Senior Node.js Back-End Engineer

Posted 2 Days Ago
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Bucharest, București, ROU
In-Office
Senior level
Information Technology
The Role
Design, develop, and maintain secure, scalable backend APIs and cloud services. Manage AWS infrastructure, Terraform provisioning, containerized deployments, observability, CI/CD, security, and cloud cost optimization. Troubleshoot complex issues, collaborate with frontend, DevOps, and cloud teams, and mentor engineers. Use AI development tools to improve coding, reviews, and productivity.
Summary Generated by Built In
About us

We're an independent European digital product studio with a strong track record of delivering market-defining strategies and products for enterprises and governments. With about 200 talented people across three countries, premium AI capabilities and a diverse portfolio of international clients, we define, design and ship high-quality digital products, strategies and software. From global cloud-based platforms and large-scale apps to medical devices, banking software and augmented reality experiences. In a nutshell: if it lives and breathes digital, it’s what we do best.

Become a part of our team

At In The Pocket, you join a multidisciplinary team of designers, engineers, strategists and data specialists who care about the work as much as the people they work with. We work in small, autonomous teams that stay close to our clients and their users, and we give everyone the space to take ownership, speak up and grow. You’ll learn from colleagues across our studios, ship products that reach thousands or even millions of people and help shape what digital can do for leading organisations in Europe.

What you’ll do 

In this role, you will be responsible for designing, developing, and maintaining robust backend services that power our applications. You will work closely with frontend engineers, DevOps professionals, and cloud architects to ensure a seamless and efficient development process. You should also be a strong technical mentor, supporting and guiding colleagues to help the team grow.

  • Design, develop, and implement backend APIs using secure and efficient programming languages and frameworks.
  • Migrate and manage cloud infrastructure on platforms like AWS.
  • Automate backend deployments and infrastructure provisioning using infrastructure-as-code (IaC) tools like Terraform.
  • Optimize cloud resource utilization for cost-effectiveness and scalability.
  • Implement robust security measures to protect applications and data in the cloud (OWASP).
  • Troubleshoot and debug complex backend issues.
  • Stay up-to-date with the latest trends and innovations in cloud technologies.
  • Use AI tools (e.g., Claude, Codex, etc) in your development workflow to enhance code writing, support code reviews, and improve productivity.
  • Act as a mentor for colleagues, providing guidance, support, and knowledge sharing to help the team grow.
Who you are 
  • Excellent knowledge of TypeScript (5+ years of experience).
  • Proven experience working with cloud platforms like AWS.
  • Experience with containerization technologies such as Docker and Kubernetes.
  • Good knowledge of authentication technologies, including OAuth, OpenID Connect, and SAML.
  • Strong knowledge of database technologies, both relational and NoSQL (MySQL, PostgreSQL, MongoDB, Redis).
  • Good understanding of messaging and broker systems (Pub/Sub, RabbitMQ, Kafka, SNS, SQS).
  • Solid understanding of security concepts and best practices (OWASP).
  • Familiarity with DevOps practices, including infrastructure-as-code, observability, and CI/CD.
  • Good understanding of quality engineering practices.
  • Excellent problem-solving and debugging skills.
  • Strong communication and collaboration skills.
  • Passion for building high-quality, scalable, and secure software.
  • Use AI tools (e.g., Claude, Codex, etc) to support your daily development work and improve code quality.
  • Knowledge of Domain-Driven Design (DDD) is an asset.
  • You communicate fluently in English.
What we offer  

Joining In The Pocket means becoming part of a team that shapes the future of our clients’ businesses across Europe. Here’s what you can look forward to:

  • You’ll start with a permanent contract in a role that comes with responsibility and the opportunity to make a real impact from day one.
  • We offer a competitive salary that reflects your experience and the value you bring.
  • Our benefits package has you covered with medical insurance, meal vouchers, and more.
  • Life at In The Pocket isn’t just about work, we host team events throughout the year to celebrate, connect, and have fun together.
  • Learning never stops here, so after six months, you’ll receive a dedicated learning and development budget to keep growing your skills and exploring new horizons.

 

Skills Required

  • 5+ years of TypeScript experience
  • Experience with cloud platforms such as AWS
  • Experience with Docker and Kubernetes
  • Knowledge of OAuth, OpenID Connect, and SAML
  • Knowledge of relational and NoSQL databases, including MySQL, PostgreSQL, MongoDB, and Redis
  • Understanding of messaging and broker systems, including Pub/Sub, RabbitMQ, Kafka, SNS, and SQS
  • Understanding of cloud security concepts and OWASP best practices
  • Familiarity with DevOps, infrastructure-as-code, observability, and CI/CD
  • Understanding of quality engineering practices
  • Problem-solving and debugging skills
  • Communication and collaboration skills
  • Fluent English communication
  • Knowledge of Domain-Driven Design
  • Experience using AI tools such as Claude or Codex in development workflows
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The Company
HQ: Gent
208 Employees
Year Founded: 2010

What We Do

In The Pocket is a place for passionate and skilled people to create the best digital products. We have a laserfocus on making users happy and businesses grow. In The Pocket represents a new generation of digital services. We are a complete delivery organisation that designs and builds digital products and platforms from end to end. We support your digital roadmap in the areas of ML, Strategy, Architecture, Software Engineering and UX. With a talented in-house team of over 200 strategists, designers and engineers, we possess every skill to help you ensure a bright digital future. Some of our clients include TP Vision, Multipharma, ENGIE, SD Worx, itsme, Payconiq by Bancontact, Melexis, Atlas Copco, Pro League, Barco, KBC, Colruyt, Argenta, Proximus Doktr, and BMW.

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