דרושים » מדעים מדוייקים » Senior Full Stack Developer - Payments

We're seeking an experienced Full-Stack engineer proficient in both front and back-end programming, dedicated to leveraging technology for impactful product development. As a key member of the application team, your role involves designing and developing scalable front-end solutions, web architecture, and end-to-end platform services. Collaboration with product managers, UX/UI designers, and Geo-information analysts is essential to deliver robust features.



Responsibilities

Build top-notch, scalable, and reusable code, adhering to best practices in software engineering, architecture, and processes, including code reviews and testing.
Take complete ownership of new features, collaborating with PMs to define requirements, design scalable solutions, and iteratively enhance them based on user feedback.
Lead the development and maintenance of microservices, contributing to the evolution of our architecture for enhanced scalability and modularity.
Collaborate closely with cross-functional teams to define, design, and deliver high-quality software applications that align with both technical and business requirements.

What will you actually be doing?
Designing, developing, testing, deploying, and maintaining web applications using modern front-end and back-end technologies, including Node.js, React, TypeScript, JavaScript, and Python.
Leveraging AI-powered development tools such as Claude Code to accelerate development workflows, automate repetitive tasks, and improve code quality.
Leading server-side development using microservices architecture to ensure scalable and robust application performance.
Driving the design and implementation of micro frontend architecture, leveraging the industrys latest trends.
Mentoring junior and mid-level engineers through code reviews, pair programming, and technical guidance.
Collaborating with cross-functional teams, including product managers, designers, and other developers, to define technical direction and deliver high-quality applications.
Making architectural decisions and championing engineering best practices across the team.
Integrating AI and LLM capabilities into development pipelines and product features where applicable.

As a Senior Full Stack Engineer in our Payments Team, you'll design, develop, and maintain mission-critical payment processing solutions. You'll work closely with cross-functional teams to deliver reliable, scalable payment systems that power our core business.
Responsibilities
Own the full development lifecycle from architecture to deployment, with emphasis on backend systems
Design and implement high-performance RESTful APIs for internal and external integrations
Optimize backend infrastructure for low latency, high availability, and reliability
Provide technical mentorship to developers and contribute to code reviews
Work with product managers and stakeholders to deliver features in an Agile environment
Identify and resolve performance bottlenecks and bugs in production systems
Drive technical strategy and architectural decisions

If youre looking for a place where innovation is celebrated, culture actually means something, and smart people challenge you to be better every day - our company might be exactly what youve been looking for.
What Youll Do
Own full-stack feature development from ideation to production, including architecture, implementation, testing, and deployment
Make independent tradeoff decisions, balancing speed, scale, maintainability, and user value
Collaborate across engineering, product, and design to align on priorities, timelines, and technical solutions
Working through ambiguity by framing constraints, narrowing options, and proposing actionable solutions
Deliver clear technical outcomes and help translate them into measurable business impact.

we are looking for a brilliant, curious and creative Senior Full-Stack Engineer with a passion for data thats ready to take on a huge opportunity to solve tax, and save people time and money. If youre all that and looking to lead, invent, and grow professionally you should definitely consider applying to join us on our journey.

Key Responsibilities

Lead and own full-cycle (from idea to production) projects that are directly used by and impact millions of people

Work closely with the product & UX to define product requirements and execute the development plans

Design system architectures, select/ evaluate tools

Build cloud-native microservices

Mentor, and grow the team, our practices, and our technology stack

We are looking for a full-stack software engineer to join our team!
Youll be joining a squad focused on building features for our large-scale multi-tenant system, enabling our customers to better manage their business, infrastructure, and security.
Responsibilities:
As a Full-Stack Developer, you must be comfortable with front-end (Angular) and back-end (C# .Net Core) development. You will build end-to-end solutions encompassing web/back-end development, monitoring, scaling and optimizing to make the products simple at a massive scale.
You will be empowered to drive innovation by coming up with new and exciting ideas to creatively solve issues and proactively look for opportunities to improve the design, interface, and architecture of our cloud platform.

we are on a mission to bring identity security everywhere - to every human, machine, and AI agent, both on-prem and in the cloud.
Our unique technology secures identities & access at runtime, in ways that werent possible before. With the broadest identity security platform in the market, trusted by more than 1,000 customers including many Fortune 100 companies, we are uniquely positioned to lead the fast-growing identity security category.
Joining our company means becoming part of a fast-moving team with a culture of innovation and collaboration, that goes above and beyond to help our customers and each other, on a journey to reshape the future of identity security.
We are looking for a Full Stack Software Engineer to join us. As a Full Stack Software Engineer at our company, you will work across the stack, from backend services that process and analyze large-scale security data to a modern frontend that transforms complex information into intuitive, actionable workflows. You will design and maintain high-performance systems that process millions of authentication events daily, ensuring reliability, scalability, and real-time insights. 
Responsibilities
Design and deliver end-to-end features across high-performance systems
Architect and build scalable services for processing, analyzing, and exposing large-scale security data
Develop advanced security engines with a focus on performance, scalability, and reliability
Own features end-to-end, from design through production and continuous improvement
Collaborate closely with product, support, and cross-functional teams to deliver high-impact solutions.

our core technology combines an advanced visual capture infrastructure, cloud-based automated post-production processes, a scalable streaming platform, and proprietary application layers that utilize GPU shader video rendering and animations. Our platform includes modern full-stack development and integrations to the world's e-commerce, catering to the scale and standardization demanded by the world's largest enterprise brands.
What does it mean to be a developer at our company?
Being a developer at our company means connecting with the business at large, rather than focusing solely on a specific niche. You'll collaborate with various departments, and the developments you contribute to will reach millions of end-users.
We value expanding skill sets, discovering new areas of excellence, and pursuing passions over rigid job titles like "senior frontend" or "junior full-stack."
Your true potential
CVs and resumes cant capture the full essence of who you are as a developer. We believe in looking beyond bullet points of projects and tech stacks to understand the person behind them. We prioritize how you think and solve problems over specific programming languages and their quirks.
Our ideal candidates are curious, creative thinkers, and continuous learners with a passion for technology. If you thrive on learning by doing, love taking on exciting challenges, and enjoy exploring new territories, then our company is the place for you.
WHAT WILL YOU DO
Become an expert in JavaScript in subjects like rendering, I/O handling, and data processing.
Contribute to every part of our stack - from working with SQL databases to building microservices to crafting complex UI.
Have full ownership and responsibility over your feature work.
Collaborate with almost every other department in the company.
Shape the future of eCommerce - and have fun doing so.
Be part of a team delivering features to millions of viewers.

About the role:
As our Full Stack Engineer at our company, you design and develop both back-end and front-end components to enhance our companys gifting platform. You are responsible for delivering high-quality features on time, building robust infrastructure, and implementing secure, scalable solutions across our cloud-based SaaS platform. Working with Tech Stack: React, OpenAPI, Node.js, TypeScript, Serverless, Kafka, you collaborate within a cross-functional team to solve technical challenges, deliver continuous value in smaller increments, and improve the user experience. You are expected to stay current with modern tools - including AI - and apply them thoughtfully to boost efficiency and impact.
You will
Partner with product managers, designers, and analysts to deeply understand the needs of our users and build a product that serves those needs
Take full ownership of engineering projects from design to implementation to deployment and maintenance
Design and build software used by thousands of customers
Write modular, secure, and well-tested code
Ensure that our development environment is best in class by delivering improvements to internal tooling and processes
Work closely with customer support to respond quickly to issues for our users and solve those in a permanent and scalable way
Improve the team and company - you will be an active participant in our culture.

We are looking for an experienced Full-Stack Engineer with strong backend expertise to join our growing Sales R&D team in Tel Aviv. This is a backend-leaning role focused on building and maintaining high-performance systems while contributing across full-stack services. As part of our team, youll drive the evolution of our Sales platform, take end-to-end ownership of impactful features, and contribute to an AI-first engineering culture that embraces automation, intelligent tooling, and continuous improvement. You will play a key role in improving product quality, engineering productivity, and system reliability as we support rapid business growth.
Responsibilities:
Design and deliver end-to-end features across backend services and frontend applications, with strong emphasis on backend architecture, data integrity, and system reliability.
Develop and maintain SPA web applications for admin and product platforms using React + TypeScript and Next.js, including contributing to the modernization of legacy Ruby components.
Develop and maintain backend services across Python (FastAPI) and Node.js (NestJS) microservices, ensuring strong performance, robust data management, and ongoing modernization efforts.
Design, implement, and maintain reliable REST APIs with clear contracts, validation, and consistent error handling.
Work with complex relational data models, continuously improving query performance and data reliability.
Lead investigations and root-cause analysis for performance, optimization, and production-related issues, driving long-term improvements.
Collaborate closely with frontend, backend, QA, and product teams in a multi-repo environment, including active code reviews and cross-site collaboration with our Boston engineering team.
Take ownership of code quality and production stability by writing automated tests (e.g., pytest, Jest) and driving issues from investigation through resolution and prevention.