Api Design

Api Design Engineer Jobs

2 jobs found

1mo ago

Software Engineer III

Computer Services, Inc. Remote 🌍 Remote

Remote

1mo ago Closed

Full time Backend Developer Api Design APIs

This position is no longer accepting applications (closed Sep 4, 2026).

Job Description

Computer Services, Inc. is seeking a senior Software Engineer III to help design, code, test, and debug scalable applications and services for the online banking domain. In this remote role, you will focus on backend development and complex third-party integrations, while also supporting and modernizing existing C++ systems as part of legacy-to-modern migrations.

Role Summary

You will take responsibility for building production-ready backend services using modern TypeScript and Node.js patterns, especially where integration design and interoperability are critical. The position also includes creating technical specifications for API contracts and modernization approaches for legacy C++ components, along with proactive troubleshooting and risk identification tied to third-party dependencies.

Responsibilities

Own development and rollout of entire products or large projects, with emphasis on backend services, C++ modernization, and complex third-party integrations.
Apply and enforce department coding standards and best practices, focusing on TypeScript, Node.js, API design, and secure integration patterns, while contributing to the modernization of legacy C++ systems.
Manage project delivery for integration-heavy initiatives and legacy-to-modern platform migrations.
Write technical specifications, including API contracts, integration patterns, and modernization approaches for legacy C++; identify project and programming risks related to third-party dependencies and system interoperability.
Promote processes and technologies such as Agile, CI/CD, and service-oriented architecture, and coach colleagues on backend development, integration practices, and modernization.
Demonstrate software engineering expertise across backend systems, integration frameworks, and emerging Node.js and TypeScript technologies, while helping evolve legacy C++ platforms.
Use TypeScript and Node.js effectively for backend technologies and support the ability to maintain and modernize existing C++ systems through practical familiarity.
Lead proactive investigation and problem-solving focused on integration design, system interoperability, and migration strategies for legacy platforms in online banking.
Provide coaching and mentorship to less experienced Software Engineers, especially for scalable service development and legacy-to-modern transitions.

Requirements

Accredited university, college, or trade school education and training in applicable technology; advanced degrees or relevant certifications preferred.
7+ years of successful, relevant software engineering experience, with strong emphasis on backend service development and complex system integrations.
Advanced proficiency with C++, and experience with TypeScript and Node.js including modern backend development patterns, scalable service design, and application performance considerations.
Experience designing, building, testing, debugging, and maintaining scalable applications and services in a production environment.
Experience with financial systems, core banking platforms, online banking ecosystems, APIs, or third-party vendor integrations strongly preferred.
Working familiarity with C++ codebases, including the ability to support, maintain, and contribute to modernization of legacy systems.
Experience with API design, API contracts, third-party integrations, vendor dependencies, and system interoperability.
Ability to work within complex sections of major applications, preferably within online banking, financial technology, or other highly integrated enterprise environments.
Experience contributing to legacy-to-modern platform migrations, service-oriented architectures, CI/CD practices, and Agile development environments.
Proven ability to take ownership of large projects or product rollouts and manage delivery across technical and cross-functional stakeholders.
Ability to coach, mentor, and support less experienced engineers in backend development, integration practices, and modernization strategies.

Technologies

TypeScript
Node.js
C++
API design
Agile
CI/CD
Service-oriented architecture

Benefits

Eligibility for incentive awards based on both individual and business performance
Comprehensive range of benefits
Competitive salary

Visa Sponsorship

Computer Services, Inc. is unable to offer visa sponsorship for this position. Applicants must be authorized to work in the United States without the need for sponsorship now or in the future.

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2mo ago

Senior Data Engineer (APIs for Data Platform)

DNS Solutions Inc. Remote 🌍 Remote

Remote

2mo ago Closed

$35 - $40/hr Full time Backend Developer Senior API

This position is no longer accepting applications (closed Jul 28, 2026).

Job Description

Senior Data Engineer – API within the Enterprise Data and Analytics team, designing and implementing scalable RESTful and GraphQL data APIs powering intelligent applications across the enterprise; 100% remote role with offshore candidates acceptable as long as you are open to working UK hours.

Responsibilities

Design, develop, and maintain RESTful and GraphQL APIs to support scalable, high-performance applications.
Collaborate with data engineers and developers to create seamless integrations between APIs, data pipelines, and web applications.
Build and maintain applications using frameworks like Java Spring Boot, Hibernate, Python FastAPI, and ReactJS.
Ensure system scalability, security, and reliability by implementing best practices in multi-threading, concurrency, and microservices architecture.
Drive architectural decisions to optimize performance across application, data, and infrastructure domains.
Develop and deploy solutions on Azure, utilizing tools like SQL Server, Redis, App Services, and API Management.
Create and maintain test automation frameworks to ensure data quality and service reliability.
Mentor junior engineers and foster a collaborative team environment.

Requirements

Bachelor’s degree in computer engineering, Computer Science or related discipline; Master’s Degree preferred.
7+ years of software development experience in Big Data.
7+ years of experience in modern programming languages - Java, Java-based frameworks (Spring, Maven), Python.
3+ years of web development experience using ReactJS, TypeScript.
3+ years of experience in application, data, and infrastructure architecture disciplines.
3+ years of experience with multi-threading, concurrency, and highly scalable Microservices and REST web services.
Ability to work collaboratively in teams and develop meaningful relationships to achieve common goals.
Extensive experience with message driven software patterns such as Service Bus, Kafka, Tibco, EMS, and MQ.

Technologies

Java
Spring Boot
Hibernate
Python
FastAPI
ReactJS
TypeScript
REST
GraphQL
Maven
SQL Server
Redis
App Services
API Management
Azure
Kafka
Service Bus
Tibco
EMS
MQ
JavaScript
PowerShell
shell scripting
Regex
AWS
GCP

Preferred Skills

Experience with other public cloud technologies including Azure, AWS, and GCP
Strong communication skills to effectively present complex technical solutions to business and technical stakeholders
Experience in scripting languages (e.g., JavaScript, PowerShell, shell scripting, Regex)
Experience building and supporting AI/ML software solutions
Prior experience in the Life Sciences industry or data analytics in a related domain
Knowledge of test automation tools to validate data accuracy and system reliability

Compensation

Pay: $35.00 - $40.00 per hour

Work Location

Remote

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Api Design Engineer Jobs

Software Engineer III

Senior Data Engineer (APIs for Data Platform)

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