Senior Software Engineer

Job Title:

Software Development Engineer II- Java

Responsibilities:

A typical SDE2 is expected to take up the following responsibilities:

● Work closely with Team Leads and Product Managers to gather requirements and estimate project timelines.

● Should be able to understand product specifications and come up with optimal scalable solutions.

● Should be aware of the Agile working model and follow JIRA hygiene

● Complete ownership of features worked upon should be able to perform RCAs and provide quick resolution of relevant issues/production bugs while training Tech Support Engineers to offload recurring chunks of work.

● Should be a full-time mentor for SDE1s and be able to assist all other SDE1s as and when required.

● Be part of the lateral hiring process and allocate fixed bandwidth for interviewing processes.

● Should strive to follow best coding practices throughout designing, development, and testing.

● Should have great communication skills over email and in-person discussions.

Requirements:

● Strong exposure to Java and Springboot

● Solid understanding of algorithms and data structures and basic APIs & database design

● Should have worked with MVC frameworks, web / client-based server architecture, and structured and unstructured databases.

● Ability to translate product spec to engineering actionable

● Ability to navigate and structure code bases

● Rudimentary skills around service hosting and infrastructure. Should understand the end-to-end deployment cycle

Ideal Candidate Persona:

● Education Background

○ B.Tech / Dual Degree with Computer Science as a major discipline, MCA.

○ Preferred to have graduated in CS or IT-related subjects.

● Worked as SDE for 2-4 years in startup / mid-tier product companies with a small team size (2-3 recent experiences even if the initial job is in service-based companies), preferably in the Fintech space

● Excellent internship record

● Executed on RCAs / challenging engg problems with an SDE III at work

● Won awards / Recognized by upper management for going above and beyond

● Has working experience with Linux. Any certification is good to have

● Open source/pet project contributions

● Active on GitHub / StackOverflow

● Published papers in A-level conferences like IEEE, ACM (optional)

Job Overview:

We are looking for a skilled Senior Backend Engineer to join our team. The ideal candidate will have a strong foundation in Java and Spring, with proven experience in building scalable microservices and backend systems. This role also requires familiarity with automation tools, Python development, and working knowledge of AI technologies.

Responsibilities:

• Design, develop, and maintain backend services and microservices.
• Build and integrate RESTful APIs across distributed systems.
• Ensure performance, scalability, and reliability of backend systems.
• Collaborate with cross-functional teams and participate in agile development.
• Deploy and maintain applications on AWS cloud infrastructure.
• Contribute to automation initiatives and AI/ML feature integration.
• Write clean, testable, and maintainable code following best practices.
• Participate in code reviews and technical discussions.

Required Skills:

• 4+ years of backend development experience.
• Strong proficiency in Java and Spring/Spring Boot frameworks.
• Solid understanding of microservices architecture.
• Experience with REST APIs, CI/CD, and debugging complex systems.
• Proficient in AWS services such as EC2, Lambda, S3.
• Strong analytical and problem-solving skills.
• Excellent communication in English (written and verbal).

Good to Have:

• Experience with automation tools like Workato or similar.
• Hands-on experience with Python development.
• Familiarity with AI/ML features or API integrations.
• Comfortable working with US-based teams (flexible hours).

Job Description

Roles and Responsibilities

· Design, Code, test, debug, implement and document complex WSO2 sequences.

· Monitoring and logging tool stacks - Splunk/ELK/Prometheus, Grafana 4 Design, Code, test, debug, implement and document complex WSO2 sequences.

· Perform Build activities for WSO2 ESB Middleware integration, involves writing XSLT, ESB coding, configuration, and Analysis activities.

· Trouble shooting various problems in different stages of development using logs files, Traces and Log Analyzer.

· Responsible for understanding the requirement, solution design, coordinate the development and testing activities (end to end)

· Guide the team regarding WSO2 platform best practices, framework, reusable artefacts and ensure code quality and timely deliverables.

· Work with functional and technical customers to determine solutions that drive additional business value.

· Work with Github, Azure Devops and CI tools to automate dev, build, deployment and testing.

· Good knowledge in messaging brokers: WSO2 Message Broker, Apache Kafka.

· Monitoring the server (Monitoring logs and WSO2 metrics).

· Desired Candidate Profile

Desired Candidate Profile

· Candidate must have minimum 2+ years of hands-on experience in WSO2, preferably with WSO2 certification.

· Extensive experience in Integration by using WSO2 Product Stack (API Manager 2.6/3.x, Enterprise Integrator 6.5 and Identity Server 5.7.0)

· Experience in Implementing APIs in WSO2 EI and On-boarding APIs into WSO2 API Manager

· Experience in WSO2 API Manager for designing API facades and designing and implementing API Proxies.

· Hands-on experience in designing and developing high volume web services using API Protocols and Data Formats (REST, JSON, SOAP & XML).

· Must have hands on experience / knowledge with CI tools to automate dev, build, deploy.

· Experience in programming languages: Java, JavaScript, Python

· Experience in on boarding web applications into WSO2 Identity Server for authentication and authorizatio

Qualifications

• Minimum of a Bachelor's or Master’s degree in Computer Science, or a related four-year degree.

• 4 years of hands on experience in Integration

Job Role: Optimization Engineer - C Programming

Experience: 3 to 8 Years

Location: Bangalore, Pune, Delhi

Were hiring an Optimization Engineer skilled in C Programming and Operations Research / Optimization to design and optimize algorithms solving complex business and engineering problems.

Key Responsibilities:

• Develop and maintain high-performance software using C.
• Build and implement optimization models (linear, integer, nonlinear).
• Collaborate with teams to deliver scalable, efficient solutions.
• Analyze and improve existing algorithms for performance and scalability.

Must-Have Skills:

• Expertise in C Programming and Operations Research / Optimization.
• Strong in data structures, algorithms, and memory management.
• Hands-on with tools like CPLEX, Gurobi, or COIN-OR.
• Python experience is an added advantage.

Preferred Skills:

• Knowledge of Python, C++, or Java.
• Familiarity with AMPL, GAMS, or solver APIs.
• Understanding of HPC, parallel computing, or multi-threading.

Java Developer – Job Description  

Wissen Technology is now hiring a 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 consultancy.  

Required Skills:  

• Exp. - 2 to 7 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 Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.  

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.  

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.  

Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.  

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.