Do you thrive on precision and enjoy solving complex problems? Are you excited by the challenge of ensuring data correctness at scale? Join KOR, a VC-backed fintech innovating financial markets with cutting-edge solutions for regulatory trade reporting. About us We are a VC backed fintech with a live product in the regulatory trade reporting space and growing list of institutional clients. Our product journey has started in the US with expanded services covering Canada, UK, EU, Australia and Singapore. If you want to join a scale-up that is going to provide growth and ownership, keep reading. KOR is built on leading-edge cloud technology by industry domain experts and world-class in-house engineering. We're on a mission to innovate B2B trade servicing starting with regulatory reporting in time for a global wave of mandated changes hitting all segments of market participants across OTC derivatives transactions. We’re solving the most challenging problems around by bringing fresh designs and solutions to data utility, quality, and processing inefficiencies. . . while unlocking insane value for clients. Teamwork and laser focus are central to everything we do at KOR. With the right support, we believe small independent teams with deep expertise achieve better results and encourage skilled people to take responsibility and grow their careers. We live by the mantra of work humble, work smart, and work together. About you You have a passion for high-quality, reliable, and maintainable code. You're agile, embrace feedback, and are not afraid to identify what we're doing wrong so we can fix it and what we're doing right to improve on it. Above all, you judge your success by the success of your team and the happiness of our customers. About the role As a Backend Engineer in our Validator Team, you'll focus on maintaining and enhancing our custom-built validator engine. This system ensures regulatory messages sent to financial regulators meet stringent accuracy requirements. The engine uses a JSON-based DSL for both production rules and integration test scenarios, encompassing over a million hand-written test cases. This role involves: - Configuring and maintaining the validator engine to meet jurisdictional requirements. - Extending the rules engine (written in Java) to support new use cases. - Implementing, debugging, and refining JSON-based DSL rules for accuracy and compliance. - Using Claude Code and other AI tools responsibly to boost productivity. - Collaborating with other team members to support ten jurisdictions. - Ensuring thorough testing and validation of all configurations. About You We’re looking for candidates who are: - Detail-oriented perfectionists who take pride in covering all their bases. - Energized by solving repetitive, complex problems systematically. - Open to coaching by senior engineers with deep experience. - Excellent communicators with strong English skills. - Assertive team players who value collaboration. - Bachelor's Degree or higher in Engineering, Computer Science, or Information Technology. - Residing in or near the CET time zone (including Eastern Europe). - Passionate for delivering high-quality, maintainable code. - A minimum of 3+ years of experience as a Backend Engineer. - Experienced with Java and Spring Boot Framework, and eager to learn quickly under mentorship. - Demonstrating a firm reliance on unit testing and mocking frameworks. - Self-motivated and take ownership of their work. While prior experience with DSLs or regulatory systems is a plus, it’s not required. What matters most is your enthusiasm to learn and deliver excellence. What we have to offer Depending on you and your priorities, we offer the following: - Mentorship by senior engineers with experience at companies like Pivotal (including ex-Spring team members), VMware, Confluent (including Kafka committers), and Apple. - The chance to join a rapidly growing team with the opportunity to move into the broader engineering organization. - A collaborative, remote-friendly environment. - Culture of trust, kindness, empowerment, and constructive feedback. - Competitive salary, great IT equipment, and expense allowance. - Flexible working times. - Fully Remote. - A span of control that matches your ambitions and skills. Above and beyond this, we will provide a commitment to a genuine, balanced relationship. We will listen to you, take your needs and wishes seriously, and work to help you grow professionally. Apply Now If you’re excited by the prospect of building a career with us and playing a key role in innovating financial markets, we’d love to hear from you. Reach out today for a chat!

• Own and evolve the backend architecture for IoT projects: from data ingestion pipelines to API design to infrastructure decisions • Make technical trade-off decisions and defend them clearly to the team and to clients • Design and maintain cloud infrastructure on AWS (EKS, Aurora, DynamoDB, Timestream, S3) with production-grade reliability • Lead technical discussions: RFCs, architecture reviews, post-mortems. Not because someone asked you to, but because you see the need • Mentor other backend engineers, raise the bar on code quality, and set patterns others can follow • Collaborate closely with firmware engineers, mobile developers, QA, PMs, and clients • Use AI tools as part of your daily workflow, not as a party trick • Challenge product and technical assumptions when something doesn’t make sense, even if it means a harder conversation

Role Database Engineer II Function Database developer For Backend Mandatory Skills RDBMS platforms (PostgreSQL, MySQL, Oracle, SQL Server, etc.), Unix, GIT, Agile/Scrum. Experience 2-4 yrs. Education Graduate (Technology) ________________________________________ About the Role: As a Database Engineer, you will be part of a dynamic team supporting the Tax Information Reporting Suite and Core Services data processing. In this role, you will design and optimize database solutions that power critical business applications. You’ll work on data modeling, query optimization, performance tuning, and cross‑platform database development across RDBMS and NoSQL databases. You will collaborate closely with cross‑functional teams to support application development, database deployments, and production troubleshooting. This role offers an excellent opportunity to deepen your expertise in database engineering, learn industry best practices, and build scalable, high‑performance data solutions in a fast‑paced environment. ________________________________________ What You Will Be Doing: • Design, develop, and optimize SQL queries, stored procedures, functions, and database objects across major RDBMS platforms (PostgreSQL, MySQL, Oracle, SQL Server, etc.). • Build and optimize SQL queries, data access layers, and backend processing workflows. • Investigate and resolve production issues, perform root cause analysis and implement long term fixes. • Develop, enhance, and maintain backend services within the TIRS platform. • Perform data modeling, schema design, normalization, and indexing to support application requirements and improve performance. • Troubleshoot and resolve database performance issues, query bottlenecks, and data integrity problems. • Work with Development teams to support database changes, deployments, and version control in development and production environments. • Utilize Unix/Linux commands for file handling, automation, logs, and running database tools/scripts. • Support integration efforts, automation initiatives, and backend performance improvements. • Follow coding standards, documentation practices, and contribute to continuous improvement activities. ________________________________________ What You Bring: • Bachelor’s degree in Computer Science, Information Technology, or a related field. • Strong expertise in SQL with the ability to write, optimize, and troubleshoot complex queries, stored procedures, functions, and database objects. • Hands-on experience with major RDBMS platforms such as PostgreSQL, MySQL, Oracle, and SQL Server. • Solid understanding of data modeling, normalization, schema design, and indexing strategies to support scalable and high‑performance applications. • Experience diagnosing and resolving database performance issues, including query tuning and troubleshooting bottlenecks. • Familiarity with working alongside development teams to support database changes, deployments, and version control processes across environments. • Proficiency with Unix/Linux commands for file handling, automation, log analysis, and executing database scripts/tools. • Strong analytical and problem‑solving skills with a proactive approach to learning new technologies and tools. • Ability to collaborate effectively within cross‑functional teams and contribute to a positive, growth‑driven work culture. • Self‑motivated, adaptable, and committed to continuous improvement. ________________________________________ What We Offer You: • A role that provides hands-on experience and learning opportunities in fintech. • Access to professional development programs and mentorship. • Competitive salary and benefits. • A collaborative and inclusive work culture. At Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus. Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself. We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.

Role Description We are looking for a Ruby on Rails Developer to work on our web application. Rails is central to our stack and you will be working on meaningful features that affect real users. - Develop and maintain Ruby on Rails web applications. - Build and document RESTful APIs. - Write tests and maintain high code coverage. - Collaborate with designers, frontend developers, and DevOps. - Participate in architecture discussions and code reviews. Qualifications - 3+ years of Ruby on Rails experience. - Strong understanding of MVC patterns and REST API design. - Experience with PostgreSQL or MySQL. - Familiarity with background job processing (Sidekiq or similar). - Comfortable with Git and remote engineering workflows.