Embedded Software Engineer - Real-Time Operating Systems Developer

Nium develops infrastructure for real-time cross-border payments, serving banks, fintech firms, payroll providers, travel platforms, marketplaces, and other enterprises. The platform enables instant and secure money movement worldwide, offering payouts to accounts, wallets, and cards, as well as local collections in 35 markets and card issuance in 34 countries. Nium holds licenses in more than 40 markets. The company is headquartered in San Francisco and Singapore, with operations in 14 markets and team members in over 20 countries. Its network processes over $50 billion in transactions annually, reaching 190+ countries, supporting 100 currencies, and enabling 100 real-time corridors. In 2025, Nium achieved record revenue, transaction volumes, and EBITDA profitability, marking a significant milestone in its ten-year history. The company values simplicity, ongoing improvement, and collaboration. Team members in Mumbai follow a hybrid work model, spending three days per week in the office to support teamwork and innovation. With more than $300 million in funding, Nium continues to expand and invites those interested in shaping the future of global money movement at scale.

Nium develops infrastructure that powers global payments for banks, fintech firms, payroll providers, travel platforms, and marketplaces. The platform supports seamless money transfers for individuals and businesses, handling transactions in more than 190 countries and 100 currencies. Compliance and programmability are core to Nium’s technology. The company is headquartered in San Francisco and Singapore, with operations in 14 markets and team members based across 20+ countries. In Mumbai, the team follows a hybrid schedule, coming into the office three days each week to foster collaboration and innovation. Simplicity, ongoing improvement, and teamwork shape the workplace culture. What Nium delivers Processes over $50 billion in transactions each year Enables real-time payouts to accounts, wallets, and cards Supports local collections in 35 markets Facilitates card issuance in 34 countries Holds licenses in more than 40 markets In 2025, Nium achieved record revenue, transaction volume, and EBITDA profitability, marking its strongest year in a decade. With over $300 million raised, the company invites developers to help build the future of global payments at scale.

About the Role weekdayworks is looking for a Senior Backend Software Engineer in Mumbai. This position focuses on building and maintaining high-performance backend applications that can scale as the company grows. What You Will Do Design, develop, and maintain backend systems with a focus on efficiency and reliability Collaborate with teams across disciplines to deliver robust technical solutions Troubleshoot and debug backend applications to resolve issues quickly Participate in code reviews to help uphold quality and consistency throughout the codebase Work to ensure backend services deliver strong performance and responsiveness

Role Overview Weekday-1 is hiring a Senior Backend Software Engineer to join projects based in Mumbai, Maharashtra. This is a full-time position for engineers with at least 4 years of experience. What You Will Do Develop scalable, high-performance backend applications for real-time, event-driven systems. Shape architecture decisions and write production-ready code. Mentor junior engineers and support their technical growth. Work closely with other teams to deliver reliable and efficient backend solutions. Address complex backend challenges with a focus on system reliability, efficiency, and security. Requirements Minimum 4 years of experience in backend software engineering. Based in or willing to work from Mumbai, Maharashtra. Full-time availability.

Join our dynamic team at Finite HR Consulting as a Backend Developer! We are looking for a skilled professional who is passionate about developing scalable backend systems and has a knack for solving complex problems. You will work on exciting projects, collaborate with cross-functional teams, and contribute to our mission of providing exceptional HR solutions.

Location: Mumbai Role overview The Software Development Engineer in Test II plays a key part in quality assurance for enterprise applications at Boku Inc. The focus is on financial and backend systems, where reliability and accuracy are essential. This position involves designing and carrying out comprehensive testing strategies to ensure software meets high standards. What you will do Develop and maintain automation frameworks to streamline testing processes Design and execute detailed test plans for enterprise and financial applications Collaborate with teams across the organization to integrate quality practices into the development lifecycle Act as a quality advocate, sharing knowledge on QA processes and best practices Work to improve testing efficiency and uphold compliance with industry standards About Boku Inc. Boku Inc. (BOKU.L) delivers local mobile-first payment solutions for major brands including Amazon, DAZN, Meta, Google, Microsoft, Netflix, Sony, Spotify, and Tencent. The company’s network supports over 300 local payment methods in more than 70 countries, processing over $10 billion annually. Founded in 2008, Boku is headquartered in London and San Francisco, with staff in 39 countries such as Brazil, China, Estonia, Germany, Ireland, Japan, Singapore, and the UAE. Boku values diversity and is dedicated to maintaining an inclusive, equal opportunity workplace.

Join Finite HR Consulting as a skilled Backend Developer, where you will play a vital role in building robust server-side applications. You will work closely with cross-functional teams to develop and maintain high-quality software solutions that meet our clients' needs.

Antarctica is a pioneering climate technology firm based in Mumbai, dedicated to creating impactful software solutions for clients worldwide.Our flagship offering features the globe's most sophisticated observability ecosystem, delivering real-time insights into IT operations. This empowers organizations to optimize costs, minimize carbon footprints, and maintain regulatory compliance.We are on a mission to redefine how businesses approach digital transformation.We are in search of a Junior Backend Developer who is passionate about contributing to the future of IoT and technological advancements.This position operates under a hybrid model based in Mumbai. You will report to the Fullstack Lead and play a crucial role in developing our systems for scalability. Your collaboration will extend to Product Managers, Frontend & Backend Engineers, as well as Design & Technical teams, all aimed at crafting exceptional consumer experiences with intuitive and scalable UIs. Join a dynamic, transparent, and delivery-focused environment where client satisfaction is paramount.Key Responsibilities:Design and implement server-side applications using Node.js.Work closely with frontend developers to merge user-facing features with server-side functionality.Create scalable and high-performance RESTful APIs.Manage and optimize database connections for efficient data management.Apply security best practices to safeguard data and mitigate vulnerabilities.Conduct comprehensive testing and debugging of server applications.Monitor server performance and optimize for speed and efficiency.Uphold code quality through best practices, coding standards, and peer reviews.Collaborate with DevOps and other teams to deploy applications and resolve production issues.Stay abreast of industry trends and emerging technologies to enhance our backend solutions.

Join our dynamic team at Weblee Technologies as a Software Development Engineer. In this role, you will have the opportunity to work on exciting projects, develop innovative software solutions, and collaborate with talented professionals who are passionate about technology.Your main responsibilities will include designing, coding, testing, and maintaining software applications. We are looking for a problem solver who is eager to learn and grow in a fast-paced environment.

About Wahed:At Wahed, we are transforming the landscape of finance to make it inclusive for all. Our innovative fintech solutions empower individuals to manage their finances without compromising their ethical values. We are pioneering Shariah-compliant investment products, including equity ETFs and high-yield savings alternatives, designed to create a truly interest-free financial ecosystem.Job Brief:We are seeking passionate Backend Engineers to be part of our dynamic Engineering team. In this role, you will be instrumental in the design, development, and enhancement of our microservices architecture, primarily utilizing Golang. This position offers a unique chance to contribute to product innovations while enhancing our robust infrastructure. We value creativity and collaboration, so we are looking for self-driven individuals who thrive in a team-oriented environment and possess a keen eye for detail.

The Nielsen Company is looking for a Senior Software Engineer II with deep experience in Databricks to join the team in Mumbai. This position calls for more than 10 years in software engineering and data analytics, with a strong background in big data technologies and cloud computing. Role overview This role centers on designing and building data pipelines using Databricks. The engineer will work on optimizing data workflows and delivering reliable data solutions that support business decision-making. What you will do Design and implement scalable data pipelines Optimize data workflows for efficiency and reliability Deliver high-quality data solutions that enable business insights Requirements 10+ years of experience in software engineering and data analytics Strong expertise in Databricks and big data technologies Solid understanding of cloud computing platforms

Capco is looking for a Java Backend Developer to join the team in Mumbai, India. This position centers on building and maintaining backend systems that support client business needs. Role overview Work closely with colleagues from different disciplines to deliver backend software solutions. The focus is on designing, developing, and optimizing Java-based systems for performance and scalability. What you will do Design and implement backend components using Java Collaborate with cross-functional teams throughout the software development lifecycle Contribute to solutions that support business goals and growth Location This role is based in Mumbai, India.

Role overview The Senior Backend Engineer (Python) position at sia focuses on building and refining backend systems that power data science projects. The role emphasizes designing solutions with reliability and scalability in mind, using Python as the primary language. The work supports both internal teams and client-facing platforms. What you will do Design backend architectures for applications that rely on data Develop and maintain systems built with Python Collaborate with engineering, data science, and product teams to enhance the platform Support projects that bring value to sia’s clients Location This position is based in Mumbai.

We are seeking an experienced and innovative Senior Software Engineer with a strong background in Java development. The ideal candidate will be responsible for designing, implementing, and maintaining high-performance applications and systems. You will work closely with cross-functional teams to deliver robust solutions that meet the needs of our clients.

We are seeking a highly skilled Senior Software Engineer / Lead Software Engineer with over 5 years of experience to join our dynamic team in Mumbai. The ideal candidate must have solid hands-on coding expertise, with a strong focus on development projects rather than maintenance and support tasks.The successful applicant will be responsible for conducting detailed impact analyses and providing comprehensive case studies. You should possess the ability to estimate project timelines effectively and review estimations critically. Experience with Agile methodologies is essential, alongside a commitment to quality deliverables and effective change management.Core Frontend Skills Required:TypeScriptAngular 5+Ionic 3+HTMLCSS/SCSSCordovaAndroid DevelopmentiOS Development

Role overview weekday-1 is looking for a Backend Engineer based in Mumbai, Maharashtra. This role supports one of Weekday's clients and centers on building and maintaining reliable backend systems. The annual compensation for this position ranges from ₹1,500,000 to ₹2,800,000. What you will do Design, develop, and maintain backend services in Python, with a focus on FastAPI applications. Build efficient, scalable APIs and microservices. Work with HTTP protocols and WebSockets to support real-time and asynchronous features. Implement and manage task queues or message brokers for distributed processing. Plan for failure scenarios, including retries, circuit breakers, and graceful degradation, to keep systems reliable. Optimize performance, with attention to concurrency, scalability, and low latency. Collaborate with frontend engineers, DevOps, and product managers to deliver features and improvements. Write clean, well-documented, and testable code that aligns with best practices. Participate in code reviews and help maintain strong engineering standards. Requirements 3 to 4 years of experience in backend development. Strong Python skills. Hands-on experience with FastAPI (preferred) or similar modern Python frameworks. Solid understanding of HTTP protocols, RESTful API design, and WebSockets. Experience with asynchronous programming and concurrency models. Familiarity with distributed systems concepts, including service communication, scaling, and fault tolerance. Experience working with message queues such as RabbitMQ, Kafka, or similar tools. Strong problem-solving skills for troubleshooting complex production issues. Knowledge of databases (SQL or NoSQL) and data modeling. Preferred qualifications Experience with containerization tools like Docker. Exposure to cloud platforms such as AWS, GCP, or Azure. Understanding of CI/CD pipelines and deployment processes. Familiarity with monitoring and observability tools. What matters here weekday-1 values engineers who think beyond code, understand system behavior under load, and know how to manage failures effectively.

About Wahed:At Wahed, we are driven by a mission to combat financial inequality and exclusion through the development of world-class financial products and services that ensure access for everyone. As a New York headquartered Financial Technology (FinTech) company, we specialize in offering values-based (Shariah-compliant) digital financial services to retail clients worldwide, beginning with wealth management. Our dynamic global team is united by this purpose, and we invite innovative thinkers in their fields to elevate our customer delivery to new heights. You'll experience a digital-first and truly international culture, along with an exciting journey into the realms of FinTech and Islamic finance.Job Brief:We are on the lookout for Senior Backend Engineers to become a vital part of our team. In this role, you will be responsible for designing, building, and maintaining new microservices as well as enhancing our existing Golang services. You will have the chance to engage in product development and improve our infrastructure, while also exploring and implementing new technologies. Success in this position requires a collaborative spirit and a strong commitment to excellence. We seek self-motivated candidates who are keen to learn, can work effectively both independently and within a team, and possess meticulous attention to detail.

We are seeking a talented and experienced Lead Software Engineer with expertise in Angular and Java to join our dynamic team at NECSWS. In this role, you will lead the development of innovative software solutions, manage project timelines, and mentor junior developers. Your technical leadership will be crucial in driving our projects to success.

Join the dynamic team at Squircle IT Consulting Services Pvt Ltd as a Senior Software Developer in Mumbai. In this role, you will be responsible for designing, developing, and maintaining software applications that drive business success. You will work closely with cross-functional teams to deliver high-quality solutions and ensure optimal performance.