As a key member of our team, you will work with Cresta product and engineering teams to build and continuously improve the Cresta platform and new product requirements. You will stay closely with customers and their requirements, analyze the technical tradeoffs, and own the customer-facing deliverables.

You will demonstrate engineering best practices in deliverables and daily work, upholding others to the same high standards. You will take technical ownership in a substantial part of the Cresta authentication stack and contribute to building the best-in-class company in addition to building the best-in-class product.

Your responsibilities will include full-stack support for Cresta's 1st-party and 3rd-party authentication systems (frontend and backend), expanding Cresta's BYOID (Bring Your Own Identity) repertoire, securing sign-in (password authentication, multi-factor authentication, etc), and application access.

You will also build customized, streamlined, and frictionless customer-specific auto-login systems, improving and migrating from legacy authentication systems to more modern industry-based, standardized, and secure systems.

We offer Cresta employees a variety of medical, dental, and vision plans, designed to fit you and your family's needs, paid parental leave to support you and your family, monthly Health & Wellness allowance, work from home office stipend to help you succeed in a remote environment, lunch reimbursement for in-office employees, and PTO: 3 weeks in Canada.

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We are looking for a Backend Infrastructure Engineer with strong experience in building and maintaining backend services that power developer infrastructure. While our current systems handle relatively low traffic, the focus is on reliability, testability, observability, and migration readiness.

A key part of this role is to help migrate existing Python-based services to Java, ensuring better alignment with Spotify’s monorepo and future automation strategies.

Responsibilities

• Design, maintain, and evolve backend services supporting our CI infrastructure.
• Improve local development and testing loops to reduce the need for full deployments during validation.
• Drive service migrations (e.g., from Python to Java) and assist in refactoring for scalability and maintainability.
• Implement robust monitoring, logging, and alerting practices for better visibility and debugging.
• Contribute to documentation , especially around service setup, testing, and troubleshooting.
• Collaborate with cross-functional teams to improve developer experience and CI efficiency.
• Help shape our technical roadmap for infrastructure evolution, focusing on automation and resilience.

Requirements

• Strong backend engineering experience with Java and Python.
• Familiar with microservice architecture, Kubernetes, and caching strategies.
• Experienced in designing maintainable, testable, and observable systems.
• Skilled at writing clear and thorough documentation for services and processes.
• Comfortable working on CI/CD infrastructure, including tools like gRPC/Protobuf, Bazel, and Git.
• Strong understanding of service migrations, from design to execution.
• Collaborative and proactive; able to work autonomously while aligning with broader team goals.
• Bonus: Experience working with Spotify’s internal client CI systems or Windows environments.

Where You'll Be

• We offer you the flexibility to work where you work best! For this role, you can be within the EMEA region as long as we have a work location (excluding France due to on-call restrictions).
• This team operates within the Central European and GMT time zone for collaboration.

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Our platform powers online features for EA’s games, serving millions of users each day. We live, breathe, and dream about how we can make every player’s multiplayer experience memorable. We develop services and SDKs in collaboration with EA’s game studios for matchmaking, stats and leaderboards, achievements, game replays, VOIP, and game networking.

As an Online Backend Software Engineer in Gameplay Services, your focus will be on designing and implementing scalable, distributed backend systems that power our matchmaking, integrated in EA’s biggest titles and enjoyed by millions of players worldwide. You will collaborate closely with your team and partner studios to maintain, enhance, and extend our core services.

Responsibilities:

• Design brand new services covering all aspects from storage to application logic to management console
• Enhance and add features to existing systems
• Research and select new best-of-breed technologies to meet challenging requirements
• Communicate with engineers from across the company to deliver the next generation of online features for both established and not-yet-released games
• Aim to optimize performance and scalability of server systems
• Be a part of the full product cycle for our products, from design and testing to deployment and supporting our LIVE environments and our game team customers
• Maintain a suite of automated tests that validate the correctness of backend services
• Build and maintain a build system
• Advocate for best practices within the engineering team
• Work with product managers to improve new features to support EA’s business

Qualifications:

• Bachelor/Master's degree in Computer Science, Computer Engineering or related field
• 2+ years professional programming experience with Go/C#/C++
• Experience with cloud computing products such as AWS EC2, ElastiCache, and ELB
• Experience with technologies such as Docker, Kubernetes, and Terraform
• Experience with relational or NoSQL database
• Experience with all phases of product development lifecycle, including requirement definition, development, test, and product release
• Adept at solving complex technical problems
• Strong sense of collaboration
• Excellent written and verbal communication skills
• Motivated self-starter and able to operate with autonomy

Bonus Qualifications:

• Experience with Jenkins and Groovy
• Experience with Ansible
• Knowledge of Google gRPC and protobuf
• Experience with high traffic services and highly scalable, distributed systems
• Knowledge of scalable data storage and processing technologies such as Cassandra, Apache Spark, and AWS S3
• Experience with stress testing plus performance tuning and optimization
• Experience working within the games industries

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Constructor is seeking a Backend Engineer to join our Retail Media team. As a Backend Engineer, you will design, deliver, and maintain web services in close collaboration with other engineers.

Key Responsibilities

• Build, deploy, and support services using Python and FastAPI
• Write AWS CloudFormation scripts, Jenkins jobs, and GitHub actions following best industry standards
• Set up service observability, monitoring metrics, and alerting (Prometheus, Grafana, PagerDuty, AWS CloudWatch)
• Implement CI/CD pipelines and separate stability testing
• Collaborate with technical and non-technical business partners to develop and update functionalities

Requirements

• Strong computer science background and familiarity with networking principles
• Experience in designing, developing, and maintaining high-load real-time services
• Proficiency in Infrastructure as Code (IaC) tools like CloudFormation or Terraform for managing cloud resources
• Hands-on experience with setting up and improving CI/CD pipelines
• Proficiency in Python
• Experience in server-side coding for web services and a good understanding of API design principles
• Skilled in setting up and managing observability tools like Prometheus, Grafana, and integrating alert systems like PagerDuty
• Familiarity with Service-Oriented Architecture and knowledge of communication protocols like protobuf
• Experience with NoSQL and relational databases, distributed systems, and caching solutions (MySQL/PostgreSQL, ClickHouse/Athena)
• Experience with any of the major public cloud service providers: AWS, Azure, GCP
• Experience collaborating in cross-functional teams
• Excellent English communication skills

Benefits

• Unlimited vacation time
• Fully remote team
• Work from home stipend
• Apple laptops provided for new employees
• Training and development budget for every employee, refreshed each year
• Maternity and paternity leave for qualified employees
• Work with smart people who will help you grow and make a meaningful impact
• Base salary: $80k-$120k USD, depending on knowledge, skills, experience, and interview results
• Stock options offered in addition to the base salary
• Regular team offsites to connect and collaborate

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Constructor is seeking a Senior Backend Engineer to join our Recommendations team. As a key member of our engineering team, you will design, deliver, and maintain high-load real-time web services in close collaboration with other great engineers.

Key Responsibilities

• Build, deploy, and support robust recommendations services, including io-bound web services, cpu-bound services, and data services
• Write AWS CloudFormation scripts, Jenkins jobs, and GitHub actions following best industry standards
• Set up service observability, monitoring metrics, and alerting using Prometheus, Grafana, PagerDuty, and AWS CloudWatch
• Implement CI/CD pipelines and separate stability testing for recommendations needs
• Collaborate with technical and non-technical business partners to develop and update recommendations functionalities
• Communicate with stakeholders within and outside the team

Requirements

• Strong computer science background and familiarity with networking principles
• Experience in designing, developing, and maintaining high-load real-time services
• Proficiency in Infrastructure as Code (IaC) tools like CloudFormation or Terraform for managing cloud resources
• Hands-on experience with setting up and improving CI/CD pipelines
• Proficiency in a scripting language like Python and, as a plus, in compiled languages like Go or Rust
• Experience in server-side coding for web services and a good understanding of API design principles
• Skilled in setting up and managing observability tools like Prometheus, Grafana, and integrating alert systems like PagerDuty
• Familiarity with Service-Oriented Architecture and knowledge of communication protocols like protobuf
• Experience with NoSQL and relational databases, distributed systems, and caching solutions
• Experience with any of the major public cloud formations: AWS, Azure, GCP
• Experience collaborating in cross-functional teams
• Excellent English communication skills

Benefits

• Unlimited vacation time
• Fully remote team
• Work from home stipend
• Apple laptops provided for new employees
• Training and development budget for every employee, refreshed each year
• Maternity and paternity leave for qualified employees
• Work with smart people who will help you grow and make a meaningful impact
• Base salary: $80k–$120k USD, depending on knowledge, skills, experience, and interview results
• Stock options offered in addition to the base salary
• Regular team offsites to connect and collaborate

Diversity, Equity, and Inclusion at Constructor

At Constructor.io, we are committed to cultivating a work environment that is diverse, equitable, and inclusive. As an equal opportunity employer, we welcome individuals of all backgrounds and provide equal opportunities to all applicants regardless of their education, diversity of opinion, race, color, religion, gender, gender expression, sexual orientation, national origin, genetics, disability, age, veteran status, or affiliation in any other protected group.

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And we make games - How cool is that? In fact, we entertain millions of people across the globe with the most amazing and immersive interactive software in the industry. But making games is challenging. That's why we employ the most creative and passionate people in the industry.

What you'll do

The Challenge Ahead:

Our platform powers online features for EA’s games, serving millions of users each day. We live, breathe, and dream about how we can make every player’s multiplayer experience memorable. We develop services and SDKs in collaboration with EA’s game studios for matchmaking, stats and leaderboards, achievements, game replays, VOIP, and game networking.

What you need

• Responsibility 1: Design brand new services covering all aspects from storage to application logic to management console
• Responsibility 2: Enhance and add features to existing systems
• Responsibility 3: Research and select new best-of-breed technologies to meet challenging requirements
• Responsibility 4: Communicate with engineers from across the company to deliver the next generation of online features for both established and not-yet-released games

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