g., AWS Certified Developer - Associate).

• Experience in building and maintaining scalable and distributed systems.

• Knowledge of event-driven architectures using AWS SNS, SQS, and event sourcing patterns.

• Contributions to open-source projects or active participation in developer communities.


If you are looking for a challenge in backend development, working with scalable, high-performance architectures, and cloud-native technologies, we would like to hear from you.


Why join Brickken?


• Be part of a fintech revolution – We’re reshaping finance through tokenization, making assets more accessible and liquid.

• Global impact – Your work will extend beyond borders, influencing the fintech and blockchain landscape worldwide.

• Growth & learning – We foster a culture of continuous learning and personal development.

• Team Spirit – Collaboration is at our core; we regularly organize team-building activities and internal workshops.

• Startup vibes & innovation – Work with an international, dynamic team (10+ nationalities) in a fast-growing industry.

Ready to be part of something extraordinary? Apply now and help us shape the future of finance—brick by brick.


📩 Apply Today!

Key Skills

Ranked by relevance

aws blockchain serverless dynamodb cloud sqs
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Posted
Feb 01, 2025
Type
Full-time
Level
Entry
Location
Barcelona
Company
Brickken

Industries

Fundraising

Categories

Engineering Information Technology

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