Performance Modeling Engineer 2 Jobs

Join Truecaller – The place where innovation meets impact! Truecaller's mission is to build trust in communication by making it safer, smarter, and more efficient. Born in Sweden, trusted by the world, and here’s why we stand out: We are trusted by over 500 million active users every month across 190+ countries We identify over 15 billion calls daily, helping users avoid spam and scams We are powered by a team of 400+ employees from 45+ nationalities We always look for people who take initiative, own their work, and keep raising the bar. An entrepreneurial mindset matters here, especially when it turns bold ideas into real actions. We stay collaborative and focused, always searching for smarter paths forward. If you want to make an impact and grow with a team that inspires millions, you’ll fit right in. The role: As a Senior Software Engineer, iOS, you will have an impact on how our users use the iOS app. You will be working on the whole app from authentication to the search feature, and you will also work very closely with all the other teams in the company to achieve our company vision: enabling each person or business to maintain a secure and trusted online identity. What you will do Design, develop, and maintain the company's iOS application Collaborate with cross-functional teams to define, design, and ship new features Ensure the performance, quality, and responsiveness of the app Debug complex technical issues and identify solutions to improve the app Stay up-to-date with new technologies and trends in iOS development Write clean, maintainable, and scalable code Participate in code reviews and ensure adherence to coding standards Contribute to the technical design and architecture of the app Participate in the full software development life cycle, including planning, development, testing, and deployment. Mentor and guide experienced engineers, helping them develop both technically and culturally. What you bring in 6+ years of overall experience with iOS

Join Truecaller – The place where innovation meets impact! Truecaller's mission is to build trust in communication by making it safer, smarter, and more efficient. Born in Sweden, trusted by the world, and here’s why we stand out: We are trusted by over 500 million active users every month across 190+ countries We identify over 15 billion calls daily, helping users avoid spam and scams We are powered by a team of 400+ employees from 45+ nationalities We always look for people who take initiative, own their work, and keep raising the bar. An entrepreneurial mindset matters here, especially when it turns bold ideas into real actions. We stay collaborative and focused, always searching for smarter paths forward. If you want to make an impact and grow with a team that inspires millions, you’ll fit right in. The role: As a Software Engineer, Backend, you will drive the health of the platform by developing the core, high-traffic backend services that shape feature delivery and strengthen the user experience. You will play a key role throughout the mobile ecosystem, from early discovery and technical planning through to release and continuous improvement. You will collaborate with a cross-functional group to ensure dependable delivery, smoother interactions, and stable performance at scale. What you’ll do: Develop, test, and deploy features for core, high-traffic backend services aligned to business expectations and company standards. Take ownership of assigned projects and engineering tasks, ensuring their timely implementation. Keep stakeholders informed about current progress, potential blockers, and delays that might affect delivery. Take responsibility for the deliverable's quality from both functional and non-functional perspectives. Actively contribute to the stability and maintainability of the production environment. Collaborate to continuously improve team processes and system performance, learning and following best practices along the way. What you

AI Tech Lead – Manager Experience- 8-12 years Job Overview: We are seeking a highly experienced AI Tech Lead to design, develop, and deliver scalable AI-driven applications while leading cross-functional teams. The role involves end-to-end ownership of AI solutions, including architecture design, deployment, and optimization, ensuring alignment with business objectives. The candidate will collaborate with stakeholders, data engineering teams, and product management to build enterprise-grade AI systems leveraging modern cloud and AI technologies. Key Responsibilities / (Person Specifications): Lead implementation and delivery of AI applications across teams. Design end-to-end AI architectures integrating open-source and enterprise tools. Translate business requirements into scalable AI solutions. Define architecture roadmaps and best practices. Build data pipelines, CI/CD, and monitoring systems. Deploy scalable systems using Docker and Kubernetes. Ensure performance, scalability, and security. Mentor teams and drive knowledge sharing. Key Skills / Job Specifications (Mandatory): AI frameworks: LangGraph, AutoGen, CrewAI. Strong Python with TensorFlow, PyTorch, Keras. Knowledge of NLP & Deep Learning (RNN, CNN, LSTM, Transformers). Cloud platforms: AWS / Azure / GCP. Docker, Kubernetes, CI/CD tools. Terraform / CloudFormation (IaC). SQL & NoSQL databases. Distributed systems, REST APIs, GraphQL, microservices.

Fanatics Commerce is the global leader in licensed sports merchandise, operating a vertically integrated platform that designs, manufactures, and delivers officially licensed apparel, jerseys, headwear, and collectibles for major leagues, teams, and events worldwide. With more than 900 e-commerce sites and a global omnichannel presence across digital, in-venue, and retail, Fanatics Commerce reaches fans in over 180 countries and powers official fan experiences for many of the world's most iconic sports properties. At Fanatics, we bring our BOLD Leadership Principles to life every day - building championship teams, obsessing over fans, acting with entrepreneurial speed, and delivering with a determined and relentless mindset. ROLE OVERVIEW The General Manager will lead the full store team at Fanatics' flagship NBA Store on Oxford Street, driving sales performance, maintaining first-class commercial and visual standards, and ensuring the store is always ready for product launches and key NBA calendar moments. Working closely with Retail Operations and Merchandising teams, this role integrates flagship trading with the broader NBA calendar, including season tip-off, playoffs, and international games. The General Manager delivers business and fan impact through BOLD leadership and execution excellence, leveraging data, automation, and AI-enabled insights. HOW WILL YOU DRIVE IMPACT Success is measured by the ability to deliver results through BOLD capabilities and measurable outcomes. Team & Leadership Impact (Build Championship Teams) Cross-Functional Leadership: • Partner with Retail Operations, Merchandising, Stock, and Visual Merchandising functions to ensure seamless product launches, peak trading preparation, and alignment to the NBA calendar. • Maintain effective communication with head office functions and wider business stakeholders to ensure the flagship operation integrates with broader commercial priorities. People Leadership: • Lead, motivate, and

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We are hiring a Senior AI Platform Engineer to our Product Development team in Brazil ! This is a Remote – Brazil position, meaning you can work from anywhere within the country. Please note that this role is only open to candidates in Brazil. Join the ML Development Lifecycle team within our Product Development (PD) organisation, where we are redefining how a global tech company leverages intelligence. We build the foundations that allow hundreds of engineers and data scientists to develop and deploy AI at scale. You will own the evolution of our cloud-native ecosystem , creating a seamless and high-performance environment for the next generation of AI-driven products. If you are a software-minded engineer who thrives at the intersection of scalable Infrastructure and ML/AI orchestration, this is your chance to build a world-class platform that serves millions of users worldwide. YOUR IMPACT Scale the Ecosystem: Evolve and maintain our Kubeflow, Feast and Spark-on-Kubernetes infrastructure, ensuring it can handle the increasing complexity of both traditional ML and the new wave of AI. Build for Autonomy:

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We are hiring a Partner Success Supervisor for our PARTNER EXPERIENCE (PEx) team in São Paulo ! This role leads the Retention Squad — a specialized team focused on preventing churn, recovering lost partners, and maintaining a healthy, growing active partner base. The squad handles 500+ tickets/month across churn prevention, win-back actions, expansion, and value proposition re-education. As Retention Coordinator, you will split your time between direct execution (70% — working the Retention queue hands-on) and team leadership (30% — coordinating squad priorities, quality, and coverage). You bring both the commercial judgment to handle complex retention cases and the people leadership to keep a global team performing consistently. This is a global-scope role. You will work closely with cross-functional and international stakeholders, and English is the primary language for team alignment, reporting, and YOUR IMPACT Lead a Global Retention Squad: Own weekly team rituals, bi-weekly 1:1s, performance reports, follow-ups, and structural escalations in English . Own Churn Prevention Cases: Engage directly with partners who have

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We are hiring a Senior Backend Software Engineer to join our Identity Experience (IDX) team in Brazil ! This is a Remote – Brazil position, meaning you can work from anywhere within the country. Please note that this role is only open to candidates in Brazil. We’re looking for an autonomous and resourceful Senior Software Engineer to join our international Identity Experience (IDX) team. The IDX team owns critical services at the heart of our product, including account creation, account management, account recovery, permissions management, and more. In this role, you’ll build features that sit at the spine of the product and power experiences used by millions of users. You’ll tackle complex engineering challenges where performance, reliability, and scalability are essential, while designing and evolving systems built to operate at massive scale. You’ll also play a key role in driving our AI transformation, leveraging your experience with AI-assisted development to raise engineering standards, accelerate delivery, and build seamless, reliable identity experiences. THE OPPORTUNITY Drive and own critical core identity services, including

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We are hiring a Retention Coordinator for our PARTNER EXPERIENCE (PEx) team in São Paulo ! This role leads the Retention Squad — a specialized team focused on preventing churn, recovering lost partners, and maintaining a healthy, growing active partner base. The squad handles 500+ tickets/month across churn prevention, win-back actions, expansion, and value proposition re-education. As Retention Coordinator, you will split your time between direct execution (70% — working the Retention queue hands-on) and team leadership (30% — coordinating squad priorities, quality, and coverage). You bring both the commercial judgment to handle complex retention cases and the people leadership to keep a global team performing consistently. This is a global-scope role. You will work closely with cross-functional and international stakeholders, and English is the primary language for team alignment, reporting, and YOUR IMPACT Lead a Global Retention Squad: Own weekly team rituals, bi-weekly 1:1s, performance reports, follow-ups, and structural escalations in English . Own Churn Prevention Cases: Engage directly with partners who have requested c

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We are hiring a Channel Partner Director to our Channel Partners team in Brazil ! Reporting directly to the area's senior leadership, you will play a key role in executing the channel strategy and leading the commercial team. At Wellhub, we recognize that our channel partners are a vital element of our ecosystem. We are building a dedicated team to strengthen and expand our strategic partnerships, ensuring each collaboration is not only sustainable but also mutually beneficial. Our Channel Partners team is diverse and dynamic, comprising experts in key areas across Commercial relationships, Performance Management, Marketing, and Strategic Projects. We are looking for a senior professional to translate our vision into actionable results—someone passionate about building lasting, impactful relationships and ready to drive mutual growth and constant innovation. YOUR IMPACT Drive and execute the indirect channel growth strategy, aligning distribution networks and partner ecosystems with the company's long-term business goals. Lead, motivate, and empower a dedicated team focused on channel success, fostering a collaborative, high-performance work enviro

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US 7card (by Wellhub*) is a leading player in Romania’s wellbeing market, trusted by over 1,000 corporate clients and supported by more than 600 wellbeing partners across 55+ cities. *In 2022, 7card was acquired by Wellhub, expanding our reach. Headquartered in NYC with team members in Europe, North America and South America, we’re now on a shared mission to make every company a wellness company. At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We’re hiring a Social Media Specialist for our Marketing team in Romania (Hybrid)! In this role, you'll lead Wellhub´s local social media strategy across Romania. You will own the planning, creation, and execution of culturally relevant content, collaborating closely with regional and global marketing teams, creators, and partners to amplify brand presence, drive community engagement, and continuously optimize performance using data-driven insights. YOUR IMPACT Own Local Social Media Strategy Drive end-to-end local social media strategy and social content calendar for Romania across Instagram, LinkedIn, and Youtube channels, aligning with global priorities. Lead social-first content creation, capturing event moments and directing designers, photographers, and videographers to produce high-quality assets. Establish and grow community engagement while building strong relationships wit

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We are hiring a Backend Software Engineering Manager to our MMS Users team in Brazil ! This is a Remote – Brazil position, meaning you can work from anywhere within the country. Please note that this role is only open to candidates in Brazil. Our team is responsible for the Marketplace Value Management Systems , which optimize the value delivered through the marketplace for both users and clients while maintaining healthy margins for Wellhub. We build sophisticated tools, services, and data pipelines that power critical marketplace capabilities, including pricing, plans, usage restrictions, product allocations, partner offers, and bulk client operations. YOUR IMPACT Participate in the development of some of the most critical and challenging services in our ecosystem, seeking to build long-term and sustainable solutions; Design, develop, test, deploy, maintain and improve services focusing on performance, scalability, and resilience; Build Integration with 3rd party API and tools; Support existing systems looking to enhance functionality, increase scale, and transform in new ways to meet our product demands; Work in a collaborative and

SmartBear delivers application integrity for modern tech stacks, ensuring continuous, measurable assurance that software just works as intended with governance to operate at AI speed and scale. SmartBear offers deep test automation, API lifecycle management, and observability capabilities. With integrations across the SDLC, it sets a new quality standard for application delivery teams. SmartBear is trusted by developers, testers, and software engineers across 32,000 organizations, including 75% of the largest financial institutions and industry leaders such as Adobe, JetBlue, and Microsoft. SmartBear’s open source tools are downloaded more than 100 million times a month and have earned over 30,000 GitHub stars from the developer community. With its best-loved brands, including Swagger, TestComplete, Reflect, QMetry, Zephyr, and more, SmartBear meets customers where they are to make our technology-driven world a better place. Learn more at www.smartbear.com , or follow us on LinkedIn , X , and Reddit . At SmartBear, you will be part of a dynamic team solving one of the most critical challenges facing modern businesses: ensuring the integrity of software in an AI-driven world. Whether you are working directly with customers, driving go to market strategies, supporting operations, building products, or enabling teams, your contributions help shape the future of software quality for organizations worldwide. Join us in our mission. Senior People Partner (HRBP) This is a pivotal role for SmartBear's India operations, combining hands-on HRBP partnership with company-wide accountability for statutory compliance. As HRBP to your assigned function, you'll partner with senior business leaders to align People & Culture strategies with business priorities, coach leaders on talent, performance, and organizational effectiveness, and drive strategic people initiatives that build high-performing, engaged, and inclusive teams. You'll also serve as India's statutory complian

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We are hiring a Staff Platform Engineer with a dedicated focus on our Observability ecosystem for our Platform area in Brazil ! This is a Remote – Brazil position, meaning you can work from anywhere within the country. Please note that this role is only open to candidates in Brazil. In an environment of rapid growth and high-scale distributed architecture, your mission is to transform Observability from a passive toolset into a strategic asset using open source standards. You will act as an architect of efficiency and reliability , building a global platform that empowers engineering teams to "own what they build" with confidence. We are moving beyond basic monitoring to build a comprehensive "Observability as a Service" ecosystem. You will be responsible for evolving a self-service platform that balances performance with cost-effectiveness, solving complex challenges related to high-cardinality metrics, log retention strategies, and distributed tracing. We strive to eliminate friction. You will design the "Golden Paths" that allow developers to instrument their code instantly and gain high-fidelity signals without operatio

SmartBear delivers application integrity for modern tech stacks, ensuring continuous, measurable assurance that software just works as intended with governance to operate at AI speed and scale. SmartBear offers deep test automation, API lifecycle management, and observability capabilities. With integrations across the SDLC, it sets a new quality standard for application delivery teams. SmartBear is trusted by developers, testers, and software engineers across 32,000 organizations, including 75% of the largest financial institutions and industry leaders such as Adobe, JetBlue, and Microsoft. SmartBear’s open source tools are downloaded more than 100 million times a month and have earned over 30,000 GitHub stars from the developer community. With its best-loved brands, including Swagger, TestComplete, Reflect, QMetry, Zephyr, and more, SmartBear meets customers where they are to make our technology-driven world a better place. Learn more at www.smartbear.com , or follow us on LinkedIn , X , and Reddit . At SmartBear, you will be part of a dynamic team solving one of the most critical challenges facing modern businesses: ensuring the integrity of software in an AI-driven world. Whether you are working directly with customers, driving go to market strategies, supporting operations, building products, or enabling teams, your contributions help shape the future of software quality for organizations worldwide. Join us in our mission. Senior Software Engineer – Java Solve challenging business problems and build highly scalable applications. Design, document and implement solutions in Java 8 and 17. Build and deploy services based on the AWS platform. Work with a high-performance team, working with continuous delivery and heavy test automation Product intro Zephyr provides test management capabilities to Atlassian products, working as a plugin/extension for Jira and Confluence, for managing both manual and automated testing processes. Using AI, users can transform thei

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We are hiring a Senior MLOps Engineer to our Product Development team in Brazil ! This is a Remote – Brazil position, meaning you can work from anywhere within the country. Please note that this role is only open to candidates in Brazil. Join the ML Development Lifecycle team within our Product Development (PD) organisation, where we are redefining how a global tech company leverages intelligence. We build the foundations that allow hundreds of engineers and data scientists to develop and deploy AI at scale. You will own the evolution of our cloud-native ecosystem , creating a seamless and high-performance environment for the next generation of AI-driven products. If you are a software-minded engineer who thrives at the intersection of scalable Infrastructure and ML/AI orchestration, this is your chance to build a world-class platform that serves millions of users worldwide. YOUR IMPACT Scale the Ecosystem: Evolve and maintain our Kubeflow, Feast and Spark-on-Kubernetes infrastructure, ensuring it can handle the increasing complexity of both traditional ML and the new wave of AI. Build for Autonomy: