Senior backend Developer

Job Title: Tech Architect - Java Spring Boot

Company Name: Chella Software Private Limited

Company Website

https://www.chelsoft.com/

Company details

THE PARTNER OF CHOICE FOR FINANCIAL MARKETS

Our deep domain experience, ultra-high-performance software solutions, and on-time project delivery make us the preferred partner for the financial markets.

Over the last two decades, Chella Software has built deep domain experience in the financial markets and a capability for developing ultra-high-performance software that can handle very high volumes of data with the lowest levels of latency.

We are now preferred partners for a host of Central Banks, Stock Exchanges, Clearing Corporations, Brokerages, and Institutional Investors across 12 countries.

We are a global provider of fintech solutions for central banks, exchanges, central counter parties, and financial market intermediaries. We meet the software needs of customers in India, the Middle East, Africa, Singapore, and the USA.

Central Banks:

• Our portfolio of solutions for central banks includes:
• Chella Switch, a national payment and settlement system designed for central banks in frontier markets, and
• Chella Horizen, a robust, reliable and full coverage investment management and accounting platform for reserve management.

Exchanges and CCPs:

We are at the forefront of providing customized solutions for exchanges, CCPs, depositories, and other financial market infrastructure. Our high-speed, low-latency, high-volume, massively scalable systems are spread across the core areas of trading, surveillance, risk management, clearing, settlement, and compliance.

​Our teams have deep expertise in:

• Developing and implementing bespoke solutions on a build-operate-maintain model.
• Re-architecting and re-engineering core applications to address performance and scalability challenges.
• Migrating legacy systems to the latest technologies without disrupting operations.
• Defining and building digital experiences and journeys that facilitatethe addition of new investors to the market.

Brokerages:

Our solutions for brokerages include:

• Chella Trader, a multi-asset, multi-exchange, multi-currency, omni-channel order management system, and
• Chella Clearvision is a modular broker back office that helps scale a broker’s business with incremental investments.

Institutional Investors:

We meet the investment management needs of institutional investors through Chella IMS, a full coverage post-trade investment management and IFRS-compliant accounting platform for pension funds, insurance firms, and family offices.

Location: Madurai - Tamil Nadu

Mode of Working: Work Form Office (Interview shall be face to face at Madurai)

Days of Working: 5 Days a week

Responsibilities

Job Description:

• Tech Architect with expertise in Java Spring Boot to design and implement robust, scalable, and high-performance backend systems. As a Tech Architect, you will be responsible for shaping the technical direction of complex software projects and providing architectural guidance to engineering teams. 
• This role requires deep technical knowledge, leadership skills, and the ability to collaborate with various stakeholders to ensure the successful delivery of solutions that meet business and technical requirements. Experience in the Fintech domain is an added advantage.

Key Responsibilities:

1. Architectural Design & Strategy:

• Lead the architectural design and implementation of scalable, maintainable, and secure backend systems using Java, Spring Boot, and microservices architecture. 
• Define best practices for code quality, testing, security, and deployment processes. Drive the adoption of modern development methodologies (Agile, DevOps) and frameworks.

1. Technical Leadership:

• Provide mentorship and technical guidance to developers and engineers on coding standards, design patterns, and technologies.
• Ensure the architecture is aligned with business goals and technical constraints. Conduct code reviews and enforce best practices to maintain high-quality standards.

1. Collaboration:

• Work closely with Product Managers, Business Analysts, and other stakeholders to gather requirements and translate them into technical solutions. 
• Collaborate with cross-functional teams to define system requirements, integrate with third-party services, and ensure the overall system design is cohesive.

1. Problem Solving:

• Analyze and resolve complex technical challenges, such as performance bottlenecks, scalability issues, and system integrations.
• Evaluate and implement new technologies, tools, and frameworks to continually improve the development process.

1. Documentation & Reporting:

• Document architectural designs, technical specifications, and implementation guides.
• Provide regular updates on project progress, risks, and technical challenges to senior leadership.

1. Continuous Improvement:

• Stay up to date with emerging technologies, industry trends, and best practices.
• Recommend improvements to system architecture, processes, and technologies to enhance the software development lifecycle.

Interview process: Virtual and Face-to-Face

Skills:

Experience: 9-12 Years

Location: Madurai

Job Type: Full-time

Education: B.E(Any stream)/ B.Tech / M.E / M.Tech. or similar

Skills: Java, Spring Boot, and microservices architecture. 

Why Join Us?

• Opportunity to work on cutting-edge solutions for capital markets.
• This is a global role and, hence, will provide opportunities to work with organizations across the globe.
• Learn from experienced professionals and grow into a solution architect, product manager or sales role.
• Opportunity for rapid personal and professional growth.

ATGS official Email

anita at atgs.co.in

Strong Senior Backend Engineer profiles

Mandatory (Experience 1) – Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems

Mandatory (Experience 2) – Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).

Mandatory (Experience 3) – Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework

Mandatory (Experience 4) – Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization

Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices

Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)

Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D

Mandatory (Education) – Candidates from top engineering institutes (IITs, BITS, or equivalent Tier-1 colleges) are preferred

Backend – Software Development Engineer II

Experience: 4–7 years

Location: Bangalore

Work Mode - Hybrid

About Wekan Enterprise Solutions

Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.

Job Description

We are looking for passionate software engineers eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments. Interested in constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence. Do you have what it takes?

You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups. You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customer’s technical teams and MongoDB solutions Architects

What you will do

• Own backend features and migration workstreams end to end, from understanding the existing codebase and data model to delivering production-ready implementations.
• Build and enhance Java/Spring Boot services used in modernization, migration, and cloud transformation projects.
• Design and implement backend flows that are safe under retries and partial failures, with clear thinking around validation, transaction boundaries, idempotency, and downstream side effects.
• Work across application, database, and deployment layers to improve reliability, maintainability, and operational visibility.
• Model data based on access patterns and business workflows, with sound choices around schema design, indexing, and query performance.
• Investigate production issues using logs, request traces, database state, and service behavior; identify root causes and implement durable fixes.
• Collaborate with internal teams, customer engineering teams, architects, and stakeholders to deliver high-quality solutions on mission-critical projects.
• Write clean, modular, testable code and participate actively in sprint ceremonies, code reviews, design discussions, and release activities.

What we’re looking for

• 4–7 years of backend engineering experience, with strong hands-on delivery in Java-based systems.
• Solid experience with Java, Spring Boot, and microservice-style backend development.
• Demonstrated ownership of at least one meaningful backend service or feature area in production.
• Strong understanding of backend engineering fundamentals, including service reliability, data consistency, failure handling, and production-grade design considerations.
• Strong database fundamentals, including schema design, query writing, indexing, and performance reasoning.
• Strong depth in MongoDB or a relational database such as Oracle, with working comfort across both styles being a plus.
• Ability to investigate and resolve real production issues across services and databases, including consistency, performance, and reliability problems.
• Hands-on experience with testing frameworks such as JUnit and Mockito.
• Proficiency with Git, including branching, code review workflows, and conflict resolution.
• Strong communication skills and the ability to collaborate effectively with engineers, stakeholders, and customers.

Preferred qualifications

• Experience working on legacy modernization, data/service migrations, or decomposition of existing systems into cleaner service boundaries.
• Exposure to both MongoDB and relational databases, including query tuning, indexing, and production troubleshooting.
• Familiarity with Oracle PL/SQL or migration of logic from database-heavy systems into service-layer Java code.
• Exposure to CI/CD deployment and cloud environments like AWS, Azure, or GCP.

• 6+ years of experience in building web applications using ASP.net, web API, SQL Server, and Testable code.
• C# with Strong in OOPS,
• Hands on experience in React JS or Node JS,
•Experience of architecting and designing web applications and services
• Must have at least 1+ year experience using React or Node JS.
• Passion for building and delivering great software with a strong sense of ownership, while working closely with junior team members.
• Conceptual knowledge of middleware architecture.
• Strong experience with Agile processes.
• Exposure to tools to optimize web application performance-MH
• Understanding and experience of working with Product Management, Design and DevOps teams

• Experience in building applications on .NET Core, is a great plus
• Experience working with CRM Products 

• 3 - 6 Years of Experience in Product Development - Experience in Java (8 or 11+), Spring (4+), Spring Boot (2.4+) is a must.
• Understands requirements well and comes up with an efficient design
• Develops complex, well-backed and bug-free products.
• Estimates accurately.
• Takes well-reasoned tech decisions keeping in mind goals and trade-offs
• Become a go-to person in more than one area.
• Provide technical mentoring to team
• Communicates clearly, gets clarifications, and establishes expectations for all parties
• Helps establish SDLC best practices and high standards of code quality
• Demonstrates excellent problem solving & debugging skills
• Proactively identifies and resolves issues in requirements, design, and code

Ideal Candidate Profile :

• Solid experience in Java, Spring Boot, hibernate is a must.
• Solid experience in Java Multithreading, Streams, and Lambda Functions is a must.
• Solid understanding of Apache Products.
• Should have experience in cloud computing (AWS is desired).
• Has an ability to quickly learn and contribute in multiple codebases
• Overcomes roadblocks and requires minimal oversight
• Takes initiatives to fix issues/tech debts before assigned to him/her
• Able to deep dive into the codebase and advise QA of possible regression impact
• Communicates tech decisions through design docs and tech talks
• Has delivered projects with end-to-end accountability
• Keeps track of industry trends and introduces the right tech/tools for a given job
• Excellent understanding of software engineering practices, design patterns, data structures, algorithms
• Experience in product driven organization

1. Should be very strong Scala development(Coding)
2. With Any combination of Java/Python/Spark/Bigdata
3. 3+ years experience in Core Java/Scala with good understanding of multithreading
4. The candidate must be good with Computer Science fundamentals
5. Exposure to python/perl and Unix / K-Shell scripting
6. Code management tools such as Git/Perforce.
7. Experience with large batch-oriented systems 
8. DB2/Sybase or any RDBMS
9. Prior experience with financial products, particularly OTC Derivatives
10. Exposure to counterparty risk, margining, collateral or confirmation systems