Overview

Okra is seeking a highly motivated Senior Back End Developer to join the team in Porto. The ideal candidate will have a deep interest in cutting-edge web technologies and a passion for delivering top-quality software.

You will play a critical role in building and improving complex business logic in our backend services and infrastructure. This can range from Rest APIs, message queues, infra-as-code, SQL and NoSQL databases, python ETL, everything being dockerized! You will also work closely with other developers, either building our web applications or hardware products.

To excel in this role, you must be detail-oriented and committed to producing high-quality and high-performance code. As Typescript is our most common language, a love for strongly typed data structures is a must.

The ideal candidate will possess the expertise necessary to help steer the direction of our tech stack, particularly in overcoming difficult scalability challenges, as we continue to expand and grow as a company.

Finally, excellent communication and collaboration skills, particularly in a remote team environment, are essential for success in this role.

Responsibilities

• Working on a product that ultimately provides electricity to those in need around the world.
• Collaborate with cross-functional & remote teams to define, design and ship new features.
• Developing complex business logic in a range of services from IoT Communications, Billing, Data Aggregations, Maintenance Insights, Mesh-grid Design, Appliance Leasing… just to name a few!
• Rest API design and 3rd party integrations.
• Automating complex internal processes.
• Optimising backend infrastructure for scalability.
• Implement security measures to protect sensitive data.
• Writing unit, integration & end-to-end tests
• Peer code reviews & mentoring team members to ensure high-quality code delivery.
• Stay up-to-date with emerging trends in web development technologies.
• Contributing during agile meetings to constantly improve our team & processes.

Skills We’re Looking For*

*You can still apply if you don’t fit all the requirements

Hard skills

• Proven experience with strongly typed languages including experience with Typescript.
• Proven experience with SOLID design principles & OO programming.
• Proven experience with Python.
• Proficient in back-end technologies such as the Node.js ecosystem, SQL & ORMs, Message Queues, Docker & Docker Compose.
• Experience managing cloud infrastructure in AWS (or equivalent).
• Rest API design and 3rd party integrations.

Soft skills

• Developing software using Agile methodologies.
• Excellent communication skills with the ability to work in a remote team.
• Ability to work independently, self-learn and persevere through challenges and roadblocks.
• Open-mindedness, willingness to learn and excitement for solving worldly problems by experimenting, sharing knowledge and letting the best ideas win.

We Also Value These Skills*

*You can still apply if you don’t fit all the requirements

• Experience and interest in front end technologies like React.
• Open source contributions
• A keen interest in IoT, solar technology and social impact

Experience with our specific technologies & frameworks:

• Typescript
• Python with mypy
• Offline first applications using PWAs
• AWS (ECS, EC2, Lambda, RDS)
• AWS CDK
• MQTT & AMQP
• OAuth2
• Gitlab Pipelines

Internal Liaisons:

• Fellow engineers in software, data, firmware, & hardware teams
• Scrum Master
• Product owner
• Internal users across multiple teams

External Liaisons:

• End users such as energy distributors & local maintenance agents
• Integration partners

Application Process: