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Backend Engineer

Backend Engineer

Sr. Software Engineer - Surface Engineering (Hybrid)

CrowdStrike

Bucharest

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Описание вакансии

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. We’re also a mission-driven company. We cultivate a culture that gives every CrowdStriker both the flexibility and autonomy to own their careers. We’re always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our community and each other. Ready to join a mission that matters? The future of cybersecurity starts with you.

About The Role:
We're looking for a Sr. Cloud Software Engineer to join our growing Surface Engineering Team. Our new colleague will be responsible for building globally distributed, fault-tolerant, and highly scalable cloud ecosystems using Golang & Python. Prior experience with Golang or Python is not required, but will be helpful.

About The Team:
You will be joining the EASM Engineering team a.k.a. CrowdStrike Falcon Surface.

Falcon Surface pinpoints unknown, exposed internet-facing assets so security teams can best secure their digital perimeter. It enables security teams to detect, prioritize, and manage all of their exposed internet-facing assets that are centralized or remote across on-premise environments, subsidiary, cloud and third-party vendors with no agents or deployment required.

More Information About Falcon Surface:
https://www.crowdstrike.com/en\-us/platform/exposure\-management/easm/

https://www.youtube.com/watch?v\=J1uIKO848DU

What You’ll Do:

  • Work-on and enrich backend microservices – From researching areas of concern to implementing the final solution.
  • Leverage existing CrowdStrike tools and services to build cloud-based systems to help detect targeted attacks.
  • Brainstorm, Research, Define, Communicate, Build and Lead collaboratively with members across multiple teams.
  • Committed to learning and improving.
  • Be aware of our customers and the difficulties they face and how we can support them.
  • A strong focus on Quality of Coding through Best Practices, Testing, Logging and Metrics.
  • Work in a Collaborating & Agile environment with a small fast-moving team.
  • Be prepared to mentor other developers on web, backend and data storage technologies and our system and vice-versa.
  • Be aware of our product to improve architecture, knowledge models, user experience, performance, and stability.
  • Be given the autonomy to own your work in a high trust environment.

Tech Stack:
In-depth knowledge of all is not required, but the ability to ramp-up and learn is

required.

  • Go (Golang)
  • Python
  • AWS Redis / S3 / EC2 / Lambda
  • OpenSearch (ElasticSearch)
  • Docker
  • Kubernetes
  • Kafka
  • GIT
  • Cassandra

What You’ll Need:

  • Degree in Computer Science (or professional experience in data structures/algorithms/distributed systems).
  • A minimum of 5 years of production-level experience in building, delivering, and maintaining systems at scale
  • Understanding scalability and distributed systems i.e. sharding, partitioning, concurrency, etc.
  • Being a team player.
  • A thorough understanding of engineering best practices from appropriate testing paradigms to effective peer code reviews and resilient architecture.
  • The ability to thrive in a test-driven, collaborative, and iterative programming environment.
  • The skills to meet your commitments on time and produce high-quality software that is unit tested, code reviewed and checked in regularly for continuous integration.

Bonus Points:

  • Existing exposure to Python, Go, AWS, Cassandra, Kafka, Elasticsearch.
  • Prior experience in the cybersecurity or intelligence fields.
  • Front-end experience

Benefits Of Working At CrowdStrike:

  • Market leader in compensation and equity awards
  • Comprehensive physical and mental wellness programs
  • Competitive vacation and holidays for recharge
  • Paid parental and adoption leaves
  • Professional development opportunities for all employees regardless of level or role
  • Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections
  • Vibrant office culture with world class amenities
  • Great Place to Work Certified™ across the globe

CrowdStrike is proud to be an equal opportunity employer. We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program.

CrowdStrike is committed to providing equal employment opportunity for all employees and applicants for employment. The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy-related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law. We base all employment decisions--including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations and social/recreational programs--on valid job requirements.

If you need assistance accessing or reviewing the information on this website or need help submitting an application for employment or requesting an accommodation, please contact us at recruiting@crowdstrike.com for further assistance.

,

What You’ll Need:

  • Degree in Computer Science (or professional experience in data structures/algorithms/distributed systems).
  • A minimum of 5 years of production-level experience in building, delivering, and maintaining systems at scale
  • Understanding scalability and distributed systems i.e. sharding, partitioning, concurrency, etc.
  • Being a team player.
  • A thorough understanding of engineering best practices from appropriate testing paradigms to effective peer code reviews and resilient architecture.
  • The ability to thrive in a test-driven, collaborative, and iterative programming environment.
  • The skills to meet your commitments on time and produce high-quality software that is unit tested, code reviewed and checked in regularly for continuous integration.
  • Hands-on experience with AI tools such as ChatGPT, GitHub Copilot, Cloud code or similar platforms
  • Proven ability to integrate AI into daily workflows to improve efficiency and outcomes
  • Understanding of AI capabilities, limitations, and responsible usage practices

Bonus Points:

  • Existing exposure to Python, Go, AWS, Cassandra, Kafka, Elasticsearch.
  • Prior experience in the cybersecurity or intelligence fields.
  • Front-end experience

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Senior Full-Stack Developer / Technical Lead

Undelucram.ro

Bucharest

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Описание вакансии

Undelucram.ro on behalf of:

Veeam Software
Veeam is the Data and AI Trust Company, specializing in helping organizations ensure their data and AI are fully understood, secured, and resilient to enable the acceleration of safe AI at scale. As the market leader in both data resilience and data security posture management, Veeam is built for the convergence of identity, data, security, and AI risk. Headquartered in Seattle with offices in more than 30 countries, Veeam protects over 550,000 customers worldwide, who trust Veeam to keep their businesses running. Join us as we go fearlessly forward together, growing, learning, and making a real impact for some of the world’s biggest brands.

About The Role
We’re hiring a founding engineer and technical lead for a portfolio of AI-assisted learning and enablement tools. This is a hands-on leadership role responsible for architecture, development, infrastructure, and mentoring as the team grows. You’ll partner closely with subject-matter experts and instructional designers to ensure the platform is secure, scalable, and maintainable.

Why this role:
A founding-lead opportunity on a greenfield AI platform with high autonomy, a modern buildless stack, and an AI-native workflow.

Work model:
based on this role’s business requirements, this is a
remote position open to qualified applicants based in Romania
.

What You’ll Do

  • Own cross-project architecture, including data models, authentication, access control, logging, and deployment
  • Set and enforce code review and architectural standards
  • Build and maintain async Python services over PostgreSQL
  • Own CI/CD, DevOps processes, and release strategy
  • Manage infrastructure (databases, VMs, storage, backups, observability)
  • Develop a governed data-to-content pipeline for AI-driven knowledge generation
  • Implement cybersecurity and responsible AI controls
  • Mentor and support team development

What You’ll Bring

  • At least 5 years of strong async Python and modern web framework experience
  • PostgreSQL data modeling and optimization
  • Modern HTML, CSS, and JavaScript (ES modules)
  • Web security (OIDC/OAuth2, JWT, RBAC)
  • API design for scalable HTTP/JSON services
  • Git and CI/CD expertise
  • Experience integrating LLM APIs and handling structured outputs
  • Experience parsing structured/unstructured content (PDF, DOCX, HTML, etc.)
  • Comfort working across databases, object storage, and Git
  • Docker, Linux, and Bash fundamentals
  • Interest in AI pipeline evaluation and observability
  • Strong learning mindset and collaborative approach

Bonus Skills

  • C# / .NET / PowerShell (review level)
  • Node.js for tooling and document generation
  • Retrieval-augmented generation (RAG)
  • Model Context Protocol (MCP)
  • Programmatic document/presentation generation

What You’ll Get

  • 21 annual vacation days, additional days based on tenure, plus 4 extra global VeeaMe Days for self-care and 24 paid volunteer hours annually through Veeam Cares
  • Private health, dental, and vision insurance for employees and dependents, including outpatient care, hospitalization, pregnancy monitoring, and psychology support
  • Monthly lifestyle and daily meal benefits: 40 RON/day via Edenred and 600 RON/month through a flexible cafeteria platform
  • Life insurance (2× annual gross salary), critical illness, and disability coverage, plus vision reimbursement
  • Free access to Bookster library platform for borrowing your favorite books for free
  • Opportunities to learn and grow through on-demand libraries (LinkedIn Learning, O’Reilly), mentoring, workshops and learning events like our annual Global Day of Learning

Please note:
If an applicant is permanently located outside of the Romania, Veeam reserves the right to decline the application for this position.

Veeam Software is an equal opportunity employer
and does not tolerate discrimination in any form on the basis of race, color, religion, gender, age, national origin, citizenship, disability, veteran status or any other classification protected by federal, state or local law. All your information will be kept confidential.

Personal data collected during the recruitment process will be processed in accordance with our Recruiting Privacy Notice, which explains how your information is collected, used, and handled in connection with hiring activities. By applying for this position, you consent to this processing.

By submitting your application, you confirm that the information provided, including any supporting documents, is complete and accurate to the best of your knowledge. Any misrepresentation, omission, or falsification may result in disqualification from consideration or, if discovered after employment begins, termination of employment.

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Senior Software Engineer (Ruby)

Exadel

Bucharest

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Описание вакансии

Why Join Exadel

We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.

From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.

What powers it all? Our people are ambitious, collaborative, and constantly evolving.

About The Client

The company has been building solutions for mobile apps, effortless payment, business travel, and advertising since 1992. The customer is developing a mobility platform that allows operators to manage their vehicles and drivers efficiently, regulators to be informed and establish guidelines, service providers to deliver sustainable solutions, and riders to have an effortless transit experience.

Project Team

The Project Is a Taxi Ordering Service. The User Can Hail a Taxi, Monitor An Ordered Taxi, Pay For a Ride, And See Trip History. The System Contains The Following Components

  • Ride server (all data processing);
  • Payment server (PCI DSS-compliant), which performs a transaction with the passenger's digital wallet and payment gateways;
  • Mobile application (hail taxi, geocoding, map, payments);
  • Taxi terminal (3rd party).

The project integrates with 3rd party services, including PayPal, MasterPass, Stripe, and Twilio.

Team: 1 Team Lead, 1 UI Developers, 6 Back-End Developers, 9 Mobile Developers, 5 QA, 2 BA and 2 Designer.

What You’ll Do

  • Hands-on Development & Automation: Write real code for autoscaling, internal tooling, and operational automation
  • Application Performance & Reliability: Improve the overall performance, scalability, and reliability of our applications
  • Database & Infrastructure Optimization: Work directly on database optimization, containerized environments, and continuous delivery
  • CI Automation: Enhance automated CI processes and development pipelines
  • AWS & Container Management: Maintain, optimize, and manage applications across our Docker, Kubernetes, and AWS stack

What You Bring

  • Strong Ruby Development Skills: Experienced Ruby developer with a solid background in software development
  • Containers & Orchestration: Strong, practical experience with Kubernetes and Docker
  • Cloud Infrastructure: Hands-on experience working with the AWS stack
  • Database Expertise: Proven experience with database optimization
  • CI/CD Automation: Experience with CI automation and infrastructure processes
  • Mindset: Enjoys working on performance, reliability, and infrastructure, rather than building standard product features

English level

Upper-Intermediate

Legal & Hiring Information

  • Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more.
  • Reasonable accommodations are available to enable individuals with disabilities to perform essential functions.
  • Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs.
  • Compensation details are shared with candidates at the early stage of the recruitment process.
  • The offer is not binding until a signed contract is in place.

Your Benefits at Exadel

Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.

  • International projects
  • In-office, hybrid, or remote flexibility
  • Medical healthcare
  • Recognition program
  • Ongoing learning & reimbursement
  • Well-being program
  • Team events & local benefits
  • Sports compensation
  • Referral bonuses
  • Top-tier equipment provision

Exadel Culture

We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Java Technical Lead/ Architect- Senior Specialist- Financial Services

Publicis Sapient

Bucharest

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Описание вакансии

Job Description
Tremend is looking for a Java Technical Lead / Architect to join our team of bright thinkers and doers. You’ll use your problem-solving creativity to figure out our client’s most complex and challenging problems across different industries. We are on a mission to transform the world, and you will be instrumental in shaping how we do it with your ideas, thoughts, and solutions.

Technical Skills:

  • Microservices Architecture: Extensive experience in designing, building, and operating microservices-based systems.
  • Domain-Driven Design (DDD): Deep understanding and practical experience in applying DDD principles (Bounded Contexts, Aggregates, Entities) to model complex business domains.
  • Event-Driven Distributed Architecture: Proficiency in designing systems using event sourcing, CQRS (Command Query Responsibility Segregation), message queues (e.g., Kafka, pub sub), and stream processing.
  • API Design: Expertise in designing RESTful APIs, Graph QL, and employing API Gateways.

Technology Stack:

  • Java: Expert-level proficiency in Java development, including frameworks like Spring Boot/Spring Cloud.
  • Mobile & Web Apps: Experience architecting solutions that seamlessly integrate and support native mobile applications (iOS/Android) and modern web applications (e.g., React, Angular,Vue.js).
  • Cloud Platforms: Hands-on experience with major cloud providers preferably GCP and cloud-native services.
  • Databases: Strong knowledge of relational (SQL) and NoSQL databases and understanding of polyglot persistence.

DevOps & Practices:

  • DevOps and CI/CD: Experience integrating architecture principles with Continuous Integration/Continuous Delivery (CI/CD) pipelines, infrastructure as code (e.g., Terraform), and containerization (Docker, Kubernetes).
  • System Resiliency: Proven ability to design for high availability, disaster recovery, fault tolerance, and performance at scale.
  • Security: Strong grasp of security principles and practices in a distributed architecture context (e.g., OAuth2, JWT, secure communication)

Additional Information
Besides an exciting job in a tremendous team, here s what you can expect:

  • A fast-paced tech environment
  • Continuous growth & learning
  • Open feedback culture
  • Room for own initiative & ideas
  • Transparency about results & strategy
  • Recognition & reward for hard work
  • Working with a flexible schedule
  • Medical subscription
  • Meal tickets
  • Extra vacation days - starting with 25 vacation daysMany others perks.

Company Description
Tremend is the newest global software engineering hub for Publicis Sapient. For over 20 years, the company has been infusing its advanced technical expertise into complex and innovative solutions that meet today s digital transformation needs and pave the way for a better and smarter future. By joining forces with Publicis Sapient we re accelerating the impact, providing a good mix of talented engineers, technology, continuous improvement, innovation, and R&D. Here, you ll have the opportunity to unleash your potential, powering up advanced software solutions for some of the world s most iconic brands. Embrace your passion for technology, creativity, and continuous improvement, and join us in making a difference through engineering.

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

Backend Engineer

Senior AI Platform Engineer

N-iX

Bucharest

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Описание вакансии

N-iX
is a global software development company founded in 2002, connecting over 2,400+ tech professionals across 40+ countries. We deliver innovative technology solutions in cloud computing, data analytics, AI, embedded software,IoT, and more to global industry leaders and Fortune 500 companies. Join us to create technology that drives real change for businesses and people across the world.

Our client
is a fast-growing European fintech company in the business spend management space — corporate cards and related financial products — serving SME and mid-sized business customers across the EU and UK, in a regulated environment with GDPR compliance obligations. Engineering is organized into cross-functional squads, with platform/enabling teams providing shared tooling horizontally. The client already runs an AI-native engineering practice: Claude Code and GitHub Copilot are used daily, supported by a growing library of shared, versioned Skills embedded in key repositories, enabling an end-to-end flow from ticket to implementation, testing and PR in several codebases. AI tool/connector rollout follows an approved-list and pilot process. The client is AWS-first overall; for data platform and analytics workloads it also runs GCP, with BigQuery as the primary data warehouse. Day-to-day coordination is Slack-first, with Linear for ticket tracking, GitHub for code/PR review, and Notion as the knowledge base.

The client is also building out its AI platform and agentic capabilities: it recently launched an MCP surface in closed beta, giving external AI assistants a structured way to connect and perform real workflows behind guardrails, and treats agent reliability as a system property (tool contracts, approval/consent gates for write actions, evaluation harnesses).

We're looking for
a Senior AI Platform Enginee
r to design, build and operate the shared GenAI infrastructure that product teams rely on.

Key Responsibilities:

  • Design, build and operate shared GenAI infrastructure: LLM routing, vector search and RAG infrastructure, MCP gateway, and AI observability/evaluation tooling.
  • Apply strong distributed-systems fundamentals: async workflows, idempotency, failure design.
  • Work hands-on with LLM APIs in production.
  • Apply an AI-security mindset: prompt injection defenses, PII-in-logs handling, credential handling.
  • Apply real engineering rigor to the Context Development Lifecycle (CDLC): generate, evaluate, distribute and observe the context that powers AI agents.
  • Multiply the output and quality of the squad you join, and share patterns/practice beyond your immediate team so adoption compounds across the organisation.
  • Embed directly into a client squad as a hands-on Individual Contributor (not a coaching/managerial role).

Must-Have Skills:

  • Kotlin or Python as primary proficiency, with comfort contributing to both.
  • Experience designing/building/operating shared GenAI infrastructure: LLM routing; vector search and RAG infrastructure; MCP gateway; AI observability and evaluation tooling.
  • Strong distributed-systems fundamentals: async workflows, idempotency, failure design.
  • Hands-on production experience with LLM APIs.
  • AI-security mindset: prompt injection, PII in logs, credential handling.
  • Agent & harness engineering fluency, with concrete evidence of building/operating this kind of tooling, not just using it.
  • Comfortable with the client's current daily tools: Claude Code and GitHub Copilot.

Nice-to-Have Skills:

  • Specific cloud depth (AWS and/or GCP), Grafana, or named LLM API vendors. The RFP describes these capabilities generically rather than naming specific tools for this role — listed here as plausible, not confirmed.

We offer*:

  • Flexible working format - remote, office-based or flexible
  • A competitive salary and good compensation package
  • Personalized career growth
  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
  • Active tech communities with regular knowledge sharing
  • Education reimbursement
  • Memorable anniversary presents
  • Corporate events and team buildings
  • Other location-specific benefits
  • not applicable for freelancers

Это сохранённая копия объявления, опубликованного в другом месте. Вакансии снимают без предупреждения — перед откликом проверьте сайт работодателя. mentors.coach не является нанимающей стороной.

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Sr. Software Engineer - Surface Engineering (Hybrid)CrowdStrike · Romania

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