✅ Requirements:

• 4+ years of experience in software testing.
• Mandatory experience in backend testing and a deep understanding of client-server architecture.
• Strong experience in API testing (REST, JSON) using tools like Postman, Swagger, or similar.
• Solid SQL knowledge (ability to write complex queries, joins, and work with databases directly).
• Experience in defining the scope of testing, maintaining test documentation (Test Plans, Test Cases, Checklists).
• Experience in contributing to and evolving existing test strategies, as well as implementing process improvements.
• Advanced analytical troubleshooting skills, attention to detail, and a scientific approach to problem-solving (e.g., reading logs, analyzing network traffic).
• Proficiency with JIRA and Confluence.
• Strong verbal and written communication skills to effectively collaborate with developers, architects, and product managers.
• Intermediate+ / Upper-Intermediate level of English (both verbal and written).

✅ Will be a plus:

• Experience in test automation (TypeScript) and a willingness to contribute to automated testing processes.
• Experience in Mobile testing (iOS/Android).
• Familiarity with CI/CD pipelines and tools.
• Experience with Allure TestOps as TMS.

✅ Duties and opportunities:

• Perform end-to-end manual testing of the core platform features, APIs, and integrations.
• Collaborate with the team to evolve and implement changes to the overall platform test strategy.
• Investigate and localize issues, working closely with devtools,  logs and databases.
• Manage defects in the bug-tracking system and oversee them through the entire lifecycle.
• Support release process.
• Actively collaborate with cross-functional teams (Development, DevOps, Product) to identify risks and improve product quality at early stages.
• Mentor junior/middle QA engineers and contribute to QA process improvements within the platform team.

We’re looking for an Application Support Specialist to ensure the stability, performance, and availability of business applications and systems used by internal teams. You will troubleshoot incidents, handle service requests, provide licences, make payments, collaborate with engineering/product teams, and drive root-cause analysis to prevent recurring issues. This role requires strong technical troubleshooting, clear communication, and a structured approach to incident management.

✅ Responsibilities:

✔️Provide L2 application support for business systems and software (web apps, software APIs, Corporate IT and backoffice tools, SaaS platforms).

✔️Provide software licenses to the employees.

✔️Triage, troubleshoot, and resolve incidents and requests within agreed SLAs.

✔️Investigate issues using logs, monitoring tools and API testing.

✔️Perform root-cause analysis (RCA) and document findings, fixes, and preventive actions.

✔️Support systems: Maintain records of over 400 software units, grant/revoke access, verify access rights according to RBAC, write documentation

✔️Identify recurring problems and drive automation or process improvements to reduce ticket volume.

✔️Communicate updates to stakeholders during incidents (status, workaround, ETA, resolution).

✔️Participate in on-call/shift rotation if required.

✔️Incident/problem management: Working with Atlassian (Jira Service Desk, Software, Confluence)

✔️Full software management cycle within the company (implementation, support, procurement/payment, renewal, user management, system deactivation, access rights verification, automation)

✔️Technical Knowledge: Atlassian (Jira, Confluence), Microsoft 365, Trelica, Grafana, Okta, SAP/Dynamics, N8N, scripting, Postman.

✅ Requirements:

✔️3+ years in application support / technical support / service operations (L2).

✔️Strong troubleshooting skills for web applications (HTTP, REST, auth basics, dev tools, SaaS Management tool).

✔️Experience working with ticketing systems (Jira Service Management, Software, Confluence.)

✔️Ability to read and interpret logs; familiarity with monitoring/alerting (Grafana, Kibana, Datadog).

✔️Scripting for automation (Python/Bash/PowerShell).

✔️Understanding of incident/problem management (ITIL concepts are a plus).

✔️Comfortable communicating with both technical and non-technical stakeholders.

✔️Strong documentation habits and attention to detail.

✔️Proactive and goal oriented mindset.

💡 Would be a plus:

✔️Experience with Linux basics, containers, or cloud platforms (AWS/Azure/GCP).

✔️Basic understanding of networking (DNS, latency, firewalls) and SSO concepts.

✔️Strong experience with API tools (Postman/Insomnia) and message queues (Kafka/RabbitMQ).

✔️Experience working with a huge amount of systems.

✔️The desire and ability to organise and manage a large number of systems from scratch.

At JetBrains, code is our passion. Ever since we started, back in 2000, we have strived to make the strongest, most effective developer tools on earth. By automating routine checks and corrections, our tools speed up production, freeing developers to grow, discover, and create.

We are looking for a Software Developer to join the core team developing Ktor, an asynchronous framework for building connected applications.

Ktor provides an HTTP server and client stack with multiple low-level subsystems (I/O, networking, protocols, etc.) and a rich set of extensible features. The team works on both evolving existing functionality and designing new framework capabilities.

In this role, you will:

• Work on the core of the Ktor framework.
• Develop and improve HTTP server and client subsystems.
• Design and implement new framework features and extensions.
• Maintain and improve the existing codebase with a focus on quality, performance, and reliability.
• Participate in design discussions and code reviews.
• Collaborate closely with other developers and contributors.

We’ll be happy to have you on our team if you have:

• Solid experience with Kotlin.
• Good knowledge of algorithms and data structures.
• The ability to write clean, maintainable, and well-tested code.
• Strong collaboration and communication skills.
• The ability to clearly express and justify technical decisions.
• Working proficiency in written and spoken English.
  
  

We’d be especially thrilled if you have:

• Experience with web technologies and application frameworks.
• An understanding of HTTP, REST, and networking concepts.
• Experience with non-JVM platforms or frameworks.
• Experience with library API design and versioning.

Why join JetBrains?

• Strong base salary. We offer competitive pay that reflects your skills and experience.
• Flexible work location. Enjoy the freedom to work from home or from the office.
• Remote work. Spend up to 30 days per year working remotely from abroad.
• Extra time off. More days to relax, recharge, and do the things you love.
• Medical insurance allowance. Enjoy peace of mind for you and your family.
• Learning and development opportunities. Access to conferences, courses, and language classes.
• Relocation support. We help make your move as smooth and stress-free as possible.
• Language classes. Pick up the local language or sharpen your English skills.
• Fuel your day. Enjoy a hot meal or receive a lunch allowance on workdays.
• Mental health support. To help you feel your best, we provide easy access to professional mental health services.
• Sports benefit. Enjoy an on-site gym or sports club stipend.
• Internal events. Join company-wide celebrations and team gatherings.

*Some benefits may vary depending on location.

#LI-GZ1

#LI-DNI

#LI-GZ1

At JetBrains, code is our passion. Ever since we started, back in 2000, we have strived to make the strongest, most effective developer tools on earth. By automating routine checks and corrections, our tools speed up production, freeing developers to grow, discover, and create.

We are looking for a Software Developer to join the core team developing Ktor, an asynchronous framework for building connected applications.

Ktor provides an HTTP server and client stack with multiple low-level subsystems (I/O, networking, protocols, etc.) and a rich set of extensible features. The team works on both evolving existing functionality and designing new framework capabilities.

In this role, you will:

• Work on the core of the Ktor framework.
• Develop and improve HTTP server and client subsystems.
• Design and implement new framework features and extensions.
• Maintain and improve the existing codebase with a focus on quality, performance, and reliability.
• Participate in design discussions and code reviews.
• Collaborate closely with other developers and contributors.

We’ll be happy to have you on our team if you have:

• Solid experience with Kotlin.
• Good knowledge of algorithms and data structures.
• The ability to write clean, maintainable, and well-tested code.
• Strong collaboration and communication skills.
• The ability to clearly express and justify technical decisions.
• Working proficiency in written and spoken English.
  
  

We’d be especially thrilled if you have:

• Experience with web technologies and application frameworks.
• An understanding of HTTP, REST, and networking concepts.
• Experience with non-JVM platforms or frameworks.
• Experience with library API design and versioning.

Why join JetBrains?

• Strong base salary. We offer competitive pay that reflects your skills and experience.
• Flexible work location. Enjoy the freedom to work from home or from the office.
• Remote work. Spend up to 30 days per year working remotely from abroad.
• Extra time off. More days to relax, recharge, and do the things you love.
• Medical insurance allowance. Enjoy peace of mind for you and your family.
• Learning and development opportunities. Access to conferences, courses, and language classes.
• Relocation support. We help make your move as smooth and stress-free as possible.
• Language classes. Pick up the local language or sharpen your English skills.
• Fuel your day. Enjoy a hot meal or receive a lunch allowance on workdays.
• Mental health support. To help you feel your best, we provide easy access to professional mental health services.
• Sports benefit. Enjoy an on-site gym or sports club stipend.
• Internal events. Join company-wide celebrations and team gatherings.

*Some benefits may vary depending on location.

#LI-GZ1

#LI-DNI

#LI-GZ1

Summary 

We are looking to hire a Customer Support Engineer as a part of Telesign Technical Support who will be working with our customers as well as with internal teams on troubleshooting issues, resolving them, or escalating problems. Technical Support Team is working in conjunction with other Telesign teams, employs a customer-centric oriented approach to improve the quality of the service that Telesign provides.

General Responsibilities:

• Identify, clarify, and resolve general and specific customer impacting problems.
• Provide professional, useful, and complete advice, training, and responses.
• Learn, apply, and articulate Telesign’s products, services, and operational technology to recommend potential uses and best practice for customers; to stay up to date with application changes.
• Drive increased customer satisfaction by exceeding expectations.
• Provide responsive support in line with company service levels and proper handling.
• Maintain accurate account information and settings in proprietary systems.
• Alerting and Communication – Internal and External.
• Provide additional monitoring after alert by responsible Telesign department.
• Evaluation and feedback on operational procedures/processes to ensure efficiency and security.
• Maintain and expand technical knowledge across Telesign products and services, tools, and processes.
• Contribute to and maintain technical documentation, responses, FAQs, knowledge bases and processes to help work efficiently across Support organization.
• Update relevant stakeholders with the most frequent customer questions or where customers experience confusion or issues.

Essential Requirements:

• 2-3 years’ experience in a mid or high-level customer facing role.
• Fluent English, excellent verbal and written.
• Fast Learner.
• High level of responsibility.
• Team orientated.
• Strong problem-solving skills and analytical skills; logical and critical thinking.
• Strong Customer care and focus.
• Positive attitude and results-driven motivation.
• Ability to translate technical knowledge and concepts to non-technical people.
• Strong ability to prioritize and multi-task in a fast-paced environment.
• Attention to detail.
• MS Office package - relevant knowledge.
• Ability to work in shifts (24/7 shift schedule).
• Working understanding of any of basic technical concepts of REST API, Java, PHP, Ruby, C#, Python …
• Familiarity with Salesforce ticketing systems (” Service cloud”), Atlassian tools (JIRA, Status Page), ”Kibana”, ”Grafana”, “Confluence”- will be treated as advantage.
• Telecom and Messaging experience (CPaaS, SMS, Voice, telecom data, Carrier ecosystem).

We are offering

• Good compensation - Competitive € salary plus benefits package.
• Development opportunities.
• Challenging but also a friendly working environment.
• And much, much more...

About Telesign

Telesign connects and protects online experiences with sophisticated customer identity and engagement solutions. Through APIs that deliver user verification, data insights, and communications we solve today’s unique customer challenges by bridging businesses to the complex world of global telecommunications.

Telesign is proud to be an equal opportunity employer. We believe our differences help us create a better workplace, a better product, and a better community. We do not discriminate on the basis of race, color, ancestry, religion, national origin, marital status, pregnancy, sex, sexual orientation, gender, gender identity or expression, age, genetic information, disability, military or veteran status, or any other basis protected by federal, state or local law, ordinance or regulation.

Telesign is an Affirmative Action Employer and as part of the commitment to AAP, it will seek to ensure affirmative action to provide equality of opportunity in all aspects of employment, and that all personnel activities, such as the recruitment selection, training, compensation, benefits, discipline, promotion, transfer, layoff and termination processes remain free of illegal discrimination and harassment based on protected characteristics.

About Proximus Global

Proximus Global, combining the strengths of Telesign, BICS, and Route Mobile, is transforming the future of communications and digital identity. Together, our solutions fuel innovation across the world’s largest companies and emerging brands. Our unrivalled global reach empowers businesses to create engaging experiences with built-in fraud protection across the entire customer lifecycle.

Our comprehensive suite of solutions – from our super network for voice, messaging, and data, to 5G and IoT; and from verification and intelligence to CPaaS for personalised omnichannel engagement – enables businesses and communities to thrive. Reaching over 5 billion subscribers, securing more than 180 billion transactions annually, and connecting 1,000+ destinations, we honour our commitment to connect, protect and engage everyone, everywhere.

At JetBrains, we’re building an AI-native platform for software development that connects developer workflows, team-level collaboration, and organizational control into a single coherent system. This platform will serve as the execution and governance layer for AI-driven development, deeply integrated with developer tools but designed to work across teams, products, and environments. This is a long-term strategic investment for JetBrains and a key pillar of our vision for the future of software development.

We’re now looking for an experienced and proactive Full-stack QA Engineer to join our team to help us with functional and performance testing.

Your responsibilities will include: 

• Developing and maintaining an automated testing infrastructure, setting up CI/CD pipelines, selecting and integrating existing tools, and designing new ones.
• Writing and improving automated tests, particularly for APIs.
• Collaborating with the QA and Development teams to design and execute test scenarios.
• Working with logs and monitoring tools (e.g. Kibana, Grafana) to detect functional issues and performance anomalies.
• Ensuring the quality of our distributed AI-powered systems by validating integrations with various language models and APIs.

We would like you on our team if you: 

• Have at least three years of experience in software testing (manual and automated).
• Possess a solid understanding of REST APIs, request/response structures, status codes, and typical scenarios.
• Have hands-on experience with Postman or similar API testing tools.
• Are familiar with writing automated tests for APIs using any programming language or framework.
• Understand distributed systems and microservice architectures.
• Have basic Docker skills (running containers, working with Docker Compose).
• Are comfortable reading and interpreting OpenAPI/Swagger specifications.
• Have a basic understanding of authentication and authorization protocols (e.g. OAuth 2.0, API keys, and JWT).
• Can work well both independently and within a team, demonstrating strong self-management skills.
• Have a good command of English, both spoken and written.

We’d be especially thrilled if you: 

• Have hands-on experience with cloud computing platforms (AWS, GCP) and container orchestration tools (Kubernetes, Helm).
• Have experience with CI/CD tools (e.g. TeamCity or GitHub Actions).
• Have experience with performance testing tools (e.g. k6).
• Are familiar with TypeScript and/or JavaScript.
• Have worked with automated testing infrastructure and processes.
• Enjoy digging into logs and debugging distributed systems.

Main focus: 

• Quality assurance of new features
• Automation of regression testing
• Performance testing

Why join JetBrains?

• Strong base salary. We offer competitive pay that reflects your skills and experience.
• Flexible work location. Enjoy the freedom to work from home or from the office.
• Remote work. Spend up to 30 days per year working remotely from abroad.
• Extra time off. More days to relax, recharge, and do the things you love.
• Medical insurance allowance. Enjoy peace of mind for you and your family.
• Learning and development opportunities. Access to conferences, courses, and language classes.
• Relocation support. We help make your move as smooth and stress-free as possible.
• Language classes. Pick up the local language or sharpen your English skills.
• Fuel your day. Enjoy a hot meal or receive a lunch allowance on workdays.
• Mental health support. To help you feel your best, we provide easy access to professional mental health services.
• Sports benefit. Enjoy an on-site gym or sports club stipend.
• Internal events. Join company-wide celebrations and team gatherings.

*Some benefits may vary depending on location.

#LI-DNI 

We are seeking a highly skilled API & AI Plugins Integration Engineer with a strong background in software engineering, DevOps and API‑driven systems. In this role, you will design and implement plugins and integrations that connect our API platforms to external partner ecosystems and developer tools. You will work on API plugins and SDKs for cloud partner portals (e.g. AWS Partner Portal / Marketplace, Google Cloud Marketplace, Azure Partner Center), enterprise SaaS platforms (e.g. Salesforce, ServiceNow, Cognigy, Twilio and similar) and AI‑driven tools and chat‑based assistants such as ChatGPT, Claude, Perplexity, Groq, Mistral and other leading AI platforms.

You will collaborate closely with Cloud SREs, Software teams, Product, Security and partner ecosystem teams to ensure integrations are secure, reliable and aligned with our API standards, while enabling easy onboarding and self‑service for partners and developers.

Key responsibilities

• Take Design, implement and maintain API plugins and SDKs that integrate our APIs with external partner platforms and developer ecosystems.
• Build connectors and integration modules for cloud partner portals (e.g. AWS Partner Portal / Marketplace, Google Cloud Marketplace, Azure Partner Center) and enterprise SaaS platforms (e.g. Salesforce, ServiceNow, Cognigy, Twilio).
• Develop plugin‑style extensions for AI‑driven assistants and platforms (e.g. ChatGPT, Claude, Perplexity, Groq, Mistral and others), enabling API exposure and orchestration through conversational and copilot‑style experiences.
• Ensure consistent integration patterns across plugins: authentication, error handling, logging, telemetry and reliability.
• Collaborate with Cloud SRE teams to integrate and operate the plugins and connectors in production environments.
• Work closely with Security and Identity teams to enforce secure access patterns (OAuth2, OIDC, API keys, SSO) for all partner integrations.
• Partner with Product and Platform teams to define integration blueprints and streamline onboarding via portals and marketplaces.
• Support partner onboarding flows for cloud and SaaS ecosystems, including technical integration and listing requirements.
• Contribute to developer experience improvements — including examples, templates and documentation for SDKs and plugins.
• Ensure observability, monitoring and alerting are integrated into all plugins and connectors.
• Stay ahead of trends in cloud marketplaces, conversational AI and integration platforms and propose new integrations to the roadmap.

Essential Requirements

• Bachelors or Masters degree in Computer Science, Software Engineering or a related technical field.
• 5+ years of experience in software engineering, DevOps or integration engineering roles.
• Strong programming skills in Python, Go, Node.js or Java.
• Experience building API clients, SDKs or middleware integrations with external platforms.
• Deep understanding of REST and gRPC APIs, authentication and authorization (OAuth2, OIDC, API keys) and webhooks.
• Familiarity with cloud partner portals (e.g., AWS Partner Portal / Marketplace, Google Cloud Marketplace, Azure Partner Center) and enterprise SaaS platforms (e.g., Salesforce, ServiceNow, Cognigy, Twilio and similar).
• Exposure to AI‑driven tools and chat‑based assistants (e.g., ChatGPT, Claude, Perplexity, Groq, Mistral) and plugin‑style or tool integrations.
• Solid experience with CI/CD pipelines, git‑based workflows and Infrastructure‑as‑Code concepts.
• Strong collaboration, communication and documentation skills for working with cross‑functional and global teams.

Preferred Qualifications

• Experience with Kubernetes and containerized integration patterns.
• Background in building or maintaining marketplace‑compatible listings or partner‑portal integrations.
• Familiarity with observability stacks (Prometheus, Grafana, OpenTelemetry) for monitoring integrations.
• Experience designing developer‑facing tooling, CLI tools or automation scripts.
• Interest in AI‑driven APIs, MCP‑style integrations or context‑aware conversational experiences.

We are offering

• Good compensation - Competitive € salary plus benefits package.
•  Development opportunities.
• Challenging but also a friendly working environment.
• And much, much more...

About Proximus Global

Proximus Global, combining the strengths of Telesign, BICS, and Route Mobile, is transforming the future of communications and digital identity. Together, our solutions fuel innovation across the world’s largest companies and emerging brands. Our unrivalled global reach empowers businesses to create engaging experiences with built-in fraud protection across the entire customer lifecycle.

Our comprehensive suite of solutions – from our super network for voice, messaging, and data, to 5G and IoT; and from verification and intelligence to CPaaS for personalised omnichannel engagement – enables businesses and communities to thrive. Reaching over 5 billion subscribers, securing more than 180 billion transactions annually, and connecting 1,000+ destinations, we honour our commitment to connect, protect and engage everyone, everywhere.