Java support engineer

Role & Responsibilities

As a Staff Engineer at Locus, you will play a critical role in defining and driving our backend architecture as we scale globally. You’ll own key systems that handle high volumes of data and transactions, ensuring performance, reliability, and maintainability across distributed environments.

Key Responsibilities-

• Own one or more core applications end-to-end, ensuring reliability, performance, and scalability.
• Lead the design, architecture, and development of complex, distributed systems, frameworks, and libraries aligned with Locus’s technical strategy.
• Drive engineering operational excellence by defining robust roadmaps for system reliability, observability, and performance improvements.
• Analyze and optimize existing systems for latency, throughput, and efficiency, ensuring they perform at scale.
• Collaborate cross-functionally with Product, Data, and Infrastructure teams to translate business requirements into technical deliverables.
• Mentor and guide engineers, fostering a culture of technical excellence, ownership, and continuous learning.
• Establish and uphold coding standards, conduct design and code reviews, and promote best practices across teams.
• Stay ahead of the curve on emerging technologies, frameworks, and patterns to strengthen Locus’s technology foundation.
• Contribute to hiring by identifying and attracting top-tier engineering talent.

Ideal Candidate

• Strong staff engineer profile
• Mandatory (Experience 1): Must have 9+ years in backend engineering with Java, Spring/Spring Boot, and microservices building large and schalable systems
• Mandatory (Experience 2): Must have been SDE-3 / Tech Lead / Lead SE for at least 2.5 years
• Mandatory (Tech skills 1): Strong in DSA, system design, design patterns, and problem-solving
• Mandatory (Tech skills 2): Proven experience building scalable, reliable, high-performance distributed systems
• Mandatory (Tech skills 3): Hands-on with SQL/NoSQL databases, REST/gRPC APIs, concurrency & async processing
• Mandatory (Tech skills 4): Experience in AWS/GCP, CI/CD pipelines, and observability/monitoring
• Mandatory (Communication): Excellent ability to explain complex technical concepts to varied stakeholders
• Mandatory (Company): Product companies (B2B SAAS preferred)
• Mandatory (Stability): Must have stayed for at least 2 years with each of the previous companies
• Mandatory (Education): B.Tech in computer science from Tier 1, Tier 2 colleges

Experience: 8-12 years

Location: Bangalore

Wissen Technology is now hiring for a Senior Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 8-12 years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

About Us:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.

Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. 

We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. 

Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results. 

Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Website : www.wissen.com 

Job Description:

• Proficient in software Design and development and familiar with technologies - Java, Java-J2EE, Spring Boot, Ajax, REST API, Micro services etc.
• Working knowledge of any SQL database (MySQL, Oracle etc)
• Working knowledge of No-SQL database (Mongo or Dynamo DB)
• Experience in unit testing using Junit or Mockito
• Experience in designing and architecting systems with high scalability and performance requirements.
• Ability to design infrastructure for performance evaluation and reporting of cloud-based services, namely AWS
• In depth knowledge of key AWS services like EC2, S3, Lambda, CloudWatch etc..
• Certification on AWS architecture desirable
• Excellent communication skills
• Ability to effectively articulate technical challenges and solutions
• Skilled in interfacing with internal and external technical resources
• Good in debugging problems and mentoring teams on technical front

Roles and Responsibilities:

• Participate and contribute in platform requirements/story development.
• Contribute to the design, coding for the requirements/stories and also participate in code and design reviews.
• Develop use cases and do unit test cases and execute them part of continuous integration pipeline.
• 
  

Position : Senior Java Backend Developer

Job Location: Navi Mumbai / Bangalore / Hyderabad / Pune

Job Description :

At least 5 years of professional experience in developing backend applications using Java

- Proficiency in using Spring Boot, Hibernate, RESTful APIs, microservices and other modern web technologies

- Experience in working with relational and non-relational databases such as MySQL, MongoDB, Redis etc.

- Exp on Azure Cloud.

- Experience in using DevOps tools such as Docker, Jenkins etc.

- Knowledge of GraphQL and how to use it with Java

- Knowledge of best practices and principles of software engineering such as SOLID, design patterns, code quality, testing etc.

- Familiarity with agile methodologies such as Scrum or Kanban

- Ability to work independently and as part of a team

- Excellent communication and problem-solving skills

Work as a member of a team responsible for developing a HIPAA compliant secure care coordination platform in accordance with established processes. You will apply your knowledge of building scalable, distributed applications and have the opportunity to work with new technologies & frameworks such as Spring Cloud Netflix, AWS, Azure, NoSQL DB.

Essential Functions include but are not limited to the following. 

You will be expected to:

• Contribute to all phases in the software lifecycle – requirements analysis, solution design, development, and deployment
• Maintain high quality standards for the work undertaken and be responsible for the quality of deliverables
• Ensure assigned projects are developed in accordance with established engineering processes, adhering to scope, schedule constraints and agile project plans
• Guide/mentor the less experienced team members
• Participate in code reviews
• Work effectively as part of a distributed team
• Document the features worked by him/her

Key technical expertise areas expected for this role:

Strong programming skills in Java 8(+) with clear understanding of Object-Oriented and Functional programming. 

• Experience on REST API Programming based on a Microservices Architecture
• Good Understanding of Databases (MySQL & Mongo) and proficiency in database schema designing & writing efficient SQL Queries 
• Strong troubleshooting skills
• Demonstrable ability to learn new programming languages and frameworks quickly
• Experience with distributed systems with specific focus on security and scalability
• Experience with modern cloud technologies such as AWS or Azure

Additional areas that would add value:

• Spring Cloud 
• Experience working with AES 256 based encryption algorithms
• Strong understanding of Design Patterns & their application in system design
• Using DevOps & Infrastructure tooling such as GoCD/Jenkins, Git
• Experience working on  projects, preferably in the healthcare domain
• Experience working with Virtualization and Containerization technologies including Docker, Kubernetes.
• Automated Unit/Integration testing
• Experience working with Linux and Shell scripting 
• Frontend web development with JavaScript frameworks like AngularJS
• Test Driven & Behavior Driven Development
• Experience working in Agile Scrum/Kanban methodologies

Education and Experience:

• Bachelors or Master’s in Computer Science or related fields.
• 5+ years of experience

About OneAssist
OneAssist is founded with a vision to provide a ubiquitous platform for assistance & protection services to customers.

A leader in Assistance and Protection products across Home Appliances, Personal Electronics, Physical and Mobile Wallets, OneAssist is a Technology-led organization. It has created a horizontal Assitance and Protection platform powered by Technology, Analytics and Data Science.

OneAssist wants to provide consumers the convenience of availing assistance and protection products through digital touch points- Mobile App, website, Voice and chat.

Founded in 2011, OneAssist has been well funded by Marquee investors, Sequoia Capital, Lightspeed Venture Partners, Assurant Solutions and Trifecta Capital with total cumulative funding of $33.2 Million. The latest Series C funding of &17.5 Million was raised in 2017.

Some of our significant partnerships are with Airtel, HDFC, HomeCredit, Pinelabs, InstaCash and more.

https://www.linkedin.com/company/oneassist-consumer-solutions/about/">https://www.linkedin.com/company/oneassist-consumer-solutions/about/
https://www.oneassist.in">https://www.oneassist.in

Job Description:

• Write maintainable/scalable/efficient code.
• Design and architect technical solutions for the developer community at OneAssist Work in a cross-functional team, collaborating with peers during the entire SDLC.
• Follow coding standards, code reviews etc. Follow scrum sprint cycles and commitment to deadlines.

Traits we are looking for in you: 3+ years experience developing large scale customer facing internet systems Strong problem-solving skills.

• Hands-on experience in coding capability in desired technology Solid experience in Java/J2EE frameworks such as Spring, Spring Boot, Spring Cloud, Hibernate.
• Strong Experience with Microservices, RESTful Web services, OOPs concepts.
• Nice to have knowledge of Docker, Kubernetes, Jenkins and CI/CD Knowledge
• Strong background in designing or extending existing test frameworks such as Junit Experience with version control systems such as Git. Good understanding of application security (authentication, authorization, web security etc.)