# Sr. Software Engineer Remote from[Brazil](https://jobicy.com/job-region/brazil.md)Annual salary Undisclosed Salary information is not provided for this position. Check our [Salary Directory](https://jobicy.com/salaries.md) to estimate the average compensation for similar roles.Department [Software Engineering](https://jobicy.com/categories/engineering.md) Employment type Full Time, Job posted19 Jun 2026Apply before19 Jul 2026Experience level Senior Views / Applies 1604 / 345 [About company](https://jobicy.com/company/cint.md) [Share](#share) About [Cint](https://jobicy.com/company/cint.md) The World's Largest Global Research Marketplace connecting your research questions to the right people. * [Market Research](https://jobicy.com/company-category/market-research.md) * 1998 Actively Hiring Verified job posting This job post has been [manually reviewed](https://jobicy.com/tools/help-center/employee/how-does-jobicy-verify-the-legitimacy-of-remote-job-listings.md) for authenticity and compliance. Tailor Resume Check Job Fit Cover Letter ### Tailor my resume to this job Discover how to best rewrite and optimize your resume for this specific job. You'll receive personalized suggestions and detailed guidance to highlight your key strengths, effectively address the job requirements, and make your application more compelling to recruiters and hiring managers. After analyzing your resume, I can provide several recommendations to better position yourself for this role. Your background in software development shows strong technical skills, particularly in Java and Python development. However, for this Senior Backend Developer position, I notice there could be more emphasis on your experience with microservices architecture and cloud technologies, which are key requirements for this role. I recommend highlighting specific projects where you utilized these technologies and quantifying your achievements to demonstrate impact... Upgrade to Plus ### Am I a good fit for this job? Understand your compatibility with this specific job opportunity. Our detailed analysis will assess your resume against the role's requirements, providing insights into your potential fit, key skill alignments, and areas you might need to develop to be a strong candidate. After assessing your resume against the job requirements, here's a summary of your fit: 1. Overall Match: Moderate Fit (Approx. 65-70%). Your resume shows good alignment with several core responsibilities for the Project Manager role, especially your experience in agile methodologies and stakeholder communication. 2. Key Strengths: Your PMP certification and proven track record in delivering projects on time are strong assets for this position. 3. Potential Gap: The role specifies experience with 'XYZ specific software', which is not explicitly mentioned in your resume. If you have this experience, ensure it's highlighted. 4. Recommendation: Consider adding a quantifiable achievement related to budget management, as this is often a key metric for PM roles... Upgrade to Plus ### Cover Letter Assistant Need help writing a compelling cover letter? Our system can analyze this job and your resume to help you draft personalized paragraphs that highlight your strengths and impress hiring managers. Let me help you draft a strong opening... Dear Hiring Manager, I am writing to express my keen interest in the Senior Marketing Manager position. My background in developing data-driven marketing strategies and leading successful product launches, as detailed in my resume, directly aligns with your need for a candidate capable of enhancing brand visibility and driving market share growth. I am confident I can make a significant contribution to your team... Upgrade to Plus ### AI Summary Cint is seeking a Senior Software Engineer to join their Real-Time Engineering team, which focuses on building and maintaining a programmatic marketplace for research technology. The role involves writing high-quality code for products used by millions daily, requiring strong problem-solving skills and a results-driven mindset. The ideal candidate has 5+ years of backend development experience, with proficiency in languages like Java, C++, or Python, and a data science background is desirable. The team values collaboration, innovation, and accountability, and the position is remote-friendly. Cint is recognized as a top workplace and offers a supportive environment for growth. ### Role DNA Job Complexity Easy Hard AI Insight The role requires 5+ years of experience, expertise in large-scale systems, and the ability to handle high-traffic products, indicating a high level of difficulty. However, the company is open to various programming backgrounds, slightly reducing the bar. ### Salary Analysis Median Market Rate $150,000US Market $110k – 200k 0 $220k AI Insight The offered salary is not specified, but based on the senior level and location (remote US), the market range for a Senior Software Engineer is $110,000 to $200,000 annually. The median is estimated at $150,000, which is competitive for the role. ### Core Skills Required [Java](https://jobicy.com/jobs?search_keywords=Java.md) [AWS](https://jobicy.com/jobs?search_keywords=AWS.md) [Kubernetes](https://jobicy.com/jobs?search_keywords=Kubernetes.md) [Kinesis](https://jobicy.com/jobs?search_keywords=Kinesis.md) [SQL](https://jobicy.com/jobs?search_keywords=SQL.md) [Spring](https://jobicy.com/jobs?search_keywords=Spring.md) [Backend Development](https://jobicy.com/jobs?search_keywords=Backend+Development.md) [Data Science](https://jobicy.com/jobs?search_keywords=Data+Science.md) [Fraud Detection](https://jobicy.com/jobs?search_keywords=Fraud+Detection.md) [Problem Solving](https://jobicy.com/jobs?search_keywords=Problem+Solving.md) ### Cover Letter Sample Dear Hiring Team, I am excited to apply for the Senior Software Engineer position at Cint. With over 5 years of backend development experience and a strong background in building scalable systems, I am confident in my ability to contribute to the Real-Time Engineering team. I am particularly drawn to Cint's focus on innovation and collaboration, as well as the opportunity to work on products used by millions daily. My expertise in languages like Java and Python, combined with my problem-solving skills, aligns well with the requirements of this role. I have experience handling high-traffic systems and delivering high-quality code on time, and I am eager to bring my skills to Cint's programmatic marketplace. I look forward to the possibility of discussing how I can add value to your team. Thank you for your consideration. Sincerely, [Your Name] Copy ### Sample Interview Questions Describe a time you had to design a system to handle high traffic. What challenges did you face and how did you overcome them?I worked on a real-time bidding system that handled millions of requests per second. The main challenge was latency and data consistency. We used a distributed cache with Redis, implemented load balancing with AWS ELB, and used Kinesis for stream processing. We also added circuit breakers to prevent cascading failures.How would you approach improving traffic quality and combating fraud in a programmatic marketplace?I would implement real-time anomaly detection using machine learning models to flag suspicious patterns. Additionally, I would use device fingerprinting, IP reputation checks, and CAPTCHA for verification. Data enrichment with third-party fraud detection services could also help.Explain the difference between synchronous and asynchronous communication in microservices. When would you use each?Synchronous communication (e.g., HTTP/REST) is simpler and suitable for request-response patterns where immediate feedback is needed. Asynchronous (e.g., message queues like Kafka) is better for decoupling services, handling high throughput, and when tasks can be processed later. I would use async for event-driven architectures or when resilience is critical.How do you ensure code quality and maintainability in a fast-paced environment?I follow best practices like code reviews, unit testing, and continuous integration. I also advocate for clean code principles and design patterns. For maintainability, I ensure documentation and clear naming conventions. Automated testing helps catch issues early.Describe your experience with cloud services like AWS. How have you used them in previous projects?I have extensive experience with AWS, including EC2, S3, RDS, Lambda, and Kinesis. In a previous project, I used EC2 for compute, S3 for storage, Kinesis for real-time data streaming, and Lambda for serverless functions. This setup allowed us to scale automatically and reduce operational overhead. ## Company Description Who We Are Cint is a pioneer in research technology (ResTech). Our customers use the Cint platform to post questions and get answers from real people to build business strategies, confidently publish research, accurately measure the impact of digital advertising, and more. The Cint platform is built on a programmatic marketplace, which is the world’s largest, with nearly 300 million respondents in over 150 countries who consent to sharing their opinions, motivations, and behaviours. We are feeding the world’s curiosity! ## Job Description The Team The Real-Time Engineering team is looking for talented engineers to reinforce its bandwidth. We are a group of highly skilled and talented contributors who are not afraid of challenging tasks and have a broad experience of designing complex systems on large scale that are able to handle unconventionally high traffic. We enjoy a unique and thriving culture of support and collaboration, where each member of the team can feel supported. As a result, the whole team really enjoys spending time together not only at work, but also at various social occasions. What You Will Do We are a results-focused team, which is not just a cliche for us. We don’t engage in bullshit or politics, all that matters is the product and its delivery. The code you will write with us will have to be of top quality and delivered on time. You will get your hands on products that are used by millions of users every day and each mistake or downtime cost a lot of money. You will have similar top-level engineers as your team mates to help you ensuring that we deliver a world-class product together. ## Qualifications What We Are Looking For * 5+ years of hands-on professional backend software development experience * Data Science background very desirable * Experience with combating fraud and improving traffic quality very desirable * Proficient programming skills in one of the major programming languages * Proven experience as a Software Developer in their previous roles * Outstanding problem-solving and analytical skills * You enjoy pushing the limits of your knowledge and experience every day Nice to have: Java, AWS, k8s, Kinesis, SQL, Spring ## Additional Information Our main language is Java, but we don’t need you to have any experience with it. Are you coming here as an experienced C++/C#/Go/Python/anything developer? Excellent! As long as you’re ok with switching to Java, we want you on board! We don’t ask API documentation or language-specific questions in the interviews – instead, we want to know, how you approach different kind of problems and how you tackle them. #LI-JM1 #LI-remote Our Values Collaboration is our superpower * We uncover rich perspectives across the world * Success happens together * We deliver across borders. Innovation is in our blood * We’re pioneers in our industry * Our curiosity is insatiable * We bring the best ideas to life. We do what we say * We’re accountable for our work and actions * Excellence comes as standard * We’re open, honest and kind, always. We are caring * We learn from each other’s experiences * Stop and listen; every opinion matters * We embrace diversity, equity and inclusion. More About Cint We’re proud to be recognised in Newsweek’s 2025 Global Top 100 Most Loved Workplaces®, reflecting our commitment to a culture of trust, respect, and employee growth. In June 2021, Cint acquired Berlin-based GapFish – the world’s largest ISO certified online panel community in the DACH region – and in January 2022, completed the acquisition of US-based Lucid – a programmatic research technology platform that provides access to first-party survey data in over 110 countries. Cint Group AB (publ), listed on Nasdaq Stockholm, this growth has made Cint a strong global platform with teams across its many global offices, including Stockholm, London, New York, New Orleans, Singapore, Tokyo and Sydney. (www.cint.com) Additionally, in a world of AI, we want our candidates to understand our approach to the use of AI during the interview and hiring process, so we’d appreciate you reading our [AI usage guide](http://c.smartrecruiters.com/sr-company-attachments-prod-aws-dc5/655c6b17c74f682dfe4dd060/acaefd72-69c2-4bf5-8e9d-d848d701336b?r=s3-eu-central-1). Show more [Apply now >](https://jobicy.com/jobs/144167-sr-software-engineer-2.md) > Annual salary information is not provided for this position. Explore salary ranges for similar roles in our [Salary Directory ›](https://jobicy.com/salaries.md) * ![Upload CV](data:image/svg+xml;base64,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) ### Upload your resume now To unlock remote work opportunities and be discovered by global employers. 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