We are looking for a Senior Backend software engineer to join our engineering team. Our main office is in Paris and we are a very distributed team with people working remotely in Europe and the Americas.
Leveraging your experience in building and maintaining complex business applications, you will drive the development of our critical APIs using Node, Feathers, NestJS, PostgreSQL, DynamoDB, etc.
We are looking for someone who is eager to:
- Collaborate with other developers to ship new features
- Be in charge of the overall architecture of web applications
- Ensure that we have the right tests and structure in place to make sure that we can move quickly without breaking everything
- Share their knowledge of backend development principles and best practices with the team
- Keep learning new technologies and be on the look-out for new ideas that we should try out
What we are looking for:
- A JavaScript expert
- Experience with complex backend applications in Node and modern JavaScript tooling and libraries (Feathers, NestJS)
- Experience with complex microservices backend architectures with queues, event streams, etc.
- Experience with AWS or other cloud providers
- Quality-oriented mindset: testing, code reviews, code quality, etc.
- Awareness of performance considerations
- A passion for simple, maintainable and readable code that balances pragmatism and performance
How do we build our products?
- For the frontend, we have adopted the micro-frontends architecture with single-spa for building our user interface. All SPAs we build get plugged into our shell. We also build a multitude of SDKs from Web and Mobile (iOS, Android) to CTV and Unity.
- For the backend, we have multiple services (APIs and Lambdas) written in Javascript and Typescript. We leverage PostgreSQL and DynamoDB as our main databases and manage our infrastructure with Terraform and Cloudformation. The principles of infrastructure-as-code are very important to us and we commit everything including KMS-encrypted secrets. Our most important services have 100% code coverage and we deploy our pipeline runners on GCP on a Kubernetes cluster.
- We process hundreds of millions of requests per day and are building our analytics platform on Kinesis Firehose, AWS S3, EMR jobs, and TimescaleDB to provide performant analytics for our clients. Internally we use Athena and Redash.
- We rely on a multitude of AWS/GCP services for building, deploying, serving, monitoring, and scaling our services. We use Gitlab for our code and CI/CD. To manage our issues we use Jira.
Our vision as a team:
- We are building a product and engineering team that is strongly committed to a high level of quality in our products and code. We believe that automation is the key to consistently achieving that along with velocity of development, joy and pride in what we deliver.
- At Didomi we are organized into feature teams and work with 2-week sprints. We do our best to avoid pointless meetings. The majority of the engineering team works remotely from all over the world, the only hard requirement is a 4-hour overlap with CET working hours.
- We rely on automated tests of all sorts (unit, integration, linters, you-name-it!) and continuous integration/delivery to build flexible applications that are able to evolve without breaking. We trust that it enables engineers to focus on the quality of their code and iterate fast without fears of breaking stuff. And when we break stuff, we fix it and learn from our mistakes.
Hiring process:
- An intro call with HR (15 minutes)
- A technical interview with the Engineering Manager (1h)
- A code challenge to build a simple API. This is used as the basis of discussion for the next step. You can find our challenge on https://github.com/didomi/challenges/tree/master/backend.
- A 1h30 code review session and architecture discussion with 2-3 Didomi engineers
- A set of 1:1 30-minute calls with the CTO, engineers, and a product manager
For the code review session, we may require some live coding exercises. For the architecture discussion, we will ask you to sketch an architecture (think of APIs, clients, queues, jobs, etc) and discuss options and trade-offs as we would on a normal day at Didomi.
We respect your time and existing commitments and will work with you to make sure the interview doesn’t take up too much of your time.
Applicants who contact employees directly regarding their application will not receive a response. Please submit your application through the designated application form.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
The information collected from your application is subject to data processing on the basis of the performance of pre-contractual measures. The processing is intended for the management of applications for positions at Didomi. The fields marked with an asterisk are mandatory. Failure to complete them will result in your application being impossible to process. The recipients of the data are Didomi’s Human Resources team and other people in the company who are involved in the recruitment process, as well as their service providers. The data provided will be kept on our records for a period of two years, beginning from the last contact Didomi has with the candidate. In accordance with the applicable legislation you have the right to access, rectification, deletion, opposition. In case of disputes, you have the right to refer to the Commission National de l'Informatique et des Libertés. You can exercise your rights by contacting the data controller at the following address
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