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Job Title


Senior Software Engineer


Company : Ontik


Location : London, London


Created : 2025-12-22


Job Type : Full Time


Job Description

Senior Software EngineerTo be considered for an interview, please make sure your application is full in line with the job specs as found below.Location: Onsite, London, United KingdomType: Full-timeCompensation: Negotiable (Competitive salary + equity)About Ontik Ontik is an ambitious, early-stage B2B financial operations platform designed to streamline and simplify complex financial workflows for heavy duty industries. Were scaling rapidly and looking for top-tier engineers to join our team. Youll have the chance to work in a high-performance, ownership-driven environment, where you can make a direct impact on the product and help shape its future.Role overview As a Software Engineer (Full-Stack) at Ontik, youll play a pivotal role in building and scaling our financial operations platform. This is a hands-on, high-impact position where you will be directly responsible for delivering clean, scalable, and high-performance code. You will work closely with product managers, designers, and other engineers to solve complex problems and create intuitive solutions that help simplify financial workflows for our users.Youll have the opportunity to own critical features and contribute to the overall architecture of our platform. Were looking for an engineer who thrives in a fast-paced environment, embraces ownership, and is passionate about building software that makes a real difference. If you enjoy working with cutting-edge technologies, solving challenging problems, and iterating quickly in a collaborative environment, wed love to hear from you.Essential experience5+ years of experience in software engineering, ideally with some experience in a startup environment.A proactive, ownership-oriented attitude with the ability to take initiative and drive projects forwardProficiency in full-stack development using any object oriented language (we use .NET) and any modern javascript framework (we use React)Experience working with databases (SQL and NoSQL), APIs, and web technologies.Experience with cloud platforms (AWS, GCP, Azure)Solid understanding of software engineering principles, including clean code, testing, and version control (git).Strong problem-solving skills and the ability to break down complex technical issues and deliver simple, effective solutions.A collaborative mindset, with the ability to work closely with cross-functional teams to deliver high-quality productsExcellent communication skills to articulate technical concepts to both technical and non-technical team membersA passion for building robust, efficient software and a desire to continuously improve your skills and knowledgeFamiliarity with financial technologies, payment systems, or SaaS productsExperience with continuous integration/continuous deployment (CI/CD) pipelinesDesirableExperience delivering challenging integrations with 3rd party systemsUnderstanding of event-driven system designWhy Ontik?At Ontik, we embrace a high-performance, ownership-driven culture where every team member plays a critical role in our success. We move quickly, take responsibility for our work, and continually strive for excellence. xjdpvnf As a Software Engineer, youll have the opportunity to take ownership of key features, work with brilliant colleagues, and make a tangible impact on the future of our platform. If youre ready to solve challenging problems, build innovative solutions, and contribute to a fast-growing startup, Ontik is the place for you.