Senior Staff Engineer- Java & Kotlin
Full-time
ApTask
We are seeking a Senior Java/Kotlin Engineer. The role involves upgrading legacy trading systems to event-driven, cloud-native architecture while ensuring high performance, data integrity, and stability in a live production environment.
Work Model: Hybrid (3 days/week on-site)
Tech Stack: Java & Kotlin (must-have)
Tech Stack: Java & Kotlin (must-have)
Key Responsibilities:
- Develop and modernize enterprise trading and post-trade systems using Java and Kotlin.
- Design event-driven applications using messaging and event-sourcing patterns.
- Implement Test-Driven Development (TDD), automated testing, and CI/CD practices.
- Modernize legacy systems while maintaining production stability and enabling zero-downtime releases.
- Collaborate with business stakeholders and engineering teams to deliver scalable solutions.
- Leverage AI-assisted development tools for code analysis, testing, and refactoring.
Required Qualifications:
- Strong Java expertise, with Kotlin experience or willingness to learn.
- Hands-on experience with event-driven architecture, messaging, and distributed systems.
- Strong TDD practices and experience with CI/CD and iterative delivery.
- Proven ability to modernize complex legacy systems and work independently in production environments.
- Bachelor's degree in Computer Science or a related field.
Preferred Skills:
- Experience in Prime Brokerage, Equity Swaps, or Cash Equities.
- Strong SQL Server, T-SQL, Kafka, and MongoDB skills.
- Familiarity with Kubernetes/OpenShift, cloud-native technologies, and monitoring tools such as OpenTelemetry, ELK, and Grafana.
- Knowledge of corporate actions, regulatory reporting, and risk/valuation systems.
- Experience using AI-assisted and agentic development tools.
Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Senior Staff Engineer- Java & Kotlin in Jersey City, NJ vacancy
$142.32k - $213.48k
...advantageous:AI-assisted development tooling (GitHub Copilot, Devin)Kotlin/JavaCloud Technologies (Kubernetes, Open Shift)Messaging... ...Grafana)The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new...SeniorKotlinFull timeShift work- ...ApTask is seeking a Senior Java/Kotlin Engineer to upgrade legacy trading systems to a cloud-native, event-driven architecture while ensuring high performance, data integrity, and stability in live environments. The role requires hands-on Java and Kotlin development...SeniorKotlin
$142.32k - $213.48k
...CitiThe Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new... ...core components for the Prime Brokerage platform using Java/Kotlin.Provide technical leadership to an agile team, mentoring developers...SeniorKotlinFull timeShift work$142.32k - $213.48k
...seeking a highly skilled and hands-on Senior Back-End Java Developer to join a back-office trading... ...solutions at the intersection of engineering excellence and financial technology transformation... ...hands-on coding proficiency in Kotlin, Java, and Python, with demonstrated...SeniorKotlinFull time- ...Senior Java Middleware / API Software Engineer (Bilingual Japanese/English) Jersey City, United States | Posted on 09/22/2026 Axiom Path is an AI-first... ...middleware and RESTful API applications using Java and Kotlin Partner with global stakeholders (Japanese and...SeniorKotlin
- ...Robotics Technologies LLC in Jersey City, NJ, is seeking a Senior Backend Engineer to design, develop, and operate cloud-native backend platforms... .... You will build cloud-native microservices using Kotlin, Spring Boot, Spring Cloud, and WebFlux, deploy AWS infrastructure...SeniorKotlin
- ...SFE in Jersey City, NJ seeks a Senior Backend Engineer with 10+ years of software experience. The role focuses on cloud-native backend platforms using Kotlin, Spring Boot, Spring Cloud, WebFlux, AWS, and Terraform. A hands-on engineer is expected to design, deploy,...SeniorKotlin
- ...Job Description Job Description Job Title: Senior Java Backend Engineer Location: Jersey City, NJ (Onsite) Duration: Contract Job Summary... ..., develop, deploy, and manage backend services using Kotlin, Spring Boot, Spring Cloud, WebFlux, AWS, and Terraform. This...SeniorKotlinContract work
$125k - $175k
...HybridSchedule: Full timePosted: 2026-10-09The RoleAs an Senior Software Engineering, you will serve as a senior technical owner and hands-on... ...with at least one modern, strongly typed language, such as Java, Kotlin, Scala, C#, Go, Rust, or TypeScript.Experience designing...SeniorKotlinFull timeContract work- ...seeking enthusiastic and skilled Entry - Mid‑Senior‑level iOS and Android developers with a... ...IT consultative services and quality engineer development, with Good years of... ...architectural patterns. Proficiency in Java and Kotlin (at least 1 year of experience). Published...SeniorKotlinFull timeContract workRelocationRelocation package
- ...Job Description Job Description Job Title: Senior Java Backend Engineer Location: Jersey City, NJ (Onsite) Duration: Contract Job Summary... ..., develop, deploy, and manage backend services using Kotlin, Spring Boot, Spring Cloud, WebFlux, AWS, and Terraform. This...SeniorKotlinContract work
- ...experience at work. As we build Aspect Intelligence , our next-generation cloud-native, AI-driven platform, we are looking for a Senior Staff Engineer to help architect and build scalable, resilient distributed systems. This is a hands-on technical leadership role —...Senior
- ...We are seeking a highly skilled Senior Backend Engineer with strong expertise in building and supporting cloud-native backend platforms. The... ...design, develop, deploy, and manage backend services using Kotlin, Spring Boot, Spring Cloud, WebFlux, AWS, and Terraform ....SeniorKotlinLocal area
- ...Job Description Job Description We are looking for a Senior Java/Kotlin Engineer to work with our client - Tier 1 investment bank on its Equity Accelerator program, a multi-year strategic initiative to modernize the Prime Finance Equities platform. The program is re...SeniorKotlinLocal areaShift work
- ...JPMorganChase in Jersey City seeks a Senior Lead Software Engineer to drive AI-enabled software development within the AI For Technology team. You will guide engineers and AI practitioners, design secure, scalable systems, and integrate AI/ML techniques into production...Senior
$140k - $170k
...company based in Jersey City is seeking an experienced full-stack engineer for a hybrid role. The successful candidate will focus on... ...issuance platform, leading design and development efforts using Java and microservices. The role offers a competitive salary range of...Senior- ...build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Commercial & Investment Bank,... ...mentoring experience Must have development experience in Java, Spring / SpringBoot Framework and Microservices...SeniorImmediate start
- ...build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Prime Finance Technology, you... ...testing, and operational stability Advanced knowledge in Java and Spring Boot Advanced knowledge in relational...SeniorFor contractors
- ...JPMorganChase is seeking a Lead Software Engineer in Credit Risk Technology to advance trusted, scalable technology products. You will contribute technically across multiple domains while guiding best practices in AI-assisted development and security. You will lead...Senior
- ...Title: Full Stack Software Engineer (Java/Kotlin, Angular) - Remote Duration: 12 Months with potential to extend and to convert to full-time Location: Remote Schedule: Monday–Friday, 8 AM–5 PM or 9 AM–6 PM PST Only W2 candidates are eligible for this...KotlinFull timeRemote workMonday to Friday
- ...Senior Lead Software Engineer - Java/Microservices/AWS/AIBe an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer - Java/Microservices/AWS/AI at JPMorganChase...SeniorFor contractors
- ...Senior Lead Software EngineerBe an integral part of an agile team that's constantly pushing... ...products. As a Senior Lead Software Engineer at JPMorganChase within Corporate & Investment... ...stabilityAdvanced knowledge in Java, microservices, Kafka, AWS cloud, Postgresql...SeniorFor contractors
- ...Senior Lead Software EngineerWe have an opportunity to impact your career and provide an... ...what's possible.As a Senior Lead Software Engineer at JPMorganChase within the Commercial &... ...testing, and operational stabilityStrong core Java experience with clear understanding of...Senior
- ...and maintain Android applications using Kotlin and related technologies.Collaborate with... ...backend services in collaboration with backend engineers.Troubleshoot, debug, and resolve... ...Qualifications:Strong proficiency in Kotlin and Java programming.In-depth understanding of...SeniorKotlin
- ...build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Corporate Sector- Liquidity Risk... ...Advanced in one or more programming language including Java and/or Python Strong Big-Data and database skills including...SeniorFor contractors
- ...Are you a Flutter engineer who loves building fast, polished mobile apps for real users... ...hybrid not available) ️ The Role As a Senior Flutter Developer, you will be a key... ...APIs and sockets. ⭐ Nice to Have Kotlin, Java, or Swift experience. Familiarity...SeniorKotlinFull timeWork at officeRemote work
- Lead Java DeveloperJob#: 3057885Job Description:Lead Java Developer - e TradingLocation... ...responsible for defining and leading the engineering approach for complex features to deliver... ...JDK-based languages (such as Java, Scala, Kotlin, or Clojure). Competency in Python is required...Kotlin
- ...Exciting Opportunity! We are currently looking for an Sr. Software Engineer (Java) for the location Jersey City, NJ.. This is a 6 months Right to hire Job and Please find the job descriptions below. Note: " Applicants must be authorized to work for any employer...SeniorWork visa
- ...as an experienced member of our software engineering team.As an experienced software engineer... ...operational excellence. Experience with Kotlin is valued; the service is progressively adopting... ..., so a willingness to work across both Java and Kotlin is important.Job...Kotlin
$142.32k - $213.48k
...execution, prime, clearing and cross‑product margining. We are re‑engineering our technology estate to achieve world‑leading performance and... ...trading infrastructure, utilizing modern, high-performance Java and microservices architecture.Take a leading role in the design...SeniorFull time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Staff Engineer- Java & Kotlin. Be the first to apply!
Related searches
- staff engineer Jersey City, NJ
- senior staff systems engineer Jersey City, NJ
- assistant engineer Jersey City, NJ
- technology administrator Jersey City, NJ
- engineering aide Jersey City, NJ
- java angular developer Jersey City, NJ
- java developer remote part time Jersey City, NJ
- java developer remote Jersey City, NJ
- java cloud developer Jersey City, NJ
- java spring developer Jersey City, NJ



