We are looking for a Backend Developer, to join our team in Berlin to work on a (Play Framework based) web application server and future backend design / implementation to manage and monitor remotely deployed IoT sensors and network devices.

Responsibilities:

• Write well designed, efficient code using best software development practices.

• Ensure the delivery of reliable and secure software with a strong focus on continuous testing and adherence to web security standards.

• Gather and refine specifications and requirements based on technical needs.

• Create and maintain technical documentation.

• Take ownership of the backend services in terms of new features, maintenance, and performance.

• Stay plugged into emerging technologies/industry trends and apply them into operations and activities

• Constant collaboration and communication with other developers / colleagues to ensure delivery of expected milestones.

Required skills, knowledge and experience:

• Expertise and hands on experience with web application server development, in particular software development in Scala / Java, SQl Db Integration, Authentication / Authorization, API Specification, JSON Encoding / Decoding, etc.

• Familiarity with the Play Framework or similar (Spring, Wildfly, etc).

• The preferred language of choice is Scala, but experience in Java with a curiosity and willingness to pick up on Scala would also be considered.

• Strong focus on testing with code coverage via unit and integration tests (BDD)

• Good understanding of how web application servers and other backend services  work including security, api, database management and best development practices.

• Ability to work and thrive in a fast-paced agile environment, learn rapidly and master diverse backend technologies and techniques.

• Ability to produce well-written technical documentation.

• Ability to communicate technical concepts and understand technical requirements.

Nice to have:

• Experience with other  programming languages (Python, Go).

• Familiarity with Docker containerization and orchestration (Kubernetes).

• Basic knowledge of cloud provisioning (AWS, Terraform).

Perks:

• Contribute to protecting the world’s forests and mitigate effects of climate change.

• Influence the design and development of our IoT device management platform.

• Opportunity to work in a small, agile and experienced team where you're constantly challenged to learn and set the bar higher.

• Competitive compensation.

We are looking for a QA and Support Engineer to join our team in Berlin to take responsibility for our product quality and support customers with deployments of our products.

Responsibilities:

• Establish standard test procedures and perform manual testing of our products  (devices, web platform) during various stages of the development cycle.

• Create automated tests to identify software and hardware problems.

• Analyze bugs and errors found during tests.

• Document results of tests for the software and hardware development teams.

• Recommend improvements to enhance user experience and product quality and performance.

• Motivate the development process for efficiency and performance.

• Work with the software and hardware developers to enhance and improve our products.

• Handle support requests by customers and resellers regarding functionality, installation, configuration and performance of our products.

Required skills, knowledge and experience:

• Extensive experience in software and hardware testing.

• High proficiency in computer technology and programming languages.

• Strong knowledge of Linux.

• Good understanding of Python, SQL, C and XML.

• Exceptional attention to detail.

• Excellent analytical and problem-solving skills.

• Good oral and written communication skills.

• Great team player and able to work efficiently with minimal supervision.

Perks:

• Contribute to protecting the world’s forests and mitigate effects of climate change.

• Opportunity to work in a small, agile and experienced team where you're constantly challenged to learn and set the bar higher.

• Competitive compensation.

We are looking for a Technical Presales Engineer, to join our team in Berlin to take responsibility for our technical sales process and support the sales team.

Responsibilities:

• Working on deals assigned to the sales team to ensure a deal’s “technical close”.

• Presentation of Dryad’s products and services to potential customers and reseller partners in online and offline meetings and on trade-shows

• Providing the technical knowledge back-up for the sales team in customer interactions.

• Coordinating with the technical team with regards to customization and integration requirements.

• Answering RFP/RFQs and technical questions of potential customers in close collaboration with our international reseller partners.

Required skills, knowledge and experience:

• Four year college degree from an accredited institution

• Minimum three years of sales or sales engineering experience in a business-to-business, strategic customer segment or

• A record of achievement and technical solution expertise in a comparable technical pre-sales role.

• Technical background (software or hardware development experience).

• Good understanding of IoT, cloud computing, embedded software and electronics.

• Excellent communications and presentation skills.

• Business- and technical-savvy English.

• PC proficiency.

Perks:

• Contribute to protecting the world’s forests and mitigate effects of climate change.

• Opportunity to work in a small, agile and experienced team where you're constantly challenged to learn and set the bar higher.

• Competitive compensation.

We are looking for an Embedded Software Developer, to join our team in Berlin to work on development of ultra low power LoRa Sensors with cutting edge sensor technology for early fire detection.

Responsibilities:

• Development of ultra low power LoraWAN sensor node software for arm microcontrollers.

• Experiment and optimize cutting edge complex sensor technology, optimize power consumption vs. sensing accuracy.

• Apply (embedded) machine learning.

• Experiment with sensor deployments on-site, also in forests.

Required skills, knowledge and experience:

• At least Msc. in Computer Science or relevant area.

• Expert knowledge of C programming.

• Good knowledge of LoraWAN, digital filter, SPI, I2C.

• Good knowledge of C++ programming language preferably C++ 11/14.

• Software design skills, with understanding of good software engineering principles; you must be able to produce clear, readable, modular and maintainable code.

• You use a Linux platform for your development work.

• Good understanding of some scripting languages (Python, Bash, etc.).

• Experience in using the Git version control system.

• Experience in writing Unit tests.

• Good understanding of how the embedded hardware works, you can use the oscilloscope to find a bug.

• Active knowledge of English language.

• Self-initiative, thoroughness and responsibility.

• Capability of working also independently.

Perks:

• Contribute to protecting the world’s forests and mitigate effects of climate change.

• Influence the design and development of our LoRaWAN solar-powered sensors.

• Opportunity to work in a small, experienced team where you're constantly challenged to learn and set the bar higher.

• Competitive compensation.

We are looking for an Embedded Software Engineer, to join our team in Berlin to work on development of our network infrastructure (Mesh LoRaWAN Gateways).

Responsibility:

• Development of mesh LoraWAN gateways; optimize LoraWAN sensor node SW.

• Development of embedded systems with microprocessors, ARM controllers, and Linux based embedded computers.

• Active collaboration with other team members.

• Preparation of technical documentation.

Required skills, knowledge and experience:

• Msc. or equivalent.

• Expert knowledge in networks (e.g. Degree Program in Communication Networks).

• Expert knowledge of C programming.

• Expert knowledge of LoraWAN.

• Good knowledge of C++ programming language preferably C++ 11/14.

• Software design skills, with understanding of good software engineering principles.

• You use a Linux platform for your development work.

• Good understanding of some scripting languages (Python, Bash, etc.).

• Experience in using Git version control system.

• Experience in writing Unit tests.

• Good understanding of embedded hardware, you can use an oscilloscope.

• Active knowledge of English language.

• Self-initiative, thoroughness and responsibility.

• Capability of working also independently.

Perks:

• Contribute to protecting the world’s forests and mitigate effects of climate change.

• Influence the design and development of cutting-edge LoRaWAN mesh gateways.

• Opportunity to work in a small, agile and experienced team where you're constantly challenged to learn and set the bar higher.

• Competitive compensation.