Senior Software Engineer, Backend

9 hours ago

Bucharest, Bucureşti, Romania Cresta Full time €40,000 - €80,000 per year

Cresta is on a mission to turn every customer conversation into a competitive advantage by unlocking the true potential of the contact center. Our platform combines the best of AI and human intelligence to help contact centers discover customer insights and behavioral best practices, automate conversations and inefficient processes, and empower every team member to work smarter and faster. Born from the prestigious Stanford AI lab, Cresta's co-founder and chairman is Sebastian Thrun, the genius behind Google X, Waymo, Udacity, and more. Our leadership also includes CEO, Ping Wu, the co-founder of Google Contact Center AI and Vertex AI platform, and co-founder, Tim Shi, an early member of Open AI.

Join us on this thrilling journey to revolutionize the workforce with AI. The future of work is here, and it's at Cresta.

About the role:

At Cresta, the Voice Platform team is on a mission to transform real-time voice infrastructure and contact center automation through AI-powered backend systems. As a Senior Software Engineer on the Voice Platform team, you'll be responsible for designing, scaling, and operating the distributed services that power Cresta's voice ecosystem.
You'll drive major initiatives in areas such as SIP and WebRTC support, multilingual and translation pipelines, and real-time conversation intelligence. This role requires strong technical leadership, a passion for building reliable distributed systems, and the ability to collaborate across engineering and product teams to bring innovative features into production.

Responsibilities:

Lead the design and development of scalable, distributed backend microservices in Golang (with some Python for AI-related services).Own and evolve voice platform integrations with large-scale enterprise communication and contact center systems.Drive initiatives to expand platform capabilities, including bi-directional SIP, WebRTC integrations, multilingual support, advanced transcription, and real-time translation.Build systems that power conversation intelligence for both remote and in-person interactions.Improve observability, reliability, and self-service troubleshooting across the platform.Ensure performance, scalability, and resilience of real-time voice pipelines running in the cloud.Collaborate with cross-functional teams (ML, product, solution architects) to design end-to-end solutions for customer deployments.Provide technical guidance, mentorship, and best practices to other engineers on the team.Qualifications We Value:
Bachelor's degree in Computer Science or related field.5+ years of experience in backend system development, distributed systems, or cloud infrastructure.Expertise in Go (or a similar systems language) with strong API and service design skills.Proven experience with scalable architectures using microservices, workflow orchestration, distributed caching, and cloud databases.Strong knowledge of Kubernetes, Docker, and modern cloud infrastructure.Solid understanding of networking, real-time communication protocols, and cloud security best practices.Demonstrated ability to lead complex technical projects from design through production.Bonus: experience with voice systems, telephony, or real-time media platforms

Conclusion:

Compensation for this position includes a base salary, equity, and a variety of benefits. Actual base salaries will be based on candidate-specific factors, including experience, skillset, and location, as well as applicable local pay requirements. We are actively hiring for this role in Romania, the US, and Canada. Your recruiter can provide further details.

We have noticed a rise in recruiting impersonations across the industry, where scammers attempt to access candidates' personal and financial information through fake interviews and offers. All Cresta recruiting email communications will always come from the domain. Any outreach claiming to be from Cresta via other sources should be ignored.  If you are uncertain whether you have been contacted by an official Cresta employee, reach out to

  • Senior Backend Engineer

    9 hours ago

    Bucharest, Bucureşti, Romania Showpad Full time 60,000 - 120,000 per year

    Location Qualifications:Bucharest (hybrid 2x week in office)Position OverviewAs a Senior Backend Engineer at Showpad, you're focused on driving innovation for new functionalities of our product and optimizing our existing codebase. You have fullautonomyandownershipover your work, ensuring that all aspects are well-architected, including code functionality,...

  • Senior Backend Engineer QYY49979

    2 weeks ago

    Bucharest, Bucureşti, Romania Ams Hr Full time €90,000 - €120,000 per year

    About the job Senior Backend Engineer QYY49979 About The Role As a Senior Backend Engineer, youll be designing and architecting scalable solutions, creating robust APIs, and building new microservices from the ground upwhile also improving and optimizing our existing systems. This isnt just another engineering role. Were solving real, painful...

  • Senior Backend Developer

    2 weeks ago

    Bucharest, Bucureşti, Romania Qualitest Full time 60,000 - 80,000 per year

    Date: 19 Aug 2025Company: Qualitest GroupCountry/Region: ROWe are looking for a Senior Backend engineer with expertise in Java development.Responsibilities:Design and development a SaaS cloud-based tool for tracking and managing investigationsImplement rich and extremely strict Rest API for all product and administration operationsPerform technical research...

  • Senior Software Engineer

    2 weeks ago

    Bucharest, Bucureşti, Romania VOX SOLUTIONS Full time €90,000 - €120,000 per year

    About VOXEstablished in 2010,VOX SOLUTIONShas been at the forefront of innovation in the voice and messaging marketplace. We are certainly not a start-up, but a scale up company with the ambition of becoming a major player in our industry with new and innovative solutions that can address the needs of our constantly evolving telecommunications landscape.Our...

  • Senior Software Engineer

    2 weeks ago

    Bucharest, Bucureşti, Romania Vox Solutions Full time €80,000 - €120,000 per year

    About VOXEstablished in 2010, VOX SOLUTIONS has been at the forefront of innovation in the voice and messaging marketplace. We are certainly not a start-up, but a scale up company with the ambition of becoming a major player in our industry with new and innovative solutions that can address the needs of our constantly evolving telecommunications

  • Senior Cloud Engineer

    9 hours ago

    Bucharest, Bucureşti, Romania Arnia Software Full time 90,000 - 120,000 per year

    About the RoleStep into the early stages of a greenfield project where innovation is at the core. We're designing a cloud-based solution that redefines how change is managed and experienced. As a Senior Backend Engineer, you'll be instrumental in laying down the foundations of the system—building scalable services and shaping an architecture that will...

  • Senior Python Backend Developer

    2 weeks ago

    Bucharest, Bucureşti, Romania Ams Hr Full time €90,000 - €120,000 per year

    About the job Senior Python Backend Developer - L67VR9V5 Senior Python Backend Developer Enabling Scalable, Reliable, and Intelligent Software Systems We are seeking a Senior Python Backend Developer with a strong background in designing, implementing, and deploying scalable, high availability, low latency and high concurrency backend systems, with...

  • Senior Software Engineer,Romania

    7 days ago

    Bucharest, Bucureşti, Romania DoiT Full time €104,000 - €130,878 per year

    LocationThe Senior Software Engineer will be an integral part of our Engineering teams in EMEA.This role is based remotely as a full-time employee in the UK, Ireland, Estonia, Netherlands, Sweden and Spain. We are also open to contractors in Eastern Europe and Portugal.Who We AreDoiT is a global technology company that works with cloud-driven organizations...

  • Backend Software Engineer

    2 weeks ago

    Bucharest, Bucureşti, Romania Hays Full time €80,000 - €120,000 per year

    *Flexibility of being able to work hybrid (2 days/week in the office in Bucharest), labor contract (CIM)Your new company:Our client is dedicated to accelerating the path to more reliable, affordable, and sustainable energy. They assist their customers in powering economies and delivering the electricity that is vital to health, safety, security, and an...

  • Backend Engineer

    7 days ago

    Bucharest, Bucureşti, Romania Showpad Full time €104,000 - €130,878 per year

    Location Qualifications:Bucharest (hybrid 2xweek in office)Position OverviewAs a Backend Engineer at Showpad, you're focused on driving innovation for new functionalities of our product and optimizing our existing codebase. You haveautonomyandownershipover your work, ensuring that all aspects are well-architected, including code functionality, comprehensive...