backend engineer nodejs

Job Summary: We are seeking a highly analytical and detailed oriented Backend Engineer Annotator to support the development, evaluation, and improvement of Artificial intelligence. As the Backend Engineer you will play a critical role in training AI modes by reviewing, annotating, validating, and improving backend engineering datasets, code samples, and...

About the Role Our client is looking for a highly experienced and motivated Senior Backend Engineer to join their fully remote engineering team. This role is critical in designing, developing, and maintaining scalable and robust server-side applications that power their core products. You will work collaboratively with a distributed team of engineers,...

Fragomen Global Development Lab in Johannesburg seeks a Backend Software Developer to design and maintain backend services for our web applications, with a .NET REST API and strong emphasis on cloud-native evolution with AWS.You will collaborate with a global team of developers, designers and business owners, refactoring solutions toward a cloud native...

My client is looking for Senior .NET Engineer – Backend Focused, based in Midrand, to join their team! Please note this role has a Hybrid work model (3 days in office per week).Requirements:• 5–7 years professional software development experience.• Strong backend experience with ASP.NET Core and C# (3+ years).• Front-end experience with React (2+...

3 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. At Lumenalta, we partner with global enterprises to build and scale high-impact digital products. Our engineering teams work on complex, production-grade systems that power real-world experiences for millions of users. What You’ll Do Design,...

A leading FinTech company is seeking a Software Engineer (Backend) to join their team in Cape Town. This role involves building cross-border payment solutions using Java and Spring Boot, collaborating with product teams, and enhancing the integration of fiat and crypto transactions. The ideal candidate has a strong background in backend development,...

Placements24 is seeking a Senior Backend Engineer to join the IT department in Rustenburg. You will design, build, and maintain cloud-native backend services and APIs, working closely with DevOps and product teams to deliver scalable solutions.Ideal candidates have 5+ years in backend development, proficiency in Java/Go/Python, and hands-on experience with...

Araxi Group is seeking an Intermediate Cryptography Engineer to design, implement and support secure cryptographic solutions for payment environments. You will work at the intersection of applied cryptography, payment security, HSM integration, and backend engineering.The ideal candidate has 2+ years in software or security roles, strong cryptography...

About the Role Our client is seeking a highly skilled Senior Backend Engineer with a strong background in microservices architecture to join their innovative team in Randburg. You will be instrumental in designing, developing, and maintaining robust, scalable, and high-performance backend services that form the backbone of their cutting-edge platforms. This...

projecty is seeking a Senior Backend Engineer (Healthtech) to own backend services in a cross-functional team. You will design secure, scalable APIs, handle healthcare data, and contribute to long-term technical direction using Domain-Driven Design and SOLID principles.The role requires 8+ years of backend experience with C#/.NET Core, ASP.NET, EF Core, and...

projecty is seeking a Senior Backend Engineer (Healthtech) to own backend services in a cross-functional team. You will design secure, scalable APIs, handle healthcare data, and contribute to long-term technical direction using Domain-Driven Design and SOLID principles.The role requires 8+ years of backend experience with C#/.NET Core, ASP.NET, EF Core, and...

projecty is seeking a Senior Backend Engineer (Healthtech) to own backend services in a cross-functional team. You will design secure, scalable APIs, handle healthcare data, and contribute to long-term technical direction using Domain-Driven Design and SOLID principles.The role requires 8+ years of backend experience with C#/.NET Core, ASP.NET, EF Core, and...

Here at FIXR we’re on a mission to be the number one ticketing and event intelligence platform globally. Ticket sales and event management can be a clunky, manual process, but our platform makes it easier than ever for event organisers to create seamless, user-friendly experiences for their customers. At the heart of the FIXR platform is our suite of data...

About us: BVNK is the stablecoin-powered financial stack for enterprises. We're now part of Mastercard, and together we're building a network for every form of money – one that delivers more reach, more capability and more choice. We enable businesses to build financial products, unlock new markets, and move money in seconds across 130+ countries, with...

Alignerr is seeking Back End Developers for a fully remote hourly contract to design, build, and optimize server-side systems and APIs powering AI products. You will work on data pipelines, model-serving infrastructure, and scalable microservices for real-world traffic. Join a distributed team across time zones, implement robust backend solutions, and...

About the Role Our client is looking for a highly skilled Senior Backend Engineer to join their technology team, based in Port Elizabeth. This role is central to the development of robust, scalable, and secure APIs that power their suite of digital products. You will be responsible for designing and implementing efficient server-side logic, managing...

About us BVNK is the stablecoin-powered financial stack for enterprises. We're now part of Mastercard, and together we're building a network for every form of money – one that delivers more reach, more capability and more choice. About us BVNK is the stablecoin-powered financial stack for enterprises. We're now part of Mastercard, and together we're...

About the Role Our client is seeking an experienced Senior Backend Engineer with a strong focus on API development to join their dynamic technology team. This role is crucial for designing, building, and maintaining scalable, high-performance APIs that serve as the backbone of our client's digital products. You will work in a collaborative, remote-first...

Company OverviewOperating between high-scale cloud technology and telecommunications, the company builds intelligent, multi-vendor RAN automation, cloud-native OSS, and SMO platforms deployed across Tier 1 global operators. Joining this team puts you at the core of continuous platform innovation, developing enterprise-grade systems that directly process...

Alignerr is seeking Back End Developers for a fully remote hourly contract to design, build, and optimize server-side systems and APIs powering AI products. You will work on data pipelines, model-serving infrastructure, and scalable microservices for real-world traffic.Join a distributed team across time zones, implement robust backend solutions, and...