Senior Back-end Developer Ruby on Rails
4 tygodni temu
We’re looking for a Senior Back-end Developer to design and implement reliable, scalable, high-performance systems and collaborate closely with our engineering teams to deliver robust solutions that drive real impact.
At the heart of what we do is a simple mission: to deliver an asymmetric advantage to our AdTech Сustomers through deep expertise, simplicity, and exceptional service. We challenge ourselves to grow – as technologists, professionals, and teammates who support one another every step of the way.
Our culture is built on dedication, trust, and continuous improvement. We celebrate success together, learn from our failures, and take pride in delivering outstanding results for our clients.
If this sounds like the kind of environment where you’d thrive – join us and help build what’s next.
CUSTOMER
Our Customer provides a novel approach to office meals. Through their platform, customers get automated and organized lunches, serving individual and customizable meals to offices from restaurants. They offer their customers a competitive advantage through their extensive industry knowledge, straightforward process, and a high level of service.
The Customer is extremely open to the team’s professional opinion, so you will have a chance to initiate changes and improve the existing solution.
Requirements
Experience with Ruby on Rails (Back-end)
5+ years of solid software engineering experience
Experience designing and implementing scalable, cloud-based architectures for production-grade Back-end (preferably, have experience with AWS, EC2 load balancing, auto-scaling, CloudWatch, and Aurora)
Experience with database engineering, including SQL/GraphQL with million-size relational records (preferably, the ability to write and optimize PostgreSQL and GraphQL)
Ability to design relational schemas appropriate for given use cases
In-depth understanding of the fundamentals of web technologies, data structures, and algorithms
Upper-Intermediate level of English
Will be a plus:
Strong development skills in languages such as JavaScript, Ruby, and Python, preferably with a solid background in modern web stacks)
Experience operating relational databases at scale
Personal Profile
Great communication skills, including written and verbal communication
Strong time management and prioritization skills, with the ability to work independently
Demonstrated sense of ownership and accountability in delivering high-quality results
Responsibilities
Design and implement solid, scalable, and flexible Back-end systems
Collaborate with Front-end engineers and QAs to deliver new features together with team members on the client side
Maintain a healthy Back-end services and a high level of quality
Design and implement unit tests and highly maintainable code
Generate great new ideas for features and better ways to implement existing ones
Take an active part in team meetings and ceremonies
-
Senior Ruby on Rails Developer
4 tygodni temu
Warszawa, mazowieckie, Polska Bytamic Solutions Pełny etat 18 złBytamic is an international IT services and Consulting company with its headquarters in Vienna, Austria and subsidiary companies in Warsaw and Poznan. We work with multinational companies and we drive digital transformation for our clients. We are truly agile, work with the latest technologies and our engineers and scrum-teams deliver state-of-the-art...
-
Ruby on Rails Engineer
4 tygodni temu
Warszawa, mazowieckie, Polska Housecall Pro Pełny etat 4 zł - 500 złWho are we?Founded in 2013, Housecall Pro helps home service professionals (Pros) streamline every aspect of their business. With easy-to-use tools for scheduling, dispatching, payments, and more, Housecall Pro enables Pros to save time, grow profitably, and provide best-in-class service.Housecall Pro’s brand portfolio includes BuildBook, construction...
-
Senior Back-End Security Developer
4 tygodni temu
Warszawa, mazowieckie, Polska Sigma Software Pełny etatWe’re looking for a Senior Back-end Engineer with a strong background in security to help build a next-generation confidential computing system from the ground up.You’ll design cryptographic infrastructure, develop Back-end services and APIs, and shape the core platform architecture. Working with HSMs, TEEs, and enterprise-grade cryptography, you’ll...
-
AEM Back-end Developer
4 tygodni temu
Warszawa, mazowieckie, mazowieckie, Polska Sii Sp. z o.o. Pełny etatAEM Back-end DeveloperMiejsce pracy: WarszawaTechnologies we useExpectedJava 8+AEM 6.xApache SlingApache FelixApache Jackrabbit OakJavaAbout the projectAEM Back-end Developers wanted! We are looking for a Regular/Senior Java Developer with Adobe Experience Manager knowledge, to join our E-commerce/Digital Experience Platforms Competency Center.We have more...
-
AEM Back-end Developer
1 tydzień temu
Warszawa, mazowieckie, mazowieckie, Polska Sii Sp. z o.o. Pełny etatAEM Back-end DeveloperMiejsce pracy: WarszawaTechnologies we useExpectedAEM 6.xApache SlingApache FelixApache Jackrabbit OakJavaSQLAbout the projectAEM Back-end Developers wanted! We are looking for a Regular/Senior Java Developer with Adobe Experience Manager knowledge, to join our E-commerce/Digital Experience Platforms Competency Center.We have more than...
-
Warszawa, mazowieckie, Polska Sigma Software Pełny etatWe are looking for a Middle/Senior Front-end Developer to join our team and help us develop the best solutions for our clients.Working as a Front-end Developer on this project requires a mindset where we plan, build, and deliver together as a team. As a group, we take shared responsibility for delivery, including speed, efficiency, and quality. We also take...
-
Senior Java Developer
3 tygodni temu
Warszawa, mazowieckie, mazowieckie, Polska Webellian Sp. z o.o. Pełny etatSenior Java DeveloperMiejsce pracy: WarszawaTechnologies we useOperating systemWindowsAbout the projectThe Senior Back-End Developer will design, develop, and maintain scalable back-end systems using Java Spring Boot. The role focuses on building secure REST APIs, implementing data persistence with Hibernate/MySQL, and ensuring robust CI/CD processes. The...
-
Senior Angular Developer
3 tygodni temu
Warszawa, mazowieckie, mazowieckie, Polska Webellian Sp. z o.o. Pełny etatSenior Angular DeveloperMiejsce pracy: WarszawaTechnologies we useOperating systemWindowsAbout the projectThe Senior Front-End Developer will design, develop, and maintain high-quality web applications using Angular/AngularJS. The role focuses on implementing responsive user interfaces, integrating with back-end services, and ensuring maintainable,...
-
Senior Software Engineer RoR
4 tygodni temu
Warszawa, mazowieckie, Polska Housecall Pro Pełny etat 6 zł - 500 złWho are we?Founded in 2013, Housecall Pro helps home service professionals (Pros) streamline every aspect of their business. With easy-to-use tools for scheduling, dispatching, payments, and more, Housecall Pro enables Pros to save time, grow profitably, and provide best-in-class service.Housecall Pro’s brand portfolio includes BuildBook, construction...
-
Senior Front-End Developer
4 tygodni temu
Warszawa, mazowieckie, Polska Efigence S.A. Pełny etatHi, nice you are here! Embrace change with Efigence! We are a technology company established in 1995, where people are a priority. A team of over 150 technology enthusiasts allowed us to implement hundreds of projects in the banking, insurance, e-commerce and other sectors. Many of them have gained recognition by winning awards in prestigious...