Senior Software Engineer

Luxoft; New York (NY); On-site; USD 120,000 - 200,000; Full time

Job summary

Luxoft is seeking an experienced senior software engineer to lead backend services in our Calypso initiatives in New York. You will own architecture, drive production-grade Java/Spring solutions, and collaborate across squads.

The role focuses on modernizing platforms, building scalable integrations, and ensuring low-latency, high-availability systems for trading and operations in a fast-paced financial environment.

Qualifications

• BS in Computer Science, MIS, or related field.
• 5+ years production software engineering across multiple products.
• Advanced Java & Spring expertise with solid JVM knowledge.
• Extensive Spring ecosystem experience: Spring Boot, Spring Data, Spring MVC, Spring Security.
• Experience designing interfaces and integrations; RESTful APIs.
• Experience building decision support applications for operations/trading in finance.

Responsibilities

• Lead architecture & development of backend services, APIs, and integrations using Java/Spring.
• Modernize codebases toward cloud-ready architectures and reduce technical debt.
• Build cross-product integration layers connecting core platforms with vendor systems.
• Optimize performance, ensure high availability, and support high-throughput workloads.

Skills

Java

Spring

Architecture

Microservices

Kafka

SQL/DB

Cloud AWS

CI/CD

TDD/BDD

Leadership

Education

BS in Computer Science

Tools

Docker

Kubernetes

Tomcat/JBoss

GitLab/GitHub

Terraform

Job description

Project description

Luxoft has one of the world's leading Calypso practice. We are a top-tier Calypso Partner and a market leader in implementation, integration, upgrade, and migration. We provide end-to-end project services and have delivered Calypso projects across all major asset classes and sectors including investment banking, asset management, corporate treasury, and insurance. Implementation of Fixed Income Desk on existing Calypso instance. Compensation for NYC: 120000-200000 USD Gross per year based on your interview results. Salary for other locations dependent on experience and market standards

Responsibilities

• Architecture & Development Leadership. Design, architect, and deliver robust, production-grade backend services, APIs, and mid-tier integrations using Java and the Spring ecosystem. Take full technical ownership of business-critical services from architectural design through production deployment. Turn complex business requirements into scalable technical designs, making critical engineering trade-offs independently. Champion architectural patterns and best practices across multiple squads and products.


• Modernization & Technical Excellence. Evaluate and strategically re-engineer internal code bases to modern standards and cloud-ready architectures. Identify technical debt and lead refactoring initiatives without causing production downtime. Maintain code excellence through rigorous testing strategies, deep code reviews, and continuous improvement. Build systems for failover, disaster recovery, and maximum operational stability under heavy data loads.


• Cross-Product Integration & Collaboration. Build new features collaboratively across multiple products and domains within Markets Business. Design and implement secure, scalable integration layers connecting core platforms with third-party vendor systems and enterprise platforms. Deliver APIs, mid-tier integration, and backend functionality for trading, operations, and auction workflows. Work effectively with different squads, contributing across multiple development stacks and technologies.


• Performance & Scale. Optimize application performance, ensure high availability, and manage data consistency across distributed architectures. Build event-driven, low-latency systems capable of handling high-throughput transactional workloads. Design for scale, resilience, and operational excellence in production environments.

SKILLS

Must have

• BS in Computer Science, MIS, or similar technical field.


• 5+ years of production software engineering experience with demonstrable success across multiple products simultaneously.


• Advanced Java & Spring Expertise. Deep understanding of core Java (8-21), JVM internals, memory management, concurrency, and performance tuning.


• Extensive production experience with Spring ecosystem: Spring Boot, Spring Data, Spring MVC, Spring Security, Spring Core.


• Integration & System Design. Proven ability to design and implement interfaces and integrations incorporating established best practices. Strong experience designing integration layers, handling complex data translations, and API design (RESTful).


• Experience building decision support applications for operations and trading in the financial industry.


• Distributed Systems & Messaging. Proven track record building scalable microservices and event-driven architectures. Production experience with Kafka/Amazon MSK for streaming and messaging patterns.


• Data & Infrastructure. Strong experience with RDBMS (Oracle, PostgreSQL) including schema design, query optimization. Experience with middle-tier caching solutions (Redis, Elasticache). Production experience with App/Web servers (Tomcat, JBoss, etc.).


• Modern Engineering Practices. Knowledge and use of Agile methodologies (e.g., Scrum). Test-Driven Development AND Behavior Driven Development (TDD/BDD). Experience using Continuous Integration and Deployment tools (GitLab/GitHub, pipeline maintenance).


• Leadership & Autonomy. Demonstrated ability to take vague product requirements and independently design and deliver complete, secure technical solutions. Strong analytical and communication skills with ability to influence technical direction. Willingness to contribute and lead across multiple development stacks, areas, and technologies.


• Preferred Experience & Technologies. Transformation & Modernization. Proven track record of successfully refactoring and modernizing large-scale legacy code bases. Experience with middle/back office financial platforms (e.g., Calypso). Building and testing systems end-to-end with focus on zero-downtime deployments.


• Cloud & DevOps. Hands-on experience with AWS services: IAM, S3, CloudFront, Secrets Manager, EC2, ECS, ALB, RDS, Elasticache, MSK, AmazonMQ. Containerization & Orchestration: Docker, Kubernetes, ECS. Infrastructure as Code: Terraform. CI/CD pipeline design and maintenance.


• Additional Technologies. Testing frameworks: Playwright or similar E2E testing tools. High-throughput transactional systems in financial services. Query optimization and database performance tuning.

Nice to have

• Ability to work under pressure in a fast-paced environment is essential.


• Have a willingness to learn new skills.


• Must have attention to detail.


• Must have the ability to work independently and also as part of a group.


• Experience of Agile practices and processes (e.g. SCRUM, KANBAN).


• Any technical knowledge (Writing simple sql query, be able to read code).


• Conflict management ensuring collaborative outcomes.


• Excellent attention to detail and accuracy.

Our Engineering Culture

• Take ownership and drive technical initiatives to completion.


• Balance pragmatism with technical excellence.


• Communicate effectively across technical and business stakeholders.


• Continuously learn and adapt to new technologies.


• Mentor and elevate engineering practices across teams.


• Thrive in fast-paced, collaborative environments.