Senior Mobile Engineer

ng-voice

ABOUT US Committed to building the next generation of 100% software-based mobile networks, combining DevOps with telecommunications expertise, ng-voice is creating innovative mobile infrastructure solutions and making them accessible for operators and enterprises that want to deploy future-proof networks.     We're hiring a talented Senior software engineer (m/f/d) to join our team in developing the next-gen features and applications for our IMS solution. As a Senior software engineer (m/f/d), you'll build complex applications, optimize solutions, and improve operational efficiency. The ideal candidate has expertise in telephony, Kamailio, SIP, Diameter, and cloud-native technologies like Kubernetes.  TASKS What you’ll do      * Develop the next generation of features and applications for our IMS solution using a test-driven development approach  * Collaborate with a passionate team to develop the next generation of features and applications  * Perform testing, validation, and optimization of solutions to ensure high-quality deliverables  * Identify opportunities to improve operational efficiency and propose innovative solutions  * Work with technologies such as Kamailio, Redis, MySQL, SIP, RTP, Diameter, C, Python, and Bash  * Opportunity to work on the full spectrum of IMS nodes: P-CSCF, S-CSCF, I-CSCF, RTP-Engine, MMTel, HSS, PCRF, DRA, BGCF, TOPOS, TADS, E-CSCF  * Understand 3GPP specs and incline the IMS solution to the standards  REQUIREMENTS Our ideal new colleague      * Strong programming skills in Kamailio, and knowledge of Go or Python is considered a plus. * Experience with Kamailio is highly desired but not a must * Knowledge of telephony and signaling standards, such as SIP and Diameter  * Experienced and very comfortable working on UNIX/Linux operating systems  * Strong problem-solving and analytical skills  * Self-motivated and able to work autonomously  * Ability to adapt to a fast-paced and dynamic work environment  * Proficiency in English  BENEFITS A little more about our culture and why you should join   * Work-Life-Balance is a priority: Flexible working that suits you - we live and breathe a hybrid remote culture and don't mind where and when you work    * We are committed to building a diverse team that represents a variety of backgrounds, perspectives, and skills in a traditionally not very diverse industry    * We offer you the culture of a fast-growing start-up with the maturity of an enterprise company * We are more interested in your experience and knowledge than formal degrees  * Entrepreneurial culture and flat hierarchies    * Mobility benefit, fitness benefit, language class benefit and wellness benefit (for full-time employees) * Home office budget (for full-time employees) #LI-MCI

Ziprecruiter

We offer a hybrid work environment. Most US-based positions can also be performed remotely (any exceptions will be noted in the Minimum Qualifications below.) Our Mission:  To actively connect people to their next great opportunity.  Who We Are:  ZipRecruiter is a leading online employment marketplace. Powered by AI-driven smart matching technology, the company actively connects millions of all-sized businesses and job seekers through innovative mobile, web, and email services, as well as through partnerships with the best job boards on the web. ZipRecruiter has the #1 rated job search app on iOS & Android. Summary: Our team has a unique opportunity to work on applications and data at scale, serving millions of jobseekers and tens of thousands of customers. We’re working on building an efficient marketplace of jobseekers and employers and need generalist software engineers to build fast, scalable, and effective applications, stream and batch data processing, ML infrastructure and a variety of other systems all to help connect people to their next job. We provide an essential service and have a thriving business as a result. Our stack is complex and we’re looking for engineers who know how to write evolvable, properly instrumented, and efficient code as part of a growing distributed system. We’re working on data driven systems and applications and need people who can build fast services and processes to power all of the intelligence we use to help change people’s lives. Responsibilities: * Build data processing and exploration pipelines along with ML infrastructure to power our intelligence * Deploy a range of cloud-based technologies for critical projects * Write, test, instrument, and deploy code to our Kubernetes environment * Help drive the innovation and evolution of ZipRecruiter Minimum Qualifications: * 5+ years of professional software development experience with a focus on big data technologies * Experience with Hadoop, Spark, Hive, and/or other big data technologies * Comprehensive computer science fundamentals in coding, object-oriented programming, data structures, and algorithms * Experience with containerization technologies like Docker and/or Kubernetes Preferred Qualifications: * 8+ years of professional software development experience, with a focus on big data technologies * BS/MS/PhD in Mathematics, Computer Science, Physics, related technical field or equivalent practical experience * Experience with data integration tools like Apache Kafka, Flume, and NiFi * Familiarity with data storage technologies such as Delta Lake, HBase, Cassandra, and MongoDB * Familiarity with Apache Hudi, Apache Beam, Apache Flink, Google Cloud Dataflow, Amazon Kinesis Data Analytics, and/or Azure Databricks As part of our team you’ll enjoy: * Competitive compensation * Exceptional benefits package * Flexible Vacation & Paid Time Off * Employer-matched 401(k) plan  The US base salary range for this full-time position is $140,000-$200,000. Our salary ranges are determined by role, level, and location, and the range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations. Within the range, individual pay is determined by work location, role-related knowledge and skills, depth of experience, relevant education or training, and additional role-related considerations. Depending on the position offered, equity, bonuses, commission, or other forms of compensation may also be provided as part of a total compensation package, in addition to a full range of medical, financial, and other benefits. #LI-Remote #LI-DA1 ZipRecruiter is proud to be an equal opportunity employer and provides equal employment opportunities (EEO) to all employees and applicants without regard to race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity or genetics. Privacy Notice: For information about ZipRecruiter's collection and processing of job applicant personal data for this job, please see our Privacy Notice at: https://www.ziprecruiter.com/careers/job-applicant-privacy-notice

Ziprecruiter

We offer a hybrid work environment. Most US-based positions can also be performed remotely (any exceptions will be noted in the Minimum Qualifications below.) Our Mission:  To actively connect people to their next great opportunity.  Who We Are:  ZipRecruiter is a leading online employment marketplace. Powered by AI-driven smart matching technology, the company actively connects millions of all-sized businesses and job seekers through innovative mobile, web, and email services, as well as through partnerships with the best job boards on the web. ZipRecruiter has the #1 rated job search app on iOS & Android. About the Team: Our team has a unique opportunity to work on applications at scale, serving millions of jobseekers and tens of thousands of customers. We’re working on building an efficient marketplace of jobseekers and employers and need full-stack engineers to build fast, scalable, and effective applications that help connect people to their next job. We provide an essential service and have a thriving business as a result. Our stack is complex and we’re looking for engineers who know how to write evolvable, properly instrumented, and efficient code as part of a growing distributed system. We’re working on mobile-first web applications and need people who can build fast and intuitive experiences. About the Job: * Design and implement user-facing web applications at scale and hold up to expansion of a diverse user base * Raise the bar in engineering innovation and the evolution of our approach to backend and front end development * Communicate and deliver complex, technical solutions to a variety of stakeholders both technical and non technical * Develop and maintain highly scalable and reliable web applications and user interfaces (UIs) to interact with complex backend systems to a consumer facing audience * Utilize product requirements and engage with cross functional teams to deliver rapidly evolving product in a timely manner Minimum Qualifications: * 5+ years of experience in full stack software development * Comprehensive computer science fundamentals in coding, object-oriented programming, data structures, and algorithms * Experience in client side development using ReactJS, Javascript, AngularJS, or other modern programming language * Experience building and developing large-scale user facing web applications  Preferred Qualifications: * 8+ years of experience in full stack software development * BS/MS/PhD in Mathematics, Computer Science, Physics, related technical field or equivalent practical experience As part of our team you’ll enjoy: * Competitive compensation * Exceptional benefits package * Flexible Vacation & Paid Time Off * Employer-matched 401(k) plan  The US base salary range for this full-time position is $140,000-$200,000. Our salary ranges are determined by role, level, and location, and the range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations. Within the range, individual pay is determined by work location, role-related knowledge and skills, depth of experience, relevant education or training, and additional role-related considerations. Depending on the position offered, equity, bonuses, commission, or other forms of compensation may also be provided as part of a total compensation package, in addition to a full range of medical, financial, and other benefits. #LI-Remote #LI-DA1 ZipRecruiter is proud to be an equal opportunity employer and provides equal employment opportunities (EEO) to all employees and applicants without regard to race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity or genetics. Privacy Notice: For information about ZipRecruiter's collection and processing of job applicant personal data for this job, please see our Privacy Notice at: https://www.ziprecruiter.com/careers/job-applicant-privacy-notice