דרושים » חומרה » Senior Backend Developer

the original API Security vendor pioneering the market as the first vendor in 2018. Since then we have exhibited hyper-growth in a number of customers, threats stopped, and revenue. We saw API security as the security battleground of the future years ago as APIs started to form the foundation of the application innovation needed to drive business success today. Across banks, retail and transportation, IoT, autonomous vehicles, and smart cities, every modern app depends on APIs. Attackers realize APIs are the conduits to all sorts of valuable data and services within the year, APIs are predicted to be the number one application threat vector. Without secure APIs, businesses cannot rapidly innovate. has delivered the only patented solution to discover all APIs and their exposed data, stop API attackers, and provide remediation details for dev teams to write more secure APIs.
At Salt, were passionate about what we do. We work as a team and embrace new ideas, wherever they come from. We also enjoy all the benefits of a startup environment, including quickly seeing the results of your work, making an outsized impact on our company, and solving diverse challenges.
Want to make a big difference? We encourage you to apply!

Why join us NOW
APIs form the foundation of the application innovation needed to drive business success today. Across banks, retail and transportation, IoT, autonomous vehicles, and smart cities, every web and mobile app depends on APIs. Without secure APIs, businesses cannot innovate rapidly. has delivered the only patented solution to identify and prevent API attacks, using Big Data and AI to thwart this top threat to businesses today.
We are backed by the best investors in the world (YCombinator, S-Capital, Tenaya, Sequoia, Capital G, and more) and recently achieved a $1.4B valuation.
Were at a unique sweet spot in a startups lifecycle - the demand from customers is huge, yet our team is small and super high quality.
We are growing fast, and the opportunity window to join as a member of the core team is closing.
Our organizational structure is constantly evolving to meet our business needs, creating many opportunities for growth.

About the position
Our engineering team is made of strong, all-around players. We work across the full lifecycle of our solutions from researching capabilities in GCP, Azure, and AWS to building and testing systems in Go and deploying them in client environments. We develop solutions for API-capable platforms, integrate with third-party services, and extend them with our own add-ons. Quality is key we test thoroughly to ensure stability and reliability in real-world deployments.
Salts engineers are curious, independent, and focused on delivering well-crafted, impactful software.
To learn more about R&D, tap here!

Why should I join your team?
Meaningful work that directly impacts client production systems
Diverse and high-impact work across multiple cloud platforms and APIs
True ownership of full solution lifecycle from research to deployment
Fast learning and skill growth through varied and evolving tech challenges
Colla

We are looking for a passionate Senior Backend Developer to join our all-star team.
As part of your role, you will design, implement, and deploy products and infrastructures which will directly amplify our core business and enable new strategic growth opportunities. The backbone systems and data-pipelines youll build will serve millions of users, sustain extreme impression loads, and support sub-second ML prediction and on-the-go ML training.
This is an amazing opportunity to join a multi-disciplinary A-team while working in a fast-paced, data-oriented environment.
If you are experienced but still hungry to learn and impact - wed love to have you on our team!
What Youll Do:
All-around player through our vast data and prediction systems touching cloud infrastructure, data pipelines and aggregation, high-performance RTB bidders, and ML prediction infrastructure - over 50B events per day.
Design architecture and implement data pipelines to support high scale ingestion, augmentation, continuous ML training, and real-time prediction.
Design, implement, deploy and own end-to-end Cloud clusters, services, and infrastructure to support extreme workloads and traffic flow while maintaining a lean design and launch and forget methodology
As all our systems are data-driven you will have an analytical aspect in measuring your modules both business and performance-wise
Build internal dashboards and tools to democratize access to your modules and amplify other team members work
Joining our all-star team and working side by side with data-scientists and researchers, you will design, implement, bring to production and own end-to-end whole areas of business and system
Technological superiority is what gives us our edge so youll work and be up to date with the latest tech and trends.

our company, an early stage and well funded startup, is now looking for an experienced Backend developer to join a growing and dynamic R&D team. we are revolutionizing the way shipping companies operatereplacing outdated manual work with smart, AI-powered tools that bring them into the future of global trade. We offer an AI-based pricing optimization and shipment automation web platform designed to eliminate inefficiencies regarding freight pricing, placement, and shipping in general.
At our company, we put smart technology at the heart of everything we do. Our R&D teams push, embrace, and actively encourage the use of coding assistants and AI-driven development to transform the shipping industry. Were always improving how we workadopting modern development practices that help us move faster, write better code, and collaborate more effectively. This is your chance to join early, make a real impact, and grow with a team thats shaping the future of global logistics.
As a Backend Developer at our company, youll be building powerful features that push the boundaries of what technology can do in global trade. You'll work alongside a talented and diverse team of engineers, product minds, QA specialists, and domain expertseach bringing deep knowledge and fresh perspectives. In this role, youll take full ownership of complex backend systems, designing and developing robust server-side architecture from start to finish. We value independence, accountability, and the drive to turn ambitious ideas into production-ready reality.
Roles & Responsibilities:
Write scalable server-side code using Python.
Work in AWS cloud environment
Implement and maintain RESTful APIs for seamless communication between FE and BE.
Work with rational/nosql/objectstores such as MongoDB, PostgreSQL, Neptune, s3 to store and retrieve data
Write clean, readable, quality and testable code writing.
Test and debug applications to ensure high quality and performance.
Review pull requests to ensure high quality and maintainable solutions.
Seeing through a project from conception to delivery.
Follow-up on new evolutions of technology and take initiative to understand how the development will look tomorrow and help us get there.

We're looking for a Senior Backend Engineer to join our Platform Engineering group!
A day in the life and how youll make an impact:
Were a team within the Platform Engineering group, focused on building the foundations that power both our companys product and developer experience. Our work spans two main areas: core services like authentication, file management, and a communication platform used to reach our company users and partners; and developer experience, where we define how services are built and run - from infrastructure standards and CI/CD to deployment and observability.
We collaborate closely with all R&D teams and the architecture group, with broad influence and visibility across the company. Its an environment where strong engineers can lead, shape decisions, and make a lasting impact on how engineering is done.
Youll work side-by-side with experienced engineers to design and evolve core infrastructure and backend services that impact the entire R&D org.
Youll collaborate with other teams to answer questions, guide best practices, and help engineers get unstuck - earning trust as a go-to person for platform expertise.
Youll participate in thoughtful technical discussions, helping raise the bar for engineering quality across the board.
Youll have the freedom to innovate, take risks, and influence tech decisions with a long-term, org-wide mindset.

the all-in-one payroll and HR platform for global teams. Our vision is to unlock global opportunity for every person, team, and business. Built for the way the world works today, combines HRIS, payroll, compliance, benefits, performance, and equipment management into one seamless platform. With AI-powered tools and a fully owned payroll infrastructure, supports every worker type in 100+ countrieshelping businesses scale smarter, faster, and more compliantly.
Among the largest globally distributed companies in the world, our team of 5,000 spans more than 100 countries, speaks 74 languages, and brings a connected and dynamic culture that drives continuous learning and innovation for our customers.

Why should you be part of our success story?
As the fastest-growing Software as a Service (SaaS) company in history, is transforming how global talent connects with world-class companies breaking down borders that have traditionally limited both hiring and career opportunities. We're not just building software; we're creating the infrastructure for the future of work, enabling a more diverse and inclusive global economy. In 2024 alone, we paid $11.2 billion to workers in nearly 100 currencies and provided healthcare and benefits to workers in 109 countriesensuring people get paid and protected, no matter where they are.
Our momentum is reflected in our achievements and customer satisfaction: CNBC Disruptor 50, Forbes Cloud 100, Deloitte Fast 500, and repeated recognition on Y Combinators top companies list all while maintaining a 4.83 average rating from 15,000 reviews across G2, Trustpilot, Captera, Apple and Google.

Your experience at will be a career accelerator. At the forefront of the global work revolution, you'll tackle complex challenges that impact millions of people's working lives. With our momentumbacked by a $12 billion valuation and $800 million in Annual Recurring Revenue (ARR) in just over five yearsyou'll drive meaningful impact while building expertise that makes you a sought-after leader in the transformation of global work.

Get Ready To:
Collaborate in a Cross-Functional Team: Work closely with Frontend Engineers, Product Teams, Designers, and QA professionals to create seamless experiences.
Participate in Product Planning: From discovery to deployment, we value your input throughout all stages of the Software Development Lifecycle
Develop and Enhance Features: Collaborate to develop robust new features, APIs, and continuously improve our industry-leading products. Help find and fix bugs
Provide an Exceptional, Customer-Centric Experience: Ensure top-tier products and services through quality engineering and attentive, customer-focused development.

We are looking for a Senior Full Stack Engineer with a backend orientation who excels at solving complex challenges and is passionate about building robust and scalable systems. In this role, you will work closely with a talented team of developers, Product, Design, and Data Science to deliver innovative solutions that have a meaningful impact on users' lives.
As a senior engineer, you will focus on backend development while contributing to frontend implementation as needed. You will take full ownership of your projects, from concept to deployment, in a fast-paced and highly collaborative environment, while also mentoring team members and driving technical excellence.
Our Technology Stack:
Node.js, React Native, Redux, ReactJS, Scala, Play, Microservices, AWS, Docker, Kubernetes, MongoDB, Redis, PostgreSQL, Spark, Elasticsearch, Kafka, and more.
Responsibilities:
Backend Development: Design, implement, and maintain backend systems that process and analyze large-scale data.
Full Stack Contribution: Develop features end-to-end, integrating both frontend and backend functionality.
Build scalable, efficient, and secure backend services using Node.js and other technologies.
Collaborate with the Data Science team to integrate advanced algorithms into backend systems, driving data-driven products.
Partner with Product Managers and Experience Designers to brainstorm, strategize, and execute features and improvements.
Ensure architecture and systems are reliable, maintainable, and scalable for future growth.
Lead by example, mentoring junior engineers and contributing to code reviews.
Continuously evaluate and adopt cutting-edge technologies to improve system performance and engineering practices.

We are looking for a Backend Developer
As a Senior Backend Developer, you will play a vital role in building and developing our core infrastructure. You will be part of our fast-growing R&D team, contributing to the design and implementation of scalable platform services that directly impact the effectiveness of our cutting-edge product. This is an opportunity to drive technological and architectural changes in a collaborative, creative environment, influencing the future of AI technology for older adults.
Key Responsibilities:
Design and develop backend services and infrastructure in a cloud environment (AWS).
Serve as a technical focal point for software development best practices and design of key components, services, and systems.
Take full ownership and responsibility for multiple development projects.
Research new technologies, create prototypes, and develop them into production functionalities.
Contribute to server-side development using microservices architecture, applying the latest industry trends.

We are seeking an experienced Backend Developer with a minimum of 5-6 years of hands-on experience to join our development team. As a Backend Developer, you will be responsible for designing, developing, and maintaining robust solutions for our suite of products, as part of the team responsible for the heart of our technology stack. You will work with cutting-edge technologies, including Node.js, Nest.js, TypeScript, PostgreSQL, and AWS services.

Responsibilities:
Design, develop, and deploy scalable and high-performance backend solutions to support our web and mobile applications.
Write clean, maintainable, and well-documented code in TypeScript, following best practices and design patterns.
Implement and maintain database schemas, queries, and optimizations using PostgreSQL.
Perform code reviews, troubleshoot issues, and provide technical support to ensure the reliability and performance of backend systems.
Collaborate closely with the product team, FE developers, QA engineers, and other stakeholders to understand requirements and translate them into technical specifications and implementation plans.

We're looking for a Senior Backend Engineer to join our team!
A day in the life and how youll make an impact:
Each member of our team is an all-around player who influences the product from the overall experience to the development.
Youll be using top technologies like Typescript, Node.js, AWS and scalable databases to build a unique experience in the world of B2B payments.
You should be passionate about engineering and building a product end-to-end, through the design, coding, testing, and deployment phases.

revolutionizing maritime operations with cutting-edge computer vision, augmented reality, and autonomous technologies. Our mission is bold: make ocean shipping safer, more efficient, and significantly greener.
From real-time navigation assistance to AI-driven insights that reduce fuel consumption and prevent collisions, were building a future where ships sail smarter. Join our growing team and help shape the next generation of intelligent maritime systems used by leading fleets across the globe.

The Role
Were looking for a Software Engineer with a passion for solving tough technical challenges, working across the stack, and building systems that matter. This is your opportunity to work on an advanced, real-world product involving computer vision, edge computing, and scalable cloud architecture.

What Youll Do
Design and implement robust, scalable components across the software stack.
Take end-to-end ownership of complex featuresfrom concept to deployment.
Collaborate with product managers, system engineers, and AI researchers to build integrated solutions.
Contribute to a high-performance platform that combines real-time sensor data, video analytics, and cloud services.
Build and maintain CI/CD pipelines and automated test frameworks.
Lead with qualitywriting clean, testable code and applying TDD principles.
Mentor teammates, share knowledge, and help set best practices across the team.