Senior Backend Engineer - Java, Kotlin, Springboot, Node.JS
Astra North Infoteck Inc.
Senior Backend Engineer – Java, Kotlin, Spring Boot, Node.js
Experience Required: 6–8 Years
Job Description
Position Summary
We are seeking a highly skilled Senior Backend Engineer with strong expertise in modern backend development technologies and frameworks.
The ideal candidate will have extensive experience building scalable, secure, and highly available backend systems using Kotlin, Java, and cloud-native technologies.
This role requires a solid understanding of Agile and DevOps practices, CI/CD pipelines, microservices, and event-driven architectures.
Key Responsibilities
- Design, develop, and maintain scalable backend applications and services.
- Build and support microservices and event-driven architectures.
- Develop and integrate SOAP and REST APIs.
- Implement secure backend solutions using modern development frameworks.
- Collaborate with cross-functional teams in an Agile environment.
- Drive code quality through unit testing, BDD, and TDD practices.
- Participate in CI/CD implementation and automation initiatives.
- Explore emerging technologies and develop proof-of-concepts for product enhancements.
- Contribute to highly automated engineering platforms leveraging cloud-native services.
Required Skills & Qualifications
Technical Skills
- Strong proficiency in Kotlin.
- Experience with Java, including:
- Spring Boot
- Spring Security
- Spring Boot
- Experience with JavaScript (Node.js).
- 5+ years of backend development experience.
- Experience with:
- Unit Testing Frameworks (JUnit)
- Cucumber
- Behavior-Driven Development (BDD)
- Unit Testing Frameworks (JUnit)
- Hands-on experience with:
- SOAP APIs
- REST APIs
- Microservices Architecture
- Event-Driven Architecture
- SOAP APIs
- Experience with CI/CD tools, including:
- Jenkins Pipelines
- GitHub Actions
- Jenkins Pipelines
- Familiarity with Azure Kubernetes Service (AKS) and related cloud-native platform components.
Development Practices
- Strong understanding of Agile and DevOps methodologies.
- Experience with Test-Driven Development (TDD).
- Experience implementing Continuous Integration and automated delivery processes.
- Ability to work in fast-paced environments focused on rapid feature delivery.
Preferred Qualifications
- Exposure to open-source technologies and projects.
- Experience contributing to or utilizing open-source solutions.
- Passion for learning and evaluating new technologies.
- Experience building proof-of-concepts and integrating innovative solutions into products.
Essential Skills
- Advanced Java Concepts
- Kotlin
- Spring Boot
- Spring Security
- Node.js
- Microservices
- REST APIs
- SOAP APIs
- Event-Driven Architecture
- Jenkins
- GitHub Actions
- Azure Kubernetes Service (AKS)
- JUnit
- Cucumber
- BDD
- TDD
- Agile & DevOps
- ...Senior Full Stack Engineer – React/TypeScript, Node.js, Java Back-End, AKS Position Summary Seeking a Senior Full Stack Engineer to design, build, and support a cloud-native, microservices-based platform running on Azure Kubernetes Service (AKS). The role requires...Node.jsSeniorPermanent employment
$102.2k - $125k per year
...The Mass and Core Payment Technology Team is looking for a Senior IT Developer to contribute to the applications build from scratch... ...Application development activities. Hands-on experience with Java/Springboot applications. Actively contributing code and laying the foundation...SeniorLong term contractWork from home$85k - $95k per year
...FastAPI, so this role spans both our core Node.js/TypeScript serverless APIs and these Python-based LLM services. Agentic engineering, using AI coding agents, Model Context Protocol... ...: Design, develop, and deploy backend services and APIs using our AWS serverless...Node.jsPermanent employmentFull timeTemporary workRemote workFlexible hours$92k - $118k per year
...Build scalable backend applications and integrate AI-powered workflows into complex financial services environments. The Role At Capco, we’re looking for a Java Backend Engineer with practical experience building AI-powered applications, workflows, and automation solutions...SuggestedInternshipImmediate start$120k - $150k per year
...'more about the team We're looking for a Senior Backend Developer who will contribute to the Consumer... ...and developing the implicit profiling engine that learns from user behavior and... ...Expertise in Go (or proven proficiency in JVM/Kotlin, Java, or Ruby with a commitment to rapidly...SeniorKotlinFull timeWork at officeImmediate startRemote workWork from homeFlexible hours2 days per week3 days per week- ...We are hiring a Senior Backend Engineer for its Customer Focus Group (CFG) — a technical team that bridges engineering and the commercial side... ...microservices, API design, and design patterns (deep understanding) ~ Node.js / TypeScript proficiency (or other relevant backend...Node.jsSenior
$180k - $220k per year
...code reviews and contribute to continuous engineering improvement. Work with product... ...practices. Requirements ~6+ years of backend and server-side development experience.... .... ~ Strong experience with TypeScript, Node.js, Express, PostgreSQL, and MongoDB. ~ Strong...Node.jsSeniorFull timeWork at office$185k - $230k per year
...ingestion platform underneath it all. It is a mix of product and backend engineering, shaping the APIs and deeper backend components our customers... ...troubleshooting threads. Work day to day in TypeScript/Node.js to deploy services on AWS. What we're looking for A...Node.jsSeniorFull timeInternshipWork at officeFlexible hours$180k - $220k per year
...and innovative problem-solving. BitGo is looking for a Senior Software Engineer (Backend) to join our Mobile team and help us build the first-time user... ...analysis ~ Strong experience with of TypeScript, Node.js and Express ~ Strong experience with Node.js, TypeScript...Node.jsSeniorFull timeWork at officeWorldwide- ...our Blocks team as a Software Engineer and play a critical role in shaping... ...If you're passionate about backend engineering, solving complex... ...software with languages such as C#, Java, C++, Golang, Rust, Python or... ...to grow (no matter your seniority!). A fluent level in English...SeniorFull timeRemote work
$80k - $130k per year
...growing! Join Canada's largest IT Company as a 'Full Stack Java Developer', in our Financial Services Sector. This role... ...Spring Rest services, Micro services, OAUTH2.0, Angular JS (must have) , ReactJS , Springboot, Node JS, JavaScript , Swagger/Open API. b. DevOps Know how:...Node.jsSeniorFull timeWork at office3 days per week- ...We are looking for a Full Stack Engineer to design, develop, and support scalable... ...business processes. You will use Java and Spring Boot to develop scalable backend services, React with TypeScript to... ...create responsive user experiences, and Node.js where appropriate for supporting...Node.jsInternshipRemote workRelocation
- ...commercial clients. We are seeking a Senior API Developer to build the... ...proficiency in language like Java, and framework like Spring Boot... ...product managers, architects, engineers, and infrastructure teams to define... ...language (Java, Python, Go, or Node.js) Deep understanding of API...Node.jsSeniorInternshipFlexible hours
$140k - $180k per year
...Australia, and Japan. We are looking for a Senior Software Developer to be a part of the... ...of our systems. You will report to an Engineering manager in this role. What You’ll Do... ...strong track record of building and operating backend or platform systems in production. ~...Senior$92k - $118k per year
...Build scalable backend applications and integrate AI-powered workflows into complex financial... ...we're looking for a Backend Developer – Java/Python & AI with practical experience... ...on development role combines core backend engineering with the practical application of AI to...Full timeInternshipImmediate start- Build a better way to borrow Fig is a Canadian fintech making personal lending simpler, faster, and more accessible for Canadians. We offer fully digital personal loans, helping customers apply in minutes and receive decisions quickly, without paperwork, branch visits, or...SeniorFull time
$120k - $150k per year
...of the next-generation internal system with a planning engine that now automates the end-to-end planning process – a... ...capabilities, and preparing for expansion, we are looking for a Senior Software Engineer with strong backend experience, a talent for turning complex logic into...SeniorFull timeCasual workManual laborWork at officeRemote workWork from homeFlexible hours2 days per week3 days per week$167.55k - $209.44k per year
...canonical and ready to query, with no engineering or maintenance required. We’re... ...a Staff Software Engineer, Backend to join our Reverse ETL... ...model, UI and more. You’ll be a senior member of a distributed, collaborative... ...language such as C++, Kotlin, Scala, Go, Java, etc. Solid...SeniorKotlinFull timeInternshipWork at officeRemote workFlexible hours2 days per week- ...We are looking for a Full Stack Engineer to design, develop, and support scalable... ...business processes. You will use Java and Spring Boot to develop scalable backend services, React with TypeScript to... ...create responsive user experiences, and Node.js where appropriate for supporting...Node.jsInternshipRelocation
$166k - $195k per year
...with ethics at the center of everything we do. Expectations are high, and so are the rewards. As a Senior Software Engineer , you’ll architect, build, and scale the backend services, infrastructure, and data systems that support Robinhood’s next-generation crypto, web3,...SeniorLong term contractWork at officeWorldwideFlexible hoursShift workNight shiftWeekend work3 days per week$167.5k - $235k per year
...reliability, and scalability of our existing systems Promote engineering excellence through technical leadership, knowledge-sharing and mentorship... ...and secure How You Will Do Your Work As a Senior Software Engineer, how results are achieved is paramount for your...SeniorCasual workWork at officeLocal area- ...exceeds 25%. Job Description We are looking for a Senior Full Stack Developer to design, build and maintain both... ...secure and high-performing enterprise applications using Java, Spring Boot, React, Node.js, Python and SQL. This role suits a strong hands-on...Node.jsSeniorFull timeInternshipWork at officeRemote workRelocation2 days per week
- ...'ve got you covered. The Job at a Glance As a Principal Backend Engineer, you will design, architect, and optimize scalable microservices... ..., API design, and event-driven architectures, you'll leverage Node.js, TypeScript, Docker, Kubernetes, and serverless technologies...Node.jsFull timeContract work
$100k - $120k per year
...challenges, join us! We are a close-knit group of engineers of different stripes - developers,... ...technologies and programming languages (e.g., Go, Java) and a deep understanding of distributed... ...passion for guiding and developing junior/senior engineers while fostering a collaborative...SeniorFull timeCasual workManual laborWork at officeRemote workWork from homeFlexible hours3 days per week$90 - $100 per hour
...Senior AI Backend Engineer (Python/FastAPI, Agentic AI & LLM Applications) Job Type: Contract Contract Duration: 6 Months Pay Rate: CAD $90-100/hour (depending on experience and alignment) Location: Hybrid, 1 day onsite weekly, Downtown Toronto, ON Your New Company...SeniorContract workFor contractors$76.83k - $128.05k per year
...applications using Angular, React, or Vue.js . Build scalable APIs and microservices using .NET Core, Java Spring Boot, or Node.js . Conduct code reviews and drive coding... ..., JavaScript, HTML5, CSS3 . ~ Strong backend expertise: .NET Core, Java Spring Boot, or...Node.jsPermanent employmentFull timeLocal area- ...Join a high-impact engineering team building the distributed systems that power corporate actions and investment data processing. You will design, own, and evolve production-grade Java services where accuracy, scalability, and reliability are critical to real-world financial...SeniorLong term contract
- ...Kablamo is an impact-driven software engineering company (teamkablamo.com). We bring engineering... ...execution. You will construct performant backend APIs and services using scalable... ...testing tools Career Progression Senior Engineer Technical Lead Principal/Staff...SeniorPermanent employmentFull timeInternshipWork at officeFlexible hours
$136.7k - $182.3k per year
...their hand. Hapiko is a Spin Master company, so we pair a small, senior engineering team with the reach of one of the world's largest toy... ...a first-of-its-kind product and scaling it globally, and the backend has to stay fast, safe for kids and affordable as we grow. This...SeniorFull timeRemote workFlexible hours- ...costs in check. Two critical components for that are agent assist backend services and scalable authentication systems, tools, processes... ...facing integrations. We are looking for strong versatile backend engineers who want to work at the intersection of distributed systems,...SeniorLong term contractWork at officeLocal areaRemote workWork from homeHome office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Backend Engineer - Java, Kotlin, Springboot, Node.JS. Be the first to apply!
- backend developer Toronto, ON
- backend software developer Toronto, ON
- java developer no experience Toronto, ON
- développeur java Toronto, ON
- senior java developer Toronto, ON
- java developer remote Toronto, ON
- java software developer Toronto, ON
- junior java developer Toronto, ON
- entry level java developer Toronto, ON
- java developer Toronto, ON
